/* ===========================================================
   STEEL RANK — Premium edition
   =========================================================== */

:root {
  /* Brand */
  --c-blue:        #22C5FF;
  --c-blue-deep:   #0EA5E9;
  --c-blue-ink:    #0B1F3A;
  --c-lime:        #C4F542;
  --c-lime-deep:   #A8DC2A;
  --c-peach:       #FFB29B;

  /* Neutrals */
  --c-bg:          #F7F8FB;
  --c-bg-soft:     #EEF2F7;
  --c-card:        #FFFFFF;
  --c-ink:         #0B1220;
  --c-ink-2:       #2A3346;
  --c-mute:        #6A7587;
  --c-line:        #E6EAF1;

  /* Dark surface */
  --c-dark:        #0A0F1C;
  --c-dark-2:      #111827;
  --c-dark-3:      #1B2438;
  --c-dark-line:   rgba(255,255,255,0.08);

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(13, 26, 51, 0.06);
  --shadow-md: 0 12px 32px -8px rgba(13, 26, 51, 0.12);
  --shadow-lg: 0 30px 80px -20px rgba(13, 26, 51, 0.18);
  --shadow-blue: 0 24px 60px -16px rgba(34, 197, 255, 0.45);

  --radius-sm: 12px;
  --radius:    20px;
  --radius-lg: 28px;
  --radius-xl: 36px;

  --container: 1240px;

  --t-fast: 180ms cubic-bezier(.2,.7,.2,1);
  --t-med:  320ms cubic-bezier(.2,.7,.2,1);
}

/* ----------- RESET ----------- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Manrope', 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,h5 { margin: 0; line-height: 1.1; font-weight: 800; letter-spacing: -0.02em; }
p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ----------- TYPOGRAPHY HELPERS ----------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-blue-deep);
  padding: 8px 14px;
  background: rgba(34, 197, 255, 0.08);
  border-radius: 999px;
  margin-bottom: 18px;
}
.eyebrow--light {
  color: var(--c-lime);
  background: rgba(196, 245, 66, 0.10);
}

.hl {
  display: inline-block;
  position: relative;
  padding: 2px 14px;
  border-radius: 12px;
  white-space: nowrap;
}
.hl--lime { background: var(--c-lime); color: var(--c-ink); }
.hl--blue { background: var(--c-blue); color: #fff; }
.hl--peach{ background: var(--c-peach); color: var(--c-ink); }

/* ----------- BUTTONS ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  cursor: pointer;
  text-align: center;
}
.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-deep) 100%);
  box-shadow: 0 14px 30px -10px rgba(14, 165, 233, 0.6), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-blue); }
.btn--ghost {
  color: var(--c-ink);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--c-line);
}
.btn--ghost:hover { background: #fff; border-color: var(--c-blue); color: var(--c-blue-deep); }
.btn--lg { padding: 18px 32px; font-size: 16px; }
.btn--block { width: 100%; }
.btn__arrow { transition: transform var(--t-fast); display: inline-block; }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ----------- HEADER ----------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 248, 251, 0.7);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid rgba(230, 234, 241, 0.6);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo__mark {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--c-ink);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.logo__mark svg { width: 26px; height: 26px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__title { font-weight: 800; font-size: 15px; letter-spacing: -0.02em; }
.logo__sub { font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--c-mute); margin-top: 3px; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__item { position: relative; }
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-ink-2);
  transition: background var(--t-fast), color var(--t-fast);
}
.nav__link:hover { background: rgba(34, 197, 255, 0.08); color: var(--c-blue-deep); }
.nav__caret { font-size: 10px; opacity: 0.7; }
.nav__sub {
  position: absolute;
  top: 100%; left: 0;
  min-width: 200px;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 8px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
}
.nav__item--has-sub:hover .nav__sub { opacity: 1; visibility: visible; transform: translateY(4px); }
.nav__sub a {
  display: block; padding: 10px 14px; border-radius: 8px;
  font-size: 14px; font-weight: 600; color: var(--c-ink-2);
}
.nav__sub a:hover { background: var(--c-bg-soft); color: var(--c-blue-deep); }

