/* =========================================================
   ENERGO RUTONICA — общие стили многостраничного сайта
   ========================================================= */

/* ============== RESET ============== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { overflow-x: hidden; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; }
ul { list-style: none; }
table { border-collapse: collapse; width: 100%; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ============== VARIABLES ============== */
:root {
  --ink:        #1a1a1a;
  --body:       #2a2a2a;
  --muted:      #6b6b6b;
  --label:      #8a8a8a;
  --hairline:   #d4d4d4;
  --divider:    #e8e8e8;
  --accent:     #72c2ef;
  --accent-2:   #2b9fd9;
  --accent-3:   #1a78b0;
  --accent-tint:#e8f4fa;
  --accent-glow:rgba(114,194,239,0.35);
  --bg:         #fafaf7;
  --bg-alt:     #f1efe9;
  --bg-tint:    #f5fafd;
  --white:      #ffffff;
  --footer-bg:  #0e0e0e;
  --max:        1320px;
  --pad:        32px;
  --radius:     2px;
}

/* ============== BASE ============== */
body {
  font-family: 'Onest', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); position: relative; }
.container-narrow { max-width: 960px; margin: 0 auto; padding: 0 var(--pad); }

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 24px;
  display: inline-block;
  position: relative;
}
.section-label::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 16px;
}

h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.05; letter-spacing: -0.025em; color: var(--ink); }
h1 { font-size: clamp(40px, 5.8vw, 84px); font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: clamp(32px, 4vw, 56px); letter-spacing: -0.028em; font-weight: 700; }
h3 { font-size: clamp(20px, 1.6vw, 28px); letter-spacing: -0.018em; }
h4 { font-size: 18px; font-weight: 600; }
h5 { font-size: 14px; font-weight: 600; }

p { color: var(--body); }
.lead { font-size: clamp(17px, 1.3vw, 21px); line-height: 1.5; color: var(--body); font-weight: 400; }
.mono { font-family: 'JetBrains Mono', monospace; font-feature-settings: 'tnum'; }

/* ============== HEADER ============== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,250,247,0.88);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.header.scrolled { border-bottom-color: var(--divider); background: rgba(250,250,247,0.96); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.brand { display: flex; align-items: center; transition: opacity .2s ease; }
.brand:hover { opacity: 0.75; }
.brand svg { height: 32px; width: auto; }

.nav {
  display: flex;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
}
.nav a {
  position: relative;
  color: var(--body);
  padding: 10px 18px;
  border-radius: var(--radius);
  transition: color .18s ease;
}
.nav a::before {
  content: "";
  position: absolute;
  left: 18px; right: 18px;
  bottom: 6px;
  height: 1px;
  background: var(--accent-2);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s cubic-bezier(0.65, 0, 0.35, 1);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::before { transform: scaleX(1); }
.nav a.active { color: var(--ink); }
.nav a.active::before { transform: scaleX(1); }

.header-cta { display: flex; align-items: center; gap: 24px; }
.header-phone {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  white-space: nowrap;
  transition: color .15s;
}
.header-phone:hover { color: var(--ink); }

.mobile-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all .25s cubic-bezier(0.65, 0, 0.35, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent-2);
  color: var(--white);
}
.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-3);
  transform: translateY(100%);
  transition: transform .35s cubic-bezier(0.65, 0, 0.35, 1);
  z-index: -1;
}
.btn-primary:hover::before { transform: translateY(0); }
.btn-primary:hover { color: var(--white); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: translateY(100%);
  transition: transform .35s cubic-bezier(0.65, 0, 0.35, 1);
  z-index: -1;
}
.btn-ghost:hover::before { transform: translateY(0); }
.btn-ghost:hover { color: var(--white); }

.btn-accent {
  background: var(--accent);
  color: var(--ink);
  font-weight: 600;
}
.btn-accent::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--white);
  transform: translateY(100%);
  transition: transform .35s cubic-bezier(0.65, 0, 0.35, 1);
  z-index: -1;
}
.btn-accent:hover::before { transform: translateY(0); }
.btn-accent:hover { color: var(--ink); }

.btn-lg { padding: 18px 32px; font-size: 15px; }
.btn-arrow::after {
  content: "→";
  display: inline-block;
  transition: transform .3s cubic-bezier(0.65, 0, 0.35, 1);
}
.btn-arrow:hover::after { transform: translateX(6px); }

