/* ==========================================================================
   DESIGN TOKENS
   ========================================================================== */
:root {
  /* Typography */
  --font-family-base: 'Plus Jakarta Sans', sans-serif;
  --font-hero: 64px;
  --font-h2: 48px;
  --font-lg: 24px;
  --font-base: 16px;
  --font-sm: 12px;

  --weight-semibold: 600;
  --weight-medium: 500;
  --weight-regular: 400;

  /* Colors */
  --color-accent-red: #DA1A25;
  --color-accent-blue: #42D9E8;
  --color-bg-primary: #07131F;
  --color-bg-secondary: #0B1E2E; /* secondary dark background, derived from primary for gradients/overlays */
  --color-card: #182534;
  --color-text: #FFFFFF;
  --color-text-muted: rgba(255, 255, 255, 0.6);
  --color-border: rgba(255, 255, 255, 0.12);

  /* Light theme (used to alternate sections for a more modern look) */
  --color-bg-light: #F4F6F8;
  --color-text-on-light: #07131F;
  --color-text-on-light-muted: rgba(7, 19, 31, 0.6);
  --color-border-on-light: rgba(7, 19, 31, 0.1);

  /* Spacing */
  --space-section: 150px;
  --space-xs: 15px;
  --space-sm: 20px;
  --space-md: 30px;
  --space-lg: 50px;

  /* Grid */
  --grid-col-width: 60px;
  --grid-gap: 35px;
  --container-max-width: 1105px;
  --page-max-width: 1920px;

  
  /* Interactive card */
  --card-panel-max-height: 260px;
  --card-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.container {
   max-width: 1200px;
   padding: 0 var(--space-lg);
   margin: 0 auto;
}

/* ==========================
   Custom Scrollbar
   ========================== */

/* WebKit browsers (Chrome, Safari, Edge) */


::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-card);
  border-radius: 4px;
  border: 2px solid var(--color-bg-primary);
  transition: var(--card-transition);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-blue);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-card) var(--color-bg-primary);
}

/* ==========================================================================
   RESET / BASE
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--color-bg-primary);
  color: var(--color-text);
}

ul {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
}

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

/* ==========================================================================
   BLOCK: hero
   ========================================================================== */
.hero {
  position: relative;
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  min-height: 900px;
  overflow: hidden;
  background-color: var(--color-bg-primary);
  isolation: isolate;
  z-index: 4;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 19, 31, 0.55) 0%, var(--color-bg-primary) 78%);
}

.hero__glow {
  position: absolute;
  top: 220px;
  left: 40%;
  z-index: 1;
  width: 600px;
  height: 300px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(218, 26, 37, 0.3) 0%, rgba(218, 26, 37, 0.15) 45%, rgba(7, 19, 31, 0) 75%);
  pointer-events: none;
}

.hero__container {
  position: relative;
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.hero__header {
  position: relative;
  width: 100%;
  padding-top: var(--space-lg);
}

.hero__body {
  position: relative;
  z-index: 2;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--space-section) var(--space-sm) 0;
  text-align: center;
}

.hero__title {
  font-family: var(--font-family-base);
  font-size: var(--font-hero);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  color: var(--color-text);
  text-transform: uppercase;
}

.hero__picture {
  position: absolute;
  z-index: 2;
  width: 100%;
  bottom: 0;
}

.hero__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ==========================================================================
   BLOCK: logo
   ========================================================================== */
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.logo__text {
  font-size: var(--font-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.5px;
  color: var(--color-text);
  text-transform: uppercase;
}

.logo__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.logo__icon svg {
  width: 100%;
  height: 100%;
}

/* ==========================================================================
   BLOCK: nav
   ========================================================================== */
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--font-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  transition: color 0.2s ease;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-accent-blue);
}

/* ==========================================================================
   BLOCK: btn
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-md);
  border-radius: 999px;
  font-size: var(--font-base);
  font-weight: var(--weight-semibold);
  transition: opacity 0.2s ease, transform 0.2s ease, background var(--card-transition);
}

.btn:hover {
  background-color: var(--color-accent-blue);
}

.btn--accent {
  background-color: var(--color-accent-red);
  color: var(--color-text);
}

.btn--accent:hover {
  opacity: 0.9;
}

.btn--accent:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
}

/* ==========================================================================
   ELEMENT: hero__container--header layout (flex row, 3 zones)
   ========================================================================== */
.hero__container--header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   BLOCK: burger
   ========================================================================== */
.burger {
  position: relative;
  z-index: 20;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: transparent;
  border-radius: 8px;
}

.burger:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

.burger__line {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
}

.burger--active .burger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger--active .burger__line:nth-child(2) {
  opacity: 0;
}

.burger--active .burger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   ELEMENT: nav__cta--mobile (hidden on desktop, shown inside mobile menu)
   ========================================================================== */
.nav__cta--mobile {
  display: none;
}

/* ==========================================================================
   ELEMENT: nav__overlay (backdrop behind mobile menu)
   ========================================================================== */
.nav__overlay {
  position: fixed;
  inset: 0;
  z-index: 15;
  background-color: rgba(7, 19, 31, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav__overlay--visible {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 1400px) {
   .hero {
      min-height: 700px;
   }
}

/* ==========================================================================
   RESPONSIVE — TABLET (max-width: 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero {
    min-height: 550px;
  }

  .hero__container--header {
    padding: 0 var(--space-md);
  }

  .hero__header {
    padding-top: var(--space-md);
  }

  .hero__body {
    padding-top: 80px;
  }

  .hero__title {
    font-size: 51px; /* ~64px - 20% */
  }

  .hero__glow {
    width: 700px;
    height: 400px;
    top: 120px;
  }

  .nav__list {
    gap: var(--space-md);
  }

  .nav__link {
    font-size: 14px;
  }
}

/* ==========================================================================
   RESPONSIVE — MOBILE (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {

  .hero {
    min-height: 450px;
  }
  
   .hero__container--header {
    padding: var(--space-sm) var(--space-sm) 0;
  }

  .burger {
    display: flex;
  }

  .hero__cta {
    display: none;
  }

  .hero__nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 18;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    width: min(320px, 80vw);
    height: 100vh;
    padding: var(--space-lg) var(--space-md);
    background-color: var(--color-bg-secondary);
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.35);
    transform: translateX(100%);
    transition: transform 0.35s ease;
  }

