/* ============================================================
   ООО «РЕСУРС» — оптовая поставка топлива и нефтепродуктов
   Общие стили сайта
   ============================================================ */

:root {
  --purple:       #352a52;
  --purple-2:     #362a52;
  --purple-dark:  #191030;
  --purple-3:     #31264c;
  --green:        #25c771;
  --green-2:      #30cc69;
  --green-dark:   #059649;
  --white:        #ffffff;
  --bg:           #f7f7fa;
  --border:       #e9e9f1;
  --muted:        #7b7b7b;
  --muted-2:      #7d7f81;
  --ink:          #222427;

  --radius:       20px;
  --radius-sm:    12px;
  --radius-btn:   8px;

  --maxw:         1200px;
  --gut:          20px;

  --font: 'TildaSans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.15; color: var(--purple); }

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

.section { padding: 70px 0; }
.section--tight { padding: 45px 0; }
.section--gray { background: var(--bg); }

.section__title {
  font-size: 40px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.section__title--normal { text-transform: none; }
.section__lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 780px;
  margin: 0 0 38px;
}
.section__head { margin-bottom: 40px; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn--green { background: var(--green); color: var(--white); }
.btn--green:hover { background: var(--green-dark); }
.btn--purple { background: var(--purple); color: var(--white); }
.btn--purple:hover { background: var(--purple-dark); }
.btn--ghost { background: transparent; color: var(--white); border-color: var(--white); }
.btn--ghost:hover { background: var(--white); color: var(--purple); }
.btn--outline { background: transparent; color: var(--purple); border-color: var(--border); }
.btn--outline:hover { border-color: var(--purple); }
.btn--sm { padding: 10px 20px; font-size: 13px; }
.btn--block { width: 100%; }

/* ============================================================
   ШАПКА
   ============================================================ */
.topbar {
  background: var(--purple);
  color: rgba(255,255,255,.8);
  font-size: 13px;
}
.topbar__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 42px;
}
.topbar__tag { letter-spacing: .02em; }
.topbar__right { display: flex; align-items: center; gap: 22px; }
.topbar__phone {
  color: var(--white);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}
.topbar__phone:hover { color: var(--green); }

.header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.header__in {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 78px;
}
.header__logo { flex: 0 0 auto; }
.header__logo img { width: 170px; height: auto; }

.nav { flex: 1 1 auto; min-width: 0; }
.nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px 18px;
}
.nav__cta { display: none; }
.nav__link {
  display: inline-block;
  padding: 6px 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--purple);
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.nav__link:hover { color: var(--green); }
.nav__link.is-active { border-color: var(--green); color: var(--green); }

.header__actions { flex: 0 0 auto; display: flex; align-items: center; gap: 14px; }

.burger {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  cursor: pointer;
}
.burger span {
  display: block;
  width: 20px; height: 2px;
  margin: 4px auto;
  background: var(--purple);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   ГЕРОЙ
   ============================================================ */
.hero { padding: 40px 0 20px; }
.hero__card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 30px;
  background: var(--purple-2);
  border-radius: 28px;
  padding: 64px 60px;
  color: var(--white);
}
.hero__title {
  color: var(--white);
  font-size: 52px;
  line-height: 1.08;
  margin-bottom: 22px;
}
.hero__text {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255,255,255,.78);
  max-width: 520px;
  margin: 0 0 32px;
  text-transform: uppercase;
  letter-spacing: .01em;
}
.hero__media { position: relative; }
.hero__media img { width: 100%; height: auto; }

/* Хлебные крошки + шапка внутренней страницы */
.pagehead { padding: 34px 0 10px; }
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}
.crumbs a:hover { color: var(--green); }
.crumbs__sep { opacity: .5; }
.pagehead__title { font-size: 44px; margin-bottom: 16px; }
.pagehead__lead { font-size: 17px; color: var(--muted); max-width: 860px; }

/* ============================================================
   СЕТКА УСЛУГ (бенто)
   ============================================================ */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.scard {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 26px;
  min-height: 210px;
  padding: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
}
.scard:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(53,42,82,.10); }
.scard__icon { width: 46px; height: 46px; object-fit: contain; }
.scard__title { font-size: 20px; line-height: 1.2; margin-bottom: 8px; }
.scard__text { font-size: 14px; color: var(--muted); margin: 0; }
.scard__arrow { width: 22px; height: 22px; opacity: .5; }

.scard--wide { grid-column: span 2; }
.scard--accent { background: var(--purple-2); border-color: var(--purple-2); }
.scard--accent .scard__title { color: var(--white); }
.scard--accent .scard__text { color: rgba(255,255,255,.7); }
.scard--accent .scard__arrow { filter: brightness(0) invert(1); }
.scard--green { background: var(--green); border-color: var(--green); }
.scard--green .scard__title { color: var(--white); }
.scard--green .scard__text { color: rgba(255,255,255,.85); }
.scard--green .scard__arrow { filter: brightness(0) invert(1); }
.scard__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }

/* ============================================================
   КАЛЬКУЛЯТОР ДОСТАВКИ
   ============================================================ */
.calc { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; align-items: start; }

.calc__box {
  background: var(--purple-2);
  border-radius: var(--radius);
  padding: 40px;
  color: var(--white);
}
.calc__title { color: var(--white); font-size: 32px; margin-bottom: 10px; }
.calc__lead { font-size: 15px; color: rgba(255,255,255,.72); margin: 0 0 30px; max-width: 560px; }

.calc__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.calc__field { display: flex; flex-direction: column; gap: 10px; }
.calc__step {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,.72);
}
.calc__num {
  flex: 0 0 auto;
  width: 24px; height: 24px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-size: 12px; font-weight: 700;
}
.calc__input,
.calc__select {
  width: 100%;
  padding: 13px 14px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--white);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius-btn);
  outline: none;
}
.calc__input::placeholder { color: rgba(255,255,255,.45); }
.calc__input:focus, .calc__select:focus { border-color: var(--green); }
.calc__select option { color: var(--ink); background: var(--white); }

.calc__range { display: flex; flex-direction: column; gap: 8px; }
.calc__range input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px;
  background: rgba(255,255,255,.25);
  border-radius: 4px; outline: none;
}
.calc__range input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green); border: 3px solid var(--white); cursor: pointer;
}
.calc__range input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green); border: 3px solid var(--white); cursor: pointer;
}
.calc__val { font-size: 15px; font-weight: 700; color: var(--white); }

.calc__result {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.15);
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 24px;
  align-items: end;
}
.calc__rlabel { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 6px; }
.calc__rvalue { font-size: 26px; font-weight: 700; color: var(--green); line-height: 1.1; white-space: nowrap; }
.calc__rvalue--sm { font-size: 20px; color: var(--white); }
.calc__note {
  margin: 22px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,.5);
}

.calc__side { display: grid; gap: 20px; }
.fcard {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.fcard__kicker {
  font-size: 12px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--green); margin-bottom: 8px;
}
.fcard__title { font-size: 19px; margin-bottom: 8px; }
.fcard__text { font-size: 14px; color: var(--muted); margin: 0; }

/* ============================================================
   КАРТОЧКИ ЦЕН НА ТОПЛИВО
   ============================================================ */
.prices { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.pcard {
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pcard:hover {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: 0 14px 30px rgba(53,42,82,.10);
}
.pcard__icon { width: 54px; height: 54px; object-fit: contain; margin-bottom: 16px; }
.pcard__kind {
  font-size: 12px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 2px;
}
.pcard__name {
  font-size: 20px; font-weight: 700; color: var(--purple);
  line-height: 1.15; margin-bottom: 16px; min-height: 46px;
}
.pcard__price { margin-top: auto; }
.pcard__ton { font-size: 19px; font-weight: 700; color: var(--purple); white-space: nowrap; }
.pcard__liter { font-size: 14px; color: var(--green); font-weight: 700; margin-top: 2px; }
.pcard__btn { margin-top: 18px; }

/* ============================================================
   ПОДПИСКА
   ============================================================ */
.subscribe {
  background: var(--purple-dark);
  border-radius: var(--radius);
  padding: 46px 50px;
  color: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}
.subscribe__title { color: var(--white); font-size: 30px; margin-bottom: 10px; }
.subscribe__text { font-size: 15px; color: rgba(255,255,255,.65); margin: 0; }
.subscribe__form { display: flex; gap: 12px; }
.subscribe__input {
  flex: 1 1 auto;
  padding: 15px 16px;
  font-family: var(--font); font-size: 14px;
  color: var(--white);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius-btn);
  outline: none;
}
.subscribe__input::placeholder { color: rgba(255,255,255,.45); }
.subscribe__input:focus { border-color: var(--green); }
.subscribe__note { font-size: 12px; color: rgba(255,255,255,.4); margin: 14px 0 0; }

/* ============================================================
   О КОМПАНИИ + ЦИФРЫ
   ============================================================ */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: start; }
.about__text p { font-size: 15px; color: var(--muted); margin: 0 0 16px; }
.about__text p:first-child { font-size: 18px; color: var(--ink); font-weight: 600; }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.stat--accent { background: var(--purple-2); border-color: var(--purple-2); }
.stat--accent .stat__num { color: var(--green); }
.stat--accent .stat__text { color: rgba(255,255,255,.72); }
.stat__num { font-size: 38px; font-weight: 700; color: var(--purple); line-height: 1; margin-bottom: 8px; }
.stat__text { font-size: 14px; color: var(--muted); }

