/* ===== Спільні стилі для статей блогу /guides ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --paper: #f5efe4;
  --ink: #0a0a0a;
  --ink-soft: #1a1a1a;
  --orange: #d97757;
  --orange-deep: #b85d3f;
  --ash: #4a4541;

  --font-display: 'Fraunces', 'Times New Roman', serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }

/* ===== PROMO BAR ===== */
.promo-bar {
  position: sticky; top: 0; z-index: 200;
  background: #0a0a0a;
  border-bottom: 1px solid rgba(217, 119, 87, 0.28);
  display: flex; align-items: center; justify-content: center;
  gap: clamp(10px, 2vw, 22px);
  padding: 0 20px;
  height: 42px;
}
.promo-bar-brand { display: flex; align-items: center; gap: 5px; flex-shrink: 0; }
.promo-bar-mark {
  width: 18px; height: 18px;
  background: var(--orange); border-radius: 50%;
  position: relative; flex-shrink: 0;
}
.promo-bar-mark::before {
  content: '✱'; position: absolute; inset: 0;
  color: var(--paper); font-size: 13px; line-height: 18px;
  text-align: center; font-weight: 900;
}
.promo-bar-text {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--paper); white-space: nowrap;
}
.promo-bar-timer {
  font-family: var(--font-mono);
  font-size: 13px; font-weight: 700;
  color: var(--orange);
  display: flex; align-items: baseline; gap: 1px; flex-shrink: 0;
}
.promo-bar-timer em {
  font-style: normal; font-size: 9px; font-weight: 500;
  opacity: 0.65; margin: 0 4px 0 1px;
}
.promo-bar-cta {
  background: var(--orange); color: var(--paper);
  padding: 6px 14px; border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  text-decoration: none; transition: background 0.2s;
  white-space: nowrap; flex-shrink: 0;
}
.promo-bar-cta:hover { background: var(--orange-deep); }
@media (max-width: 580px) {
  .promo-bar-brand { display: none; }
  .promo-bar-text { font-size: 10px; letter-spacing: 0.04em; }
}

/* ===== NAV ===== */
nav.main-nav {
  position: sticky; top: 42px; z-index: 80;
  margin: 18px auto 0;
  display: flex; align-items: center;
  gap: clamp(18px, 3vw, 36px);
  padding: 8px 8px 8px 22px;
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(245, 239, 228, 0.12);
  border-radius: 100px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  width: max-content;
  max-width: calc(100vw - 32px);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700; font-size: 12px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--paper); text-decoration: none;
}
.nav-brand-mark {
  width: 22px; height: 22px;
  background: var(--orange);
  border-radius: 50%;
  flex-shrink: 0; position: relative;
}
.nav-brand-mark::before {
  content: '✱';
  position: absolute; inset: 0;
  color: var(--paper);
  font-size: 16px; line-height: 22px;
  text-align: center; font-weight: 900;
}
.nav-links {
  display: flex; gap: clamp(14px, 2vw, 26px);
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 500;
}
.nav-links a {
  color: var(--paper); text-decoration: none;
  opacity: 0.65; transition: opacity 0.2s;
}
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-cta {
  background: var(--orange); color: var(--paper);
  padding: 10px 18px; border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  text-decoration: none; transition: background 0.2s;
}
.nav-cta:hover { background: var(--orange-deep); }
@media (max-width: 720px) {
  .nav-links { display: none; }
  nav.main-nav { padding: 6px 6px 6px 16px; gap: 12px; }
}

/* ===== ARTICLE HEADER ===== */
.article-header {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(60px, 10vh, 110px) clamp(20px, 5vw, 32px) clamp(40px, 6vh, 60px);
  text-align: left;
}
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(245, 239, 228, 0.55);
  text-decoration: none;
  margin-bottom: 36px;
  transition: color 0.2s;
}
.back-link:hover { color: var(--paper); }
.article-meta {
  display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(245, 239, 228, 0.55);
  margin-bottom: 20px;
}
.article-tag {
  background: rgba(217, 119, 87, 0.14);
  color: var(--orange);
  padding: 5px 10px;
  border-radius: 100px;
  border: 1px solid rgba(217, 119, 87, 0.3);
  font-weight: 600;
}
.article-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--paper);
  margin-bottom: 24px;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
.article-title em { font-style: italic; color: var(--orange); font-weight: 500; }
.article-lead {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.45;
  color: rgba(245, 239, 228, 0.78);
  max-width: 640px;
}

