/* ═══════════════════════════════════════════
   APTUS — главная, блог, статья
   Палитра: mypalette.png. Один акцент (#faba09),
   глубина — сменой фона и тонкими линиями, без теней и свечения.
═══════════════════════════════════════════ */
:root {
  /* поверхности */
  --bg:      #0c0413;
  --bg2:     #0e0424;
  --surface: #1c0434;
  --bg3:     var(--surface);
  --warm:    #331404;

  /* линии */
  --line:        #402c04;
  --line-strong: #6a460c;
  --border:      var(--line);

  /* акцент */
  --acc:       #faba09;
  --acc-press: #8c5c04;
  --acc-dim:   #331404;

  /* текст */
  --txt:  #faf5ec;
  --txt2: #ddd4c3;   /* вторичный текст: ≥11:1 на фоне */
  --txt3: #d1ab5c;   /* подписи и метки: светлый тон от #a17a25 */
  --txt-ph: #a89d88; /* плейсхолдеры */
  --ink:  #0c0413;

  --r:    8px;
  --r-sm: 4px;
  --ease: 150ms ease;

  --font:    'Golos Text', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --display: 'Geologica', 'Golos Text', system-ui, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  font-size: 17px;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }
input, textarea, button, select { font: inherit; color: inherit; }
::selection { background: var(--acc); color: var(--ink); }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* ═══ ТИПОГРАФИКА ═══ */
h1, h2, h3 {
  font-family: var(--display);
  letter-spacing: -0.015em;
}
h1, h2 { font-weight: 700; line-height: 1.08; }
h2 { font-size: clamp(30px, 4.2vw, 48px); margin-bottom: 18px; }
h3 { font-size: 20px; font-weight: 600; line-height: 1.3; }
.lead { font-size: 19px; color: var(--txt2); max-width: 680px; }
.muted { color: var(--txt2); }

/* ═══ РАСКЛАДКА ═══ */
.container { max-width: calc(1160px + 64px); margin: 0 auto; padding: 0 32px; }
.section { padding: 112px 0; border-top: 1px solid var(--line); }
.section-head { margin-bottom: 56px; max-width: 720px; }

/* ═══ NAV ═══ */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 200;
  padding: 0 32px;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner {
  max-width: 1160px; margin: 0 auto; height: 68px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-left { display: flex; align-items: center; gap: 28px; }
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 44px; width: 44px; object-fit: cover; display: block; }
.logo-text { font-family: var(--display); font-size: 18px; font-weight: 700; color: var(--acc); }
.nav-blog-link {
  font-size: 15px; font-weight: 500; color: var(--txt2);
  transition: color var(--ease);
}
.nav-blog-link:hover, .nav-blog-active { color: var(--txt); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 15px; font-weight: 500; color: var(--txt2);
  transition: color var(--ease);
}
.nav-links a:hover, .nav-links a.nav-active { color: var(--txt); }
.nav-links .nav-cta {
  color: var(--ink); background: var(--acc);
  padding: 8px 16px; border-radius: var(--r-sm); font-weight: 600;
  transition: background-color var(--ease), color var(--ease);
}
.nav-links .nav-cta:hover { background: var(--acc-press); color: var(--txt); }
.nav-burger {
  display: none; background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px; color: var(--txt);
}
.nav-burger svg { width: 22px; height: 22px; display: block; margin: auto; }
.nav-mobile {
  display: none; flex-direction: column;
  padding: 8px 0 16px; border-top: 1px solid var(--line);
}
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 12px 0; font-size: 17px; color: var(--txt2); }
.nav-mobile a:hover { color: var(--txt); }
.nav-mobile .nav-mobile-cta { color: var(--acc); font-weight: 600; }

/* ═══ КНОПКИ ═══ */
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: var(--r-sm);
  font-size: 16px; font-weight: 600; cursor: pointer;
  transition: background-color var(--ease), color var(--ease), border-color var(--ease);
}
.btn-primary { background: var(--acc); color: var(--ink); border: 1px solid var(--acc); }
.btn-primary:hover { background: var(--acc-press); border-color: var(--acc-press); color: var(--txt); }
.btn-primary:disabled { opacity: .6; cursor: default; }
.btn-ghost { background: transparent; color: var(--txt); border: 1px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--acc); }
.btn-wide { width: 100%; }
.link-arrow { color: var(--acc); font-weight: 500; text-underline-offset: 4px; }
.link-arrow:hover { text-decoration: underline; }