/* ============== BREADCRUMBS ============== */
.breadcrumbs {
  padding: 24px 0;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--divider);
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumbs li { display: flex; align-items: center; gap: 8px; }
.breadcrumbs li:not(:last-child)::after {
  content: "/";
  color: var(--hairline);
  margin-left: 8px;
}
.breadcrumbs a { color: var(--muted); transition: color .15s; }
.breadcrumbs a:hover { color: var(--accent-2); }
.breadcrumbs li:last-child { color: var(--ink); font-weight: 500; }

/* ============== HERO ============== */
.hero {
  padding: 96px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  z-index: 0;
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--divider) 1px, transparent 1px),
    linear-gradient(to bottom, var(--divider) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 70% 50%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 70% 50%, black, transparent 70%);
}
.hero-glow {
  position: absolute;
  top: 30%; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: glowDrift 14s ease-in-out infinite alternate;
}
@keyframes glowDrift {
  0% { transform: translate(0, -20px); opacity: 0.6; }
  100% { transform: translate(40px, 20px); opacity: 1; }
}

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin-bottom: 32px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent-2);
}

.hero h1 { margin-bottom: 32px; max-width: 14ch; position: relative; z-index: 1; }
.hero h1 .accent {
  color: var(--accent-2);
  display: inline-block;
  position: relative;
}
.hero h1 .accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.05em;
  height: 6px;
  background: var(--accent);
  opacity: 0.3;
  z-index: -1;
}

.hero-lead {
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.55;
  max-width: 56ch;
  color: var(--muted);
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* Hero variants for inner pages */
.hero-inner {
  padding: 80px 0 64px;
}
.hero-inner h1 { font-size: clamp(36px, 4.5vw, 64px); max-width: 18ch; }

/* Hero stats panel */
.hero-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-stats {
  border: 1px solid var(--divider);
  background: var(--white);
  padding: 40px 36px;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.hero-stats::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--accent);
}
.hero-stats-label {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 28px;
  font-weight: 600;
}
.hero-stats dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 24px;
}
.hero-stats dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--label);
  font-weight: 500;
  margin-bottom: 4px;
}
.hero-stats dd {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.hero-stats dd .unit { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 4px; letter-spacing: 0; }

/* ============== MARQUEE ============== */
.marquee {
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  background: var(--bg-alt);
  overflow: hidden;
  padding: 22px 0;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 64px;
  animation: marqueeScroll 50s linear infinite;
}
.marquee-item {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 16px;
}
.marquee-item::after {
  content: "•";
  color: var(--accent);
  font-size: 18px;
  margin-left: 48px;
}
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============== SECTION BASE ============== */
section { padding: 120px 0; position: relative; }
section.tight { padding: 80px 0; }
section.compact { padding: 56px 0; }
.section-head { margin-bottom: 72px; max-width: 820px; }
.section-head h2 { margin-bottom: 24px; }
.section-head .lead { max-width: 70ch; }

/* ============== REVEAL ANIMATIONS ============== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.shown { opacity: 1; transform: translateY(0); }
.reveal-stagger > * { opacity: 0; transform: translateY(30px); transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal-stagger.shown > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.reveal-stagger.shown > *:nth-child(2) { transition-delay: 0.12s; opacity: 1; transform: translateY(0); }
.reveal-stagger.shown > *:nth-child(3) { transition-delay: 0.19s; opacity: 1; transform: translateY(0); }
.reveal-stagger.shown > *:nth-child(4) { transition-delay: 0.26s; opacity: 1; transform: translateY(0); }
.reveal-stagger.shown > *:nth-child(5) { transition-delay: 0.33s; opacity: 1; transform: translateY(0); }
.reveal-stagger.shown > *:nth-child(6) { transition-delay: 0.40s; opacity: 1; transform: translateY(0); }
.reveal-stagger.shown > *:nth-child(7) { transition-delay: 0.47s; opacity: 1; transform: translateY(0); }
.reveal-stagger.shown > *:nth-child(8) { transition-delay: 0.54s; opacity: 1; transform: translateY(0); }

/* ============== VALUE PROPS GRID ============== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--divider);
}
.value-card {
  padding: 48px 32px 48px 0;
  border-right: 1px solid var(--divider);
  position: relative;
  transition: padding 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}
.value-card:last-child { border-right: none; }
.value-card:not(:first-child) { padding-left: 32px; }
.value-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .45s cubic-bezier(0.65, 0, 0.35, 1);
}
.value-card:hover::before { width: 100%; }
.value-card:hover .value-num { color: var(--ink); }
.value-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent-2);
  letter-spacing: 0.05em;
  margin-bottom: 32px;
  transition: color .25s ease;
}
.value-card h3 { margin-bottom: 16px; max-width: 14ch; }
.value-card p { color: var(--muted); font-size: 15px; line-height: 1.5; }

