:root {
  --color-primary: #1e3a5f;
  --color-primary-dark: #162b47;
  --color-accent: #2d6a4f;
  --color-accent-dark: #245a42;
  --color-text: #1a2332;
  --color-muted: #5c6b7a;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f8;
  --color-border: #e2e6eb;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
  --container: 1180px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  margin: 0 0 16px;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: 44px; text-transform: uppercase; letter-spacing: 0.01em; }
h2 { font-size: 32px; text-transform: uppercase; text-align: center; letter-spacing: 0.02em; }
h3 { font-size: 20px; }

p { margin: 0 0 16px; }

.section {
  padding: 80px 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__intro {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--color-muted);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover { background: var(--color-accent-dark); }

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn--outline:hover { background: rgba(255, 255, 255, 0.08); border-color: #fff; }

.btn--outline-dark {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline-dark:hover { background: var(--color-primary); color: #fff; }

.btn--block { width: 100%; }

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header__topbar {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-muted);
}
.header__topbar-inner {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
  padding: 8px 0;
}
.header__topbar a { color: var(--color-primary); font-weight: 600; }
.header__topbar-item { display: inline-flex; align-items: center; gap: 6px; }

.header__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.brand__logo { width: 42px; height: 48px; object-fit: contain; }
.brand__name {
  font-size: 14px;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.1;
}
.brand__tagline {
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 2px;
  max-width: 220px;
  line-height: 1.3;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav a:hover { color: var(--color-primary); }
.nav a.is-active { color: var(--color-primary); border-bottom-color: var(--color-accent); }

.header__cta { flex-shrink: 0; }

.burger {
  display: none;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius);
}
.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  flex-direction: column;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10, 25, 47, 0.82) 0%,
    rgba(10, 25, 47, 0.65) 55%,
    rgba(10, 25, 47, 0.25) 100%
  );
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding: 80px 0 48px;
  flex: 1;
}

.hero__content {
  max-width: 600px;
}

.hero h1 { color: #fff; margin-bottom: 20px; }
.hero__lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__disclaimer {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 18px 0;
}

.hero__disclaimer-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero__disclaimer-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
}

.hero__disclaimer-text {
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.hero__disclaimer-text strong { color: #fff; }


/* ===== Grid Cards ===== */
.grid {
  display: grid;
  gap: 24px;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--6 { grid-template-columns: repeat(6, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  background: rgba(45, 106, 79, 0.1);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--color-accent);
}

.card__title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  line-height: 1.35;
}
.card__text {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.5;
}

/* ===== Steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--color-accent) 0 6px, transparent 6px 12px);
  z-index: 0;
}
.step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step__num {
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  font-size: 22px;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  border: 4px solid var(--color-bg-alt);
  box-shadow: 0 0 0 2px var(--color-accent);
}
.section:not(.section--alt) .step__num { border-color: #fff; }
.step__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  color: var(--color-primary);
}
.step__title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.step__text {
  font-size: 13px;
  color: var(--color-muted);
  margin: 0;
}

/* ===== CTA / Form section ===== */
.cta {
  background: var(--color-primary);
  color: #fff;
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta__inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}
.cta h2 { color: #fff; text-align: left; margin-bottom: 20px; }
.cta__lead {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
}
.cta__bullets { list-style: none; padding: 0; margin: 0; }
.cta__bullets li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
}
.cta__bullets svg { color: var(--color-accent); flex-shrink: 0; }

/* ===== Form ===== */
.form {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form__field { margin-bottom: 16px; }
.form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.form input,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.15);
}
.form textarea { resize: vertical; min-height: 90px; }

.form__check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 16px;
}
.form__check input { width: auto; margin-top: 3px; }
.form__check a { color: var(--color-primary); text-decoration: underline; }

.form__error { color: #c53030; font-size: 13px; margin-top: 4px; display: none; }
.form input.is-invalid,
.form textarea.is-invalid { border-color: #c53030; }

.form__success {
  display: none;
  padding: 32px;
  text-align: center;
  background: rgba(45, 106, 79, 0.08);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
}
.form__success h3 { color: var(--color-accent); margin-bottom: 8px; }
.form__success.is-visible { display: block; }
.form.is-hidden { display: none; }