  .hero__nav.nav--open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .nav__link {
    font-size: var(--font-lg);
  }

  .nav__cta--mobile {
    display: inline-flex;
  }

  .hero__body {
    padding-top: var(--grid-col-width);
    padding-bottom: 0;
  }

  .hero__title {
    font-size: 36px;
  }

  .hero__picture {
    margin-top: -40px;
  }

  .hero__glow {
    width: 40%;
    height: 120px;
    top: 180px;
    transform: translateX(-70%);
  }
}

/* ==========================================================================
   RESPONSIVE — SMALL MOBILE (max-width: 480px)
   ========================================================================== */
@media (max-width: 480px) {
  .hero {
    min-height: 350px;
  }

  .hero__container {
    padding: 0 var(--space-xs);
  }

  .hero__container--header {
    padding: var(--space-xs) var(--space-xs) 0;
  }

  .hero__body {
    padding-top: 60px;
    padding-left: var(--space-xs);
    padding-right: var(--space-xs);
  }

  .hero__title {
    font-size: 24px;
  }

  .logo__text {
    font-size: var(--font-base);
  }

  .nav__link {
    font-size: var(--font-sm);
  }

  .btn {
    padding: 12px var(--space-sm);
    font-size: var(--font-sm);
  }

   .hero__glow {
    top: 150px;
  }
}


.advantages {
  width: 100%;
  background-color: var(--color-bg-light);
  padding: var(--space-section) 0;
  font-family: var(--font-family-base);
  overflow: hidden;
}

.advantages__container {
  display: flex;
  align-items: center;
  gap: var(--grid-gap);
}

/* ===== LEFT CONTENT ===== */

.advantages__content {
  flex: 0 0 calc(50% - var(--grid-gap) / 2);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.advantages__title {
  font-size: var(--font-h2);
  font-weight: var(--weight-semibold);
  color: var(--color-text-on-light);
  text-transform: uppercase;
  line-height: 1.2;
}

.advantages__text {
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  color: var(--color-text-on-light);
  opacity: 0.75;
  line-height: 1.5;
  max-width: 480px;
  padding: 0 0 0 65px;
}

.advantages__features {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-top: var(--space-sm);
}

.advantages__feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.advantages__feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--color-accent-red);
}

.advantages__feature-icon svg {
  width: 60px;
  height: 60px;
}

.advantages__feature-label {
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  color: var(--color-text-on-light);
  text-transform: uppercase;
  white-space: nowrap;
}

/* ===== RIGHT VISUAL ===== */

.advantages__visual {
  flex: 0 0 calc(50% - var(--grid-gap) / 2);
  position: relative;
}

.advantages__images {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 одинаковые колонки */
  grid-template-rows: repeat(3, 1fr);    /* 3 одинаковые строки */
  gap: 35px;
  
  /* Контейнеру обязательно нужна высота, чтобы строки (1fr) знали, от чего считаться */
  min-height: 500px; /* Можешь изменить под свой дизайн */
}

.advantages__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
}

/* Левый верхний элемент (33% высоты) */
.advantages__image:nth-of-type(1) {
  grid-column: 1;
  grid-row: 1 / 2; /* Занимает 1-ю строку */
}

/* Левый нижний элемент (66% высоты) */
.advantages__image:nth-of-type(2) {
  grid-column: 1;
  grid-row: 2 / 4; /* Занимает со 2-й по 3-ю строку включительно */
}

/* Правый верхний элемент (66% высоты) */
.advantages__image:nth-of-type(3) {
  grid-column: 2;
  grid-row: 1 / 3; /* Занимает с 1-й по 2-ю строку включительно */
}

/* Правый нижний элемент (33% высоты) */
.advantages__image:nth-of-type(4) {
  grid-column: 2;
  grid-row: 3 / 4; /* Занимает 3-ю строку */
}

/* Рабочий остается без изменений */
.advantages__worker {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 80%;
  transform: translateX(-50%);
  height: auto;
  z-index: 2;
}

/* Объединяем смещение по X для центрирования и Y для старта анимации */
.advantages__worker.fade-in-up {
  transform: translateX(-50%) translateY(30px);
}

/* Возвращаем Y в ноль, но сохраняем центрирование по X */
.advantages__worker.fade-in-up.is-visible {
  transform: translateX(-50%) translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
   .advantages__title {
      font-size: 40px;
   }
}

@media (max-width: 1024px) {

  .advantages__title {
    font-size: 38px;
  }
  
  .advantages__text {
      max-width: 100%;
  }

  .advantages__container {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .advantages__content,
  .advantages__visual {
    flex: 0 0 100%;
    width: 100%;
  }

  .advantages__images {
    height: 400px;
  }

  .advantages__worker {
     width: 50%;
  }
}

@media (max-width: 768px) {
  .advantages__container {
    padding: 0 var(--space-sm);
    flex-direction: column;
  }

  .advantages__title {
    font-size: 32px;
  }

  .advantages__text {
    max-width: 100%;
  }

  .advantages__features {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-md);
  }

   .advantages__images {
      min-height: 350px;
      gap: 10px;
   }

   .advantages__worker {
     width: 70%;
  }
}

@media (max-width: 480px) {
   .advantages {
      padding: 100px 0;
   }
  .advantages__container {
    padding: 0 var(--space-xs);
    gap: var(--space-md);
  }

  .advantages__content {
   gap: var(--space-sm);
  }

  .advantages__title {
    font-size: 24px;
  }

  .advantages__feature {
   align-items: center;
  }
  .advantages__text {
    font-size: 14px;
    padding-left: 0;
  }

  .advantages__feature-label {
   font-size: var(--font-sm);
  }

  .advantages__features {
    gap: var(--space-sm);
    margin-top: 5px;
  }

  .advantages__feature-icon {
    width: 40px;
    height: 40px;
  }

  .advantages__images {
    height: 280px;
  }
  .advantages__image {
   border-radius: 15px;
  }
}

@media (max-width: 480px) {
   .advantages__worker {
      width: 85%;
   }
}


.system-section {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  background-color: var(--color-bg-primary);
  padding: var(--space-section) var(--space-lg);
  position: relative;
  /* overflow: hidden;  ← прибрати цей рядок, він ламає position: sticky */
}