/* ============== CATALOG CARDS (large category cards) ============== */
.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--divider);
  border: 1px solid var(--divider);
}
.catalog-card {
  background: var(--white);
  padding: 64px 56px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
  transition: background .3s ease;
  position: relative;
  overflow: hidden;
}
.catalog-card:hover { background: var(--bg-tint); }
.catalog-card:hover .catalog-arrow { transform: translate(8px, -8px); color: var(--accent-2); }
.catalog-card:hover .catalog-card-num { color: var(--accent-2); }
.catalog-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 3px;
  background: var(--accent);
  transition: width .5s cubic-bezier(0.65, 0, 0.35, 1);
}
.catalog-card:hover::before { width: 100%; }

.catalog-card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent-2);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  transition: color .2s ease;
}
.catalog-card h3 { font-size: clamp(24px, 2.2vw, 36px); margin-bottom: 20px; }
.catalog-card p { color: var(--muted); margin-bottom: 32px; max-width: 60ch; }
.catalog-card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  display: inline-block;
  transition: color .25s ease, border-color .25s ease;
}
.catalog-card:hover .catalog-card-link { color: var(--accent-2); border-color: var(--accent-2); }

.catalog-card-stats {
  background: var(--bg);
  border: 1px solid var(--divider);
  padding: 32px 28px;
  border-radius: var(--radius);
  position: relative;
}
.catalog-card-stats::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 40px; height: 2px;
  background: var(--accent);
}
.catalog-card-stats h5 {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 20px;
  font-weight: 600;
}
.catalog-card-stats dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.catalog-card-stats dt {
  font-size: 12px;
  color: var(--muted);
}
.catalog-card-stats dd {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.catalog-arrow {
  position: absolute;
  top: 56px;
  right: 56px;
  font-size: 24px;
  color: var(--label);
  transition: all .35s cubic-bezier(0.65, 0, 0.35, 1);
}

/* ============== PRODUCT (RU-SVZ) CARDS ============== */
.svz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--divider);
  border: 1px solid var(--divider);
}
.svz-card {
  background: var(--white);
  padding: 40px 32px;
  position: relative;
  transition: background .3s cubic-bezier(0.65, 0, 0.35, 1);
  display: block;
}
.svz-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s cubic-bezier(0.65, 0, 0.35, 1);
}
.svz-card:hover { background: var(--bg-tint); }
.svz-card:hover::before { transform: scaleX(1); }
.svz-card:hover .svz-arrow { transform: translate(6px, -6px); color: var(--accent-2); }
.svz-card:hover .svz-current { color: var(--accent-2); }

.svz-model {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 8px;
}
.svz-current {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.045em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
  transition: color .3s ease;
}
.svz-current .unit { font-size: 20px; font-weight: 500; color: var(--muted); margin-left: 6px; }
.svz-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 32px;
  font-weight: 600;
}
.svz-specs {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid var(--divider);
}
.svz-spec {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}
.svz-spec-label { color: var(--label); }
.svz-spec-value { color: var(--body); font-weight: 500; }
.svz-arrow {
  position: absolute;
  top: 32px;
  right: 32px;
  font-size: 22px;
  color: var(--label);
  transition: all .35s cubic-bezier(0.65, 0, 0.35, 1);
}

/* ============== MODULES ============== */
.modules { background: var(--bg-alt); position: relative; overflow: hidden; }
.modules::before {
  content: "";
  position: absolute;
  top: -10%; left: -5%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  opacity: 0.4;
}
.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
  z-index: 1;
}
.module-card {
  background: var(--white);
  padding: 32px 28px;
  border: 1px solid transparent;
  transition: all .3s cubic-bezier(0.65, 0, 0.35, 1);
  position: relative;
  overflow: hidden;
}
.module-card::after {
  content: "↗";
  position: absolute;
  top: 28px; right: 28px;
  font-size: 16px;
  color: var(--label);
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: all .3s cubic-bezier(0.65, 0, 0.35, 1);
}
.module-card:hover { border-color: var(--accent-2); transform: translateY(-4px); }
.module-card:hover::after { opacity: 1; transform: translate(0, 0); color: var(--accent-2); }
.module-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 12px;
  transition: letter-spacing .3s ease;
}
.module-card:hover .module-name { letter-spacing: 0.02em; }
.module-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
  min-height: 5.5em;
}
.module-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 4px 10px;
  margin-top: 16px;
  border-radius: var(--radius);
}
.module-tag.live { background: var(--accent-tint); color: var(--accent-3); }
.module-tag.soon { background: rgba(200,140,40,0.15); color: #c88c28; }

