/* ==========================================================================
   KurskPC Lab — Solid Minimalist Tech Theme
   Clean White Base · Solid Lime & Sky Blue Accents · No Gradients · No Emojis
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Fira+Code:wght@500;600&display=swap');

:root {
  /* Solid Backgrounds */
  --bg-body: #f8fafc;
  --bg-section: #f1f5f9;
  --bg-card: #ffffff;
  --bg-subtle: #f8fafc;

  /* Solid Typography */
  --text: #334155;
  --text-dim: #64748b;
  --text-muted: #94a3b8;
  --text-bright: #0f172a;

  /* Solid Accent Colors */
  --lime: #84cc16;
  --lime-hover: #65a30d;
  --lime-dark: #3f6212;
  --lime-light: #f7fee7;
  --lime-border: #d9f99d;

  --blue: #0284c7;
  --blue-hover: #0369a1;
  --blue-dark: #075985;
  --blue-light: #f0f9ff;
  --blue-border: #bae6fd;

  /* System Colors */
  --green: #16a34a;
  --green-light: #f0fdf4;
  --green-border: #bbf7d0;

  --red: #dc2626;
  --red-light: #fef2f2;
  --red-border: #fecaca;

  --amber: #d97706;

  /* Clean Borders & Radii */
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;

  /* Modern Flat / Soft Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
  --shadow-card-hover: 0 12px 24px -4px rgba(15, 23, 42, 0.08);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'Fira Code', monospace;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background-color: var(--bg-body);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.wrap {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}
.wrap-full {
  max-width: 100% !important;
  padding: 0 clamp(20px, 4vw, 64px) !important;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: .95rem;
  padding: 12px 22px; border-radius: var(--radius-sm);
  border: none; transition: background-color .15s ease, border-color .15s ease, transform .15s ease;
  text-align: center; white-space: nowrap;
}
.btn svg { flex-shrink: 0; }

.btn-lime {
  background: var(--lime); color: #0f172a;
  font-weight: 700;
}
.btn-lime:hover { background: var(--lime-hover); color: #0f172a; }

.btn-outline {
  background: #ffffff; color: var(--text-bright);
  border: 1px solid var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

.btn-tg { background: #229ed9; color: #ffffff; }
.btn-tg:hover { background: #1b8ec3; transform: translateY(-2px); }

.btn-vk { background: #0077ff; color: #ffffff; }
.btn-vk:hover { background: #0063db; transform: translateY(-2px); }

.btn-sm { padding: 8px 14px; font-size: .85rem; border-radius: var(--radius-sm); }
/* ---- Section Scaffolding ---- */
.section { padding: 72px 0; }
.section-alt {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head { text-align: center; margin-bottom: 44px; }
.section-tag {
  display: inline-block;
  font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--lime-dark);
  background: var(--lime-light);
  border: 1px solid var(--lime-border);
  padding: 4px 12px; border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.section-title { font-size: 2rem; font-weight: 800; color: var(--text-bright); line-height: 1.25; margin-bottom: 10px; }
.section-sub { font-size: 1.05rem; color: var(--text-dim); max-width: 620px; margin: 0 auto; }

/* ==== Header ==== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  transition: padding .2s ease, box-shadow .2s ease;
}
.header.scrolled { padding: 10px 0; box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05); }
.header-inner { display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}
.logo-titles { display: flex; flex-direction: column; }
.logo-text { font-size: 1.15rem; font-weight: 800; color: var(--text-bright); }
.logo-text span { color: var(--blue); }
.logo-sub { font-size: .7rem; color: var(--text-muted); display: block; font-weight: 500; }

.nav { display: flex; align-items: center; gap: 24px; }
.nav a { font-size: .92rem; font-weight: 600; color: var(--text-dim); transition: color .15s; }
.nav a:hover { color: var(--blue); }

