/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 15, 17, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.site-logo {
  display: inline-flex;
  align-items: center;
  color: var(--text-primary);
  transition: opacity var(--dur-fast) var(--ease);
}
.site-logo:hover { opacity: 0.8; }
.site-logo img {
  display: block;
  height: 36px;
  width: auto;
}
.site-footer .site-logo img { height: 44px; }
@media (max-width: 600px) {
  .site-logo img { height: 28px; }
}
.site-nav { display: flex; align-items: center; gap: 32px; }
.site-nav a {
  font-size: 14px;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
  transition: color var(--dur-fast) var(--ease);
}
.site-nav a:hover, .site-nav a.is-active { color: var(--text-primary); }
.site-nav a.is-active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.status-pill:hover { color: var(--text-primary); border-color: var(--border-strong); }
.status-pill__dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: statusPulse 3s ease-in-out infinite;
}
@keyframes statusPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }

.menu-toggle { display: none; }
@media (max-width: 900px) {
  .site-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: flex-start; padding: 24px var(--container-pad); background: var(--bg-secondary); border-bottom: 1px solid var(--border); gap: 16px; }
  .site-nav.is-open { display: flex; }
  .menu-toggle { display: block; color: var(--text-primary); padding: 8px; }
  .status-pill { display: none; }
}

/* ========== FOOTER ========== */
.site-footer { padding: 96px 0 48px; border-top: 1px solid var(--border); margin-top: 80px; }
.site-footer__top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 64px; border-bottom: 1px solid var(--border); }
.site-footer__col h4 { font-family: var(--font-mono); font-size: 11px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-tertiary); margin-bottom: 20px; }
.site-footer__col ul li + li { margin-top: 12px; }
.site-footer__col a { color: var(--text-secondary); font-size: 14px; transition: color var(--dur-fast) var(--ease); }
.site-footer__col a:hover { color: var(--text-primary); }
.site-footer__bottom { display: flex; justify-content: space-between; align-items: flex-end; padding-top: 40px; gap: 24px; flex-wrap: wrap; }
.site-footer__legal { font-size: 13px; color: var(--text-tertiary); }
.site-footer__counter {
  font-family: var(--font-display);
  font-size: clamp(80px, 18vw, 220px);
  line-height: 0.9;
  color: var(--text-primary);
  letter-spacing: -0.04em;
}
.site-footer__counter small { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-tertiary); display: block; margin-top: 12px; }
@media (max-width: 900px) { .site-footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .site-footer__top { grid-template-columns: 1fr; } }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  cursor: pointer;
}
.btn:hover { background: var(--bg-tertiary); border-color: var(--accent); }
.btn--primary { background: var(--accent); color: var(--bg-primary); border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn--ghost { border-color: transparent; padding-left: 0; padding-right: 0; }
.btn--ghost:hover { background: transparent; color: var(--accent); }
.btn .arrow { transition: transform var(--dur-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ========== HERO ========== */
.hero { padding-block: clamp(80px, 14vw, 180px) clamp(80px, 12vw, 160px); position: relative; }
.hero h1 { max-width: 14ch; }
.hero .lead { margin-top: 32px; }
.hero__cta { margin-top: 48px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.hero__sub-cta { margin-top: 24px; font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.1em; }
.hero__sub-cta a:hover { color: var(--accent); }

.hero__schema {
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 32px;
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  max-width: 100%;
}
.hero__schema svg { width: 100%; height: auto; max-width: 100%; display: block; }
@media (max-width: 700px) {
  .hero__schema { padding: 16px; min-height: 0; }
}

/* ========== STATS ========== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stat { padding: 64px 32px; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(56px, 7vw, 96px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}
.stat__label {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  line-height: 1.5;
}
@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 540px) {
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--border); }
  .stat:last-child { border-bottom: none; }
}

/* ========== PRINCIPLE CARD ========== */
.principle { padding: 32px 0; border-top: 1px solid var(--border); }
.principle__num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; }
.principle h3 { font-family: var(--font-display); font-weight: 400; font-size: 28px; line-height: 1.15; margin-bottom: 16px; letter-spacing: -0.01em; }
.principle p { color: var(--text-secondary); font-size: 16px; }

/* ========== CATALOG LIST ========== */
.catalog { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.catalog__col h3 { font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 32px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.catalog__list li { padding: 20px 0; border-bottom: 1px solid var(--border); transition: padding var(--dur-fast) var(--ease); }
.catalog__list li:hover { padding-left: 8px; }
.catalog__list a { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; }
.catalog__list .name { font-family: var(--font-display); font-size: 22px; font-weight: 400; color: var(--text-primary); }
.catalog__list .desc { color: var(--text-secondary); font-size: 14px; flex: 1; text-align: right; max-width: 60%; }
.catalog__col-cta { margin-top: 32px; }
@media (max-width: 900px) { .catalog { grid-template-columns: 1fr; gap: 48px; } .catalog__list .desc { display: none; } }

