:root {
  --navy: #1b1659;
  --accent: #4134b5;
  --lavender: #ebecfe;
  --lavender-button: #e9eafe;
  --lavender-line: #d2d4fe;
  --blue-muted: #7074c2;
  --royal: #12129f;
  --deep: #0b092d;
  --deep-2: #1b1360;
  --white: #fff;
  --ink: #1b1659;
  --muted: rgba(27, 22, 89, 0.7);
  --subtle: #7074c2;
  --bg: #fff;
  --panel: #fff;
  --soft: #ebecfe;
  --line: #d2d4fe;
  --line-strong: #7074c2;
  --radius: 24px;
  --container: 1180px;
  --shadow: 0 28px 80px rgba(27, 22, 89, 0.14);
  --font-body: Inter, sans-serif;
  --font-display: "Bebas Neue", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 2%, rgba(65, 52, 181, 0.075), transparent 30rem),
    radial-gradient(circle at 3% 27%, rgba(27, 22, 89, 0.045), transparent 29rem),
    var(--bg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, video, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(235, 236, 254, 0.9);
  backdrop-filter: blur(18px);
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(235, 236, 254, 0.97);
  box-shadow: 0 12px 35px rgba(27, 22, 89, 0.07);
}

.nav-shell {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand-logo { width: 170px; height: auto; background: transparent; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.main-nav a:not(.button) {
  position: relative;
  padding: 10px 9px;
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease;
}

.main-nav a:not(.button)::after {
  position: absolute;
  right: 9px;
  bottom: 4px;
  left: 9px;
  height: 2px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after,
.main-nav a.active::after { transform: scaleX(1); }

.main-nav a:not(.button).active {
  color: var(--navy);
  background: var(--lavender-button);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--navy);
  background: var(--lavender-button);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  width: 18px;
  height: 1.5px;
  border-radius: 1px;
  background: currentColor;
  content: "";
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle span { margin-block: 4px; }
.menu-open .menu-toggle::before { transform: translateY(5.5px) rotate(45deg); }
.menu-open .menu-toggle span { opacity: 0; }
.menu-open .menu-toggle::after { transform: translateY(-5.5px) rotate(-45deg); }

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 780;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }

.button:focus-visible,
.menu-toggle:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(65, 52, 181, 0.42);
  outline-offset: 3px;
}

.button-primary {
  color: var(--white);
  background: linear-gradient(90deg, var(--accent), var(--royal));
  box-shadow: 0 16px 38px rgba(65, 52, 181, 0.22);
}

.button-primary:hover {
  background: var(--navy);
  box-shadow: 0 20px 44px rgba(27, 22, 89, 0.22);
}

.button-small { min-height: 42px; padding-inline: 17px; font-size: 13px; }

.hero-actions .button-primary {
  color: var(--accent);
  background: var(--lavender-button);
  box-shadow: 0 16px 38px rgba(65, 52, 181, 0.13);
}

.hero-actions .button-primary:hover {
  color: var(--white);
  background: var(--accent);
}

.hero { position: relative; overflow: hidden; padding: 78px 0 0; }

.hero::before {
  position: absolute;
  top: -190px;
  left: 58%;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(65, 52, 181, 0.08);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.04fr) minmax(390px, 0.96fr);
  gap: clamp(42px, 7vw, 90px);
  min-height: 570px;
  padding-bottom: 76px;
}

.eyebrow {
  margin: 0 0 19px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.prop-main h2,
.moscow-content h2,
.contact-copy h2 {
  font-family: var(--font-body);
  font-weight: 800;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(52px, 6.2vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.065em;
}

.gradient-text { color: var(--accent); }

.hero-lead {
  max-width: 690px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-media { position: relative; min-width: 0; }

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border: 9px solid var(--white);
  border-radius: 34px;
  background: linear-gradient(180deg, var(--deep), var(--deep-2));
  box-shadow: var(--shadow);
}

.media-frame::before,
.media-frame::after {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  content: "";
}

.media-frame::before {
  background: linear-gradient(140deg, rgba(27, 22, 89, 0.2), rgba(65, 52, 181, 0.32));
  mix-blend-mode: color;
}