.header-right { display: flex; align-items: center; gap: 14px; }
.header-phone {
  font-family: var(--font);
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-bright);
  white-space: nowrap;
  transition: color .15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.header-phone:hover { color: var(--blue); }
.online-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--lime);
  display: inline-block;
  animation: pulse-dot 2s infinite ease-in-out;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(0.85); }
}
.online-label { font-size: .8rem; color: var(--lime-dark); font-weight: 700; display: flex; align-items: center; gap: 6px; }
.header-call-btn { display: none; }

.burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 0;
  position: relative;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  transition: all .2s ease;
  z-index: 101;
}
.burger:hover {
  background: #ffffff;
  border-color: var(--blue);
}
.burger-line {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--text-bright);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.burger[aria-expanded="true"] .burger-line:first-child {
  transform: translateY(3.5px) rotate(45deg);
}
.burger[aria-expanded="true"] .burger-line:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
  z-index: 98;
}
.nav-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* ==== Hero ==== */
.hero { padding: 60px 0 76px; }
.hero-grid { width: 100%; text-align: left; }
.hero h1 { font-size: 2.7rem; font-weight: 800; line-height: 1.18; color: var(--text-bright); margin-bottom: 16px; letter-spacing: -0.5px; }
.hero-desc { font-size: 1.15rem; color: var(--text-dim); margin-bottom: 30px; line-height: 1.6; max-width: 820px; }

.props { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 32px; }
.prop {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 14px 16px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: border-color .15s, transform .15s;
}
.prop:hover { border-color: var(--blue); transform: translateY(-2px); }
.prop-icon {
  width: 32px; height: 32px; border-radius: 6px;
  background: var(--blue-light); color: var(--blue);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.prop b { display: block; font-size: .88rem; color: var(--text-bright); font-weight: 700; }
.prop span { font-size: .78rem; color: var(--text-dim); }

.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* ==== Comparison ==== */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cmp-card { border-radius: var(--radius); padding: 30px 26px; }
.cmp-bad {
  background: var(--red-light);
  border: 1px solid var(--red-border);
}
.cmp-good {
  background: var(--lime-light);
  border: 1px solid var(--lime-border);
}
.cmp-head { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.cmp-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: grid; place-items: center; font-weight: 800; font-size: 1rem;
}
.cmp-bad .cmp-icon { background: #fee2e2; color: var(--red); }
.cmp-good .cmp-icon { background: var(--lime); color: #0f172a; }
.cmp-h { font-size: 1.18rem; font-weight: 800; }
.cmp-bad .cmp-h { color: #991b1b; }
.cmp-good .cmp-h { color: #365314; }
.cmp-list { display: flex; flex-direction: column; gap: 16px; }
.cmp-item { display: flex; gap: 10px; font-size: .92rem; line-height: 1.5; }
.cmp-item b { display: block; margin-bottom: 2px; font-weight: 700; }
.cmp-bad .cmp-item b { color: #991b1b; }
.cmp-bad .cmp-item p { color: #7f1d1d; }
.cmp-good .cmp-item b { color: #1e293b; }
.cmp-good .cmp-item p { color: #3f6212; }
.cmp-bullet { font-weight: 800; font-size: .95rem; flex-shrink: 0; }
.cmp-bad .cmp-bullet { color: var(--red); }
.cmp-good .cmp-bullet { color: var(--lime-dark); }

/* ==== Price Cards ==== */
.price-cat-title {
  font-size: 1.25rem; font-weight: 800; color: var(--text-bright);
  margin: 44px 0 18px; padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}
.price-cat-title:first-of-type { margin-top: 0; }

