:root{
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --text: #0b1220;
  --muted: #51607a;
  --line: rgba(11, 18, 32, 0.12);
  --card: #ffffff;
  --shadow: 0 18px 40px rgba(11, 18, 32, 0.08);
  --accent: #0b2a5d; /* тёмно-синий */
  --accent-2: #1f2a3a; /* графит */
  --steel: #8b97ad;
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1160px;
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  text-rendering: geometricPrecision;
  padding-top: 72px; /* фиксированная шапка */
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

img{ max-width: 100%; display: block; }

.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

.skip-link{
  position: absolute;
  left: 12px;
  top: 12px;
  background: var(--text);
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  transform: translateY(-140%);
  transition: transform 160ms ease;
  z-index: 999;
}
.skip-link:focus{ transform: translateY(0); }

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

.header{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 30;
}
.header__inner{
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.brand__mark{
  width: 30px;
  height: 30px;
  display: block;
  flex-shrink: 0;
}
.brand__name{ font-size: 14px; }
.brand--footer .brand__name{ font-size: 15px; }

.nav{
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav__link{
  font-size: 14px;
  color: rgba(11, 18, 32, 0.86);
  padding: 10px 10px;
  border-radius: 10px;
}
.nav__link:hover{
  background: rgba(11,18,32,0.04);
  text-decoration: none;
}
.nav__link--cta{
  border: 1px solid rgba(11, 42, 93, 0.25);
  background: rgba(11, 42, 93, 0.06);
}

.menu-btn{
  display:none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
}
.menu-btn__line{
  display:block;
  width: 20px;
  height: 2px;
  background: var(--accent-2);
  margin: 4px 0;
}

.mobile-menu{
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.mobile-menu__inner{
  padding: 12px 0 18px;
  display: grid;
  gap: 10px;
}
.mobile-menu__link{
  padding: 12px 10px;
  border-radius: 12px;
  border: 1px solid rgba(11,18,32,0.08);
  background: rgba(11,18,32,0.02);
}
.mobile-menu__cta{ margin-top: 6px; }

.hero{
  padding: 54px 0 36px;
  background: var(--accent-2);
  color: #ffffff;
}
.hero__grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: start;
}
.kicker{
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 10px;
  letter-spacing: 0.2px;
}
.hero__title{
  margin: 0 0 14px;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.8px;
  color: #ffffff;
}
.hero__subtitle{
  margin: 0 0 22px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 62ch;
}
.hero__actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn:hover{ text-decoration:none; }

.btn--primary{
  background: linear-gradient(
    180deg,
    #3b82f6,
    #1e40af
  );
  color: #ffffff;

  padding: 14px 22px;
  font-size: 15px;
  font-weight: 600;

  border-radius: 14px;

  box-shadow:
    0 10px 28px rgba(59, 130, 246, 0.45),
    0 2px 6px rgba(0, 0, 0, 0.25);

  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    filter 0.15s ease;
}

.btn--primary:hover{
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow:
    0 14px 36px rgba(59, 130, 246, 0.55),
    0 4px 10px rgba(0, 0, 0, 0.3);
}
.btn--ghost{
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.85);
}

.btn--ghost:hover{
  background: rgba(255, 255, 255, 0.16);
}

.hero__facts{
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.fact{
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 12px 12px;
  background: rgba(255, 255, 255, 0.08);
}
.fact__k{
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 4px;
}
.fact__v{
  margin: 0;
  font-weight: 600;
  font-size: 13px;
  color: #ffffff;
}

.hero__visual{
  padding-top: 6px;
}

.panel-mock {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 16px;
  overflow: hidden;

  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.12),
    0 4px 12px rgba(0, 0, 0, 0.08);
}

.panel-mock__image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* 👇 затемняющий слой */
.panel-mock__overlay {
  position: absolute;
  inset: 0;

  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.25),
    rgba(15, 23, 42, 0.45)
  );

  pointer-events: none;
}.hero__note{
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
}