.header__phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--c-ink);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  transition: background var(--t-fast), transform var(--t-fast);
}
.header__phone:hover { background: var(--c-blue-deep); transform: translateY(-1px); }
.header__phone-icon { width: 18px; height: 18px; color: var(--c-lime); }

.burger { display: none; width: 40px; height: 40px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.burger span { width: 22px; height: 2px; background: var(--c-ink); border-radius: 2px; transition: transform var(--t-fast), opacity var(--t-fast); }

/* ----------- HERO ----------- */
.hero {
  position: relative;
  padding: 60px 0 100px;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute; inset: 0;
  z-index: -1;
  pointer-events: none;
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
}
.hero__orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--c-blue) 0%, transparent 70%);
  top: -200px; left: -150px;
}
.hero__orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--c-lime) 0%, transparent 70%);
  top: 100px; right: -180px;
  opacity: 0.4;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(13,26,51,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(13,26,51,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
}

.hero__inner {
  position: relative;
  text-align: center;
  max-width: 980px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px 8px 14px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-ink-2);
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}
.hero__badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(196, 245, 66, 0.25);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(196, 245, 66, 0.25); }
  50% { box-shadow: 0 0 0 8px rgba(196, 245, 66, 0.10); }
}

.hero__title {
  font-size: clamp(40px, 6.4vw, 88px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin-bottom: 26px;
  text-transform: uppercase;
}
.hero__title-accent {
  display: inline-block;
  background: var(--c-lime);
  color: var(--c-ink);
  padding: 0 18px;
  border-radius: 18px;
  margin-top: 8px;
  transform: rotate(-1deg);
  box-shadow: 0 14px 34px -10px rgba(196, 245, 66, 0.6);
}

.hero__lead {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--c-ink-2);
  margin: 0 auto 40px;
  max-width: 720px;
  line-height: 1.55;
}
.hero__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 720px;
  margin: 0 auto 70px;
  padding: 22px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.hero__stats li {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  position: relative;
}
.hero__stats li + li::before {
  content: ''; position: absolute; left: -10px; top: 10%; bottom: 10%;
  width: 1px; background: var(--c-line);
}
.hero__stats strong {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-ink);
}
.hero__stats span {
  font-size: 12px;
  color: var(--c-mute);
  margin-top: 4px;
  line-height: 1.3;
}

.hero__showcase {
  position: relative;
  height: 220px;
  max-width: 880px;
  margin: 0 auto;
}
.hero__card {
  position: absolute;
  width: 280px;
  padding: 18px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-line);
  text-align: left;
}
.hero__card--left { left: 0; top: 20px; transform: rotate(-4deg); }
.hero__card--right { right: 0; top: 60px; transform: rotate(3deg); }
.hero__card-row { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--c-mute); font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot--green { background: var(--c-lime-deep); }
.dot--blue { background: var(--c-blue); }
.hero__card-num { font-size: 32px; font-weight: 800; letter-spacing: -0.03em; margin: 6px 0 12px; }
.hero__card-bar { height: 6px; background: var(--c-bg-soft); border-radius: 999px; overflow: hidden; }
.hero__card-bar > span {
  display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--c-blue), var(--c-lime));
}
.hero__card-foot { font-size: 12px; color: var(--c-mute); margin-top: 10px; }
.hero__card-foot em { font-style: normal; font-weight: 700; color: var(--c-lime-deep); }

/* ----------- MARQUEE ----------- */
.marquee {
  background: var(--c-ink);
  color: rgba(255,255,255,0.5);
  padding: 22px 0;
  overflow: hidden;
  border-top: 1px solid var(--c-dark-line);
  border-bottom: 1px solid var(--c-dark-line);
}
.marquee__track {
  display: flex;
  gap: 36px;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.marquee__track span:nth-child(odd) { color: #fff; }
.marquee__track span:nth-child(even) { color: var(--c-lime); }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ----------- SECTION BASE ----------- */
.section { padding: 110px 0; position: relative; }
.section--dark {
  background: var(--c-dark);
  color: rgba(255,255,255,0.85);
}
.section--dark::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 0%, rgba(34,197,255,0.18), transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(196,245,66,0.10), transparent 70%);
  pointer-events: none;
}
.section--dark > .container { position: relative; }