.media-frame::after {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 25px;
  box-shadow: inset 0 0 70px rgba(27, 22, 89, 0.3);
}

.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.15) brightness(0.82);
}

.float-card {
  position: absolute;
  z-index: 3;
  right: -22px;
  bottom: 30px;
  display: grid;
  max-width: 255px;
  gap: 4px;
  padding: 17px 19px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 16px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 50px rgba(27, 22, 89, 0.16);
}

.float-card small {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.float-card strong { font-size: 15px; line-height: 1.25; }

.market-strip {
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  background: linear-gradient(180deg, var(--deep), var(--deep-2));
}

.market-track {
  display: flex;
  width: max-content;
  animation: ticker 34s linear infinite;
}

.market-track span {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 15px 25px;
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.market-track span::after {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

@keyframes ticker { to { transform: translateX(-50%); } }

.section { padding: 108px 0; }

.section-soft {
  border-block: 1px solid var(--line);
  background: var(--soft);
}

.section-heading {
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.46fr);
  gap: 60px;
  margin-bottom: 48px;
}

.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(40px, 5vw, 66px);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.section-heading p,
.contact-copy > p { margin: 0; color: var(--muted); font-size: 17px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.stat-card {
  position: relative;
  overflow: hidden;
  min-height: 174px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(145deg, var(--white), var(--lavender));
  box-shadow: 0 16px 40px rgba(27, 22, 89, 0.06);
}

.stat-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: var(--accent);
  content: "";
}

.stat-value {
  display: block;
  margin-bottom: 17px;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: clamp(43px, 5vw, 66px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.015em;
}

.stat-value em { color: var(--accent); font-style: normal; }
.stat-card p { margin: 0; color: var(--muted); font-size: 14px; }
.source-note { margin: 18px 0 0; color: var(--subtle); font-size: 12px; }

.source-note a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(65, 52, 181, 0.32);
  text-underline-offset: 3px;
}

.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }

.benefit-card {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.benefit-card:hover {
  transform: translateY(-5px);
  border-color: rgba(65, 52, 181, 0.35);
  box-shadow: 0 20px 48px rgba(27, 22, 89, 0.1);
}

.benefit-card::after {
  position: absolute;
  top: -120px;
  right: -120px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(65, 52, 181, 0.09), transparent 68%);
  content: "";
}

.card-index {
  display: flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  margin-bottom: 43px;
  border: 1px solid rgba(65, 52, 181, 0.18);
  border-radius: 14px;
  color: var(--accent);
  background: var(--lavender-button);
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.05em;
}

.benefit-card h3 { margin: 0 0 12px; font-size: 23px; line-height: 1.12; letter-spacing: -0.035em; }
.benefit-card p { margin: 0; color: var(--muted); font-size: 15px; }

.prop-grid {
  display: grid;
  align-items: stretch;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: 18px;
}

.prop-main,
.prop-aside { border: 1px solid var(--line); border-radius: 30px; }

.prop-main {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5vw, 60px);
  color: var(--white);
  background:
    radial-gradient(circle at 94% 4%, rgba(65, 52, 181, 0.36), transparent 42%),
    linear-gradient(180deg, var(--deep), var(--deep-2));
  box-shadow: 0 28px 70px rgba(27, 22, 89, 0.2);
}

.prop-main .eyebrow { color: var(--accent); }

.prop-main h2 {
  max-width: 670px;
  margin: 0 0 25px;
  font-size: clamp(40px, 5.4vw, 70px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.prop-main > p { max-width: 660px; margin: 0; color: rgba(255, 255, 255, 0.72); font-size: 18px; }
.prop-equation { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 52px; }

.equation-part {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
  font-size: 13px;
  font-weight: 720;
}

.equation-sign { color: var(--accent); font-weight: 800; }

.prop-aside {
  display: grid;
  align-content: center;
  padding: 18px 34px;
  background: var(--white);
  box-shadow: 0 20px 55px rgba(27, 22, 89, 0.07);
}