/* Module ecosystem accent card (replaces black card) */
.module-card.accent {
  background: var(--accent-2);
  color: var(--white);
  border: 1px solid var(--accent-2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.module-card.accent:hover { background: var(--accent-3); border-color: var(--accent-3); transform: translateY(-4px); }
.module-card.accent .module-name { color: var(--white); }
.module-card.accent .module-desc { color: rgba(255,255,255,0.85); min-height: 0; }
.module-card.accent::after { color: rgba(255,255,255,0.6); }
.module-card.accent a { color: var(--white); border-bottom: 1px solid rgba(255,255,255,0.5); padding-bottom: 2px; font-size: 13px; font-weight: 500; margin-top: 16px; display: inline-block; transition: border-color .2s; }
.module-card.accent a:hover { border-color: var(--white); }

/* ============== SERVICES LIST ============== */
.service-list { border-top: 1px solid var(--accent-2); }
.service-row {
  display: grid;
  grid-template-columns: 60px 1.4fr 2fr auto;
  align-items: center;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--divider);
  position: relative;
  cursor: pointer;
  transition: padding-left .4s cubic-bezier(0.65, 0, 0.35, 1);
}
.service-row::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 100%;
  background: var(--bg-tint);
  z-index: -1;
  transition: width .5s cubic-bezier(0.65, 0, 0.35, 1);
}
.service-row:hover { padding-left: 24px; }
.service-row:hover::before { width: calc(100% + 48px); left: -24px; }
.service-row:hover .service-arrow { transform: translateX(12px) rotate(-45deg); color: var(--accent-2); }
.service-row:hover .service-name { color: var(--accent-2); }
.service-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent-2);
  letter-spacing: 0.05em;
  font-weight: 500;
}
.service-name {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.018em;
  transition: color .25s ease;
}
.service-desc { color: var(--muted); font-size: 15px; }
.service-arrow {
  font-size: 24px;
  color: var(--label);
  transition: all .4s cubic-bezier(0.65, 0, 0.35, 1);
}

/* ============== INDUSTRIES ============== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.industry-card {
  position: relative;
  padding: 56px 48px;
  min-height: 320px;
  background: var(--white);
  border: 1px solid var(--divider);
  overflow: hidden;
  transition: all .4s cubic-bezier(0.65, 0, 0.35, 1);
  display: block;
}
.industry-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-2);
  box-shadow: 0 24px 40px -24px rgba(43,159,217,0.18);
}
.industry-card:hover .industry-link { color: var(--accent-2); }
.industry-card:hover .industry-link::after { transform: translateX(6px); }

/* OPK card — accent variant instead of dark */
.industry-card.opk {
  background: linear-gradient(135deg, var(--accent-tint) 0%, var(--white) 100%);
  border: 1px solid var(--accent);
}
.industry-card.opk::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle at top right, var(--accent-glow) 0%, transparent 65%);
}
.industry-card.opk .industry-eyebrow { color: var(--accent-3); }

.industry-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.industry-card h3 { margin-bottom: 20px; max-width: 18ch; position: relative; z-index: 1; }
.industry-card p { color: var(--muted); max-width: 36ch; font-size: 15px; position: relative; z-index: 1; }
.industry-link {
  position: absolute;
  bottom: 48px;
  left: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
  transition: all .3s ease;
  z-index: 1;
}
.industry-link::after { content: "→"; transition: transform .3s ease; }

/* ============== WHY US ============== */
.why-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 96px;
  align-items: start;
}
.why-list { display: flex; flex-direction: column; gap: 0; }
.why-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--divider);
  position: relative;
}
.why-item:first-child { border-top: 1px solid var(--divider); }
.why-item::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 0; height: 1px;
  background: var(--accent-2);
  transition: width .6s cubic-bezier(0.65, 0, 0.35, 1);
}
.why-item:hover::before { width: 100%; }
.why-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent-2);
  letter-spacing: 0.05em;
  padding-top: 4px;
  font-weight: 500;
}
.why-item h4 { font-size: 19px; margin-bottom: 8px; letter-spacing: -0.018em; }
.why-item p { color: var(--muted); font-size: 15px; }