.section__head {
  max-width: 760px;
  margin: 0 auto 70px;
  text-align: center;
}
.section__head--light { color: #fff; }
.section__title {
  font-size: clamp(30px, 3.6vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 18px;
}
.section__lead {
  font-size: 17px;
  color: var(--c-mute);
  line-height: 1.6;
}
.section__head--light .section__lead { color: rgba(255,255,255,0.6); }

/* ----------- PROBLEMS ----------- */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.problem-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
  position: relative;
  overflow: hidden;
}
.problem-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 100% 60% at 100% 0%, rgba(34,197,255,0.06), transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-med);
}
.problem-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(34,197,255,0.25); }
.problem-card:hover::after { opacity: 1; }
.problem-card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--c-lime);
  color: var(--c-ink);
  display: grid; place-items: center;
  margin-bottom: 22px;
  box-shadow: 0 10px 24px -8px rgba(196,245,66,0.6);
}
.problem-card__icon svg { width: 24px; height: 24px; }
.problem-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.problem-card p {
  color: var(--c-mute);
  font-size: 15px;
  line-height: 1.55;
}

/* ----------- PROCESS ----------- */
.process__list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 80px;
}
.process__list::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, rgba(34,197,255,0.4), rgba(196,245,66,0.4), transparent);
  transform: translateX(-50%);
}
.process-step {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}
.process-step--reverse .process-step__visual { order: 2; }
.process-step--reverse .process-step__content { order: 1; }

.process-step__visual {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #1B2438 0%, #0F1626 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-dark-line);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.process-step__chip {
  position: absolute;
  top: 18px; left: 18px;
  padding: 6px 12px;
  background: rgba(34,197,255,0.15);
  border: 1px solid rgba(34,197,255,0.3);
  color: var(--c-blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 999px;
  z-index: 2;
}
.process-step__viz {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}

/* viz 1 — search/chart */
.viz-chart {
  display: flex; align-items: flex-end; gap: 12px;
  height: 70%;
  width: 80%;
}
.viz-chart__bar {
  flex: 1;
  background: linear-gradient(to top, rgba(34,197,255,0.2), var(--c-blue));
  border-radius: 6px 6px 0 0;
  animation: rise 1.4s cubic-bezier(.2,.7,.2,1) backwards;
}
.viz-chart__bar:nth-child(1){ animation-delay: 0.1s; }
.viz-chart__bar:nth-child(2){ animation-delay: 0.2s; background: linear-gradient(to top, rgba(196,245,66,0.2), var(--c-lime)); }
.viz-chart__bar:nth-child(3){ animation-delay: 0.3s; }
.viz-chart__bar:nth-child(4){ animation-delay: 0.4s; background: linear-gradient(to top, rgba(196,245,66,0.2), var(--c-lime)); }
.viz-chart__bar:nth-child(5){ animation-delay: 0.5s; }
.viz-chart__bar:nth-child(6){ animation-delay: 0.6s; }
@keyframes rise {
  from { transform: scaleY(0); transform-origin: bottom; }
}
.viz-search {
  position: absolute;
  bottom: 18px; left: 18px;
  background: rgba(255,255,255,0.95);
  color: var(--c-ink);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
}
.viz-search__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-lime-deep);
  box-shadow: 0 0 0 4px rgba(168, 220, 42, 0.25);
}