/* Ambient background glow — тонкий натяк на "енергію", без шуму */
.system-section::before {
  content: "";
  position: absolute;
  top: -10%;
  left: 50%;
  width: min(900px, 90vw);   /* не дає glow вилазити за екран */
  height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle,
    color-mix(in srgb, var(--color-accent-blue) 7%, transparent) 0%,
    transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.system-section__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.system-section__header {
  max-width: 700px;
  margin-bottom: var(--space-lg);
  position: relative;
}

/* ===== Reveal-on-scroll (Оригінальні стилі) ===== */
.system-section__header,
.system-card {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.system-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(155deg, var(--color-card) 0%, color-mix(in srgb, var(--color-card) 80%, black) 100%);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 28px var(--space-xs) var(--space-xs);
  cursor: pointer;
  isolation: isolate;
  overflow: hidden;
  transform: translateY(0px);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              border-color 0.4s ease !important;
}

/* Верхня "енергетична" лінія — статична цятка в стані спокою */
.system-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 30%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-red));
  transition: width 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 2;
}

/* М'яке внутрішнє світіння знизу-справа, з'являється на ховері */
.system-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 100%,
    color-mix(in srgb, var(--color-accent-blue) 16%, transparent) 0%,
    transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
  pointer-events: none;
}

.system-card:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--color-accent-blue) 40%, var(--color-border));
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.45),
    0 0 0 1px color-mix(in srgb, var(--color-accent-blue) 15%, transparent);
}
.system-card:hover::before {
  width: 100%;
}
.system-card:hover::after {
  opacity: 1;
}

.system-card__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.system-card__badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: color-mix(in srgb, var(--color-accent-blue) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent-blue) 30%, transparent);
  color: var(--color-accent-blue);
  font-family: var(--font-family-base);
  font-weight: var(--weight-medium);
  font-size: var(--font-sm);
  line-height: 1;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: 100px;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              background 0.4s ease;
}
.system-card__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-blue);
  box-shadow: 0 0 8px 1px color-mix(in srgb, var(--color-accent-blue) 70%, transparent);
  animation: pulse-dot 2.2s ease-in-out infinite;
}
.system-card:hover .system-card__badge {
  transform: scale(1.08);
  background: color-mix(in srgb, var(--color-accent-blue) 20%, transparent);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

/* Іконка категорії — намальована в CSS через nth-child, без правок HTML */
.system-card__title {
  display: flex;
  align-items: start;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-family-base);
  font-weight: var(--weight-semibold);
  font-size: var(--font-base);
  color: var(--color-text);
  margin: 0;
  transition: color 0.4s ease;
  position: relative;
  z-index: 1;
}
.system-card__title::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.9;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.system-card:hover .system-card__title::before {
  transform: scale(1.12) rotate(-4deg);
}
.system-card:hover .system-card__title {
  color: var(--color-accent-blue);
}

/* Дім */
.system-card:nth-child(1) .system-card__title::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2342D9E8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 11l9-7 9 7'/%3E%3Cpath d='M5 10v10h14V10'/%3E%3Cpath d='M9 20v-6h6v6'/%3E%3C/svg%3E");
}
/* Бізнес */
.system-card:nth-child(2) .system-card__title::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2342D9E8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='3' width='16' height='18'/%3E%3Cpath d='M9 8h1M14 8h1M9 12h1M14 12h1M9 16h1M14 16h1'/%3E%3C/svg%3E");
}
/* Гібрид */
.system-card:nth-child(3) .system-card__title::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2342D9E8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17 2l4 4-4 4'/%3E%3Cpath d='M3 11V9a4 4 0 014-4h14'/%3E%3Cpath d='M7 22l-4-4 4-4'/%3E%3Cpath d='M21 13v2a4 4 0 01-4 4H3'/%3E%3C/svg%3E");
}
/* Накопичення */
.system-card:nth-child(4) .system-card__title::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2342D9E8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='7' width='18' height='10' rx='2'/%3E%3Cpath d='M22 10v4'/%3E%3Cpath d='M6 12h8'/%3E%3C/svg%3E");
}

.system-section__header--visible,
.system-card--visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .system-section__header,
  .system-card {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .system-card__badge::before {
    animation: none;
  }
}

.system-section__title {
  font-family: var(--font-family-base);
  font-weight: var(--weight-semibold);
  font-size: var(--font-h2);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 var(--space-sm) 0;
}
.system-section__description {
  font-family: var(--font-family-base);
  font-weight: var(--weight-regular);
  font-size: var(--font-base);
  line-height: 1.5;
  color: var(--color-text-muted);
  margin: 0;
  padding: 0;
  max-width: 560px;
  padding-left: 65px;
}
.system-section__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  width: 100%;
}

.system-card__text {
  font-family: var(--font-family-base);
  font-weight: var(--weight-regular);
  font-size: var(--font-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0;
  position: relative;
  z-index: 1;
}

/* ===== SCROLLYTELLING LOGIC (NEW) ===== */
@media (min-width: 1025px) {
  .system-section.scrollytelling-active {
    height: 200vh;
    position: relative;
    padding-top: 0;
    padding-bottom: var(--space-section);
  }

  .system-section__title {
    padding-top: var(--space-section);
  }

  .system-section.scrollytelling-active .system-section__container {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    z-index: 10;
    will-change: transform;
  }

  .system-section.scrollytelling-active .system-card {
    transition: none !important;
    opacity: 0;
  }

  .system-section.scrollytelling-active .system-card.is-revealed {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                border-color 0.4s ease !important;
  }
}

/* ===== Tablet: <= 1024px ===== */
@media (max-width: 1024px) {
  .system-section {
    padding: var(--space-section) var(--space-lg);
  }
  .system-section__title {
    font-size: 38px;
  }
  .system-section__grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: var(--space-md);
  }
  .system-section__grid .system-card:nth-child(2n) {
    margin-top: 0;
  }
}

/* ===== Mobile: <= 768px ===== */
@media (max-width: 768px) {
  .system-section {
    padding: var(--space-section) var(--space-sm);
  }
  .system-section__header {
    max-width: 100%;
    margin-bottom: var(--space-md);
  }
  .system-section__title {
    font-size: 32px;
  }
  .system-section__description {
    font-size: var(--font-base);
    padding: 0;
    max-width: 100%;
    padding-left: 0;
  }
  .system-section__grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  .system-card {
    flex-direction: column;
  }
}