/* ═══ HERO ═══ */
.hero { padding: 200px 0 120px; }
.hero h1 {
  font-size: clamp(38px, 6.6vw, 84px);
  max-width: 15ch; margin-bottom: 28px;
}
.hero h1 .accent { color: var(--acc); }
.hero-sub { font-size: clamp(18px, 1.7vw, 21px); color: var(--txt2); max-width: 680px; margin-bottom: 40px; }
.hero-btns { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 96px; padding-top: 24px; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.hero-meta dt { font-size: 15px; color: var(--txt3); margin-bottom: 4px; }
.hero-meta dd { font-size: 18px; color: var(--txt); font-weight: 500; }

/* ═══ ОБО МНЕ ═══ */
.about-grid { display: grid; grid-template-columns: 340px 1fr; gap: 72px; align-items: start; }
.about-photo-img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 20%;
  border-radius: var(--r); display: block;
}
.photo-placeholder {
  aspect-ratio: 4 / 5; border-radius: var(--r); background: var(--surface);
  display: none; align-items: center; justify-content: center; color: var(--txt2);
}
.about-text h2 { margin-bottom: 24px; }
.about-desc { font-size: 18px; color: var(--txt2); margin-bottom: 18px; max-width: 680px; }
.about-skills {
  margin-top: 40px; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, 1fr);
}
.skill-item { padding: 20px 24px 0 0; }
.skill-item + .skill-item { padding-left: 24px; border-left: 1px solid var(--line); }
.skill-name { font-weight: 600; margin-bottom: 4px; }
.skill-desc { font-size: 16px; color: var(--txt2); }
.skill-desc a { color: var(--acc); }

/* ═══ ПРЕИМУЩЕСТВА ═══ */
.adv-main { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.adv-key {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 36px;
}
.adv-key h3 { font-size: 26px; margin-bottom: 14px; }
.adv-key p { color: var(--txt2); margin-bottom: 20px; }
.adv-facts li {
  position: relative; padding: 10px 0 10px 22px;
  border-top: 1px solid var(--line); font-size: 16px; color: var(--txt);
}
.adv-facts li::before {
  content: ''; position: absolute; left: 2px; top: 20px;
  width: 8px; height: 8px; background: var(--acc);
}
.adv-more {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 56px; border-top: 1px solid var(--line-strong);
}
.adv-more .adv { padding: 28px 28px 0 0; }
.adv-more .adv + .adv { padding-left: 28px; border-left: 1px solid var(--line); }
.adv-more h3 { font-size: 18px; margin-bottom: 8px; }
.adv-more p { font-size: 16px; color: var(--txt2); }

/* ═══ ПАЙПЛАЙН ═══ */
.pipe {
  display: grid; grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line); border-radius: var(--r); overflow: hidden;
  list-style: none;
}
.pipe-step { padding: 28px 24px; position: relative; background: var(--bg2); }
.pipe-step + .pipe-step { border-left: 1px solid var(--line); }
.pipe-step + .pipe-step::before {
  content: '→'; position: absolute; left: -10px; top: 28px;
  width: 20px; text-align: center; line-height: 22px;
  background: var(--bg); color: var(--acc); font-size: 15px;
}
.pipe-step-hl { background: var(--surface); }
.pipe-n {
  font-family: var(--display); font-size: 15px; font-weight: 600;
  color: var(--ink); background: var(--acc);
  width: 28px; height: 28px; border-radius: var(--r-sm);
  display: grid; place-items: center; margin-bottom: 20px;
}
.pipe-step h3 { font-size: 19px; margin-bottom: 8px; }
.pipe-step p { font-size: 16px; color: var(--txt2); }
.pipe-out { margin-top: 24px; font-size: 18px; color: var(--txt); }

/* ═══ ЦЕНЫ ═══ */
.price-grid { display: grid; grid-template-columns: 400px 1fr; gap: 56px; align-items: start; }
.plan {
  background: var(--surface); border: 1px solid var(--acc); border-radius: var(--r);
  padding: 36px;
}
.plan-name { font-size: 17px; color: var(--txt3); font-weight: 500; margin-bottom: 8px; }
.plan-price { font-family: var(--display); font-size: 48px; font-weight: 700; line-height: 1.1; margin-bottom: 24px; }
.plan-price span { font-family: var(--font); font-size: 18px; font-weight: 400; color: var(--txt2); }
.plan-list { margin-bottom: 32px; }
.plan-list li {
  position: relative; padding: 10px 0 10px 22px;
  border-top: 1px solid var(--line-strong); font-size: 16px;
}
.plan-list li::before {
  content: ''; position: absolute; left: 2px; top: 20px;
  width: 8px; height: 8px; background: var(--acc);
}
.price-h { font-size: 20px; margin-bottom: 12px; }
.price-h + .price-list, .price-list + .price-h { margin-top: 0; }
.price-list { margin-bottom: 40px; border-top: 1px solid var(--line); }
.price-list > div {
  display: flex; justify-content: space-between; align-items: baseline; gap: 24px;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.price-list dt { color: var(--txt); }
.price-list dd { font-weight: 600; white-space: nowrap; color: var(--txt); }