/* viz 2 — competitors table */
.viz-table {
  width: 92%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 8px;
  backdrop-filter: blur(10px);
}
.viz-table__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  position: relative;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}
.viz-table__row span { font-weight: 600; }
.viz-table__row em { font-style: normal; font-weight: 700; color: #fff; font-size: 13px; }
.viz-table__row::before {
  content: ''; position: absolute; left: 16px; right: 16px; bottom: 6px;
  height: 4px; background: rgba(255,255,255,0.06); border-radius: 999px;
}
.viz-table__bar { display: none; }
.viz-table__row::after {
  content: ''; position: absolute; left: 16px; bottom: 6px;
  height: 4px; width: var(--w);
  background: linear-gradient(90deg, var(--c-blue), var(--c-lime));
  border-radius: 999px;
}
.viz-table__row--you {
  background: rgba(196, 245, 66, 0.10);
  border: 1px solid rgba(196, 245, 66, 0.3);
}
.viz-table__row--you span { color: var(--c-lime); }

/* viz 3 — map */
.viz-map {
  position: relative;
  width: 100%; height: 100%;
  color: var(--c-blue);
  background:
    radial-gradient(circle at 30% 40%, rgba(34,197,255,0.08), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(196,245,66,0.05), transparent 50%);
  border-radius: var(--radius-sm);
}
.viz-map__pin {
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 6px rgba(196, 245, 66, 0.2), 0 0 0 14px rgba(196, 245, 66, 0.08);
  animation: pulse 2.4s ease-in-out infinite;
}
.viz-map__pin:nth-child(2) { animation-delay: 0.3s; background: var(--c-blue); box-shadow: 0 0 0 6px rgba(34, 197, 255, 0.2), 0 0 0 14px rgba(34, 197, 255, 0.08); }
.viz-map__pin:nth-child(3) { animation-delay: 0.6s; }
.viz-map__pin:nth-child(4) { animation-delay: 0.9s; background: var(--c-blue); box-shadow: 0 0 0 6px rgba(34, 197, 255, 0.2); }
.viz-map__pin:nth-child(5) { animation-delay: 1.2s; }
.viz-map__lines {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  color: rgba(255,255,255,0.25);
}

/* viz 4 — listing card */
.viz-card {
  background: #fff;
  color: var(--c-ink);
  border-radius: var(--radius);
  padding: 18px;
  width: 92%;
  max-width: 360px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.08);
}
.viz-card__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
.viz-card__tag {
  background: var(--c-lime); color: var(--c-ink);
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
}
.viz-card__rating {
  font-size: 12px; font-weight: 700; color: var(--c-mute);
}
.viz-card h4 {
  font-size: 17px; margin-bottom: 6px; letter-spacing: -0.02em;
}
.viz-card p {
  font-size: 13px; color: var(--c-mute); line-height: 1.45;
  margin-bottom: 14px;
}
.viz-card__foot {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px; border-top: 1px solid var(--c-line);
}
.viz-card__price { font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.viz-card__cta { color: var(--c-blue-deep); font-weight: 700; font-size: 13px; }

/* viz 5 — line chart */
.viz-line {
  width: 100%; height: 100%;
  position: relative;
}
.viz-line svg { width: 100%; height: 100%; }
.viz-line__pt {
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--c-blue);
  box-shadow: 0 0 0 4px rgba(34,197,255,0.3), 0 0 0 10px rgba(34,197,255,0.1);
  transform: translate(-50%, -50%);
}
.viz-line__legend {
  position: absolute;
  top: 18px; right: 18px;
  background: rgba(34,197,255,0.15);
  border: 1px solid rgba(34,197,255,0.3);
  padding: 10px 14px;
  border-radius: 12px;
  display: flex; flex-direction: column;
  font-size: 11px; color: rgba(255,255,255,0.7);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.viz-line__legend strong { font-size: 22px; color: var(--c-blue); letter-spacing: -0.02em; text-transform: none; }