.price-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 18px; }
.price-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.price-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-card-hover);
}
.pc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.pc-code {
  font-family: var(--mono); font-size: .74rem; font-weight: 600;
  color: var(--blue); background: var(--blue-light);
  padding: 3px 8px; border-radius: 4px;
  border: 1px solid var(--blue-border);
}
.pc-badge {
  font-size: .68rem; font-weight: 700; text-transform: uppercase;
  color: var(--lime-dark); background: var(--lime-light);
  border: 1px solid var(--lime-border);
  padding: 3px 8px; border-radius: var(--radius-pill);
}
.pc-price { font-size: 1.25rem; font-weight: 800; color: var(--text-bright); }
.pc-name { font-size: 1.05rem; font-weight: 700; color: var(--text-bright); margin-bottom: 8px; line-height: 1.35; }
.pc-desc { font-size: .87rem; color: var(--text-dim); line-height: 1.5; margin-bottom: 16px; flex-grow: 1; }
.pc-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  padding: 10px 12px; background: var(--bg-subtle); border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: .8rem;
}
.pc-meta dt { color: var(--text-muted); font-weight: 500; }
.pc-meta dd { color: var(--text-bright); text-align: right; font-weight: 600; }

/* ==== Materials ==== */
.mat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease;
}
.mat-card:hover { border-color: var(--blue); }
.mat-num {
  font-family: var(--mono); font-size: .8rem; font-weight: 700;
  color: var(--blue); background: var(--blue-light); border: 1px solid var(--blue-border);
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  margin-bottom: 14px;
}
.mat-h { font-size: 1.15rem; font-weight: 800; color: var(--text-bright); margin-bottom: 6px; }
.mat-brand {
  display: inline-block; font-family: var(--mono); font-size: .78rem; font-weight: 600;
  color: var(--blue-dark); background: var(--blue-light);
  border: 1px solid var(--blue-border);
  padding: 3px 10px; border-radius: 4px; margin-bottom: 14px;
}
.mat-card:first-child .mat-brand {
  color: var(--lime-dark); background: var(--lime-light);
  border-color: var(--lime-border);
}
.mat-card p { font-size: .88rem; color: var(--text-dim); line-height: 1.55; }

/* ==== Workflow ==== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 18px;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease;
}
.step-card:hover { border-color: var(--blue); }
.step-n {
  font-family: var(--mono); font-size: 1.6rem; font-weight: 800;
  color: var(--blue); margin-bottom: 10px;
}
.step-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-bright); margin-bottom: 8px; }
.step-card p { font-size: .86rem; color: var(--text-dim); line-height: 1.5; }

/* ==== Master ==== */
.master-grid { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: center; }
.master-card-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.master-avatar {
  width: 88px; height: 88px; border-radius: 20px;
  background: #ffffff;
  overflow: hidden;
  margin: 0 auto 16px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.master-avatar-img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.master-name-text { font-size: 1.35rem; font-weight: 800; color: var(--text-bright); margin-bottom: 4px; }
.master-role-text { font-size: .86rem; color: var(--text-dim); margin-bottom: 12px; }
.master-status-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-weight: 700; color: var(--lime-dark);
  background: var(--lime-light); border: 1px solid var(--lime-border);
  padding: 4px 12px; border-radius: var(--radius-pill); margin-bottom: 10px;
}
.master-sub-text { font-size: .78rem; color: var(--text-muted); font-weight: 500; }
.master-quote {
  font-size: 1.1rem; font-style: italic; color: #1e293b;
  border-left: 3px solid var(--lime);
  background: var(--lime-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 16px 0 22px; line-height: 1.6;
}
.master-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 26px; }
.m-stat {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px; text-align: center;
  box-shadow: var(--shadow-sm);
}
.m-stat strong { display: block; font-size: 1.35rem; font-weight: 800; color: var(--blue); }
.m-stat span { font-size: .76rem; color: var(--text-dim); }

/* ==== FAQ ==== */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease;
}
.faq-item.open { border-color: var(--blue); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; cursor: pointer;
  font-weight: 700; font-size: .98rem; color: var(--text-bright);
  user-select: none;
}
.faq-q:hover { color: var(--blue); }
.faq-chevron {
  color: var(--blue); transition: transform .2s ease; font-size: .75rem; flex-shrink: 0;
}
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .25s ease, padding .25s ease;
  padding: 0 20px; font-size: .92rem; color: var(--text-dim); line-height: 1.6;
}
.faq-item.open .faq-a { max-height: 320px; padding: 0 20px 16px; }

