/* === Сброс === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: Arial, Helvetica, sans-serif; line-height: 1.5; color: #1a1a1a; background: #fff; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }

/* === Переменные === */
:root {
  --color-primary:       #D32F2F;
  --color-primary-dark:  #A81F1F;
  --color-primary-light: #FFEBEE;
  --color-text:          #1a1a1a;
  --color-muted:         #666666;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f7f7f7;
  --color-border:        #e5e5e5;
  --radius:              8px;
  --container:           1200px;
  --header-h:            80px;
}

/* === Контейнер === */
.container { max-width: var(--container); margin: 0 auto; padding: 0 16px; }

/* === Кнопки === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  transition: background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover { background: var(--color-primary); color: #fff; }
.btn--ghost {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header__logo img { height: 44px; width: auto; }

.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.header__logo-name {
  font-weight: 800;
  font-size: 17px;
  color: var(--color-text);
  letter-spacing: .3px;
  margin-bottom: 2px;
}
.header__logo-tagline {
  font-size: 11px;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: .3px;
}

.header__nav { display: flex; gap: 24px; }
.header__nav a { font-size: 15px; color: var(--color-text); transition: color .2s; }
.header__nav a:hover { color: var(--color-primary); }

.header__right { display: flex; align-items: center; gap: 16px; }
.header__phone { font-weight: 700; font-size: 16px; color: var(--color-text); white-space: nowrap; }
.header__phone:hover { color: var(--color-primary); }

.header__burger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.header__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform .2s, opacity .2s;
}
.header__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger.is-open span:nth-child(2) { opacity: 0; }
.header__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero { background: var(--color-bg-alt); overflow: hidden; }
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 80px 16px 96px;
  max-width: var(--container);
  margin: 0 auto;
}
.hero__content { max-width: 100%; }
.hero__title {
  font-size: 40px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 20px;
}
.hero__title span { color: var(--color-primary); }
.hero__subtitle { font-size: 18px; color: var(--color-muted); margin-bottom: 28px; }
.hero__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  margin-bottom: 32px;
}
.hero__list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  color: var(--color-text);
}
.hero__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: inset 0 0 0 3px #fff, 0 0 0 1px var(--color-primary);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero__media { position: relative; }
.hero__media img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(0, 0, 0, .12);
}

/* ============ SECTION ============ */
.section { padding: 72px 0; }
.section--alt { background: var(--color-bg-alt); }
.section__head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section__title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 12px;
}
.section__subtitle { font-size: 16px; color: var(--color-muted); }

/* ============ SERVICES ============ */
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.services__grid--single { display: block; }
.service-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(211, 47, 47, .12);
  transform: translateY(-2px);
}
.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.service-card__title { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--color-text); }
.service-card__list { margin-bottom: 20px; flex-grow: 1; }
.service-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.service-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.service-card__btn { align-self: flex-start; }

.service-card--wide {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  padding: 40px;
}
.service-card--wide .service-card__intro { border-right: 1px solid var(--color-border); padding-right: 40px; }
.service-card--wide .service-card__icon { width: 64px; height: 64px; font-size: 32px; margin-bottom: 20px; }
.service-card--wide .service-card__title { font-size: 24px; margin-bottom: 16px; }
.service-card--wide .service-card__desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
  line-height: 1.55;
}
.service-card--wide .service-card__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 32px;
  margin-bottom: 0;
}
.service-card--wide .service-card__list li { font-size: 15px; margin-bottom: 0; }

/* ============ ADVANTAGES ============ */
.advantages__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adv-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .2s, box-shadow .2s;
}
.adv-card:hover { border-color: var(--color-primary); box-shadow: 0 8px 24px rgba(211, 47, 47, .10); }
.adv-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.adv-card__title { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--color-text); }
.adv-card__text { font-size: 15px; color: var(--color-muted); line-height: 1.5; }

/* ============ PORTFOLIO ============ */
.portfolio__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.portfolio-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(211, 47, 47, .12);
  transform: translateY(-2px);
}
.portfolio-card__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #eee;
}
.portfolio-card__caption {
  padding: 16px 20px 20px;
  font-size: 15px;
  line-height: 1.45;
  color: var(--color-text);
  flex-grow: 1;
}
.portfolio-card__caption strong { color: var(--color-primary); font-weight: 700; margin-right: 4px; }

/* ============ PROCESS ============ */
.process__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.process-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 20px 24px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.process-step:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(211, 47, 47, .12);
  transform: translateY(-2px);
}
.process-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 16px;
}
.process-step__title { font-size: 17px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; line-height: 1.3; }
.process-step__text { font-size: 14px; color: var(--color-muted); line-height: 1.5; }