/* ===== Narrow: <= 480px ===== */
@media (max-width: 480px) {
  .system-section {
    padding: 100px var(--space-xs);
  }
  .system-section__title {
    font-size: 24px;
  }
  .system-card__header {
    flex-wrap: wrap;
  }
}



.energy-control {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  background-color: var(--color-bg-light);
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.energy-control__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.energy-control__header {
  text-align: center;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.energy-control__title {
  margin: 0;
  color: var(--color-text-on-light);
  font-family: var(--font-family-base);
  font-size: var(--font-h2);
  font-weight: var(--weight-semibold);
  line-height: 1.15;
  text-transform: uppercase;
  width: 50%;
  padding-bottom: var(--space-xs);
}

.energy-control__subtitle {
  max-width: 620px;
  margin: var(--space-sm) auto 0;
  color: var(--color-text-on-light-muted);
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  line-height: 1.5;
}

.energy-control__flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.energy-control__flow-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  width: 90px;
  margin: 0;
}

.energy-control__flow-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--color-accent-red);
}

.energy-control__flow-icon svg {
  width: 100%;
  height: 100%;
}

.energy-control__flow-label {
  margin: 0;
  color: var(--color-text-on-light);
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  text-align: center;
  white-space: nowrap;
}

.energy-control__flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 48px;
  color: var(--color-bg-primary);
}

.energy-control__flow-arrow svg {
  width: 32px;
  height: 16px;
}

/* Tablet: <= 1024px */
@media (max-width: 1024px) {
  .energy-control {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .energy-control__title {
    font-size: 38px;
    width: 80%;
  }

  .energy-control__subtitle {
    font-size: 14px;
  }

  .energy-control__flow {
    justify-content: center;
    gap: var(--space-sm) var(--space-xs);
  }

  .energy-control__flow-item {
    width: 80px;
  }
}

/* Mobile: <= 768px */
@media (max-width: 768px) {
  .energy-control {
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .energy-control__container {
    padding: 0 var(--space-xs);
  }

  .energy-control__header {
    margin-bottom: var(--space-md);
  }

  .energy-control__title {
    font-size: 32px;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .energy-control__title {
    font-size: 24px;
    padding: 0 0 var(--space-sm) 0;
  }
  .energy-control__subtitle {
    margin: 0;
  }

  .energy-control__flow {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;
    row-gap: var(--space-md);
    column-gap: var(--space-xs);
  }

  .energy-control__flow-item {
    width: calc(33.333% - var(--space-xs));
    max-width: 100px;
  }

  .energy-control__flow-arrow {
    display: none;
  }

  .energy-control__flow-icon {
    width: 40px;
    height: 40px;
  }

  .energy-control__flow-label {
    font-size: var(--font-sm);
    white-space: normal;
  }

  .energy-control__header {
    text-align: left;
    align-items: start;
  }
}


    @media (min-width: 1025px) {
      .js-scrolly-section.scrollytelling-active {
        height: 250vh; 
        padding-top: 0 !important;
        padding-bottom: 0 !important;
        position: relative;
      }
      
      .js-scrolly-section.scrollytelling-active > div {
        position: sticky;
        top: 0;
        height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        z-index: 10;
        will-change: transform;
      }

      .js-scrolly-section.scrollytelling-active .js-scrolly-card {
        transition: none !important; 
        opacity: 0; 
      }
      
      .js-scrolly-section.scrollytelling-active .js-scrolly-card.is-revealed {
        transition: transform var(--card-transition), box-shadow var(--card-transition) !important;
      }
    }

    /* ===== Секція Installed ===== */
    .installed {
      width: 100%;
      background-color: var(--color-bg-primary);
      padding: var(--space-section) 0;
    }
    .installed__container {
      max-width: var(--container-max-width);
      margin: 0 auto;
      padding: 0 var(--space-sm);
    }
    .installed__header {
      display: flex;
      flex-direction: column;
      margin-bottom: var(--space-lg);
    }
    .installed__title {
      margin: 0 0 var(--space-sm);
      font-size: var(--font-h2);
      font-weight: var(--weight-semibold);
      color: var(--color-text);
      line-height: 1.2;
    }
    .installed__subtitle {
      margin: 0;
      max-width: 620px;
      color: rgba(255, 255, 255, 0.6);
      font-family: var(--font-family-base);
      font-size: var(--font-base);
      font-weight: var(--weight-regular);
      line-height: 1.5;
      padding: 0 0 0 65px;
    }
    .installed__cards {
      display: flex;
      align-items: flex-start;
      gap: var(--grid-gap);
    }

    /* ===== Блок: installed-card ===== */
    .installed-card {
      position: relative;
      min-width: 0;
      border-radius: var(--space-xs);
      background-color: var(--color-card);
      overflow: hidden;
      width: 33%;
      transform: translateY(0px);
      transition: transform var(--card-transition), box-shadow var(--card-transition);
    }
    @media (hover: hover) and (pointer: fine) {
      .installed-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
      }
    }

    .installed-card--closed {
      padding: 0;
    }
    .installed-card--closed:nth-child(2) {
      margin-top: var(--space-lg);
    }
    .installed-card--closed:nth-child(3) {
      margin-top: calc(var(--space-lg) * 2);
    }
    
    .installed-card__image {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    @media (hover: hover) and (pointer: fine) {
      .installed-card--closed:hover .installed-card__image {
        transform: scale(1.06);
      }
    }

    /* ===== Інтерактивна картка ===== */
    .installed-card--interactive {
      min-height: 345px;
    }
    .installed-card__bg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      transform: scale(1);
      transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    @media (hover: hover) and (pointer: fine) {
      .installed-card--interactive:hover .installed-card__bg {
        transform: scale(1.05);
      }
    }
    
    .installed-card__scrim {
      position: absolute;
      inset: 0;
      z-index: 1;
      background: linear-gradient(
        180deg,
        rgba(7, 19, 31, 0) 0%,
        rgba(7, 19, 31, 0.55) 55%,
        rgba(7, 19, 31, 0.92) 100%
      );
      transition: background var(--card-transition);
    }
    .installed-card--active .installed-card__scrim {
      background: rgba(7, 19, 31, 0.88);
    }
    
    .installed-card__toggle {
      position: relative;
      z-index: 2;
      width: 100%;
      margin-top: auto;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: var(--space-sm);
      padding: var(--space-md);
      background: transparent;
      border: none;
      cursor: pointer;
      text-align: left;
      font-family: var(--font-family-base);
      color: var(--color-text);
    }
    .installed-card__toggle:focus-visible {
      outline: 2px solid var(--color-accent-blue);
      outline-offset: -4px;
    }
    