.fact-line {
  display: grid;
  grid-template-columns: 15px 1fr;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.fact-line:last-child { border-bottom: 0; }

.fact-line i {
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(65, 52, 181, 0.32);
}

.fact-line strong { display: block; margin-bottom: 4px; font-size: 17px; }
.fact-line p { margin: 0; color: var(--muted); font-size: 14px; }

.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.step-card {
  min-height: 222px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 14px 38px rgba(27, 22, 89, 0.055);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(65, 52, 181, 0.3);
  box-shadow: 0 20px 48px rgba(27, 22, 89, 0.09);
}

.step-number {
  display: flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border: 1px solid rgba(65, 52, 181, 0.18);
  border-radius: 18px;
  color: var(--accent);
  background: var(--lavender-button);
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.05em;
}

.step-card h3 {
  max-width: 310px;
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.moscow-card {
  display: grid;
  overflow: hidden;
  grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
  min-height: 610px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(180deg, var(--deep), var(--deep-2));
  box-shadow: 0 30px 80px rgba(27, 22, 89, 0.17);
}

.moscow-content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(36px, 6vw, 72px);
  color: var(--white);
}

.moscow-content h2 {
  margin: 0 0 22px;
  font-size: clamp(42px, 5.5vw, 70px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.moscow-content > p { max-width: 585px; margin: 0; color: rgba(255, 255, 255, 0.7); font-size: 18px; }
.moscow-points { display: flex; flex-wrap: wrap; gap: 9px; margin: 25px 0; }

.moscow-points span {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.83);
  background: rgba(255, 255, 255, 0.055);
  font-size: 12px;
  font-weight: 670;
}

.office-meta {
  display: grid;
  width: 100%;
  gap: 0;
  margin-bottom: 29px;
  border-block: 1px solid rgba(255, 255, 255, 0.13);
}

.office-item {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.office-item:last-child { border-bottom: 0; }

.office-label {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.office-item address,
.office-item a { color: var(--white); font-size: 15px; font-style: normal; font-weight: 670; }
.office-item a:hover { color: var(--accent); }
.moscow-content .button-primary:hover { color: var(--navy); background: var(--white); }

.map-frame { position: relative; min-height: 610px; padding: 17px; background: var(--white); }

.map-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 576px;
  border: 0;
  border-radius: 22px;
  filter: grayscale(1) contrast(1.03);
}

.map-label {
  position: absolute;
  z-index: 2;
  top: 34px;
  left: 34px;
  display: grid;
  gap: 2px;
  padding: 13px 16px 13px 19px;
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 35px rgba(27, 22, 89, 0.15);
  pointer-events: none;
}

.map-label span {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.map-label strong { font-size: 15px; }

.contact-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.8fr) minmax(460px, 1.2fr);
  gap: clamp(55px, 8vw, 105px);
}

.contact-copy { position: sticky; top: 118px; }
.contact-copy h2 { margin-bottom: 24px; }
.contact-meta { display: grid; gap: 12px; margin-top: 34px; }

.contact-meta a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--navy);
  background: var(--white);
  font-size: 14px;
  font-weight: 680;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.contact-meta a:hover { transform: translateX(3px); border-color: rgba(65, 52, 181, 0.38); color: var(--accent); }
.contact-meta a span:last-child { color: var(--accent); }

.lead-form {
  padding: clamp(28px, 4.5vw, 46px);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 25px 65px rgba(27, 22, 89, 0.1);
}

.form-title { margin: 0 0 8px; font-size: 24px; letter-spacing: -0.035em; }
.form-intro { margin: 0 0 28px; color: var(--muted); font-size: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: grid; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field label, .field > span { color: var(--navy); font-size: 14px; font-weight: 720; }

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--ink);
  background: rgba(27, 22, 89, 0.028);
  outline: 0;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.field input,
.field select { height: 52px; padding: 0 15px; }

.field input::placeholder,
.field textarea::placeholder { color: rgba(27, 22, 89, 0.43); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(65, 52, 181, 0.65);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(65, 52, 181, 0.07);
}

.field select option { color: var(--ink); background: var(--white); }

.checkbox {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  grid-column: 1 / -1;
  color: var(--subtle);
  font-size: 12px;
  cursor: pointer;
}