/* viz 6 — launch */
.viz-launch {
  text-align: center;
  position: relative;
  width: 100%;
}
.viz-launch__rocket {
  font-size: 80px;
  filter: drop-shadow(0 10px 30px rgba(34,197,255,0.5));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.viz-launch__rings {
  position: absolute;
  top: 30%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.viz-launch__rings span {
  position: absolute;
  top: 50%; left: 50%;
  border: 2px solid rgba(34, 197, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: ringExpand 3s ease-out infinite;
}
.viz-launch__rings span:nth-child(1) { width: 80px; height: 80px; }
.viz-launch__rings span:nth-child(2) { width: 80px; height: 80px; animation-delay: 1s; }
.viz-launch__rings span:nth-child(3) { width: 80px; height: 80px; animation-delay: 2s; }
@keyframes ringExpand {
  0% { width: 60px; height: 60px; opacity: 0.6; }
  100% { width: 220px; height: 220px; opacity: 0; }
}
.viz-launch__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 14px;
}
.viz-launch__metrics > div { display: flex; flex-direction: column; }
.viz-launch__metrics strong { font-size: 18px; font-weight: 800; color: var(--c-lime); letter-spacing: -0.02em; }
.viz-launch__metrics span { font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.08em; }

/* process step content */
.process-step__content {
  color: rgba(255,255,255,0.85);
}
.process-step__num {
  display: inline-block;
  font-size: 14px;
  font-weight: 800;
  color: var(--c-lime);
  letter-spacing: 0.16em;
  margin-bottom: 12px;
}
.process-step h3 {
  font-size: clamp(24px, 2.4vw, 34px);
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.process-step__desc {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 22px;
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
}
.check-list li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255,255,255,0.8);
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--c-lime);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B1220' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}
.check-list li strong { color: #fff; font-weight: 700; }
.process-step__note {
  display: inline-block;
  padding: 10px 16px;
  background: rgba(196, 245, 66, 0.10);
  border: 1px solid rgba(196, 245, 66, 0.25);
  border-radius: 12px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

/* ----------- CTA BANNER ----------- */
.cta-banner { background: var(--c-bg); }
.cta-banner__inner {
  background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-deep) 100%);
  border-radius: var(--radius-xl);
  padding: 60px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.cta-banner__inner::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 60%);
  pointer-events: none;
}
.cta-banner__text { position: relative; }
.cta-banner__text .eyebrow--light {
  color: var(--c-lime);
  background: rgba(255,255,255,0.15);
}
.cta-banner__text h2 {
  font-size: clamp(28px, 3vw, 44px);
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  line-height: 1.05;
}
.cta-banner__text p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
  line-height: 1.55;
}
.cta-banner__text .btn--primary {
  background: #fff;
  color: var(--c-blue-deep);
  box-shadow: 0 14px 30px -10px rgba(0,0,0,0.25);
}
.cta-banner__text .btn--primary:hover { background: var(--c-lime); color: var(--c-ink); }

.cta-banner__cert { position: relative; display: flex; justify-content: center; }
.cert-card {
  background: #fff;
  color: var(--c-ink);
  border-radius: var(--radius);
  padding: 26px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow-lg);
  transform: rotate(2deg);
}
.cert-card__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px;
}
.cert-card__tag {
  background: var(--c-blue); color: #fff;
  padding: 6px 12px; border-radius: 999px;
  font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
}
.cert-card__qr {
  width: 50px; height: 50px;
  background:
    linear-gradient(45deg, var(--c-ink) 25%, transparent 25%),
    linear-gradient(-45deg, var(--c-ink) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--c-ink) 75%),
    linear-gradient(-45deg, transparent 75%, var(--c-ink) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0;
  border-radius: 8px;
  border: 2px solid var(--c-ink);
}
.cert-card__title {
  font-size: 22px; font-weight: 800; letter-spacing: -0.02em;
  margin-bottom: 18px;
  line-height: 1.15;
}
.cert-card__list {
  display: flex; flex-direction: column; gap: 10px;
  counter-reset: cert;
}
.cert-card__list li {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; font-weight: 600;
}
.cert-card__list li span {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--c-lime);
  display: grid; place-items: center;
  font-weight: 800;
  font-size: 13px;
  flex-shrink: 0;
}