/* ==== Footer ==== */
.footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 56px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-brand p { font-size: .9rem; color: var(--text-dim); margin: 14px 0 18px; line-height: 1.6; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: .75rem; color: var(--text-dim);
  background: var(--bg-subtle); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: var(--radius-pill);
}
.footer h3, .footer h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-bright); margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .9rem; color: var(--text-dim); transition: color .15s; }
.footer-links a:hover { color: var(--blue); }

.footer-contacts-sub {
  font-size: .86rem; color: var(--text-dim); margin-bottom: 14px;
}
.footer-contact-cards {
  display: flex; flex-direction: column; gap: 10px;
}
.footer-contact-link {
  display: flex; align-items: center; gap: 12px;
  background: #ffffff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 14px;
  transition: all .2s ease;
  box-shadow: var(--shadow-sm);
}
.footer-contact-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.footer-contact-link.f-tg:hover { border-color: #229ed9; background: #f0f9ff; }
.footer-contact-link.f-vk:hover { border-color: #0077ff; background: #f0f7ff; }
.footer-contact-link.f-phone:hover { border-color: var(--blue); background: var(--blue-light); }

.f-contact-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: grid; place-items: center; flex-shrink: 0;
}
.f-tg .f-contact-icon { background: #f0f9ff; color: #229ed9; }
.f-vk .f-contact-icon { background: #f0f7ff; color: #0077ff; }
.f-phone .f-contact-icon { background: var(--blue-light); color: var(--blue); }

.f-contact-meta { display: flex; flex-direction: column; }
.f-contact-name {
  font-size: .74rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--text-dim);
}
.f-contact-handle {
  font-size: .95rem; font-weight: 700; color: var(--text-bright);
}

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 22px; border-top: 1px solid var(--border);
  font-size: .8rem; color: var(--text-muted);
}

/* ==== Responsive ==== */
@media(max-width: 1024px) {
  .props { grid-template-columns: repeat(2, 1fr); }
  .mat-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .master-grid { grid-template-columns: 1fr; text-align: center; }
  .master-card-badge { max-width: 320px; margin: 0 auto; }
  .master-quote { border-left: none; border-top: 3px solid var(--lime); padding: 14px 16px; border-radius: var(--radius-sm); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media(max-width: 768px) {
  .section-title { font-size: 1.65rem; }
  .hero h1 { font-size: 1.85rem; }

  /* Compact Mobile Header — ONLY logo icon and burger button */
  .header {
    padding: 7px 0 !important;
    transition: transform .3s ease, padding .2s ease, box-shadow .2s ease;
  }
  .header.scrolled {
    padding: 7px 0 !important;
  }
  .header.header-hidden {
    transform: translateY(-100%);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .header .logo {
    gap: 0;
  }
  .header .logo-icon {
    width: 50px;
    height: 50px;
    border-radius: 6px;
  }
  .header .logo-titles {
    display: none !important;
  }
  .header-right {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .header-right .online-label,
  .header-right .header-phone,
  .header-right .btn {
    display: none !important;
  }
  .header-call-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 36px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    color: var(--text-bright);
    font-size: .84rem;
    font-weight: 600;
    text-decoration: none;
    transition: all .15s ease;
  }
  .header-call-btn:hover, .header-call-btn:active {
    background: #ffffff;
    border-color: var(--blue);
    color: var(--blue);
  }
  .header-call-btn svg {
    flex-shrink: 0;
    color: inherit;
  }
  .burger {
    display: flex;
    width: 36px;
    height: 36px;
  }