    .installed-card__head {
      display: flex;
      flex-direction: column;
      gap: var(--space-xs);
    }
    .installed-card__title {
      font-size: var(--font-lg);
      font-weight: var(--weight-semibold);
      color: var(--color-text);
      letter-spacing: 0.05em;
    }
    .installed-card__subtitle {
      font-size: var(--font-sm);
      font-weight: var(--weight-regular);
      color: var(--color-text);
      opacity: 0.6;
    }
    
    .installed-card__panel {
      position: relative;
      z-index: 2;
      max-height: 0;
      overflow: hidden;
      padding: 0 var(--space-md);
      transition: max-height var(--card-transition), padding var(--card-transition);
    }
    .installed-card--active .installed-card__panel {
      max-height: var(--card-panel-max-height);
      padding: 0 var(--space-md) var(--space-md);
    }
    .installed-card--active .installed-card__specs {
      opacity: 1;
      transform: translateY(0);
      transition-delay: 0.1s;
    }
    
    .installed-card__specs {
      list-style: none;
      margin: 0;
      padding-top: var(--space-sm);
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      display: flex;
      flex-direction: column;
      gap: var(--space-xs);
      opacity: 0;
      transform: translateY(12px);
      transition: opacity var(--card-transition), transform var(--card-transition);
    }
    .installed-card__spec {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: var(--space-sm);
    }
    .installed-card__spec-label {
      font-size: var(--font-sm);
      font-weight: var(--weight-medium);
      color: var(--color-accent-blue);
      opacity: 1;
    }
    .installed-card__spec-value {
      font-size: var(--font-base);
      font-weight: var(--weight-semibold);
      color: var(--color-text);
    }

    @media (hover: hover) and (pointer: fine) {
      .installed-card--interactive:hover .installed-card__panel {
        max-height: var(--card-panel-max-height);
        padding: 0 var(--space-md) var(--space-md);
      }
      .installed-card--interactive:hover .installed-card__specs {
        opacity: 1;
        transform: translateY(0);
        transition-delay: 0.1s;
      }
      .installed-card--interactive:hover .installed-card__scrim {
        background: rgba(7, 19, 31, 0.88);
      }
    }

    /* ===== Адаптив: Планшет (max-width: 1024px) ===== */
    @media (max-width: 1024px) {
      :root {
        --font-h2: 38px;
        --card-panel-max-height: 220px;
      }
      .installed__cards { flex-wrap: wrap; }
      .installed-card--interactive { width: 100%; min-height: 320px; }
      
      .installed-card--closed { width: calc(50% - var(--grid-gap) / 2); aspect-ratio: 1 / 1; }
      .installed-card--closed:nth-child(2),
      .installed-card--closed:nth-child(3) { margin-top: 0; }
    }

    /* ===== Адаптив: Мобільні (max-width: 768px) ===== */
    @media (max-width: 768px) {
      :root { --card-panel-max-height: 300px; }
      .installed { padding: 50px 0; }
      .installed__subtitle { padding: 0; }
      .installed__cards { flex-direction: column; gap: var(--space-sm); }
      
      .installed-card, .installed-card--interactive, .installed-card--closed { width: 100%; }
      .installed-card--interactive { min-height: 280px; }
      .installed-card--closed { aspect-ratio: 4 / 3; }
      .installed-card--closed:nth-child(2),
      .installed-card--closed:nth-child(3) { margin-top: 0; }
      
      .installed-card__toggle { padding: var(--space-sm); }
      .installed-card__panel { padding: 0 var(--space-sm); }
      .installed-card--active .installed-card__panel { padding: 0 var(--space-sm) var(--space-sm); }
    }

    @media (max-width: 480px) {
      .installed__title { margin: 0 0 var(--space-xs); font-size: 24px; }
      .installed-card__title { font-size: 20px; }
    }




/* ==========================================================================
   BLOCK: calculator
   ========================================================================== */
.calculator {
  width: 100%;
  background: var(--color-bg-light);
  padding: var(--space-section) var(--space-lg);
}
 
.calculator__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
}
 
/* ---- Header ---- */
.calculator__header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--space-lg);
}
 
.calculator__title {
  font-size: var(--font-h2);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  margin: 0 0 var(--space-sm) 0;
  text-transform: uppercase;
  max-width: 800px;
  color: var(--color-text-on-light);
}
 
.calculator__subtitle {
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  color: var(--color-text-on-light-muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.5;
}
 
/* ---- Body layout: form (left) + results (right) ---- */
.calculator__body {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--grid-gap);
  align-items: start;
}
 
/* ---- Form ---- */
.calculator__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
 
.calculator__field { display: flex; flex-direction: column; gap: var(--space-xs); }
 
.calculator__label {
  font-size: var(--font-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-on-light);
}
 
/* ---- Segmented toggle ---- */
.calculator__toggle {
  display: flex;
  background: var(--color-card);
  border-radius: 999px;
  padding: 6px;
  gap: 6px;
}
 
.calculator__toggle-btn {
  flex: 1 1 50%;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-medium);
  padding: 14px var(--space-sm);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--card-transition), color var(--card-transition);
}
 
.calculator__toggle-btn:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}
 
.calculator__toggle-btn--active {
  background: var(--color-accent-blue);
  color: var(--color-bg-primary);
  font-weight: var(--weight-semibold);
}
 
/* ---- Text input with suffix ---- */
.calculator__input-wrap { position: relative; display: flex; align-items: center; }
 
.calculator__input {
  width: 100%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 30px;
  color: var(--color-text);
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  padding: 16px 130px 16px var(--space-sm);
  appearance: textfield;
}
 
.calculator__input::-webkit-outer-spin-button,
.calculator__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
 
.calculator__input::placeholder { color: var(--color-text-muted); }
 
.calculator__input:focus {
  outline: none;
  border-color: var(--color-accent-blue);
}
 
.calculator__input-suffix {
  position: absolute;
  right: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--font-base);
  pointer-events: none;
  white-space: nowrap;
}
 
/* ---- Select ---- */
.calculator__select {
  width: 100%;
  background-color: var(--color-card);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6L8 10L12 6' stroke='%238DA2B5' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  color: var(--color-text);
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  padding: 16px 44px 16px var(--space-sm);
  appearance: none;
  cursor: pointer;
}
 