/* ========== TESTIMONIAL ========== */
.testimonial { padding: var(--space-block) 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.testimonial blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  max-width: 28ch;
}
.testimonial cite { font-style: normal; display: block; margin-top: 32px; font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); }

/* ========== CTA SECTION ========== */
.cta-section { padding-block: var(--space-block); }
.cta-section h2 { font-family: var(--font-display); font-style: italic; font-size: clamp(32px, 4vw, 56px); max-width: 18ch; margin-bottom: 40px; line-height: 1.15; }

/* ========== PRODUCT INDEX ========== */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); margin-top: 48px; }
.product-grid > a {
  background: var(--bg-primary);
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: background var(--dur-fast) var(--ease);
  min-height: 420px;
}
.product-grid > a:hover { background: var(--bg-secondary); }
.product-grid .product-name { font-family: var(--font-display); font-size: 36px; font-weight: 400; letter-spacing: -0.02em; }
.product-grid .product-tagline { color: var(--text-secondary); font-size: 16px; }
.product-grid .product-meta { margin-top: auto; display: flex; flex-wrap: wrap; gap: 16px; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); }
.product-grid .product-meta span { padding: 4px 10px; border: 1px solid var(--border); }
@media (max-width: 900px) { .product-grid { grid-template-columns: 1fr; } .product-grid > a { padding: 32px; min-height: 0; } }

/* ========== PRODUCT PAGE ========== */
.product-hero { padding-block: clamp(64px, 10vw, 140px) 64px; }
.product-hero h1 { font-size: clamp(40px, 7vw, 80px); margin-bottom: 24px; }
.product-hero .lead { max-width: 64ch; }
.product-hero__media { margin-top: 80px; }
.product-hero__media picture { display: block; }
.product-hero__media img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: 4px; }

.spec-table { width: 100%; }
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table th, .spec-table td { padding: 20px 0; text-align: left; vertical-align: top; }
.spec-table th { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); font-weight: 400; width: 200px; }
.spec-table td { color: var(--text-primary); font-size: 16px; }

/* ========== MODULES LIST ========== */
.modules { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px; margin-top: 48px; }
.modules__group h4 { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.modules__group ul li { padding: 10px 0; color: var(--text-secondary); font-size: 15px; border-bottom: 1px solid var(--border); }
@media (max-width: 700px) { .modules { grid-template-columns: 1fr; } }

/* ========== TIMELINE / METHOD STEPS ========== */
.steps { display: grid; gap: 0; }
.step { padding: 48px 0; border-top: 1px solid var(--border); display: grid; grid-template-columns: 80px 1fr 200px; gap: 32px; align-items: start; }
.step:last-child { border-bottom: 1px solid var(--border); }
.step__num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; padding-top: 8px; }
.step__title { font-family: var(--font-display); font-size: 28px; font-weight: 400; line-height: 1.2; margin-bottom: 12px; }
.step__body p { color: var(--text-secondary); font-size: 16px; }
.step__duration { font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.08em; padding-top: 8px; text-align: right; }
@media (max-width: 900px) { .step { grid-template-columns: 1fr; } .step__duration { text-align: left; } }

/* ========== FORM ========== */
.contact-form .field { margin-bottom: 24px; display: flex; flex-direction: column; gap: 8px; }
.contact-form label { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); }
.contact-form input, .contact-form textarea, .contact-form select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 14px 16px;
  font-size: 15px;
  font-family: var(--font-body);
  transition: border-color var(--dur-fast) var(--ease);
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline: none; border-color: var(--accent); }
.contact-form textarea { min-height: 160px; resize: vertical; }
.honeypot { position: absolute; left: -9999px; opacity: 0; }
.alert { padding: 16px 20px; border: 1px solid; margin-bottom: 24px; font-size: 14px; }
.alert--success { border-color: var(--success); color: var(--success); background: rgba(107, 191, 138, 0.08); }
.alert--danger { border-color: var(--danger); color: var(--danger); background: rgba(216, 112, 112, 0.08); }