  /* Modern Mobile Navigation Sheet */
  .nav {
    position: fixed;
    top: 68px;
    right: 14px;
    left: 14px;
    width: auto;
    height: auto;
    max-height: calc(100vh - 80px);
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    flex-direction: column;
    padding: 16px 14px;
    gap: 6px;
    transform: translateY(-16px) scale(0.97);
    opacity: 0;
    pointer-events: none;
    transition: all .25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
    box-shadow: 0 16px 36px -4px rgba(15, 23, 42, 0.16);
  }
  .nav.open {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
  }
  .nav a {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-bright);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    transition: background-color .15s ease, color .15s ease;
    display: block;
  }
  .nav a:hover, .nav a:active {
    background-color: var(--blue-light);
    color: var(--blue);
  }

  .props { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .master-stats { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; width: 100%; }
  .hero-btns .btn { width: 100%; justify-content: center; }

  /* Compact Interactive Mobile Price List */
  .price-cat-title {
    font-size: 1.05rem;
    margin: 26px 0 10px;
    padding-bottom: 6px;
  }
  .price-cat-title:first-of-type {
    margin-top: 0;
  }
  .price-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .price-card {
    display: flex;
    flex-direction: column;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: background-color .15s ease, border-color .15s ease, box-shadow .15s ease;
  }
  .price-card:active {
    background-color: var(--blue-light);
  }
  .price-card.open {
    border-color: var(--blue);
    background: #ffffff;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.08);
  }
  .pc-name {
    order: 1;
    font-size: 0.96rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 6px;
    line-height: 1.35;
    width: 100%;
  }
  .pc-top {
    order: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    margin-bottom: 0;
  }
  .pc-top > div {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    min-width: 0;
  }
  .pc-code {
    font-size: 0.72rem;
    padding: 2px 6px;
  }
  .pc-badge {
    font-size: 0.68rem;
    padding: 2px 6px;
  }
  .pc-price {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--blue);
    white-space: nowrap;
    flex-shrink: 0;
    text-align: right;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
  }
  .pc-price::after {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    transition: transform .2s ease, border-color .2s ease;
    margin-top: -3px;
    flex-shrink: 0;
  }
  .price-card.open .pc-price::after {
    transform: rotate(-135deg);
    margin-top: 3px;
    border-color: var(--blue);
  }
  .pc-desc {
    order: 3;
    display: none;
    font-size: 0.86rem;
    color: var(--text-dim);
    line-height: 1.5;
    margin: 10px 0 8px;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
  }
  .pc-meta {
    order: 4;
    display: none;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 8px 10px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    margin-top: 4px;
  }
  .pc-meta dd {
    text-align: left;
  }
  .price-card.open .pc-desc {
    display: block;
    animation: pcFadeIn .2s ease;
  }
  .price-card.open .pc-meta {
    display: grid;
    animation: pcFadeIn .2s ease;
  }
  @keyframes pcFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media(max-width: 480px) {
  .hero h1 { font-size: 1.65rem; }
  .hero-desc { font-size: 1rem; }
  .section { padding: 48px 0; }
  .wrap { padding: 0 16px; }
  .wrap-full { padding: 0 16px !important; }
}

@media(max-width: 360px) {
  .header-call-btn span { display: none; }
  .header-call-btn { width: 36px; padding: 0; }
}

/* ==== FHD, 2K, 4K: пропорциональное увеличение интерфейса (110%+) ==== */
@media (min-width: 1440px) {
  html {
    font-size: 17px; /* ~106% масштаб */
  }
  .wrap {
    max-width: 1220px;
    padding: 0 24px;
  }
  .header-inner {
    padding: 2px 0;
  }
}

@media (min-width: 1920px) {
  html {
    font-size: 17.6px; /* ровно 110% от базовых 16px */
  }
  .wrap {
    max-width: 1280px;
    padding: 0 28px;
  }
  .hero {
    padding: 68px 0 88px;
  }
  .header {
    padding: 18px 0;
  }
  .footer {
    padding: 64px 0 28px;
  }
}

@media (min-width: 2560px) {
  html {
    font-size: 20px; /* 125% для 2K / 4K */
  }
  .wrap {
    max-width: 1440px;
    padding: 0 32px;
  }
}