/* ==========================================================================
   ENERGIA24 - стилі
   Кольори: яскраво-зелений / чорний / білий
   ========================================================================== */

:root {
  --green: #7CB342;
  --green-dark: #5f9130;
  --green-light: #8fc857;
  --black: #111111;
  --ink: #1a1a1a;
  --white: #ffffff;
  --gray-bg: #f4f6f2;
  --gray-line: #e2e6dd;
  --gray-text: #5c6157;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(17, 17, 17, 0.10);
  --shadow-hover: 0 14px 38px rgba(124, 179, 66, 0.28);
  --maxw: 1180px;
  --font: "Montserrat", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Типографіка ---------- */
h1, h2, h3 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
}

h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.4rem); }
h3 { font-size: 1.15rem; }

.section {
  padding: 72px 0;
}

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

.section__head {
  margin-bottom: 40px;
}

/* ---------- Поява елементів при прокрутці ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .65s cubic-bezier(.2, .7, .3, 1), transform .65s cubic-bezier(.2, .7, .3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Каскад для елементів сітки - кожен наступний трохи пізніше за попередній */
.cats .cat.reveal:nth-child(1) { transition-delay: 0s; }
.cats .cat.reveal:nth-child(2) { transition-delay: .1s; }
.cats .cat.reveal:nth-child(3) { transition-delay: .2s; }

.grid-products .card.reveal:nth-child(1) { transition-delay: 0s; }
.grid-products .card.reveal:nth-child(2) { transition-delay: .08s; }
.grid-products .card.reveal:nth-child(3) { transition-delay: .16s; }
.grid-products .card.reveal:nth-child(4) { transition-delay: .24s; }
.grid-products .card.reveal:nth-child(5) { transition-delay: .32s; }

.brands .brand.reveal:nth-child(1) { transition-delay: 0s; }
.brands .brand.reveal:nth-child(2) { transition-delay: .08s; }
.brands .brand.reveal:nth-child(3) { transition-delay: .16s; }
.brands .brand.reveal:nth-child(4) { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  .hero__inner > *,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

.section__head p {
  margin: 0;
  color: var(--gray-text);
  max-width: 620px;
}

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 10px;
}

/* ---------- Логотип ---------- */
.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.logo__mark {
  background: var(--green);
  color: var(--white);
  padding: 6px 8px 6px 10px;
  border-radius: 8px 0 0 8px;
}

.logo__num {
  background: var(--black);
  color: var(--white);
  padding: 6px 10px 6px 8px;
  border-radius: 0 8px 8px 0;
}

/* На світлому фоні (у футері/партнерці інверсія не потрібна) */
.logo--onlight .logo__mark { color: var(--white); }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 700;
  font-size: .95rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--green);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn--dark {
  background: var(--black);
  color: var(--white);
}

.btn--dark:hover {
  background: #000;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
}

.btn--ghost {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}

.btn--ghost:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-2px);
}

/* Обвідка для темних фонів (напр. hero) - .btn--ghost там непомітний */
.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, .5);
}

.btn--outline:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
  transform: translateY(-2px);
}

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

.btn--lg {
  padding: 15px 30px;
  font-size: 1rem;
}

/* ---------- Шапка ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--gray-line);
}

.header__bar {
  display: flex;
  flex-wrap: wrap;
  row-gap: 10px;
  align-items: center;
  gap: 16px 22px;
  padding: 14px 20px;
  max-width: 1320px;
  margin: 0 auto;
}

.header__nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
}

.header__nav a {
  font-weight: 600;
  font-size: .95rem;
  color: var(--ink);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}

.header__nav a:hover {
  color: var(--green-dark);
  border-color: var(--green);
}

.header__phone {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  white-space: nowrap;
  gap: 8px;
  background: var(--black);
  color: var(--white);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  padding: 10px 16px;
  border-radius: 10px;
  transition: transform .18s ease, box-shadow .18s ease;
}

.header__phone:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .28);
}

.header__phone svg { fill: var(--green); }

.header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle span::before { transform: translateY(-7px); }
.nav-toggle span::after { transform: translateY(5px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: var(--white);
  overflow: hidden;
  background: radial-gradient(circle at 100% 0%, rgba(124, 179, 66, .35), transparent 60%), var(--black);
}

