/* SAVIN SEO — брутально-редакционный стиль, mobile-first, БЭМ */

:root {
  --color-bg: #F4F1EA;
  --color-ink: #0B0B0B;
  --color-accent: #ED1616;
  --color-paper: #FFFFFF;
  --color-muted: #55524B;
  --color-line: #D8D3C6;
  --font-head: 'Oswald', 'Arial Narrow', Impact, Arial, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

ul, ol { list-style: none; }

a { color: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-2);
}

.accent { color: var(--color-accent); }
.accent-light { color: var(--color-accent); }

.section { padding-block: var(--space-5); }

.section__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.75rem, 1.2rem + 2.8vw, 3.25rem);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-4);
  max-width: 20ch;
}

/* КНОПКИ */
.button {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-align: center;
  border: 2px solid var(--color-ink);
  padding: 0.9rem 1.6rem;
  min-height: 44px;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}
.button:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--color-ink); }
.button:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.button--primary { background: var(--color-ink); color: var(--color-paper); }
.button--accent { background: var(--color-accent); color: var(--color-paper); border-color: var(--color-accent); }
.button--accent:hover { box-shadow: 4px 4px 0 var(--color-ink); }
.button--dark { background: var(--color-ink); color: var(--color-paper); }
.button--light { background: var(--color-paper); color: var(--color-ink); border-color: var(--color-paper); }
.button--light:hover { box-shadow: 4px 4px 0 rgba(0,0,0,0.4); }
.button--ghost { background: transparent; color: var(--color-ink); }

/* ШАПКА */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-ink);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: 0.6rem;
}
.header__cta { display: none; }

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.logo__mark { display: flex; }
.logo__text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 0.95;
  text-transform: uppercase;
}
.logo__tag {
  display: none;
  font-size: 0.62rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  border-left: 1px solid var(--color-line);
  padding-left: 0.6rem;
}

/* НАВИГАЦИЯ */
.nav__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 2px solid var(--color-ink);
  cursor: pointer;
}
.nav__burger span { display: block; height: 2px; background: var(--color-ink); }
.nav__list {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-ink);
  padding: var(--space-2);
}
.nav__list.nav__list--open { display: block; }
.nav__link {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.1rem;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.7rem 0.5rem;
}
.nav__link:hover, .nav__link:focus-visible { color: var(--color-accent); }

/* HERO */
.hero { padding-block: var(--space-4) var(--space-5); }
.hero__visual { display: none; }
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 2px solid var(--color-ink);
  display: block;
}
.hero__kicker {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.hero__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.4rem, 1.4rem + 5vw, 5.5rem);
  line-height: 0.98;
  text-transform: uppercase;
  max-width: 16ch;
  margin-bottom: var(--space-3);
}
.hero__subtitle {
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.2rem);
  color: var(--color-muted);
  max-width: 54ch;
  margin-bottom: var(--space-3);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

/* СТАТИСТИКА */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 2px solid var(--color-ink);
}
.stats__item {
  padding: var(--space-2);
  border: 1px solid var(--color-ink);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.stats__num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.8rem, 1.4rem + 2vw, 3rem);
  line-height: 1;
  color: var(--color-accent);
}
.stats__label { font-size: 0.85rem; color: var(--color-muted); }

/* БОЛИ */
.pains { background: var(--color-ink); color: var(--color-bg); }
.pains .section__title { color: var(--color-bg); }
.pains__list { display: grid; gap: 1px; background: #333; border: 1px solid #333; }
.pains__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  background: var(--color-ink);
  padding: var(--space-2) var(--space-2);
  font-size: clamp(1rem, 0.95rem + 0.5vw, 1.25rem);
}
.pains__num {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--color-accent);
  font-size: 1.1em;
}
.pains__solution {
  margin-top: var(--space-3);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.15rem, 1rem + 1vw, 1.6rem);
  text-transform: uppercase;
  max-width: 40ch;
}