/* ========== STATUS PAGE ========== */
.status-list { margin-top: 48px; }
.status-row { display: grid; grid-template-columns: 1fr 120px 100px 100px 100px; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--border); align-items: center; }
.status-row__head { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-tertiary); border-bottom: 1px solid var(--border-strong); }
.status-row__name { font-size: 16px; color: var(--text-primary); }
.status-row__state { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; }
.status-row__state .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }
.status-row__state.is-warn .dot { background: var(--warning); }
.status-row__state.is-down .dot { background: var(--danger); }
.status-row__uptime { font-family: var(--font-mono); font-size: 13px; color: var(--text-secondary); }
@media (max-width: 700px) { .status-row { grid-template-columns: 1fr 1fr; } .status-row__head { display: none; } }

/* ========== EDITORIAL TEXT ========== */
.editorial { max-width: 72ch; }
.editorial p, .editorial li { font-size: 17px; line-height: 1.7; color: var(--text-primary); }
.editorial p + p { margin-top: 1.4em; }
.editorial h2 { margin-top: 2em; margin-bottom: 0.6em; font-size: clamp(32px, 4vw, 44px); }
.editorial h3 { margin-top: 1.6em; margin-bottom: 0.4em; }
.editorial ul { margin: 1em 0; padding-left: 1.5em; list-style: none; }
.editorial ul li { position: relative; padding-left: 1em; }
.editorial ul li::before { content: "›"; position: absolute; left: -0.4em; color: var(--accent); }
.editorial ul li + li { margin-top: 0.5em; }
.editorial blockquote { border-left: 2px solid var(--accent); padding-left: 24px; margin: 2em 0; font-family: var(--font-display); font-style: italic; font-size: 22px; color: var(--text-primary); }

/* ========== PAGE HEADER ========== */
.page-header { padding-block: clamp(80px, 12vw, 160px) 64px; }
.page-header h1 { max-width: 18ch; margin-top: 16px; }
.page-header .lead { margin-top: 32px; max-width: 60ch; }

/* ========== FAQ ========== */
.faq { max-width: 80ch; border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); padding: 24px 0; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: baseline; gap: 24px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); font-size: 22px; line-height: 1; transition: transform 200ms ease; flex-shrink: 0; }
.faq details[open] summary::after { content: "−"; }
.faq summary h3 { margin: 0; font-size: clamp(18px, 2.2vw, 22px); font-family: var(--font-display); font-weight: 500; color: var(--text-primary); }
.faq details[open] summary h3 { color: var(--accent); }
.faq details > p { margin-top: 16px; max-width: 72ch; font-size: 16px; line-height: 1.7; color: var(--text-secondary); }
.faq details > p a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ========== HERO ARCHITECTURE ANIMATION ========== */
.arch-svg { width: 100%; max-width: 380px; height: auto; display: block; margin-inline: auto; overflow: visible; }

.arch-svg .arch-block { opacity: 0; transform: translateY(8px); transform-box: fill-box; transform-origin: center; }
.arch-svg .arch-block rect { transition: stroke 240ms ease, filter 240ms ease; }
.arch-svg .arch-block:hover rect { stroke: var(--accent); filter: drop-shadow(0 0 6px rgba(201, 169, 110, 0.25)); }
.arch-svg .arch-block:hover text:first-of-type { fill: var(--accent); transition: fill 240ms ease; }

.arch-svg .arch-line { opacity: 0; stroke-dasharray: 3 5; stroke-dashoffset: 0; }

.reveal.in .arch-svg .arch-block {
	animation: archBlockIn 700ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
	animation-delay: calc(var(--i, 0) * 110ms + 250ms);
}
.reveal.in .arch-svg .arch-line {
	animation: archLineIn 500ms ease forwards, archDashFlow 1.6s linear infinite;
	animation-delay: calc(var(--d, 0) * 110ms + 350ms), calc(var(--d, 0) * 110ms + 900ms);
}

@keyframes archBlockIn { to { opacity: 1; transform: translateY(0); } }
@keyframes archLineIn { to { opacity: 1; } }
@keyframes archDashFlow { to { stroke-dashoffset: -16; } }

@media (prefers-reduced-motion: reduce) {
	.arch-svg .arch-block, .arch-svg .arch-line { opacity: 1; transform: none; animation: none; stroke-dashoffset: 0; }
}

@media (max-width: 768px) {
	.arch-svg { max-width: 320px; }
}

/* ========== FORM NOTICE + reCAPTCHA badge ========== */
.form-notice { margin-top: 24px; font-size: 12px; line-height: 1.5; color: var(--text-tertiary); font-family: var(--font-mono); }
.form-notice a { color: var(--text-secondary); text-decoration: underline; text-underline-offset: 3px; }
.form-notice a:hover { color: var(--accent); }
.grecaptcha-badge { visibility: hidden; }