/* ============== CERTIFICATES ============== */
.certs { background: var(--bg-alt); }
.cert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--divider);
  border: 1px solid var(--divider);
}
.cert-card {
  background: var(--white);
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  transition: background .3s ease;
}
.cert-card:hover { background: var(--bg-tint); }
.cert-card:hover .cert-icon { transform: scale(1.1) rotate(-3deg); color: var(--accent); }
.cert-icon {
  width: 36px; height: 36px;
  margin-bottom: 24px;
  color: var(--accent-2);
  transition: all .4s cubic-bezier(0.65, 0, 0.35, 1);
}
.cert-card h4 { font-size: 14px; margin-bottom: 8px; line-height: 1.3; }
.cert-card p { font-size: 12px; color: var(--muted); line-height: 1.4; }

/* ============== AUDIENCE CTA ============== */
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.audience-card {
  background: var(--white);
  border: 1px solid var(--divider);
  padding: 56px 48px;
  position: relative;
  transition: all .4s cubic-bezier(0.65, 0, 0.35, 1);
  overflow: hidden;
}
.audience-card::before {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .5s cubic-bezier(0.65, 0, 0.35, 1);
}
.audience-card:hover {
  border-color: var(--accent-2);
  transform: translateY(-4px);
  box-shadow: 0 24px 40px -24px rgba(43,159,217,0.18);
}
.audience-card:hover::before { transform-origin: left; transform: scaleX(1); }
.audience-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 20px;
}
.audience-card h3 { margin-bottom: 16px; }
.audience-card p { color: var(--muted); font-size: 15px; margin-bottom: 32px; max-width: 38ch; }
.audience-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: gap .3s ease, color .25s ease, border-color .25s ease;
}
.audience-card:hover .audience-link { gap: 14px; color: var(--accent-2); border-color: var(--accent-2); }

/* ============== CONTACT SECTION (light, no black) ============== */
.contact-section {
  background: var(--bg-tint);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--divider);
}
.contact-section::before {
  content: "";
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow), transparent 60%);
  pointer-events: none;
  opacity: 0.6;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.contact-info dl { display: flex; flex-direction: column; gap: 32px; margin-top: 64px; }
.contact-info dt {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 10px;
  font-weight: 500;
}
.contact-info dd { font-size: 19px; font-weight: 500; color: var(--ink); }
.contact-info dd a { color: var(--accent-2); transition: color .15s; }
.contact-info dd a:hover { color: var(--accent-3); }
.contact-info dd .small {
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 6px;
}

.contact-form {
  background: var(--white);
  padding: 48px;
  border: 1px solid var(--divider);
  position: relative;
}
.contact-form::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--accent);
}
.field { position: relative; margin-bottom: 28px; }
.field input, .field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--hairline);
  padding: 22px 0 12px;
  color: var(--ink);
  font-size: 16px;
  width: 100%;
  transition: border-color .25s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--accent-2); }
.field label {
  position: absolute;
  top: 22px;
  left: 0;
  font-size: 16px;
  color: var(--muted);
  transition: all .25s cubic-bezier(0.65, 0, 0.35, 1);
  pointer-events: none;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 500;
}
.field textarea { resize: vertical; min-height: 80px; }
.contact-form .btn-primary {
  width: 100%;
  padding: 18px;
  justify-content: center;
  margin-top: 16px;
  font-weight: 600;
}
.consent {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 20px;
}
.consent a { color: var(--accent-2); border-bottom: 1px solid var(--accent); }

/* ============== SPEC TABLES (for individual product pages) ============== */
.spec-table {
  border-top: 1px solid var(--divider);
}
.spec-table-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  padding: 18px 0;
  border-bottom: 1px solid var(--divider);
  transition: background-color .2s ease;
}
.spec-table-row:hover { background: var(--bg-tint); }
.spec-table-label { color: var(--muted); font-size: 14px; }
.spec-table-value { color: var(--ink); font-size: 15px; font-weight: 500; }

.spec-group { margin-bottom: 56px; }
.spec-group h3 { margin-bottom: 24px; font-size: 22px; }