/* ----------- CONTROL ----------- */
.control__media {
  position: relative;
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 30px;
  background:
    linear-gradient(135deg, #1B2438 0%, #0F1626 100%),
    radial-gradient(circle at 30% 30%, rgba(34,197,255,0.3), transparent 50%);
  border: 1px solid var(--c-dark-line);
}
.control__media::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.control__media-overlay {
  position: absolute;
  inset: 20px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 25% 35%, rgba(34,197,255,0.4), transparent 40%),
    radial-gradient(circle at 75% 65%, rgba(196,245,66,0.25), transparent 45%);
  filter: blur(40px);
}
.control__media-stats {
  position: absolute;
  bottom: 30px; left: 30px; right: 30px;
  display: flex; gap: 30px;
  flex-wrap: wrap;
}
.control__media-stats > div {
  display: flex; flex-direction: column;
  background: rgba(11, 18, 32, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid var(--c-dark-line);
  padding: 16px 22px;
  border-radius: 14px;
  color: #fff;
}
.control__media-stats strong { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; color: var(--c-lime); }
.control__media-stats span { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 2px; }

.control__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.control-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.control-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.control-card__icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--c-ink);
  color: var(--c-lime);
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.control-card__icon svg { width: 22px; height: 22px; }
.control-card h3 { font-size: 17px; margin-bottom: 6px; letter-spacing: -0.02em; }
.control-card p { font-size: 14px; color: var(--c-mute); }

/* ----------- AI ASSISTANT ----------- */
.ai { padding: 130px 0; }
.ai__bg { position: absolute; inset: 0; pointer-events: none; }
.ai__glow {
  position: absolute;
  top: 20%; left: 50%;
  width: 700px; height: 700px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(34,197,255,0.18), transparent 60%);
  filter: blur(60px);
}
.ai__inner { position: relative; }
.ai__inner .section__head { margin-bottom: 60px; }
.ai__inner .section__head .btn { margin-top: 24px; }

.ai__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 22px;
}
.ai-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med), border-color var(--t-med);
}
.ai-card:hover { transform: translateY(-4px); border-color: rgba(34,197,255,0.3); }
.ai-card--feature {
  grid-row: span 2;
  background:
    linear-gradient(135deg, rgba(34,197,255,0.08) 0%, rgba(196,245,66,0.04) 100%);
  border-color: rgba(34,197,255,0.2);
}
.ai-card--wide { grid-column: span 2; }
.ai-card__chip {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(34,197,255,0.15);
  border: 1px solid rgba(34,197,255,0.3);
  color: var(--c-blue);
  border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.ai-card h3 {
  font-size: 22px;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.ai-card p {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  margin-bottom: 22px;
  line-height: 1.5;
}

.ai-card__demo { display: flex; flex-direction: column; gap: 10px; }
.ai-card__bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 13px;
  max-width: 92%;
  line-height: 1.45;
}
.ai-card__bubble--user {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.ai-card__bubble--ai {
  background: linear-gradient(135deg, var(--c-blue), var(--c-blue-deep));
  color: #fff;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  box-shadow: 0 10px 24px -8px rgba(34,197,255,0.5);
}

.ai-card__compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px;
  height: 130px;
  border-radius: 14px;
  overflow: hidden;
}
.ai-card__compare-half {
  position: relative;
  background-size: cover; background-position: center;
}
.ai-card__compare-half--before {
  background: linear-gradient(135deg, #4a4a4a, #2a2a2a);
  filter: grayscale(0.6) brightness(0.7);
}
.ai-card__compare-half--after {
  background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-lime) 100%);
}
.ai-card__compare-label {
  position: absolute;
  bottom: 10px; left: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.ai-card__compare-label--green { background: var(--c-lime); color: var(--c-ink); }

.ai-card__pulse {
  display: flex; align-items: center; gap: 8px;
  padding: 16px;
  background: rgba(255,255,255,0.04);
  border-radius: 14px;
}
.ai-card__pulse span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--c-blue);
  animation: blink 1.4s ease-in-out infinite;
}
.ai-card__pulse span:nth-child(2) { animation-delay: 0.2s; }
.ai-card__pulse span:nth-child(3) { animation-delay: 0.4s; }
.ai-card__pulse em {
  font-style: normal;
  margin-left: auto;
  color: var(--c-lime);
  font-size: 13px;
  font-weight: 700;
}
@keyframes blink {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1.2); }
}