/* ═══ КЕЙСЫ ═══ */
.case {
  display: grid; grid-template-columns: 300px 1fr; gap: 56px;
  padding: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.case-num { font-family: var(--display); font-size: 96px; font-weight: 700; line-height: 1; color: var(--acc); }
.case-num-label { margin-top: 8px; font-size: 18px; color: var(--txt); }
.case-body h3 { font-size: 26px; margin-bottom: 16px; }
.case-body p { color: var(--txt2); margin-bottom: 10px; max-width: 680px; }
.case-body strong { color: var(--txt); font-weight: 600; }
.live { margin-top: 48px; }
.live h3 { font-size: 22px; margin-bottom: 8px; }
.live > p { color: var(--txt2); }
.live-list { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0; }
.live-list a {
  display: inline-block; padding: 10px 16px;
  border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  font-weight: 500; transition: border-color var(--ease), color var(--ease);
}
.live-list a:hover { border-color: var(--acc); color: var(--acc); }
.live-more { color: var(--txt2); }
.live-more a { color: var(--acc); text-decoration: underline; text-underline-offset: 3px; }

/* ═══ ВНЕДРЕНИЕ ═══ */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  list-style: none; counter-reset: step;
}
.steps li { counter-increment: step; padding-top: 20px; border-top: 2px solid var(--acc); }
.steps li::before {
  content: counter(step);
  display: block; margin-bottom: 12px;
  font-family: var(--display); font-size: 32px; font-weight: 700; color: var(--acc); line-height: 1;
}
.steps h3 { font-size: 19px; margin-bottom: 8px; }
.steps p { font-size: 16px; color: var(--txt2); }

/* ═══ FAQ ═══ */
.faq { border-top: 1px solid var(--line); max-width: 880px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none;
  padding: 20px 40px 20px 0; position: relative;
  font-family: var(--display); font-size: 19px; font-weight: 600;
  transition: color var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; position: absolute; right: 4px; top: 16px;
  font-size: 26px; font-weight: 400; color: var(--acc);
}
.faq details[open] summary::after { content: '−'; }
.faq summary:hover { color: var(--acc); }
.faq details p { padding: 0 0 22px; color: var(--txt2); max-width: 760px; }

/* ═══ ОТЗЫВЫ ═══ */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.rcard { display: flex; flex-direction: column; }
.rcard-text { font-size: 18px; line-height: 1.65; margin-bottom: 20px; }
.rcard-name { margin-top: auto; color: var(--txt3); font-weight: 500; }
.rcard-name::before { content: '— '; }
.reviews-cta { margin-top: 56px; }

/* ═══ ЗАЯВКА ═══ */
.contact-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 72px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 16px; font-weight: 500; color: var(--txt); }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg2); border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  padding: 12px 14px; font-size: 16px; color: var(--txt);
  transition: border-color var(--ease);
  -webkit-appearance: none; appearance: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--txt-ph); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--acc); outline: none; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select {
  cursor: pointer; padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23b9ad97' stroke-width='1.5'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}
.form-group select option { background: var(--bg2); }
.form-result { font-size: 15px; display: none; }
.form-result.success { display: block; color: var(--txt); }
.form-result.error { display: block; color: var(--acc); }

.contact-info { border-top: 1px solid var(--line); }
.contact-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
.ci-label { font-size: 14px; color: var(--txt3); margin-bottom: 4px; }
.ci-value { font-size: 17px; }
a.ci-value { color: var(--acc); }
a.ci-value:hover { text-decoration: underline; text-underline-offset: 4px; }
.contact-ask { margin-top: 28px; }
.contact-ask p { color: var(--txt2); margin-bottom: 12px; font-size: 16px; }