/* ============ FAQ ============ */
.faq { max-width: 860px; margin: 0 auto; }
.faq__item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq__item[open] { border-color: var(--color-primary); box-shadow: 0 8px 24px rgba(211, 47, 47, .10); }
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 56px 20px 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  user-select: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s;
}
.faq__item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq__answer { padding: 0 24px 22px; font-size: 15px; line-height: 1.6; color: var(--color-muted); }

/* ============ CONTACTS ============ */
.contacts__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contacts__info { display: flex; flex-direction: column; gap: 20px; }
.contacts__item { display: flex; align-items: flex-start; gap: 16px; }
.contacts__item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.contacts__item-label {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.contacts__item-value {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
}
a.contacts__item-value:hover { color: var(--color-primary); }

.contacts__messengers { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.mess-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--color-border);
  color: var(--color-text);
  background: #fff;
  transition: border-color .2s, color .2s, background .2s;
}
.mess-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.mess-btn--telegram:hover { border-color: #229ED9; color: #229ED9; }
.mess-btn--max:hover { border-color: #6E3AFF; color: #6E3AFF; }

/* Форма */
.contacts__form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .04);
}
.form__title { font-size: 22px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.form__subtitle { font-size: 14px; color: var(--color-muted); margin-bottom: 24px; }
.form__field { display: flex; flex-direction: column; margin-bottom: 16px; }
.form__label { font-size: 13px; color: var(--color-muted); margin-bottom: 6px; font-weight: 600; }
.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(211, 47, 47, .12);
}
.form__textarea { resize: vertical; min-height: 100px; }
.form__check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 20px;
  line-height: 1.45;
  cursor: pointer;
}
.form__check input { margin-top: 3px; accent-color: var(--color-primary); flex-shrink: 0; }
.form__check a { color: var(--color-primary); text-decoration: underline; }
.form__submit { width: 100%; }
.form__note { font-size: 12px; color: var(--color-muted); margin-top: 12px; text-align: center; }

/* ============ FOOTER ============ */
.footer { background: #1a1a1a; color: #b8b8b8; padding: 40px 0 24px; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.footer__col { min-width: 200px; }
.footer__title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer__text,
.footer__link { display: block; font-size: 14px; color: #b8b8b8; margin-bottom: 6px; line-height: 1.5; }
.footer__link:hover { color: var(--color-primary); }
.footer__bottom { border-top: 1px solid #2a2a2a; padding-top: 20px; font-size: 13px; color: #808080; text-align: center; }

/* ============ LEGAL PAGE ============ */
.legal { max-width: 860px; margin: 0 auto; }
.legal__title {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 8px;
}
.legal__updated {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}
.legal h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin: 32px 0 12px;
}
.legal p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 12px;
}
.legal ul {
  list-style: disc;
  padding-left: 22px;
  margin-bottom: 16px;
}
.legal ul li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 4px;
}
.legal a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ============ Адаптив ============ */
@media (max-width: 1100px) {
  .process__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 960px) {
  .header__nav { display: none; }
  .header__burger { display: flex; }
  .header__phone { display: none; }

  .header__nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 16px;
    gap: 12px;
    z-index: 99;
  }

  .hero__inner { grid-template-columns: 1fr; gap: 32px; padding: 56px 16px 64px; }
  .hero__media img { height: 320px; }

  .services__grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .section__title { font-size: 26px; }

  .service-card--wide { grid-template-columns: 1fr; gap: 24px; padding: 28px 20px; }
  .service-card--wide .service-card__intro {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding-right: 0;
    padding-bottom: 24px;
  }
  .service-card--wide .service-card__list { grid-template-columns: 1fr; }

  .advantages__grid { grid-template-columns: 1fr 1fr; }
  .portfolio__grid { grid-template-columns: 1fr 1fr; }
  .process__grid { grid-template-columns: 1fr 1fr; }
  .contacts__grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .hero__title { font-size: 28px; }
  .hero__subtitle { font-size: 16px; }
  .hero__list { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .hero__media img { height: 240px; }
  .advantages__grid { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .process__grid { grid-template-columns: 1fr; }

  .faq__item summary { font-size: 15px; padding: 16px 48px 16px 20px; }
  .faq__answer { padding: 0 20px 18px; font-size: 14px; }

  .contacts__form { padding: 22px; }
  .form__title { font-size: 19px; }

  /* Логотип на телефоне — только название, без слогана */
  .header__logo img { height: 36px; }
  .header__logo-name { font-size: 16px; }
  .header__logo-tagline { display: none; }

  /* Legal на телефоне */
  .legal__title { font-size: 24px; }
  .legal h2 { font-size: 18px; }
}