/* ===== Page Hero (internal) ===== */
.page-hero {
  background: linear-gradient(135deg, #1e3a5f 0%, #2a4a6f 100%);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 { color: #fff; font-size: 36px; margin-bottom: 12px; }
.page-hero p { color: rgba(255, 255, 255, 0.85); max-width: 640px; margin: 0 auto; }

/* ===== Services list ===== */
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  gap: 28px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-md); }
.service-card__icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  background: rgba(45, 106, 79, 0.1);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: var(--color-accent);
}
.service-card__content { flex: 1; }
.service-card h3 {
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}
.service-card__desc { color: var(--color-muted); margin-bottom: 16px; }

.service-card__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.service-card__meta-item h4 {
  font-size: 12px;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.service-card__meta-item p { font-size: 13px; color: var(--color-muted); margin: 0; }

/* ===== How-page stages ===== */
.stage {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  gap: 28px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.stage__num {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 700;
}
.stage__content h3 {
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}
.stage__content p { color: var(--color-muted); margin: 0; }

/* ===== Docs list ===== */
.docs-list {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px 0;
}
.docs-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}
.docs-list li:last-child { border-bottom: none; }
.docs-list svg { color: var(--color-accent); flex-shrink: 0; }

.note {
  background: rgba(30, 58, 95, 0.05);
  border-left: 4px solid var(--color-primary);
  padding: 20px 24px;
  border-radius: var(--radius);
  margin-top: 28px;
  color: var(--color-text);
}
.note strong { color: var(--color-primary); }

/* ===== Pricing ===== */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.plan {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.plan:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.plan--featured {
  border-color: var(--color-accent);
  border-width: 2px;
  position: relative;
}
.plan--featured::before {
  content: "Рекомендовано";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.plan h3 {
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.plan__tagline { color: var(--color-muted); font-size: 14px; margin-bottom: 24px; }
.plan__features { list-style: none; padding: 0; margin: 0 0 28px; flex: 1; }
.plan__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.plan__features li:last-child { border-bottom: none; }
.plan__features svg { color: var(--color-accent); flex-shrink: 0; margin-top: 4px; }
.plan__term {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 20px;
  padding: 12px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}
.plan__term strong { color: var(--color-primary); }

/* ===== Contacts page ===== */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-item:last-child { border-bottom: none; }
.contact-item__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(45, 106, 79, 0.1);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: var(--color-accent);
}
.contact-item h4 {
  font-size: 12px;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  font-weight: 600;
}
.contact-item p { margin: 0; color: var(--color-text); font-weight: 500; }
.contact-item a { color: var(--color-primary); font-weight: 600; }

.contact-form-wrapper {
  background: var(--color-bg-alt);
  border-radius: 12px;
  padding: 36px;
}
.contact-form-wrapper h3 { margin-bottom: 8px; }
.contact-form-wrapper .form {
  background: transparent;
  padding: 0;
  box-shadow: none;
}

/* ===== Footer ===== */
.footer {
  background: #162b47;
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 0;
  font-size: 14px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer .brand__name { color: #fff; }
.footer .brand__tagline { color: rgba(255, 255, 255, 0.6); max-width: 280px; }
.footer h4 {
  color: #fff;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer__col p { margin: 0 0 10px; }
.footer__col a { color: rgba(255, 255, 255, 0.85); }
.footer__col a:hover { color: #fff; }
.footer__col ul { list-style: none; padding: 0; margin: 0; }
.footer__col ul li { margin-bottom: 10px; }

.footer__contact-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}
.footer__contact-line svg { color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  h1 { font-size: 34px; }
  h2 { font-size: 26px; }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .steps::before { display: none; }
  .hero__inner { padding: 60px 0 40px; }
  .cta__inner { grid-template-columns: 1fr; }
  .contacts-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  .section { padding: 56px 0; }
  .hero { min-height: auto; }
  .hero__inner { padding: 48px 0 36px; }
  .hero__disclaimer-text { font-size: 13px; }

  .header__topbar-inner { justify-content: center; flex-wrap: wrap; gap: 12px; padding: 6px 0; font-size: 12px; }
  .burger { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    gap: 0;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); width: 100%; }
  .nav a:last-child { border-bottom: none; }
  .header__main { position: relative; }
  .header__cta { display: none; }

  .grid--3, .grid--6, .grid--5, .grid--2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .service-card, .stage { flex-direction: column; gap: 16px; }
  .service-card__meta { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .form { padding: 24px; }
}