.section{
  padding: 60px 0;
}
.section--alt{
  background: var(--bg-alt);
  border-top: 1px solid rgba(11,18,32,0.06);
  border-bottom: 1px solid rgba(11,18,32,0.06);
}
.section__head{
  margin-bottom: 22px;
  max-width: 78ch;
}
.h2{
  margin: 0 0 10px;
  font-size: 28px;
  letter-spacing: -0.3px;
}
.h3{
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.2px;
}
.h3--sm{ font-size: 15px; margin-bottom: 8px; }
.lead{
  margin: 0;
  color: rgba(11,18,32,0.78);
}
.text{
  margin: 0;
  color: rgba(11,18,32,0.78);
}
.muted{ color: rgba(11,18,32,0.60); }

.grid{
  display: grid;
  gap: 14px;
}
.grid--4{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card{
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  padding: 16px 16px;
  box-shadow: 0 12px 26px rgba(11,18,32,0.05);
}
.card__icon{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(11,18,32,0.12);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom: 10px;
  background: rgba(11,18,32,0.02);
}

.service{
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  padding: 16px 16px;
}
.service--cta{
  border-color: rgba(11,42,93,0.22);
  background: linear-gradient(180deg, rgba(11,42,93,0.06), rgba(255,255,255,1));
}

.service--accent {
  border: 1px solid rgba(0,0,0,0.08);
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

.service--accent .h3 {
  color: var(--accent);
}

.list{
  margin: 0;
  padding-left: 18px;
  color: rgba(11,18,32,0.78);
}
.list li{ margin: 6px 0; }

.bullet{
  padding: 16px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: #fff;
}

.steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.step{
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  padding: 14px 14px;
  border: 1px solid rgba(11,18,32,0.10);
  border-radius: var(--radius);
  background: #fff;
}
.step__n{
  font-weight: 700;
  color: rgba(11,42,93,0.9);
  background: rgba(11,42,93,0.06);
  border: 1px solid rgba(11,42,93,0.14);
  border-radius: 14px;
  height: 42px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 13px;
}

.doc{
  padding: 16px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: #fff;
}

.section--faq {
  background: var(--accent-2);

}

.section--faq .lead {
  color: rgba(255,255,255,0.85);
}
.section--faq .h2,
.section--faq .h3 {
  color: #ffffff;
}


/* Общий контейнер */
.faq {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Карточка вопроса */
.qa {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  padding: 0;
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.qa[open] {
  box-shadow: 0 10px 26px rgba(0,0,0,0.06);
  border-color: #d6dee8;
}

/* Строка вопроса */
.qa__q {
  cursor: pointer;
  list-style: none;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 15px;
  position: relative;
}

/* Убираем стандартный маркер */
.qa__q::-webkit-details-marker {
  display: none;
}

/* Плюс / минус справа */
.qa__q::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.qa[open] .qa__q::after {
  content: "–";
}

/* Ответ */
.qa__a {
  padding: 0 22px 18px 22px;
}

.qa__a .text {
  margin: 0;
  color: #5b6472;
  font-size: 14px;
  line-height: 1.6;
}

.cta{
  padding: 60px 0;
  background: #0b1220;
  color: #fff;
}
.cta .lead, .cta .text{ color: rgba(255,255,255,0.75); }
.cta__grid{
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: start;
}
.mini{
  margin: 12px 0 0;
  padding-left: 18px;
  color: rgba(255,255,255,0.78);
}
.form{
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 16px 16px;
}
.field{
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}
.field__label{
  font-size: 12px;
  color: rgba(255,255,255,0.78);
}
.field__control{
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: #fff;
  padding: 12px 12px;
  outline: none;
}
.field__control::placeholder{ color: rgba(255,255,255,0.55); }
.field__control:focus{
  border-color: rgba(255,255,255,0.32);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.06);
}
.field__control--area{ resize: vertical; min-height: 110px; }
.field__hint{
  font-size: 12px;
  color: rgba(255,255,255,0.62);
}
.field__error{
  min-height: 18px;
  font-size: 12px;
  color: rgba(255,210,210,0.95);
}
.form__actions{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}
.cta .btn--ghost{
  background: transparent;
  border-color: rgba(255,255,255,0.22);
  color: #fff;
}
.form__note{
  margin: 12px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,0.62);
}