/* Фото-банер вмикаємо лише на справді широких екранах: тільки там
   гарантовано лишається достатньо темного простору зліва для тексту,
   щоб він не наліз на світлий корпус інвертора. На вужчих -
   фірмовий чорно-зелений градієнт без фото. */
@media (min-width: 1180px) {
  .hero {
    background:
      linear-gradient(90deg, rgba(0, 0, 0, .68) 0, rgba(0, 0, 0, .68) 660px, rgba(0, 0, 0, .2) 900px, rgba(0, 0, 0, 0) 1080px),
      url("images/hero-banner.png") right center / cover no-repeat,
      var(--black);
  }
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 620px;
  padding: 90px 0 96px;
}

/* Каскадна поява елементів hero при завантаженні сторінки */
@keyframes flyIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

.hero__inner > * {
  opacity: 0;
  animation: flyIn .7s cubic-bezier(.2, .7, .3, 1) forwards;
}

.hero__inner > .eyebrow { animation-delay: .05s; }
.hero__inner > h1 { animation-delay: .16s; }
.hero__inner > .hero__tagline { animation-delay: .3s; }
.hero__inner > .hero__phone { animation-delay: .42s; }
.hero__inner > .hero__address { animation-delay: .52s; }
.hero__inner > .hero__cta { animation-delay: .62s; }

.hero h1 span { color: var(--green); }

.hero__tagline {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: #d7dbd2;
  margin: 12px 0 26px;
}

.hero__phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.hero__phone svg { fill: var(--green); width: 30px; height: 30px; }

.hero__address {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #b9bfb2;
  font-size: .98rem;
  margin-bottom: 30px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Категорії ---------- */
.cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.cat {
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.cat:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--green-light);
}

.cat__icon {
  width: 84px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: rgba(124, 179, 66, .14);
  margin-bottom: 18px;
  transition: transform .2s ease, background .2s ease;
}

.cat:hover .cat__icon {
  transform: scale(1.06) rotate(-2deg);
  background: rgba(124, 179, 66, .22);
}

.cat__icon svg { width: 50px; height: 50px; }

.cat p {
  margin: 0;
  color: var(--gray-text);
  font-size: .95rem;
}

/* ---------- Сітка товарів ---------- */
.grid-products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--green-light);
}

.card__media {
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  background: var(--gray-bg);
  margin: -22px -22px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 14px;
  transition: transform .3s ease;
}

.card:hover .card__media img {
  transform: scale(1.06);
}

.card__badge {
  align-self: flex-start;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: rgba(124, 179, 66, .14);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 10px;
}

.card__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  font-size: .88rem;
  color: var(--gray-text);
}

.card__specs li {
  padding: 3px 0;
  border-bottom: 1px dashed var(--gray-line);
}

.card__specs li:last-child { border-bottom: 0; }

.card__foot {
  margin-top: auto;
}

.card__price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 12px;
}

.card__price span {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-text);
}

/* ---------- CTA «Стати партнером» ---------- */
.partner-banner {
  background: var(--black);
  color: var(--white);
  padding: 46px 0;
}

.partner-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  flex-wrap: wrap;
}

.partner-banner h2 {
  color: var(--white);
  margin-bottom: 6px;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
}

.partner-banner p {
  margin: 0;
  color: #d7dbd2;
  max-width: 520px;
}

/* ---------- Бренди ---------- */
.brands {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 24px;
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.brand:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: var(--shadow);
  border-color: var(--green-light);
}

.brand img {
  max-width: 100%;
  max-height: 42px;
  width: auto;
  height: auto;
  object-fit: contain;
}

@media (max-width: 700px) {
  .brands { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Контакти ---------- */
.contacts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contacts__info p {
  margin: 0 0 14px;
}

.contacts__info .label {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 2px;
}

.contacts__info .big {
  font-size: 1.5rem;
  font-weight: 800;
}

.map {
  margin-top: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-line);
  height: 260px;
  background: var(--gray-bg);
}