/* ===== ARTICLE BODY ===== */
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 32px);
  font-family: var(--font-body);
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.7;
  color: rgba(245, 239, 228, 0.86);
}
.article-body > * + * { margin-top: 1.4em; }
.article-body h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--paper);
  margin-top: 2.2em;
  margin-bottom: 0.5em;
  font-variation-settings: "opsz" 100, "SOFT" 50;
}
.article-body h2 em { font-style: italic; color: var(--orange); }
.article-body h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin-top: 1.8em;
  margin-bottom: 0.4em;
}
.article-body p { color: rgba(245, 239, 228, 0.86); }
.article-body strong { color: var(--paper); font-weight: 600; }
.article-body em { font-style: italic; color: rgba(245, 239, 228, 0.92); }
.article-body a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: text-decoration-thickness 0.15s;
}
.article-body a:hover { text-decoration-thickness: 2px; }
.article-body ul, .article-body ol {
  padding-left: 1.4em;
  color: rgba(245, 239, 228, 0.86);
}
.article-body li + li { margin-top: 0.5em; }
.article-body li::marker { color: var(--orange); }
.article-body blockquote {
  border-left: 3px solid var(--orange);
  padding: 0.4em 0 0.4em 1.4em;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 1.15em;
  line-height: 1.5;
  color: rgba(245, 239, 228, 0.78);
}
.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(245, 239, 228, 0.08);
  padding: 2px 7px;
  border-radius: 6px;
  color: var(--orange);
}
.article-body pre {
  background: rgba(245, 239, 228, 0.04);
  border: 1px solid rgba(245, 239, 228, 0.1);
  border-radius: 12px;
  padding: 18px 20px;
  overflow-x: auto;
}
.article-body pre code {
  background: transparent; padding: 0; color: inherit; font-size: 14px;
}
.article-body hr {
  border: 0;
  height: 1px;
  background: rgba(245, 239, 228, 0.1);
  margin: 2.5em 0;
}
.article-body .video-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: var(--ink-soft);
  border: 1px solid rgba(217, 119, 87, 0.18);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  margin: 1.6em 0;
}
.article-body .video-frame iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.article-body .callout {
  background: rgba(217, 119, 87, 0.08);
  border: 1px solid rgba(217, 119, 87, 0.25);
  border-left: 3px solid var(--orange);
  padding: 18px 22px;
  border-radius: 12px;
  font-size: 0.96em;
  color: rgba(245, 239, 228, 0.85);
}
.article-body .callout strong { color: var(--orange); }

/* ===== FOOTER CTA + RELATED ===== */
.article-footer-cta {
  max-width: 720px;
  margin: clamp(60px, 10vh, 100px) auto 0;
  padding: 0 clamp(20px, 5vw, 32px);
}
.article-footer-cta .inner {
  padding: clamp(36px, 6vh, 60px) clamp(28px, 5vw, 48px);
  background: linear-gradient(135deg, rgba(217, 119, 87, 0.14) 0%, rgba(217, 119, 87, 0.05) 100%);
  border: 1px solid rgba(217, 119, 87, 0.3);
  border-radius: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.article-footer-cta .inner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(217, 119, 87, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.article-footer-cta .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 18px;
  display: inline-flex; align-items: center; gap: 12px;
}
.article-footer-cta .eyebrow::before { content: '✱'; font-size: 14px; }
.article-footer-cta h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--paper);
  margin-bottom: 16px;
  font-variation-settings: "opsz" 100;
}
.article-footer-cta h3 em { font-style: italic; color: var(--orange); font-weight: 500; }
.article-footer-cta p {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.15vw, 17px);
  color: rgba(245, 239, 228, 0.78);
  line-height: 1.55;
  max-width: 560px;
  margin: 0 auto 30px;
}
.btn-cta {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--paper); color: var(--ink);
  padding: 18px 32px; border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative; overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}
.btn-cta::before {
  content: ''; position: absolute; inset: 0;
  background: var(--orange);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.btn-cta:hover { color: var(--paper); }
.btn-cta:hover::before { transform: translateX(0); }
.btn-cta span { position: relative; z-index: 1; }
.btn-cta svg { position: relative; z-index: 1; transition: transform 0.3s; }
.btn-cta:hover svg { transform: translateX(4px); }

footer {
  padding: 40px 20px;
  text-align: center;
  background: var(--ink);
  border-top: 1px solid rgba(245, 239, 228, 0.06);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245, 239, 228, 0.4);
  margin-top: clamp(60px, 10vh, 100px);
}
footer a { color: var(--orange); text-decoration: none; }
footer a:hover { text-decoration: underline; }