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

:root {
  --green: #2e7d32;
  --green-light: #43a047;
  --green-dark: #1b5e20;
  --orange: #e65100;
  --orange-light: #ff6d00;
  --gray-bg: #f5f5f5;
  --gray-border: #e0e0e0;
  --text: #212121;
  --text-muted: #616161;
  --white: #ffffff;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,.10);
  --shadow-lg: 0 6px 28px rgba(0,0,0,.14);
  --font: 'Roboto', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-dark); }
ul { list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-align: center;
  transition: background .2s, transform .15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--orange);
  color: var(--white);
}
.btn-primary:hover { background: var(--orange-light); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover { background: rgba(255,255,255,.12); color: var(--white); }
.btn-green {
  background: var(--green);
  color: var(--white);
}
.btn-green:hover { background: var(--green-dark); color: var(--white); }
.btn-lg { padding: 18px 42px; font-size: 18px; }
.btn-block { display: block; width: 100%; }

/* ===== HEADER ===== */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.header__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}
.header__logo-name {
  font-size: 20px;
  font-weight: 900;
  color: var(--green);
  letter-spacing: -.5px;
}
.header__logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.header__nav { display: flex; gap: 24px; }
.header__nav a {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}
.header__nav a:hover { color: var(--green); }
.header__contacts { display: flex; flex-direction: column; align-items: flex-end; }
.header__phone {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .5px;
}
.header__phone:hover { color: var(--green); }
.header__schedule {
  font-size: 12px;
  color: var(--text-muted);
}
.header__cta { margin-left: 8px; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 60%, var(--green-light) 100%);
  color: var(--white);
  padding: 72px 0 56px;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: center;
}
.hero__badge {
  display: inline-block;
  background: rgba(255,255,255,.18);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: .3px;
}
.hero__title {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -.5px;
}
.hero__title span { color: #ffcc02; }
.hero__desc {
  font-size: 18px;
  opacity: .9;
  margin-bottom: 28px;
  line-height: 1.55;
}
.hero__features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.hero__feature {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.15);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
}
.hero__feature::before {
  content: '✓';
  font-weight: 900;
  color: #ffcc02;
}
.hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* FORM CARD */
.form-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
  color: var(--text);
}
.form-card__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--green-dark);
}
.form-card__sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 5px;
  color: var(--text-muted);
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: var(--font);
  transition: border-color .2s;
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green);
}
.form-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.4;
}

/* ===== SECTION TITLES ===== */
.section { padding: 64px 0; }
.section--gray { background: var(--gray-bg); }
.section__title {
  font-size: 32px;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -.3px;
}
.section__sub {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* ===== CONTAINERS / PRICES ===== */
.containers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.container-card {
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: 12px;
  padding: 28px 24px 24px;
  transition: box-shadow .2s, border-color .2s;
  position: relative;
}
.container-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--green-light);
}
.container-card--popular {
  border-color: var(--green);
  box-shadow: 0 0 0 2px var(--green);
}
.container-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 10px;
  white-space: nowrap;
}
.container-card__volume {
  font-size: 36px;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
}
.container-card__unit {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.container-card__name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
}
.container-card__features {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}
.container-card__features li::before {
  content: '— ';
  color: var(--green-light);
}
.container-card__price {
  font-size: 26px;
  font-weight: 900;
  color: var(--orange);
  margin-bottom: 16px;
}
.container-card__price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

/* ===== HOW IT WORKS ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.step {
  text-align: center;
  position: relative;
}
.step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-size: 22px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step__title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== ADVANTAGES ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.advantage {
  background: var(--white);
  border-radius: 12px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.advantage__icon {
  font-size: 36px;
  margin-bottom: 14px;
}
.advantage__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.advantage__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== STATS ===== */
.stats {
  background: var(--green-dark);
  color: var(--white);
  padding: 48px 0;
}
.stats__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat__num {
  font-size: 42px;
  font-weight: 900;
  color: #ffcc02;
  line-height: 1;
  margin-bottom: 6px;
}
.stat__label {
  font-size: 15px;
  opacity: .85;
}

/* ===== FAQ ===== */
.faq { display: flex; flex-direction: column; gap: 10px; }
.faq__item {
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq__question {
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--white);
  transition: background .15s;
}
.faq__question:hover { background: #f9f9f9; }
.faq__question::after { content: '+'; font-size: 22px; color: var(--green); flex-shrink: 0; }
.faq__item.open .faq__question::after { content: '−'; }
.faq__answer {
  padding: 0 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s;
}
.faq__item.open .faq__answer {
  max-height: 400px;
  padding: 0 20px 18px;
}