.banks { display: flex; flex-wrap: wrap; align-items: center; gap: 30px; margin-top: 26px; }
.banks img { height: 30px; width: auto; object-fit: contain; opacity: .75; }

/* ---------- Партнёры ---------- */
.partners {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 20px;
  align-items: center;
}
.partners img {
  width: 100%; max-height: 56px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: .65;
  transition: filter .25s ease, opacity .25s ease;
}
.partners img:hover { filter: none; opacity: 1; }

/* ============================================================
   ПРЕИМУЩЕСТВА
   ============================================================ */
.why { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; align-items: start; }
.why__media img { width: 100%; border-radius: var(--radius); }
.why__title { font-size: 40px; margin-bottom: 30px; }
.why__title em { font-style: normal; color: var(--green); }
.why__list { display: grid; gap: 16px; }
.why__item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px 24px;
}
.why__name {
  font-size: 15px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; color: var(--green); margin-bottom: 8px;
}
.why__text { font-size: 14px; color: var(--muted); margin: 0; }

/* ============================================================
   ЭТАПЫ ЗАКАЗА
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
}
.step__num {
  font-size: 13px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--green); margin-bottom: 12px;
}
.step__text { font-size: 15px; color: var(--ink); margin: 0; }

/* ============================================================
   ОТЗЫВЫ
   ============================================================ */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
}
.review__text { font-size: 14px; color: var(--muted); margin: 0 0 22px; }
.review__author { display: flex; align-items: center; gap: 14px; margin-top: auto; }
.review__photo { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.review__name { font-size: 15px; font-weight: 700; color: var(--purple); }
.review__role { font-size: 13px; color: var(--muted); }

/* ============================================================
   ТЕКСТОВЫЙ БЛОК / SEO
   ============================================================ */
.prose { max-width: 900px; }
.prose h2 { font-size: 30px; margin: 34px 0 14px; }
.prose h3 { font-size: 22px; margin: 28px 0 12px; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose p { font-size: 15px; color: var(--muted); margin: 0 0 16px; }
.prose ul { margin: 0 0 18px; display: grid; gap: 9px; }
.prose ul li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  color: var(--muted);
}
.prose ul li::before {
  content: '';
  position: absolute;
  left: 4px; top: 9px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
}
.prose--wide { max-width: none; }
.prose--cols { column-count: 2; column-gap: 46px; }

/* ============================================================
   КОНТАКТЫ
   ============================================================ */
.contacts { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: start; }
.contacts__list { display: grid; gap: 18px; }
.cline {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px 24px;
}
.cline__ico {
  flex: 0 0 auto;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--purple-2);
  color: var(--green);
  font-size: 17px;
}
.cline__label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 4px; }
.cline__value { font-size: 19px; font-weight: 700; color: var(--purple); }
.cline__value a:hover { color: var(--green); }
.cline__sub { font-size: 13px; color: var(--muted); margin-top: 4px; }

.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.map iframe { display: block; width: 100%; height: 440px; border: 0; }

.callout {
  background: var(--purple-2);
  border-radius: var(--radius);
  padding: 40px 44px;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.callout__title { color: var(--white); font-size: 28px; margin-bottom: 8px; }
.callout__text { font-size: 15px; color: rgba(255,255,255,.7); margin: 0; max-width: 620px; }

/* ---------- Форма обратной связи ---------- */
.form { display: grid; gap: 14px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form__input, .form__select, .form__textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font); font-size: 14px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  outline: none;
}
.form__input:focus, .form__select:focus, .form__textarea:focus { border-color: var(--green); }
.form__textarea { min-height: 110px; resize: vertical; }
.form__note { font-size: 12px; color: var(--muted); margin: 0; }
.form__ok {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius-btn);
  background: rgba(37,199,113,.12);
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 600;
}
.form__ok.is-visible { display: block; }

/* ============================================================
   ПОДВАЛ
   ============================================================ */
.footer {
  background: var(--purple-dark);
  color: rgba(255,255,255,.65);
  padding: 62px 0 28px;
  font-size: 14px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__title {
  color: var(--white);
  font-size: 17px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 20px;
}
.footer__logo img { width: 170px; margin-bottom: 20px; }
.footer__contacts { display: grid; gap: 14px; }
.footer__phone { color: var(--white); font-size: 22px; font-weight: 700; }
.footer__phone:hover { color: var(--green); }
.footer__mail { color: var(--white); font-size: 16px; font-weight: 600; }
.footer__mail:hover { color: var(--green); }
.footer__links { display: grid; gap: 10px; }
.footer__links a:hover { color: var(--green); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 30px;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer__bottom a:hover { color: var(--green); }
.footer__cfa { display: grid; gap: 4px; text-align: right; }