/* ============== DOWNLOAD CARDS (for individual product pages) ============== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.download-card {
  background: var(--white);
  border: 1px solid var(--divider);
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: all .3s cubic-bezier(0.65, 0, 0.35, 1);
  position: relative;
}
.download-card::after {
  content: "↓";
  position: absolute;
  top: 28px; right: 28px;
  font-size: 18px;
  color: var(--label);
  transition: all .3s ease;
}
.download-card:hover { border-color: var(--accent-2); transform: translateY(-2px); }
.download-card:hover::after { color: var(--accent-2); transform: translateY(4px); }
.download-card-ext {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 16px;
}
.download-card h4 { font-size: 15px; margin-bottom: 6px; }
.download-card p { font-size: 13px; color: var(--muted); }

/* ============== FOOTER (стается чёрным — пользователь явно разрешил) ============== */
.footer {
  background: var(--footer-bg);
  color: rgba(255,255,255,0.7);
  padding: 96px 0 36px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 80px;
}
.footer-brand svg { height: 36px; margin-bottom: 24px; }
.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  max-width: 32ch;
  line-height: 1.55;
}
.footer-col h5 {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 24px;
  font-weight: 600;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: rgba(255,255,255,0.7); transition: color .18s; position: relative; display: inline-block; }
.footer-col a::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .25s ease;
}
.footer-col a:hover { color: var(--white); }
.footer-col a:hover::after { width: 100%; }
.footer-bottom {
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom .brand-mark { color: rgba(255,255,255,0.75); font-weight: 600; letter-spacing: 0.04em; }

/* ============== RESPONSIVE ============== */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 64px; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .value-card:nth-child(2) { border-right: none; }
  .value-card:nth-child(3), .value-card:nth-child(4) { border-top: 1px solid var(--divider); }
  .svz-grid { grid-template-columns: repeat(2, 1fr); }
  .module-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 56px; }
  .catalog-card { grid-template-columns: 1fr; gap: 32px; }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --pad: 20px; }
  section { padding: 80px 0; }
  .nav, .header-phone { display: none; }
  .mobile-toggle { display: flex; }
  .header-cta .btn-primary { padding: 10px 18px; font-size: 13px; }
  .hero { padding: 56px 0 64px; }
  .hero-inner { padding: 48px 0 48px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { padding: 32px 28px; }
  .hero-stats dl { gap: 24px 16px; }
  .section-head { margin-bottom: 48px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { border-right: none !important; border-top: 1px solid var(--divider) !important; padding: 36px 0 !important; }
  .value-card:first-child { border-top: none !important; }
  .svz-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 40px 1fr auto; gap: 16px; padding: 28px 0; }
  .service-desc { display: none; }
  .industries-grid { grid-template-columns: 1fr; }
  .industry-card { padding: 40px 32px; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-card { padding: 40px 32px; }
  .contact-form { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; margin-bottom: 56px; }
  .catalog-card { padding: 40px 28px; }
  .spec-table-row { grid-template-columns: 1fr; gap: 4px; padding: 14px 0; }
  .download-grid { grid-template-columns: 1fr; }
  h1 { font-size: 40px; }
  h2 { font-size: 30px; }
  .marquee-track { animation-duration: 30s; }
}

/* =========================================================
   v2 — ДОПОЛНЕНИЯ ДЛЯ ФИНАЛЬНОЙ ГЛАВНОЙ СТРАНИЦЫ
   ========================================================= */

/* ============== HERO ENHANCEMENTS ============== */
.hero h1 .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(60%);
  animation: wordReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes wordReveal {
  to { opacity: 1; transform: translateY(0); }
}
.hero h1 .word.w1 { animation-delay: 0.4s; }
.hero h1 .word.w2 { animation-delay: 0.5s; }
.hero h1 .word.w3 { animation-delay: 0.6s; }
.hero h1 .word.w4 { animation-delay: 0.7s; }
.hero h1 .word.w5 { animation-delay: 0.8s; }
.hero h1 .word.w6 { animation-delay: 0.9s; }
.hero h1 .word.w7 { animation-delay: 1.0s; }

.hero-eyebrow.delayed { opacity: 0; animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards; }
.hero-lead.delayed { opacity: 0; animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 1.3s forwards; }
.hero-actions.delayed { opacity: 0; animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 1.5s forwards; }
.hero-stats.delayed { opacity: 0; transform: translateX(40px); animation: statsIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards; }
@keyframes statsIn { to { opacity: 1; transform: translateX(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--label);
  opacity: 0;
  animation: fadeUp 0.8s ease 2s forwards;
  z-index: 2;
}
.scroll-hint-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--hairline));
  position: relative;
  overflow: hidden;
}
.scroll-hint-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 60%;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0% { top: -60%; }
  100% { top: 100%; }
}