.ai-card__bars {
  display: flex; align-items: flex-end;
  gap: 8px;
  height: 100px;
}
.ai-card__bars span {
  flex: 1;
  height: var(--h);
  background: linear-gradient(to top, rgba(34,197,255,0.2), var(--c-blue));
  border-radius: 6px 6px 0 0;
}
.ai-card__bars span:nth-child(n+6) {
  background: linear-gradient(to top, rgba(196,245,66,0.2), var(--c-lime));
}

/* ----------- FAQ ----------- */
.faq__list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  overflow: hidden;
}
.faq-item[open] {
  border-color: rgba(34,197,255,0.3);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: -0.01em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item__plus {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--c-bg-soft);
  position: relative;
  flex-shrink: 0;
  transition: background var(--t-fast), transform var(--t-med);
}
.faq-item__plus::before, .faq-item__plus::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 2px;
  background: var(--c-ink);
  transform: translate(-50%, -50%);
  transition: transform var(--t-med), background var(--t-fast);
}
.faq-item__plus::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-item__plus { background: var(--c-blue); }
.faq-item[open] .faq-item__plus::before { background: #fff; }
.faq-item[open] .faq-item__plus::after { background: #fff; transform: translate(-50%, -50%) rotate(0deg); }
.faq-item__body {
  padding: 0 26px 26px;
  color: var(--c-ink-2);
  font-size: 15px;
  line-height: 1.65;
}
.faq-item__body p + p { margin-top: 10px; }
.faq-item__body ul {
  list-style: disc;
  padding-left: 22px;
  margin: 10px 0;
}
.faq-item__body ul li { margin-bottom: 4px; }

.faq__cta {
  display: flex; justify-content: center;
  margin-top: 50px;
}

/* ----------- CONTACTS ----------- */
.contacts { padding: 110px 0; }
.contacts__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: stretch;
}
.contacts__info {
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 42px;
  color: #fff;
}
.contacts__info .section__title {
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: 28px;
  margin-top: 12px;
}
.contacts__list {
  display: flex; flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
}
.contacts__list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.contacts__list span {
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 2px;
}

.contacts__direct {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
.contacts__direct-link {
  display: flex; flex-direction: column;
  background: rgba(34,197,255,0.10);
  border: 1px solid rgba(34,197,255,0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.contacts__direct-link:hover { background: rgba(34,197,255,0.18); border-color: rgba(34,197,255,0.5); }
.contacts__direct-label {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.contacts__direct-value {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  margin-top: 4px;
}

.contacts__socials {
  display: flex; gap: 10px;
}
.social {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: grid; place-items: center;
  color: #fff;
  transition: background var(--t-fast), transform var(--t-fast);
}
.social svg { width: 20px; height: 20px; }
.social:hover { background: var(--c-blue); transform: translateY(-2px); }

.contacts__form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 42px;
  color: var(--c-ink);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}
.contacts__form-title {
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.contacts__form-sub {
  color: var(--c-mute);
  font-size: 15px;
  margin-bottom: 28px;
}

.field { display: flex; flex-direction: column; margin-bottom: 16px; }
.field__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mute);
  font-weight: 700;
  margin-bottom: 8px;
}
.field input {
  font: inherit;
  font-size: 16px;
  padding: 14px 18px;
  background: var(--c-bg);
  border: 1px solid transparent;
  border-radius: 14px;
  outline: none;
  transition: border-color var(--t-fast), background var(--t-fast);
  color: var(--c-ink);
}
.field input::placeholder { color: var(--c-mute); }
.field input:focus { border-color: var(--c-blue); background: #fff; box-shadow: 0 0 0 4px rgba(34,197,255,0.15); }

.contacts__form .btn { margin-top: 8px; }
.contacts__form-note {
  font-size: 12px;
  color: var(--c-mute);
  text-align: center;
  margin-top: 16px;
}
.contacts__form-note a { color: var(--c-blue-deep); text-decoration: underline; }
.contacts__form-success {
  margin-top: 16px;
  background: rgba(196,245,66,0.2);
  color: var(--c-ink);
  padding: 14px;
  border-radius: 12px;
  font-weight: 700;
  text-align: center;
}