.checkbox input { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--accent); }
.form-trap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
.form-error {
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(161, 27, 53, 0.22);
  border-radius: 12px;
  color: #8e1931;
  background: rgba(161, 27, 53, 0.055);
  font-size: 13px;
}
.lead-form button:disabled { cursor: wait; opacity: 0.64; transform: none; }
.form-footer { display: flex; align-items: center; gap: 16px; margin-top: 25px; }
.form-footer .button { flex: 1 1 auto; }
.form-hint { max-width: 180px; margin: 0; color: var(--subtle); font-size: 11px; line-height: 1.35; }

.form-success {
  display: none;
  padding: 28px;
  border: 1px solid rgba(65, 52, 181, 0.24);
  border-radius: 18px;
  background: var(--lavender-button);
}

.form-success.visible { display: block; animation: reveal 0.35s ease both; }
.form-success h3 { margin: 0 0 10px; font-size: 25px; }
.form-success p { margin: 0 0 20px; color: var(--muted); }

.site-footer {
  padding: 38px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--white);
}

.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; font-weight: 650; }
.footer-links a:hover { color: var(--accent); }
.legal { max-width: 1050px; margin: 0; font-size: 11px; line-height: 1.65; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; margin-top: 25px; font-size: 11px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes reveal {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1080px) {
  .main-nav {
    position: fixed;
    inset: 76px 0 auto;
    display: grid;
    max-height: 0;
    gap: 0;
    overflow: hidden;
    padding-inline: 20px;
    border-bottom: 1px solid transparent;
    background: rgba(235, 236, 254, 0.98);
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.2s ease, padding 0.3s ease, border-color 0.3s ease;
  }

  .menu-open .main-nav { max-height: 430px; padding-block: 18px 24px; border-color: var(--line); opacity: 1; }
  .main-nav a:not(.button) { padding: 14px 2px; border-bottom: 1px solid var(--line); }
  .main-nav a:not(.button)::after { display: none; }
  .main-nav .button { margin-top: 14px; }
  .menu-toggle { display: grid; }
  .hero-grid { grid-template-columns: 1fr 390px; gap: 34px; }
  .hero h1 { font-size: clamp(46px, 7vw, 67px); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .prop-grid, .contact-grid { grid-template-columns: 1fr; }
  .contact-copy { position: static; }
  .moscow-card { grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr); }
}

@media (max-width: 820px) {
  .moscow-card { grid-template-columns: 1fr; }
  .moscow-content { min-height: auto; }
  .map-frame, .map-frame iframe { min-height: 460px; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 30px), var(--container)); }
  .hero { padding-top: 54px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { width: min(100%, 520px); margin-inline: auto; }
  .float-card { right: 14px; bottom: 18px; }
  .section { padding: 82px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 36px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .field-full, .checkbox { grid-column: auto; }
}

@media (max-width: 540px) {
  .nav-shell { min-height: 68px; }
  .main-nav { inset: 68px 0 auto; }
  .brand-logo { width: 145px; }
  .hero h1 { font-size: clamp(43px, 13vw, 60px); }
  .hero-lead { font-size: 17px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .stats-grid, .benefits-grid, .process-grid { grid-template-columns: 1fr; }
  .stat-card { min-height: auto; }
  .benefit-card { min-height: 250px; }
  .prop-main, .prop-aside { border-radius: 24px; }
  .prop-equation { align-items: stretch; flex-direction: column; }
  .equation-sign { padding-left: 15px; }
  .moscow-card { border-radius: 24px; }
  .moscow-content { padding: 38px 24px; }
  .office-item { grid-template-columns: 1fr; gap: 4px; }
  .map-frame { padding: 10px; }
  .map-frame, .map-frame iframe { min-height: 370px; }
  .map-label { top: 24px; left: 24px; }
  .contact-grid { gap: 42px; }
  .lead-form { padding: 25px 20px; }
  .form-footer, .footer-top, .footer-bottom { align-items: stretch; flex-direction: column; }
  .form-hint { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}