/* ============== ACHIEVEMENT STATS STRIP ============== */
.achievements {
  padding: 96px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--divider);
}
.ach-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}
.ach-item {
  padding: 32px;
  border-right: 1px solid var(--divider);
  position: relative;
}
.ach-item:last-child { border-right: none; }
.ach-item::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}
.ach-item:hover::before { width: 100%; }
.ach-value {
  font-size: clamp(40px, 4.6vw, 64px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.ach-value .unit { font-size: 0.4em; font-weight: 500; color: var(--muted); margin-left: 4px; }
.ach-value .plus { color: var(--accent-2); }
.ach-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.4;
  max-width: 22ch;
}

/* ============== SOPT DIAGRAM ============== */
.sopt-section { padding: 120px 0; position: relative; overflow: hidden; }
.sopt-section::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--accent-glow), transparent 60%);
  opacity: 0.4;
  pointer-events: none;
}
.sopt-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 96px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.sopt-info h2 { margin-bottom: 24px; }
.sopt-info p { color: var(--muted); margin-bottom: 24px; }
.sopt-legend {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--divider);
}
.sopt-legend-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 16px;
  align-items: center;
  font-size: 14px;
}
.sopt-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  justify-self: center;
}
.sopt-legend-dot.power { background: var(--accent-2); }
.sopt-legend-dot.data { background: var(--ink); }
.sopt-legend-dot.module { background: var(--accent); border: 2px solid var(--accent-3); }
.sopt-legend-label { color: var(--body); font-weight: 500; }
.sopt-legend-desc { color: var(--muted); font-size: 13px; }

.sopt-diagram {
  position: relative;
  width: 100%;
  aspect-ratio: 1.1 / 1;
}
.sopt-diagram svg { width: 100%; height: 100%; }
.sopt-node-rect { fill: var(--white); stroke: var(--ink); stroke-width: 1.5; transition: all 0.3s ease; }
.sopt-node-rect.central { fill: var(--accent-2); stroke: var(--accent-3); }
.sopt-node-rect.module { fill: var(--bg-tint); stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: none; }
.sopt-node-rect.battery { fill: var(--bg-alt); stroke: var(--ink); }
.sopt-node-rect.asu { fill: var(--ink); stroke: var(--ink); }
.sopt-node-label { font-family: 'Onest', sans-serif; font-size: 11px; font-weight: 600; fill: var(--ink); text-anchor: middle; letter-spacing: 0.5px; }
.sopt-node-label.on-accent { fill: var(--white); }
.sopt-node-label.on-dark { fill: var(--white); }
.sopt-node-sub { font-family: 'JetBrains Mono', monospace; font-size: 9px; fill: var(--muted); text-anchor: middle; letter-spacing: 0.5px; }
.sopt-node-sub.on-accent { fill: rgba(255,255,255,0.85); }
.sopt-node-sub.on-dark { fill: rgba(255,255,255,0.65); }

.sopt-line-power { stroke: var(--accent-2); stroke-width: 2; fill: none; stroke-linecap: round; }
.sopt-line-data  { stroke: var(--ink); stroke-width: 1.2; fill: none; stroke-dasharray: 4 4; stroke-linecap: round; }
.sopt-arrow { fill: var(--accent-2); }
.sopt-arrow.data { fill: var(--ink); }

/* Animate power lines */
.sopt-line-power.animate {
  stroke-dasharray: 8 6;
  animation: powerFlow 1.2s linear infinite;
}
@keyframes powerFlow { to { stroke-dashoffset: -28; } }

/* Draw-in animation for paths */
.sopt-diagram.in-view .sopt-line-power,
.sopt-diagram.in-view .sopt-line-data {
  animation: drawLine 1.2s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}
.sopt-line-power, .sopt-line-data {
  stroke-dashoffset: 1000;
  stroke-dasharray: 1000;
}
@keyframes drawLine { to { stroke-dashoffset: 0; } }

.sopt-diagram.in-view .sopt-line-power.flow {
  animation: drawThenFlow 2s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}
@keyframes drawThenFlow {
  0% { stroke-dashoffset: 1000; stroke-dasharray: 1000; }
  50% { stroke-dashoffset: 0; stroke-dasharray: 1000; }
  60% { stroke-dasharray: 8 6; stroke-dashoffset: 0; }
  100% { stroke-dasharray: 8 6; stroke-dashoffset: -56; }
}