/* УСЛУГИ */
.services__grid { display: grid; gap: var(--space-2); }
.service-card {
  border: 2px solid var(--color-ink);
  background: var(--color-paper);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.service-card--featured { background: var(--color-accent); color: var(--color-paper); border-color: var(--color-accent); }
.service-card__badge {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 0.25rem 0.7rem;
  align-self: flex-start;
}
.service-card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.4rem, 1.2rem + 1vw, 2rem);
  text-transform: uppercase;
  line-height: 1.05;
}
.service-card__text { font-size: 0.98rem; }
.service-card--featured .service-card__text { color: #FFE5E3; }
.service-card__list { display: grid; gap: 0.5rem; }
.service-card__list li { padding-left: 1.2rem; position: relative; font-size: 0.93rem; }
.service-card__list li::before { content: "→"; position: absolute; left: 0; font-weight: bold; }
.service-card .button { margin-top: auto; align-self: flex-start; }

/* ПРОЦЕСС */
.process__list { display: grid; gap: var(--space-2); counter-reset: step; }
.process__step {
  border: 2px solid var(--color-ink);
  padding: var(--space-3);
  background: var(--color-bg);
  position: relative;
}
.process__num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.5rem;
}
.process__name {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.25rem;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.process__text { font-size: 0.95rem; color: var(--color-muted); }

/* КЕЙСЫ */
.cases { background: var(--color-ink); color: var(--color-bg); }
.cases .section__title { color: var(--color-bg); }
.cases__grid { display: grid; gap: var(--space-2); }
.case-card {
  border: 2px solid var(--color-bg);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.case-card--featured { background: var(--color-bg); color: var(--color-ink); }
.case-card__badge {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--color-accent);
  color: var(--color-paper);
  padding: 0.25rem 0.7rem;
  align-self: flex-start;
}
.case-card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
  line-height: 1.05;
}
.case-card__text { font-size: 0.92rem; opacity: 0.85; }
.case-card__result { margin-top: auto; padding-top: var(--space-1); font-size: 0.95rem; }
.case-card__num {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 1.6rem + 2vw, 3rem);
  line-height: 1;
  color: var(--color-accent);
}

/* ТАРИФЫ */
.prices__note { color: var(--color-muted); max-width: 50ch; margin-top: calc(-1 * var(--space-3)); margin-bottom: var(--space-3); }
.prices__grid { display: grid; gap: var(--space-2); }
.price-card {
  border: 2px solid var(--color-ink);
  background: var(--color-paper);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.price-card--featured { outline: 4px solid var(--color-accent); outline-offset: -2px; }
.price-card__badge {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--color-accent);
  color: var(--color-paper);
  padding: 0.25rem 0.7rem;
  align-self: flex-start;
}
.price-card__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
}
.price-card__amount {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 1.6rem + 2vw, 2.8rem);
  line-height: 1;
}
.price-card__cur { font-size: 0.45em; font-weight: 600; color: var(--color-muted); }
.price-card__for { font-size: 0.9rem; color: var(--color-accent); font-weight: bold; }
.price-card__list { display: grid; gap: 0.5rem; }
.price-card__list li { padding-left: 1.2rem; position: relative; font-size: 0.93rem; }
.price-card__list li::before { content: "✓"; position: absolute; left: 0; color: var(--color-accent); font-weight: bold; }
.price-card__cta { margin-top: auto; }

/* ПОЧЕМУ МЫ */
.why__grid { display: grid; gap: var(--space-2); }
.why__item { border-top: 2px solid var(--color-ink); padding-top: var(--space-2); }
.why__name {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.25rem;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.why__text { font-size: 0.95rem; color: var(--color-muted); }

/* О КОМПАНИИ */
.about { background: var(--color-paper); }
.about__inner { display: grid; gap: var(--space-3); }
.about__text { margin-bottom: var(--space-2); max-width: 60ch; }
.about__visual { display: none; }
.about__img { width: 100%; max-width: 380px; border: 2px solid var(--color-ink); display: block; }

/* FAQ */
.faq__list { display: grid; gap: var(--space-1); max-width: 800px; }
.faq__item { border: 2px solid var(--color-ink); background: var(--color-paper); }
.faq__question {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  text-transform: uppercase;
  padding: var(--space-2);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 3rem;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question::after {
  content: "+";
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
  color: var(--color-accent);
}
.faq__item[open] .faq__question::after { content: "–"; }
.faq__answer { padding: 0 var(--space-2) var(--space-2); color: var(--color-muted); }