.calculator__select:invalid { color: var(--color-text-muted); }
.calculator__select:focus { outline: none; border-color: var(--color-accent-blue); }
.calculator__select option { color: var(--color-text); background: var(--color-card); }
 
/* ---- Disclaimer + submit ---- */
.calculator__disclaimer {
  font-size: var(--font-sm);
  font-weight: var(--weight-regular);
  color: var(--color-text-on-light-muted);
  line-height: 1.5;
  margin: 0;
}
 
.calculator__submit {
  align-self: flex-start;
  background: var(--color-accent-red);
  color: var(--color-text);
  border: none;
  border-radius: 999px;
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-semibold);
  padding: 18px 40px;
  cursor: pointer;
  transition: background var(--card-transition), transform var(--card-transition);
}
 
.calculator__submit:hover { 
  background-color: var(--color-accent-blue);
}
.calculator__submit:active { transform: scale(0.98); }
.calculator__submit:focus-visible { outline: 2px solid var(--color-accent-blue); outline-offset: 2px; }
 
/* ---- Results grid ---- */
.calculator__results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: var(--space-sm);
  height: 100%;
}
 
.calculator__card {
  background: var(--color-card);
  border-radius: 20px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-lg);
  cursor: default;
  transition: transform var(--card-transition), border-color var(--card-transition), box-shadow var(--card-transition);

}

.calculator__card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent-blue);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}
 
.calculator__card:hover .calculator__card-icon {
  background: var(--color-accent-blue);
  color: var(--color-bg-primary);
}

 
.calculator__card--power {
  grid-column: 1;
  grid-row: 1 / span 2;
}
 
.calculator__card--generation {
  grid-column: 2;
  grid-row: 1;
}
 
.calculator__card--savings {
  grid-column: 2;
  grid-row: 2;
}
 
.calculator__card-head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
}
 
.calculator__card-icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent-blue);
  color: var(--color-accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--card-transition);
}
 
.calculator__card-icon svg { width: 20px; height: 20px; }
 
.calculator__card-label {
  font-size: var(--font-base);
  font-weight: var(--weight-medium);
  line-height: 1.3;
  margin: 0;
}
 
.calculator__card-value {
  font-size: var(--font-h2);
  font-weight: var(--weight-semibold);
  color: var(--color-accent-red);
  line-height: 1.1;
  margin: 0;
  word-break: break-word;
}
 
.calculator__card-value--sm { font-size: var(--font-lg); }
 
/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .calculator { padding: var(--space-section) var(--space-md); }
  .calculator__title { font-size: 38px; }
  .calculator__body { grid-template-columns: 1fr; gap: var(--space-md); }
  .calculator__results { grid-template-columns: 1fr 1fr; }
}
 
@media (max-width: 768px) {
  .calculator { padding: 50px var(--space-sm); }
  .calculator__title { font-size: 30px; }
  .calculator__results {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }
  .calculator__card--power,
  .calculator__card--generation,
  .calculator__card--savings {
    grid-column: 1;
    grid-row: auto;
  }
  .calculator__submit { width: 100%; text-align: center; }
  .calculator__input { padding-right: var(--space-sm); }
  .calculator__input-suffix { margin-top: 16px; }
  .calculator__input-wrap { flex-direction: column; align-items: flex-start; }
}
 
@media (max-width: 480px) {
  .container, .calculator { padding-left: var(--space-xs); padding-right: var(--space-xs); }
  .calculator__title { font-size: 24px; }
  .calculator__card-value { font-size: 30px; }
  .calculator__form {
    gap: var(--font-sm);
  }
}



/* ==========================================================================
   BLOCK: solaris-intro
   ========================================================================== */
.solaris-intro {
  width: 100%;
  background-color: var(--color-bg-primary);
  padding: var(--space-section) 0;
}

.solaris-intro__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--grid-gap);
}

/* ------------------------- Element: content ------------------------- */
.solaris-intro__content {
  display: flex;
  flex-direction: column;
  flex: 1 1 58%;
  min-width: 0;
}

.solaris-intro__title {
  font-family: var(--font-family-base);
  font-weight: var(--weight-semibold);
  font-size: var(--font-h2);
  line-height: 1.15;
  color: var(--color-text);
  text-transform: uppercase;
  margin: 0 0 var(--space-md) 0;
}

.solaris-intro__text {
  font-family: var(--font-family-base);
  font-weight: var(--weight-regular);
  font-size: var(--font-base);
  line-height: 1.5;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-sm) 0;
  padding: 0 0 0 65px;
}

.solaris-intro__text:last-of-type {
  margin-bottom: var(--space-lg);
}

/* ------------------------- Element: stats ------------------------- */
.solaris-intro__stats {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.solaris-intro__stat {
  display: flex;
  flex-direction: column;
  min-width: 100px;
}

.solaris-intro__stat-number {
  font-family: var(--font-family-base);
  font-weight: var(--weight-semibold);
  font-size: var(--font-h2);
  color: var(--color-accent-red);
  line-height: 1.1;
  margin-bottom: var(--space-xs);
  white-space: nowrap;
}

.solaris-intro__stat-label {
  font-family: var(--font-family-base);
  font-weight: var(--weight-medium);
  font-size: var(--font-base);
  color: var(--color-text);
  line-height: 1.3;
  margin: 0;
}

/* ------------------------- Element: media ------------------------- */
.solaris-intro__media {
  position: relative;
  flex: 1 1 42%;
  min-width: 0;
  aspect-ratio: 4 / 5;
  border-radius: 20px;
  overflow: hidden;
}

.solaris-intro__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
}

.solaris-intro__overlay {
  position: absolute;
  inset: 0;
  border-radius: 20px;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(7, 19, 31, 0) 0%,
    rgba(7, 19, 31, 0.4) 55%,
    rgba(7, 19, 31, 0.8) 100%
  );
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Tablets (landscape/large) */
@media (max-width: 1024px) {

  .solaris-intro__container {
    padding: 0 var(--space-md);
    gap: var(--space-md);
  }