.footer{
  padding: 42px 0 18px;
  border-top: 1px solid rgba(11,18,32,0.08);
}
.footer__grid{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}
.footer__cols{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.footer__list{
  margin: 0;
  padding-left: 18px;
  color: rgba(11,18,32,0.74);
}
.footer__bottom{
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(11,18,32,0.08);
  display:flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: space-between;
}

.risk-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.risk-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.risk-card__title {
  font-size: 18px;
  margin: 0;
}

.risk-card__block {
  border-radius: 12px;
  padding: 12px 14px;
}

.risk-card__block--risk {
  background: #f5f7fa;
  border: 1px solid #e3e8ef;
}

.risk-card__block--solution {
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.risk-card__label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.risk-card__block--risk .risk-card__label {
  color: #6b7280;
}

.risk-card__block--solution .risk-card__label {
  color: #1d4ed8;
}

.risk-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: #1f2937;
}

.process__phases {
  display: grid;
  gap: 32px;
}

.process__phase {
  background: #ffffff;
  border-radius: 20px;
  padding: 28px 28px 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  border: 1px solid #e6e9ef;
}

.process__phase-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.process__phase-icon {
  font-size: 22px;
}

.process__phase-title {
  margin: 0;
  font-size: 18px;
}

/* ШАГИ */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

/* Вертикальная линия процесса */
.steps::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), rgba(0,0,0,0.08));
}

.step {
  display: flex;
  gap: 16px;
  position: relative;
  padding-left: 6px;
  margin-bottom: 18px;
}

.step:last-child {
  margin-bottom: 8px;
}

.step__n {
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  z-index: 1;
}

.step__title {
  margin: 0 0 4px;
  font-size: 15px;
}

.step .text {
  margin: 0;
  color: #5b6472;
  font-size: 14px;
}

.section--why {
  background: #f7f9fc;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.why-card {
  position: relative;
  background: #ffffff;
  border-radius: 18px;
  padding: 26px 24px 24px;
  border: 1px solid #e6eaf0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0,0,0,0.08);
  border-color: #d9e1ec;
}

/* Верхний лейбл */
.why-card__label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(11, 42, 93, 0.08);
  color: var(--accent);
}

/* Акцентная полоска */
.why-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 4px;
  border-radius: 4px;
  background: var(--accent);
  opacity: 0.85;
}

.why-card__title {
  margin: 0 0 8px;
  font-size: 17px;
}

.why-card__text {
  margin: 0;
  font-size: 14px;
  color: #5b6472;
  line-height: 1.55;
}

.section--quality {
  background: #ffffff;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.quality-card {
  position: relative;
  background: #f7f9fc;
  border-radius: 18px;
  padding: 26px 24px 24px;
  border: 1px solid #e3e8ef;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.quality-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.06);
  border-color: #d5dde8;
}

/* Верхний функциональный лейбл */
.quality-card__label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(11, 42, 93, 0.07);
  color: var(--accent);
}

/* Иконка-документ сбоку (чисто декоративно) */
.quality-card::before {
  content: "📄";
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 20px;
  opacity: 0.25;
}

.quality-card__title {
  margin: 0 0 8px;
  font-size: 17px;
}

.quality-card__text {
  margin: 0;
  font-size: 14px;
  color: #5b6472;
  line-height: 1.55;
}


.enclosures__grid {
  align-items: center;
  gap: 40px;
}

.enclosures__image {
  display: flex;
  justify-content: center;
}

.enclosures__image img {
  width: 100%;
  max-width: 460px;
  border-radius: 14px;
  background: #f3f5f8;
  padding: 18px;
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.10),
    0 6px 16px rgba(0, 0, 0, 0.08);
}

/* Галочки */
#enclosures .list--check li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
}

#enclosures .list--check li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.field--check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
}

.field--check input {
  margin-top: 3px;
}

@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .cta__grid{ grid-template-columns: 1fr; }
  .grid--4{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav{ display:none; }
  .menu-btn{ display:inline-flex; }
  .hero__title{ font-size: 34px; }
  .hero{ padding-top: 34px; }
}

@media (max-width: 560px){
  .container{ width: min(var(--container), calc(100% - 28px)); }
  .grid--4, .grid--3, .grid--2{ grid-template-columns: 1fr; }
  .step{ grid-template-columns: 56px 1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}