/* ═══ СОЦСЕТИ ═══ */
.tg-grid { border-top: 1px solid var(--line); }
.tg-card {
  display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 24px;
  padding: 24px 0; border-bottom: 1px solid var(--line);
}
.tg-logo { width: 32px; height: 32px; object-fit: contain; display: block; }
.tg-type { font-size: 14px; color: var(--txt3); }
.tg-name { font-size: 19px; font-weight: 600; transition: color var(--ease); }
.tg-desc { color: var(--txt2); font-size: 15px; }
.tg-arr { color: var(--txt2); font-size: 15px; transition: color var(--ease); }
.tg-card:hover .tg-name, .tg-card:hover .tg-arr { color: var(--acc); }

/* ═══ FOOTER ═══ */
.footer { border-top: 1px solid var(--line); padding: 40px 0; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
}
.footer-logo img { height: 40px; width: 40px; object-fit: cover; display: block; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 15px; color: var(--txt2); transition: color var(--ease); }
.footer-links a:hover { color: var(--txt); }
.footer-text { font-size: 14px; color: var(--txt2); }

/* ═══ БЛОГ ═══ */
.blog-head { padding-top: 168px; padding-bottom: 56px; }
.blog-head h1 { font-size: clamp(36px, 5vw, 60px); margin-bottom: 16px; }
.blog-body { padding-bottom: 112px; }
.articles-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px;
}
.art-card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; transition: border-color var(--ease);
}
.art-card:hover { border-color: var(--line-strong); }
.art-card:hover .art-card-title { color: var(--acc); }
.art-card-cover { aspect-ratio: 16 / 9; background: var(--bg2); border-bottom: 1px solid var(--line); }
.art-card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.art-card-cover-ph {
  width: 100%; height: 100%; padding: 20px;
  display: flex; align-items: flex-end;
  font-family: var(--display); font-size: 56px; font-weight: 700; line-height: 1;
  color: var(--txt3);
}
.art-card-body { padding: 20px 24px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.art-card-date { font-size: 14px; color: var(--txt3); }
.art-card-title { font-size: 18px; font-weight: 600; line-height: 1.35; transition: color var(--ease); }
.art-card-preview {
  font-size: 15px; color: var(--txt2);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.art-card-pinned { grid-column: 1 / -1; flex-direction: row; }
.art-card-pinned .art-card-cover {
  aspect-ratio: auto; flex: 0 0 40%; border-bottom: 0; border-right: 1px solid var(--line);
}
.art-card-pinned .art-card-body { justify-content: center; padding: 32px; }
.art-card-pinned .art-card-title { font-size: 24px; }
.art-card-pinned .art-card-date { color: var(--acc); }

/* ═══ АДАПТИВ ═══ */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-burger { display: block; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-photo { max-width: 320px; }
  .about-skills { grid-template-columns: 1fr; }
  .skill-item, .skill-item + .skill-item { padding: 16px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .adv-main { grid-template-columns: 1fr; }
  .adv-more { grid-template-columns: 1fr 1fr; }
  .adv-more .adv:nth-child(3) { padding-left: 0; border-left: 0; }
  .adv-more .adv:nth-child(n+3) { margin-top: 8px; }
  .pipe { grid-template-columns: 1fr; }
  .pipe-step + .pipe-step { border-left: 0; border-top: 1px solid var(--line); }
  .pipe-step + .pipe-step::before { left: 24px; top: -11px; content: '↓'; }
  .price-grid { grid-template-columns: 1fr; gap: 48px; }
  .case { grid-template-columns: 1fr; gap: 24px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 48px; }
  .section { padding: 80px 0; }
  .art-card-pinned { flex-direction: column; }
  .art-card-pinned .art-card-cover { aspect-ratio: 16 / 9; border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .nav { padding: 0 16px; }
  .footer { padding: 32px 0; }
  .hero { padding: 136px 0 80px; }
  .hero-meta { grid-template-columns: 1fr; gap: 16px; margin-top: 64px; }
  .form-row { grid-template-columns: 1fr; }
  .adv-key, .plan { padding: 24px; }
  .adv-more { grid-template-columns: 1fr; }
  .adv-more .adv, .adv-more .adv + .adv { padding: 20px 0; border-left: 0; border-bottom: 1px solid var(--line); margin-top: 0; }
  .steps { grid-template-columns: 1fr; }
  .case-num { font-size: 72px; }
  .price-list > div { flex-direction: column; gap: 2px; }
  .tg-card { grid-template-columns: 32px 1fr; }
  .tg-arr { display: none; }
  .blog-head { padding-top: 128px; padding-bottom: 40px; }
}