/* ============================================================
   МОДАЛЬНОЕ ОКНО «ЗАКАЗАТЬ ТОПЛИВО»
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(25,16,48,.72);
}
.modal.is-open { display: flex; }
.modal__box {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
}
.modal__close {
  position: absolute;
  top: 16px; right: 16px;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 0; border-radius: 50%;
  background: var(--bg);
  color: var(--purple);
  font-size: 20px; line-height: 1;
  cursor: pointer;
}
.modal__close:hover { background: var(--border); }
.modal__title { font-size: 26px; margin-bottom: 10px; }
.modal__text { font-size: 14px; color: var(--muted); margin: 0 0 24px; }

/* ============================================================
   АДАПТИВНОСТЬ
   ============================================================ */
@media screen and (max-width: 1199px) {
  .section__title, .why__title { font-size: 34px; }
  .hero__title { font-size: 42px; }
  .hero__card { padding: 48px 42px; }
  .pagehead__title { font-size: 36px; }
  .services { grid-template-columns: repeat(3, 1fr); }
  .prices { grid-template-columns: repeat(4, 1fr); }
  .nav__list { gap: 4px 16px; }
  .nav__link { font-size: 12px; }
  .header__logo img { width: 140px; }
}

@media screen and (max-width: 959px) {
  .section { padding: 54px 0; }
  .header__in { min-height: 66px; gap: 16px; }
  .header__actions { margin-left: auto; }
  .burger { display: block; }
  .header__actions .btn { display: none; }

  .nav {
    position: absolute;
    left: 0; right: 0; top: 100%;
    display: none;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 34px rgba(53,42,82,.12);
    padding: 14px var(--gut) 22px;
  }
  .nav.is-open { display: block; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link {
    display: block;
    padding: 13px 0;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
  }
  .nav__link.is-active { border-color: var(--green); }
  .nav__cta { display: block; margin-top: 16px; }

  .hero__card { grid-template-columns: 1fr; padding: 40px 30px; }
  .hero__media { order: -1; max-width: 380px; }
  .hero__title { font-size: 36px; }

  .calc { grid-template-columns: 1fr; }
  .calc__box { padding: 30px; }
  .calc__title { font-size: 26px; }
  .calc__side { grid-template-columns: repeat(3, 1fr); }

  .about, .why, .contacts { grid-template-columns: 1fr; gap: 32px; }
  .why__media { max-width: 460px; }
  .subscribe { grid-template-columns: 1fr; padding: 34px 30px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .reviews { grid-template-columns: 1fr; }
  .partners { grid-template-columns: repeat(3, 1fr); }
  .prose--cols { column-count: 1; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media screen and (max-width: 639px) {
  :root { --gut: 16px; }
  .section { padding: 42px 0; }
  .section__title, .why__title { font-size: 27px; }
  .section__lead { font-size: 15px; margin-bottom: 28px; }
  .pagehead__title { font-size: 28px; }
  .pagehead__lead { font-size: 15px; }

  .topbar__tag { display: none; }
  .topbar__in { justify-content: center; }

  .hero { padding: 24px 0 10px; }
  .hero__card { padding: 30px 22px; border-radius: 20px; }
  .hero__title { font-size: 28px; }
  .hero__text { font-size: 14px; margin-bottom: 24px; }

  .services { grid-template-columns: 1fr; }
  .scard--wide { grid-column: span 1; }
  .scard { min-height: 0; padding: 24px; gap: 18px; }

  .prices { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pcard { padding: 18px 16px; }
  .pcard__icon { width: 42px; height: 42px; }
  .pcard__name { font-size: 16px; min-height: 40px; }
  .pcard__ton { font-size: 17px; }

  .calc__grid { grid-template-columns: 1fr; gap: 18px; }
  .calc__result { grid-template-columns: 1fr; gap: 16px; }
  .calc__side { grid-template-columns: 1fr; }
  .calc__box { padding: 24px 20px; }

  .stats { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .partners { grid-template-columns: repeat(2, 1fr); }

  .subscribe__form { flex-direction: column; }
  .subscribe__title { font-size: 24px; }

  .callout { padding: 28px 22px; }
  .callout__title { font-size: 22px; }

  .form__row { grid-template-columns: 1fr; }
  .modal__box { padding: 30px 22px; }
  .modal__title { font-size: 22px; }

  .map iframe { height: 320px; }

  .footer { padding: 44px 0 24px; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__cfa { text-align: left; }
}