.map iframe { display: block; }

.map__link {
  display: inline-block;
  margin-top: 10px;
  font-weight: 700;
  font-size: .9rem;
  color: var(--green-dark);
  transition: color .15s ease;
}

.map__link:hover { color: var(--green); }

/* ---------- Форми ---------- */
.form {
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 26px;
}

.section--alt .form { box-shadow: var(--shadow); }

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 6px;
}

.field .hint {
  display: block;
  font-weight: 400;
  font-size: .8rem;
  color: var(--gray-text);
  margin-top: 2px;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="url"],
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: .95rem;
  padding: 11px 13px;
  border: 1px solid var(--gray-line);
  border-radius: 10px;
  background: var(--gray-bg);
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(124, 179, 66, .18);
}

.field textarea { min-height: 110px; resize: vertical; }

.field--req label::after {
  content: " *";
  color: var(--green-dark);
  font-weight: 800;
}

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 4px;
}

.choices label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 400;
  font-size: .92rem;
  margin: 0;
  cursor: pointer;
}

.choices input { accent-color: var(--green); width: 16px; height: 16px; }

.form__note {
  font-size: .82rem;
  color: var(--gray-text);
  margin: 4px 0 0;
}

.form-status {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 600;
  display: none;
}

.form-status.is-visible { display: block; }

.form-status--ok {
  background: rgba(124, 179, 66, .16);
  color: var(--green-dark);
  border: 1px solid var(--green-light);
}

.form-status--err {
  background: rgba(200, 60, 40, .12);
  color: #b23b28;
  border: 1px solid rgba(200, 60, 40, .4);
}

/* ---------- Футер ---------- */
.footer {
  background: var(--black);
  color: #c7ccc0;
  padding: 46px 0 26px;
}

.footer__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: space-between;
  margin-bottom: 30px;
}

.footer__col h4 {
  color: var(--white);
  font-size: .95rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.footer__col a { display: block; padding: 4px 0; font-size: .92rem; }
.footer__col a:hover { color: var(--green-light); }

.footer__phone {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
}

.footer__bottom {
  border-top: 1px solid #2a2a2a;
  padding-top: 20px;
  font-size: .85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
}

/* ---------- Сторінка «Співпраця» ---------- */
.page-hero {
  background: var(--black);
  color: var(--white);
  padding: 66px 0;
}

.page-hero .eyebrow { color: var(--green-light); }

.page-hero p {
  max-width: 640px;
  color: #d7dbd2;
  margin: 10px 0 0;
}

.partner-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.partner-perks {
  list-style: none;
  padding: 0;
  margin: 0;
}

.partner-perks li {
  position: relative;
  padding: 12px 0 12px 34px;
  border-bottom: 1px solid var(--gray-line);
  font-size: .95rem;
}

.partner-perks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: inset 0 0 0 4px rgba(255, 255, 255, .85);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---------- Адаптив ---------- */
@media (max-width: 960px) {
  .contacts { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr; }
  .cats { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .header__nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-line);
    padding: 8px 20px 16px;
    display: none;
  }

  .header__nav.is-open { display: flex; }

  .header__nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-line);
  }

  .header__bar { flex-wrap: wrap; }
  .nav-toggle { display: block; margin-left: auto; }
  .header__actions { order: 3; }
}

@media (max-width: 560px) {
  .section { padding: 52px 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .header__phone { font-size: 1rem; }
  .btn--ghost.header__contact-btn { display: none; }
}

/* ---------- Юридичні сторінки ---------- */
.legal {
  max-width: 820px;
  margin: 0 auto;
}

.legal > p.legal__updated {
  color: var(--gray-text);
  font-size: .9rem;
  margin-top: 0;
}

.legal h2 {
  font-size: 1.25rem;
  margin: 34px 0 10px;
}

.legal h2:first-of-type { margin-top: 8px; }

.legal p,
.legal li {
  font-size: .98rem;
}

.legal ul {
  padding-left: 22px;
  margin: 10px 0;
}

.legal li { margin: 6px 0; }

.legal a {
  color: var(--green-dark);
  text-decoration: underline;
}