/* КОНТАКТ / ФОРМА */
.contact { background: var(--color-ink); color: var(--color-bg); }
.contact__title { color: var(--color-bg); max-width: 24ch; }
.contact__inner { display: grid; gap: var(--space-4); }
.contact__text { color: #B8B4AA; max-width: 50ch; margin-bottom: var(--space-3); }
.contact__channels { display: grid; gap: 0.7rem; }
.contact__channel {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
}
.contact__channel:hover { color: var(--color-accent); }

.form { display: grid; gap: var(--space-2); background: var(--color-bg); color: var(--color-ink); padding: var(--space-3); border: 2px solid var(--color-bg); }
.form__field { display: grid; gap: 0.35rem; }
.form__label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form__input {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.8rem 1rem;
  border: 2px solid var(--color-ink);
  background: var(--color-paper);
  min-height: 44px;
}
.form__input:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 1px; }
.form__input--error { border-color: var(--color-accent); }
.form__note { font-size: 0.78rem; color: var(--color-muted); }
.form__status { font-weight: bold; min-height: 1.2em; }
.form__status--ok { color: #1B7A2C; }
.form__status--err { color: var(--color-accent); }

/* SEO-ТЕКСТ */
.seo-text { border-top: 2px solid var(--color-line); }
.seo-text__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.4rem, 1.2rem + 1vw, 2rem);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.seo-text__body { max-width: 760px; display: grid; gap: var(--space-2); color: var(--color-muted); }
.seo-text__body h3 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.15rem;
  text-transform: uppercase;
  color: var(--color-ink);
  margin-top: var(--space-1);
}

/* ПОДВАЛ */
.footer { background: var(--color-ink); color: var(--color-bg); padding-block: var(--space-4) var(--space-2); }
.footer__inner { display: grid; gap: var(--space-3); }
.footer__logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.4rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.footer__text { font-size: 0.9rem; color: #B8B4AA; }
.footer__heading {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.7rem;
}
.footer__list { display: grid; gap: 0.5rem; }
.footer__link { text-decoration: none; font-size: 0.95rem; }
.footer__link:hover { color: var(--color-accent); }
.footer__bottom {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid #333;
  font-size: 0.8rem;
  color: #8A867C;
}

/* COOKIE */
.cookie {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-bg);
  border-top: 2px solid var(--color-ink);
  padding: var(--space-2);
}
.cookie__text { font-size: 0.82rem; flex: 1 1 260px; }
.cookie__accept { padding: 0.5rem 1.2rem; min-height: 40px; }

/* ≥480px */
@media (min-width: 480px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .logo__tag { display: block; }
}

/* ≥768px */
@media (min-width: 768px) {
  .container { padding-inline: var(--space-3); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .service-card--featured { grid-column: 1 / -1; }
  .process__list { grid-template-columns: repeat(2, 1fr); }
  .cases__grid { grid-template-columns: repeat(2, 1fr); }
  .case-card--featured { grid-column: 1 / -1; }
  .prices__grid { grid-template-columns: repeat(3, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__inner { grid-template-columns: 1.1fr 1fr; align-items: start; }
  .footer__inner { grid-template-columns: 2fr 1fr 1fr; }
  .about__inner { grid-template-columns: 2fr 1fr; align-items: center; }
  .about__visual { display: block; }
}

/* ≥1024px */
@media (min-width: 1024px) {
  .hero__inner { display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--space-4); align-items: stretch; }
  .hero__visual { display: block; }
  .nav__burger { display: none; }
  .nav__list {
    display: flex;
    position: static;
    border: none;
    padding: 0;
    gap: 0.2rem;
    background: transparent;
  }
  .nav__link { font-size: 0.9rem; padding: 0.5rem 0.7rem; }
  .header__cta { display: inline-block; padding: 0.6rem 1.2rem; font-size: 0.85rem; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .process__list { grid-template-columns: repeat(4, 1fr); }
  .cases__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ≥1280px */
@media (min-width: 1280px) {
  .section { padding-block: 5.5rem; }
}

/* Анимации с уважением к prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}