/* ===== REVIEWS ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review {
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: 12px;
  padding: 24px;
}
.review__stars { color: #f9a825; font-size: 18px; margin-bottom: 10px; }
.review__text { font-size: 14px; color: var(--text); line-height: 1.6; margin-bottom: 14px; }
.review__author { font-size: 13px; font-weight: 700; }
.review__date { font-size: 12px; color: var(--text-muted); }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-light) 100%);
  color: var(--white);
  padding: 64px 0;
  text-align: center;
}
.cta-banner__title {
  font-size: 34px;
  font-weight: 900;
  margin-bottom: 12px;
}
.cta-banner__sub {
  font-size: 18px;
  opacity: .9;
  margin-bottom: 32px;
}
.cta-banner__btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.footer {
  background: #1a1a1a;
  color: #ccc;
  padding: 48px 0 24px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer__logo-name {
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 10px;
}
.footer__desc {
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 16px;
}
.footer__phone {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  display: block;
  margin-bottom: 4px;
}
.footer__schedule { font-size: 12px; }
.footer__col-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.footer__links { display: flex; flex-direction: column; gap: 8px; }
.footer__links a { font-size: 13px; color: #aaa; }
.footer__links a:hover { color: var(--white); }
.footer__bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  gap: 20px;
  flex-wrap: wrap;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
  background: var(--gray-bg);
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-border);
}
.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumbs__list li + li::before { content: '›'; margin-right: 6px; }
.breadcrumbs__list a { color: var(--green); }

/* ===== INNER PAGE LAYOUT ===== */
.page-header {
  background: linear-gradient(120deg, var(--green-dark), var(--green));
  color: var(--white);
  padding: 48px 0 40px;
}
.page-header__title {
  font-size: 36px;
  font-weight: 900;
  margin-bottom: 10px;
  letter-spacing: -.3px;
}
.page-header__sub {
  font-size: 16px;
  opacity: .85;
}

.inner-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  padding: 48px 0 64px;
}
.inner-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 32px 0 14px;
  color: var(--green-dark);
}
.inner-content h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 24px 0 10px;
}
.inner-content p {
  margin-bottom: 16px;
  line-height: 1.7;
  color: var(--text);
}
.inner-content ul, .inner-content ol {
  margin: 0 0 16px 20px;
}
.inner-content ul { list-style: disc; }
.inner-content ol { list-style: decimal; }
.inner-content li {
  margin-bottom: 6px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}
.inner-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 14px;
}
.inner-content th, .inner-content td {
  border: 1px solid var(--gray-border);
  padding: 10px 14px;
  text-align: left;
}
.inner-content th {
  background: var(--gray-bg);
  font-weight: 700;
}
.inner-content tr:hover td { background: #fafafa; }

.inner-sidebar { display: flex; flex-direction: column; gap: 24px; }

.sidebar-card {
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.sidebar-card--green {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}
.sidebar-card__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 14px;
}
.sidebar-card--green .sidebar-card__title { color: var(--white); }
.sidebar-prices { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.sidebar-price {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-border);
}
.sidebar-price__val {
  font-weight: 700;
  color: var(--orange);
  font-size: 15px;
}

/* ===== AREAS ===== */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.area-link {
  display: block;
  background: var(--gray-bg);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text);
  text-align: center;
  transition: background .15s, border-color .15s;
}
.area-link:hover {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

/* ===== MOBILE ===== */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .form-card { display: none; }
  .containers-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .stats__inner { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .inner-layout { grid-template-columns: 1fr; }
  .inner-sidebar { display: none; }
  .areas-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .header__nav { display: none; }
  .header__cta { display: none; }
  .hero { padding: 48px 0 40px; }
  .hero__title { font-size: 28px; }
  .hero__desc { font-size: 15px; }
  .section { padding: 40px 0; }
  .section__title { font-size: 24px; }
  .containers-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: 1fr; }
  .stats__inner { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr; gap: 24px; }
  .cta-banner__title { font-size: 24px; }
  .areas-grid { grid-template-columns: repeat(2, 1fr); }
  .page-header__title { font-size: 26px; }
}