.sopt-node {
  opacity: 0;
  transform: scale(0.92);
  transform-origin: center;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.sopt-diagram.in-view .sopt-node { opacity: 1; transform: scale(1); }
.sopt-diagram.in-view .sopt-node:nth-child(1) { transition-delay: 0.05s; }
.sopt-diagram.in-view .sopt-node:nth-child(2) { transition-delay: 0.12s; }
.sopt-diagram.in-view .sopt-node:nth-child(3) { transition-delay: 0.19s; }
.sopt-diagram.in-view .sopt-node:nth-child(4) { transition-delay: 0.26s; }
.sopt-diagram.in-view .sopt-node:nth-child(5) { transition-delay: 0.33s; }
.sopt-diagram.in-view .sopt-node:nth-child(6) { transition-delay: 0.40s; }
.sopt-diagram.in-view .sopt-node:nth-child(7) { transition-delay: 0.47s; }
.sopt-diagram.in-view .sopt-node:nth-child(8) { transition-delay: 0.54s; }

/* ============== PROCESS TIMELINE ============== */
.process-section { padding: 120px 0; background: var(--bg-alt); position: relative; overflow: hidden; }
.process-section::before {
  content: "";
  position: absolute;
  bottom: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow), transparent 65%);
  opacity: 0.5;
}
.process-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}
.process-timeline::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 60px;
  right: 60px;
  height: 1px;
  background: var(--divider);
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
}
.process-step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  margin-bottom: 32px;
  font-weight: 500;
}
.process-step-dot {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--divider);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 24px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.65, 0, 0.35, 1);
}
.process-step:hover .process-step-dot {
  background: var(--accent-2);
  color: var(--white);
  border-color: var(--accent-2);
  transform: scale(1.06);
}
.process-step:hover .process-step-dot::before {
  opacity: 1;
  transform: scale(1.4);
}
.process-step-dot::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
}
.process-step h4 { font-size: 15px; margin-bottom: 8px; letter-spacing: -0.015em; }
.process-step p { font-size: 13px; color: var(--muted); line-height: 1.5; }
.process-step.highlight .process-step-dot {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}

/* ============== FAQ ============== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 920px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--divider);
}
.faq-item:first-child { border-top: 1px solid var(--divider); }
.faq-question {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  padding: 28px 0;
  background: transparent;
  border: none;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.015em;
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--accent-2); }
.faq-toggle {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 400;
  color: var(--accent-2);
  transition: transform 0.3s cubic-bezier(0.65, 0, 0.35, 1);
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.65, 0, 0.35, 1);
}
.faq-answer-inner {
  padding-bottom: 28px;
  padding-right: 56px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}
.faq-answer-inner p { color: var(--muted); margin-bottom: 12px; }
.faq-answer-inner p:last-child { margin-bottom: 0; }
.faq-item.open .faq-answer { max-height: 600px; }

/* ============== ENHANCED SVZ CARDS ============== */
.svz-card .svz-current { font-feature-settings: 'tnum'; }

/* ============== HERO ENHANCED BG ============== */
.hero-electric {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

/* ============== SECTION TITLE ENHANCEMENTS ============== */
.split-title {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: end;
  margin-bottom: 80px;
}
.split-title h2 { margin-bottom: 0; }
.split-title .lead { color: var(--muted); margin-top: 0; }

/* ============== RESPONSIVE FOR NEW SECTIONS ============== */
@media (max-width: 1100px) {
  .ach-grid { grid-template-columns: repeat(2, 1fr); }
  .ach-item { border-right: 1px solid var(--divider); border-bottom: 1px solid var(--divider); padding: 28px; }
  .ach-item:nth-child(odd) { border-right: 1px solid var(--divider); }
  .ach-item:nth-child(even) { border-right: none; }
  .ach-item:nth-last-child(-n+1) { border-bottom: none; }
  .sopt-grid { grid-template-columns: 1fr; gap: 48px; }
  .process-timeline { grid-template-columns: repeat(3, 1fr); gap: 32px 24px; }
  .process-timeline::before { display: none; }
  .split-title { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 768px) {
  .ach-grid { grid-template-columns: 1fr; }
  .ach-item { border-right: none !important; border-bottom: 1px solid var(--divider); padding: 28px 0; }
  .ach-item:last-child { border-bottom: none; }
  .ach-value { font-size: 40px; }
  .process-timeline { grid-template-columns: 1fr; }
  .faq-question { font-size: 17px; padding: 20px 0; }
  .faq-answer-inner { padding-right: 0; padding-bottom: 20px; }
  .sopt-diagram { aspect-ratio: 1 / 1; }
}