  .solaris-intro__stats {
    flex-wrap: wrap;
    justify-content: center;
  }

  .solaris-intro__stat {
    align-items: center;
  }

  .solaris-intro__title {
    font-size: calc(var(--font-h2) * 0.8);
  }

  .solaris-intro__text {
    padding: 0;
  }

  .solaris-intro__stat-number {
    font-size: calc(var(--font-h2) * 0.8);
  }

  .solaris-intro__media {
    aspect-ratio: 3 / 4;
  }
}

/* Tablets (portrait) / mobile */
@media (max-width: 768px) {
  .solaris-intro {
    padding: 50px 0;
  }

  .solaris-intro__container {
    flex-direction: column;
    align-items: stretch;
    padding: 0 var(--space-sm);
    gap: var(--space-md);
  }

  .solaris-intro__content {
    flex: 1 1 auto;
    order: 2;
  }

  .solaris-intro__media {
    flex: 1 1 auto;
    order: 1;
    aspect-ratio: 16 / 10;
  }

  .solaris-intro__stats {
    gap: var(--space-sm) var(--space-md);
  }

  .solaris-intro__stat {
    width: calc(50% - 20px);
    text-align: center;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .solaris-intro__container {
    padding: 0 var(--space-sm);
  }

  .solaris-intro__title {
    font-size: 24px;
    margin-bottom: var(--space-sm);
  }

  .solaris-intro__text {
    font-size: 14px;
  }

  .solaris-intro__text:last-of-type {
    margin-bottom: var(--space-md);
  }

  .solaris-intro__media {
    aspect-ratio: 4 / 3;
    border-radius: 14px;
  }

  .solaris-intro__image,
  .solaris-intro__overlay {
    border-radius: 14px;
  }

  .solaris-intro__stats {
    flex-wrap: nowrap;
    flex-direction: column;
    gap: var(--space-md);
  }

  .solaris-intro__stat {
    width: 100%;
  }
}




.stages {
  --stages-aside-width: 440px;
  --stages-sticky-offset: 40px;

  width: 100%;
  background-color: var(--color-bg-light);
  padding: var(--space-section) var(--space-lg);
  box-sizing: border-box;
}

.stages__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: var(--grid-gap);
}

.stages__aside {
  flex: 0 0 var(--stages-aside-width);
  width: var(--stages-aside-width);
  position: sticky;
  top: var(--stages-sticky-offset);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.stages__title {
  margin: 0;
  font-family: var(--font-family-base);
  font-weight: var(--weight-semibold);
  font-size: var(--font-h2);
  line-height: 1.2;
  color: var(--color-text-on-light);
}

.stages__button {
  background: var(--color-accent-red);
  color: var(--color-text);
  border: none;
  border-radius: 999px;
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-semibold);
  padding: 18px 40px;
  cursor: pointer;
  width: fit-content;
  transition: background var(--card-transition);
}

.stages__button:hover {
  background-color: var(--color-accent-blue);
}

.stages__button:active {
  opacity: 0.85;
}

.stages__list {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.stages__card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-on-light);
  border-radius: 30px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  box-shadow: 0 10px 30px rgba(7, 19, 31, 0.06);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.35s ease;
  will-change: transform;
}

.stages__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(7, 19, 31, 0.12);
  border-color: var(--color-accent-blue);
}

.stages__card:hover .stages__card-number {
  transition: color 0.35s ease;
}

.stages__card-title {
  margin: 0;
  font-family: var(--font-family-base);
  font-weight: var(--weight-semibold);
  font-size: var(--font-lg);
  color: var(--color-text-on-light);
}

.stages__card-number {
  color: var(--color-accent-red);
}

.stages__card-text {
  margin: 0;
  font-family: var(--font-family-base);
  font-weight: var(--weight-regular);
  font-size: var(--font-sm);
  line-height: 1.5;
  color: var(--color-text-on-light-muted);
}

.stages__arrow {
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-on-light-muted);
  padding: var(--space-xs) 0;
}

.stages__arrow svg {
  display: block;
}

@media (max-width: 1024px) {
  .stages {
    --stages-aside-width: 320px;
    padding: var(--space-section) var(--space-md);
  }

  .stages__title {
    font-size: 38px;
  }

  .stages__container {
    gap: var(--space-md);
  }

  .stages__card {
    padding: var(--space-sm);
  }

  .stages__card-title {
    font-size: 20px;
  }
}

@media (max-width: 768px) {
  .stages {
    padding: 50px var(--space-sm);
  }

  .stages__container {
    flex-direction: column;
  }

  .stages__aside {
    position: static;
    width: 100%;
    flex: 1 1 auto;
    top: auto;
    gap: var(--space-sm);
  }

  .stages__list {
    width: 100%;
  }

  .stages__title {
    font-size: 32px;
  }
}

@media (max-width: 480px) {
  .stages__title {
    font-size: 24px;
  }

  .stages__button {
    width: 100%;
    text-align: center;
  }

  .stages__card {
    padding: var(--space-sm);
  }

  .stages__card-title {
    font-size: var(--font-base);
  }
}



/* ==========================================================================
   BLOCK: contact
   ========================================================================== */
.contact {
  width: 100%;
  background-color: var(--color-bg-primary);
  padding: var(--space-section) 0;
  font-family: var(--font-family-base);
}

.contact__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
  align-items: start;
}

/* ----- Left column: info ----- */
.contact__info {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__title {
  color: var(--color-text);
  font-size: var(--font-h2);
  font-weight: var(--weight-semibold);
  line-height: 1.15;
  margin: 0;
}

.contact__text {
  color: var(--color-text-muted);
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  line-height: 1.6;
  max-width: 320px;
  margin: 0 0 0 var(--space-md);
}

/* ----- Right column: form ----- */
.contact__form {
  grid-column: span 7;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__row {
  width: 100%;
}

.contact__row--fields {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.contact__row--toggle {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.contact__row--submit {
  display: flex;
  justify-content: flex-start;
}

.contact__field {
  width: 100%;
}

.contact__label {
  color: var(--color-text-muted);
  font-size: var(--font-sm);
  font-weight: var(--weight-medium);
}

.contact__input,
.contact__textarea {
  width: 100%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 30px;
  color: var(--color-text);
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  padding: 16px var(--space-sm);
  box-sizing: border-box;
  transition: border-color var(--card-transition);
}

.contact__input::placeholder,
.contact__textarea::placeholder {
  color: var(--color-text-muted);
}

.contact__input:focus,
.contact__textarea:focus {
  outline: none;
  border-color: var(--color-accent-blue);
}

.contact__textarea {
  border-radius: 20px;
  resize: vertical;
  min-height: 120px;
}