/* ----------- FOOTER ----------- */
.footer {
  background: var(--c-dark);
  color: rgba(255,255,255,0.5);
  padding: 36px 0;
  border-top: 1px solid var(--c-dark-line);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.logo--footer .logo__title { color: #fff; }
.logo--footer .logo__mark { background: rgba(255,255,255,0.06); }
.footer__copy { font-size: 13px; }
.footer__legal {
  display: flex;
  gap: 24px;
  font-size: 13px;
}
.footer__legal a:hover { color: var(--c-blue); }

/* ----------- REVEAL ANIMATIONS ----------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms cubic-bezier(.2,.7,.2,1), transform 700ms cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----------- RESPONSIVE ----------- */
@media (max-width: 1100px) {
  .nav { display: none; }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    padding: 20px;
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow-md);
  }
  .nav.is-open .nav__list { flex-direction: column; align-items: stretch; gap: 4px; width: 100%; }
  .nav.is-open .nav__sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 14px; }
  .burger { display: flex; }

  .problems__grid { grid-template-columns: repeat(2, 1fr); }
  .control__grid { grid-template-columns: repeat(2, 1fr); }
  .ai__grid {
    grid-template-columns: 1fr 1fr;
  }
  .ai-card--feature { grid-row: auto; grid-column: span 2; }
  .ai-card--wide { grid-column: span 2; }
}

@media (max-width: 820px) {
  .section { padding: 80px 0; }
  .ai { padding: 90px 0; }
  .hero { padding: 40px 0 70px; }

  .header__phone { display: none; }
  .header__inner { height: 64px; }

  .hero__showcase { display: none; }
  .hero__stats { grid-template-columns: 1fr; gap: 16px; padding: 18px; }
  .hero__stats li + li::before { display: none; }
  .hero__stats li { padding-bottom: 14px; border-bottom: 1px solid var(--c-line); }
  .hero__stats li:last-child { padding-bottom: 0; border-bottom: 0; }

  .problems__grid { grid-template-columns: 1fr; }
  .control__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .control__media { height: 280px; }
  .control__media-stats { left: 18px; right: 18px; bottom: 18px; gap: 12px; }
  .control__media-stats > div { padding: 12px 16px; }

  .process__list::before { left: 24px; }
  .process-step { grid-template-columns: 1fr; gap: 24px; }
  .process-step--reverse .process-step__visual { order: 1; }
  .process-step--reverse .process-step__content { order: 2; }
  .process-step__visual { aspect-ratio: 16/10; }
  .process-step__content { padding-left: 24px; position: relative; }
  .process-step__content::before {
    content: ''; position: absolute;
    left: 0; top: 8px; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--c-blue), transparent);
  }

  .cta-banner__inner { grid-template-columns: 1fr; padding: 40px 28px; }
  .cta-banner__cert { transform: scale(0.9); }

  .ai__grid { grid-template-columns: 1fr; }
  .ai-card--feature, .ai-card--wide { grid-column: auto; }

  .contacts__grid { grid-template-columns: 1fr; gap: 24px; }
  .contacts__info, .contacts__form { padding: 28px; }
  .contacts__direct { grid-template-columns: 1fr; }
  .contacts__list li { grid-template-columns: 90px 1fr; gap: 10px; font-size: 13px; }

  .footer__inner { flex-direction: column; text-align: center; }
  .footer__legal { justify-content: center; flex-wrap: wrap; gap: 14px; }

  .d-md { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero__title { font-size: 42px; }
  .hl { padding: 1px 10px; border-radius: 8px; }
  .faq-item summary { padding: 18px 20px; font-size: 15px; gap: 12px; }
  .faq-item__body { padding: 0 20px 20px; font-size: 14px; }
  .control__grid { grid-template-columns: 1fr; }
  .logo__sub { display: none; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}