:root {
  --bg: #0A0B0E;
  --ink: #f5f5f5;
  --muted: #9AA0A8;
  --orange: #F7931E;
  --orange-ink: #140c00;
  --line: rgba(255, 255, 255, 0.08);
  --card: #1B1D22;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: Manrope, sans-serif; }
body { min-height: 100dvh; overflow-x: hidden; }
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: 0.35;
  background-image:
    linear-gradient(rgba(255,122,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,122,0,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 20%, #000 20%, transparent 70%);
}
.glow {
  position: fixed; inset: -10% auto auto 30%; width: 70vw; height: 70vw; pointer-events: none;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.18), transparent 62%);
  filter: blur(10px); z-index: 0;
}
.nav, main, footer { position: relative; z-index: 1; width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.nav {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 0 8px;
}
.logo img { height: 42px; width: auto; display: block; object-fit: contain; }
.nav-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.nav-actions a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14px; }
.nav-actions .pill {
  background: var(--orange); color: var(--orange-ink); padding: 8px 14px; border-radius: 999px;
}
.hero {
  min-height: min(88dvh, 860px); display: grid; align-content: center; gap: 14px; padding: 36px 0 24px;
}
.hero-mark { width: min(280px, 72vw); display: block; margin-bottom: 4px; }
.eyebrow {
  margin: 0; color: var(--orange); font-size: 12px; letter-spacing: 0.16em; font-weight: 700;
}
.hero h1 {
  margin: 0; max-width: 16ch; font-size: clamp(30px, 5.4vw, 52px); line-height: 1.08; font-weight: 800;
}
.lead {
  margin: 0; max-width: 44ch; color: var(--muted); font-size: 17px; line-height: 1.5;
}
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px;
  border-radius: 14px; background: var(--orange); color: var(--orange-ink); text-decoration: none; font-weight: 700;
}
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.hero-visual {
  margin-top: 10px; border-radius: 24px; overflow: hidden;
  background: linear-gradient(180deg, #151515, #0d0d0d);
  border: 1px solid var(--line); padding: 18px;
}
.hero-visual img { width: min(420px, 100%); display: block; margin: 0 auto; object-fit: contain; }
.pros, .prices, .download, .calc, .contacts { padding: 56px 0 12px; }
.pros h2, .prices h2, .download h2, .calc h2, .contacts h2 { margin: 0 0 10px; font-size: 28px; }
.sub { margin: 0 0 22px; color: var(--muted); }
.pros ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.pros li {
  display: grid; gap: 6px; padding: 18px; border-radius: 18px;
  background: linear-gradient(180deg, #1B1D22, #14161a); border: 1px solid var(--line);
  justify-items: start;
}
.pros li img { width: 48px; height: 48px; object-fit: contain; margin-bottom: 4px; }
.pros strong { font-size: 16px; }
.pros span { color: var(--muted); font-size: 14px; }
.calc-box {
  display: grid; gap: 14px; max-width: 480px; padding: 20px; border-radius: 20px;
  background: var(--card); border: 1px solid var(--line);
}
.calc-box label { display: grid; gap: 8px; color: var(--muted); font-size: 13px; font-weight: 600; }
.calc-box select, .calc-box input[type="number"] {
  width: 100%; border: 1px solid var(--line); background: #1b1b1b; color: var(--ink);
  border-radius: 12px; padding: 12px 14px; font: 600 16px Manrope, sans-serif;
}
.calc-box .check { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 14px; }
.calc-out {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 8px; border-top: 1px solid var(--line);
}
.calc-out strong { color: var(--orange); font-size: 28px; font-weight: 800; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grid article {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 16px;
  display: grid; gap: 6px; justify-items: start;
}
.grid img { width: 100%; height: 110px; object-fit: contain; }
.grid h3 { margin: 0; font-size: 18px; }
.grid p, .grid small { margin: 0; color: var(--muted); font-size: 13px; }
.grid b { color: var(--orange); font-size: 22px; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.contact-grid a {
  display: grid; gap: 6px; padding: 18px; border-radius: 18px; text-decoration: none; color: inherit;
  background: linear-gradient(180deg, #171717, #111); border: 1px solid var(--line);
}
.contact-grid strong { color: var(--orange); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
.contact-grid span { font-size: 16px; font-weight: 600; }
.download { padding-bottom: 40px; }
footer {
  display: flex; gap: 14px; align-items: center; padding: 28px 0 40px; color: var(--muted);
}
footer img { width: 48px; height: 48px; border-radius: 12px; }
footer strong { display: block; color: var(--ink); }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes sheen { from { background-position: 0% 50%; } to { background-position: 100% 50%; } }
@keyframes pulse-soft { 0%, 100% { box-shadow: 0 10px 30px rgba(247, 147, 30, 0.22); } 50% { box-shadow: 0 14px 36px rgba(247, 147, 30, 0.38); } }
.hero > * { animation: rise 0.75s ease both; }
.hero > *:nth-child(2) { animation-delay: 0.05s; }
.hero > *:nth-child(3) { animation-delay: 0.1s; }
.hero > *:nth-child(4) { animation-delay: 0.15s; }
.hero > *:nth-child(5) { animation-delay: 0.2s; }
.hero-visual img { animation: floaty 5.5s ease-in-out infinite; }
.btn {
  background: linear-gradient(120deg, #ff9a33, #F7931E 40%, #ffb14d);
  background-size: 200% 200%;
  animation: sheen 4s linear infinite, pulse-soft 3.2s ease-in-out infinite;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 30px rgba(247, 147, 30, 0.25);
}
.btn:hover { transform: translateY(-1px); }
.btn.ghost {
  background: transparent; animation: none; box-shadow: none; color: var(--ink); border: 1px solid var(--line);
}
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.on { opacity: 1; transform: none; }
.calc-box, .grid article, .contact-grid a, .pros li {
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.calc-box:hover, .grid article:hover, .contact-grid a:hover, .pros li:hover {
  border-color: rgba(247, 147, 30, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.28);
}
@media (max-width: 860px) {
  .pros ul, .grid, .contact-grid { grid-template-columns: 1fr; }
  .nav-actions a:not(.pill) { display: none; }
}
.city-links {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px;
}
.city-links a {
  text-decoration: none; color: var(--ink); font-weight: 600; font-size: 14px;
  padding: 10px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.city-links a.on, .city-links a:hover {
  border-color: rgba(247,147,30,0.55); color: var(--orange);
}