/* ---- Segmented toggle (matches .calculator__toggle) ---- */
.contact__toggle {
  display: flex;
  width: 100%;
  background: var(--color-card);
  border-radius: 999px;
  padding: 6px;
  gap: 6px;
  box-sizing: border-box;
}

.contact__toggle-option {
  flex: 1 1 50%;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-medium);
  padding: 14px var(--space-sm);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--card-transition), color var(--card-transition);
}

.contact__toggle-option:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

.contact__toggle-option--active {
  background: var(--color-accent-blue);
  color: var(--color-bg-primary);
  font-weight: var(--weight-semibold);
}

/* ---- Submit (matches .calculator__submit) ---- */
.contact__submit {
  background: var(--color-accent-red);
  color: var(--color-text);
  border: none;
  border-radius: 999px;
  font-family: var(--font-family-base);
  font-size: var(--font-base);
  font-weight: var(--weight-semibold);
  padding: 18px 40px;
  cursor: pointer;
  transition: filter var(--card-transition), transform var(--card-transition), background var(--card-transition);
}

.contact__submit:hover {
  filter: brightness(1.1);
  background-color: var(--color-accent-blue);
}

.contact__submit:active {
  transform: scale(0.98);
}

.contact__submit:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Tablets */
@media (max-width: 1024px) {
  .contact__title {
    font-size: 38px;
  }

  .contact__info {
    grid-column: span 12;
  }

  .contact__form {
    grid-column: span 12;
  }

  .contact__grid {
    row-gap: var(--space-lg);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .contact {
    padding: 50px 0;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    row-gap: var(--space-md);
  }

  .contact__info {
    gap: var(--space-sm);
  }

  .contact__info,
  .contact__form {
    grid-column: 1 / -1;
  }

  .contact__text {
    max-width: 100%;
    margin-left: 0;
  }

  .contact__row--fields {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
}

/* Narrow mobile */
@media (max-width: 480px) {
  .contact__title {
    font-size: 24px;
  }

  .contact__text {
    font-size: 14px;
  }

  .contact__container {
    padding: 0 var(--space-sm);
  }

  .contact__form {
    gap: var(--space-md);
  }
}




.footer {
  background: var(--color-bg-primary);
  padding: 50px 0;
}
.footer__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer__logo {
  display: block;
  cursor: pointer;
}
.footer__logo svg {
  width: 155px;
  height: 32px;
}
.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.footer-contacts__item {
  text-align: right;
  color: var(--color-text);
  transition: color var(--card-transition);
  font-size: var(--font-base);
}
.footer-contacts__item:hover {
  color: var(--color-accent-blue);
}

@media (max-width: 480px) {
  .footer__row {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
  }
}



.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* AI chat widget — reuses SOLARIS design tokens from style.css (:root vars) */
.ai-widget {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9998;
  font-family: var(--font-family-base, 'Plus Jakarta Sans', sans-serif);
}

.ai-widget__toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-accent-red, #DA1A25);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease, transform 0.25s ease;
}
.ai-widget__toggle:hover { background: var(--color-accent-blue, #42D9E8); transform: scale(1.05); }
.ai-widget__toggle svg { width: 26px; height: 26px; }

.ai-widget__panel {
  position: absolute;
  right: 0;
  bottom: 76px;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 560px;
  max-height: 75vh;
  background: var(--color-bg-secondary, #0B1E2E);
  border: 1px solid var(--color-border, rgba(255,255,255,0.12));
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}
.ai-widget--open .ai-widget__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.ai-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: var(--color-bg-primary, #07131F);
  border-bottom: 1px solid var(--color-border, rgba(255,255,255,0.12));
}
.ai-widget__title { color: #fff; font-weight: 600; font-size: 15px; }
.ai-widget__subtitle { color: rgba(255,255,255,0.5); font-size: 12px; margin-top: 2px; }
.ai-widget__close { background: none; border: none; color: rgba(255,255,255,0.6); cursor: pointer; font-size: 20px; line-height: 1; }
.ai-widget__close:hover { color: #fff; }

.ai-widget__messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-msg { max-width: 85%; padding: 10px 14px; border-radius: 16px; font-size: 14px; line-height: 1.5; white-space: pre-wrap; }
.ai-msg--user { align-self: flex-end; background: var(--color-accent-blue, #42D9E8); color: #07131F; border-bottom-right-radius: 4px; }
.ai-msg--assistant { align-self: flex-start; background: var(--color-card, #182534); color: #fff; border-bottom-left-radius: 4px; }
.ai-msg__img { display: block; max-width: 160px; border-radius: 10px; margin-top: 6px; }
.ai-msg--typing { align-self: flex-start; display: flex; gap: 4px; padding: 12px 16px; }
.ai-msg--typing span { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.5); animation: ai-typing 1.2s infinite ease-in-out; }
.ai-msg--typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-msg--typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes ai-typing { 0%, 80%, 100% { opacity: 0.3; } 40% { opacity: 1; } }

.ai-widget__preview { display: flex; gap: 6px; padding: 0 16px; flex-wrap: wrap; }
.ai-widget__preview img { width: 48px; height: 48px; object-fit: cover; border-radius: 8px; }

.ai-widget__inputrow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--color-border, rgba(255,255,255,0.12));
}
.ai-widget__input {
  flex: 1;
  background: var(--color-card, #182534);
  border: 1px solid var(--color-border, rgba(255,255,255,0.12));
  border-radius: 999px;
  color: #fff;
  padding: 10px 16px;
  font-size: 14px;
  font-family: inherit;
  resize: none;
  max-height: 80px;
}
.ai-widget__input:focus { outline: none; border-color: var(--color-accent-blue, #42D9E8); }
.ai-widget__iconbtn {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 50%; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-card, #182534); color: #fff;
  transition: background 0.2s ease;
}
.ai-widget__iconbtn:hover { background: var(--color-accent-blue, #42D9E8); color: #07131F; }
.ai-widget__send { background: var(--color-accent-red, #DA1A25); }
.ai-widget__send:hover { background: var(--color-accent-blue, #42D9E8); }
.ai-widget__iconbtn svg { width: 18px; height: 18px; }

@media (max-width: 480px) {
  .ai-widget { right: 12px; bottom: 12px; }
  .ai-widget__panel { width: calc(100vw - 24px); height: 70vh; bottom: 72px; }
}