@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Inter:wght@400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; }

:root {
  --c-bg:        #080810;
  --c-bg-alt:    #0f0f1c;
  --c-fg:        #f0f0f5;
  --c-muted:     #6a6a88;
  --c-accent:    #00d9ff;
  --c-border:    rgba(240, 240, 245, 0.08);
  --c-accent-lo: rgba(0, 217, 255, 0.10);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 7rem;

  --radius-sm: 3px;
  --radius-md: 8px;
  --radius-lg: 20px;

  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;
}

html { background-color: var(--c-bg); color: var(--c-fg); scroll-behavior: smooth; }
body { font-family: var(--font-body); font-size: clamp(0.9rem, 1.4vw, 1rem); line-height: 1.65; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 900; line-height: 1.1; }
h1 { font-size: clamp(2rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.7rem, 4vw, 3rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.7rem); }
h4 { font-size: clamp(0.95rem, 2vw, 1.2rem); font-weight: 700; }
h5 { font-size: 0.75rem; font-weight: 700; }
p  { opacity: 0.85; }
a:hover { color: var(--c-accent); }

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.section      { padding-block: var(--space-6); background-color: var(--c-bg); }
.section--alt { background-color: var(--c-bg-alt); }

.section__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}
.section__title   { margin-bottom: var(--space-3); }
.section__sub {
  color: var(--c-muted);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  max-width: 56ch;
  margin-bottom: var(--space-5);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  z-index: 1000;
  background: var(--c-accent);
  color: var(--c-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
}
.skip-link:focus { left: var(--space-2); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  padding-block: var(--space-2);
}
.site-header .container { display: flex; align-items: center; gap: var(--space-2); }
.site-header__logo-link { display: flex; align-items: center; gap: var(--space-2); }
.site-header__logo      { width: 36px; height: 36px; flex-shrink: 0; }
.site-header__brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--c-fg);
  letter-spacing: -0.02em;
}
.site-header__brand em { font-style: normal; color: var(--c-accent); }

.btn {
  display: inline-block;
  padding: 0.75rem var(--space-4);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.btn--primary { background-color: var(--c-accent); color: var(--c-bg); }
.btn--primary:hover { background-color: #33e3ff; color: var(--c-bg); }
.btn--outline { border: 2px solid var(--c-accent); color: var(--c-accent); }
.btn--outline:hover { background-color: var(--c-accent); color: var(--c-bg); }
.btn--sm { padding: 0.5rem var(--space-3); font-size: 0.8rem; }

.img-ph {
  background-color: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  text-align: center;
  padding: var(--space-2);
  width: 100%;
}

.hero { padding-block: var(--space-6); }
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
.hero__eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}
.hero__title { margin-bottom: var(--space-3); }
.hero__title em { font-style: normal; color: var(--c-accent); }
.hero__sub {
  color: var(--c-muted);
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  max-width: 46ch;
  margin-bottom: var(--space-4);
}
.hero__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.hero__img { aspect-ratio: 4/3; }

.intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
.intro__body p + p { margin-top: var(--space-3); }
.intro__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.stat-box {
  padding: var(--space-3) var(--space-3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 24px rgba(0, 217, 255, 0.05);
}
.stat-box__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-box__lbl { font-size: 0.82rem; color: var(--c-muted); }

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.feat-card {
  padding: var(--space-4);
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.45);
}
.feat-card__icon {
  width: 46px;
  height: 46px;
  background-color: var(--c-accent-lo);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  color: var(--c-accent);
}
.feat-card__icon svg { width: 22px; height: 22px; }
.feat-card h4 { margin-bottom: var(--space-1); }
.feat-card p  { font-size: 0.875rem; }

.steps__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  counter-reset: step-counter;
}
.step-card {
  position: relative;
  padding: var(--space-4);
  background-color: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  counter-increment: step-counter;
}
.step-card::before {
  content: counter(step-counter, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3.5rem;
  color: rgba(0, 217, 255, 0.1);
  position: absolute;
  top: var(--space-2);
  right: var(--space-3);
  line-height: 1;
  z-index: 0;
}
.step-card h4, .step-card p { position: relative; z-index: 10; }
.step-card h4 { margin-bottom: var(--space-1); color: var(--c-accent); }
.step-card p  { font-size: 0.875rem; }

.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.prod-card {
  background-color: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
.prod-card__img { aspect-ratio: 16/9; border-radius: 0; }
.prod-card__body { padding: var(--space-4); }
.prod-card__tag {
  display: inline-block;
  background-color: var(--c-accent-lo);
  color: var(--c-accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}
.prod-card h3 { margin-bottom: var(--space-1); }
.prod-card p  { font-size: 0.875rem; margin-bottom: var(--space-3); }
.prod-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.prod-card__price {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--c-fg);
}
.prod-card__price small {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--c-muted);
  display: block;
}

.caps__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
.caps__img { aspect-ratio: 1/1; }
.caps__list { display: flex; flex-direction: column; gap: var(--space-4); }
.cap-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: var(--space-3);
  align-items: start;
}
.cap-item__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.2rem;
  color: var(--c-accent);
  line-height: 1;
  padding-top: 2px;
}
.cap-item h4 { margin-bottom: 4px; }
.cap-item p  { font-size: 0.875rem; }

.benefits__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
.benefits__img   { aspect-ratio: 3/4; order: 2; }
.benefits__text  { order: 1; }
.benefits__list  { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-4); }
.benefit-row {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
}
.benefit-row__dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--c-accent-lo);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  color: var(--c-accent);
}
.benefit-row__dot svg { width: 11px; height: 11px; }
.benefit-row p { font-size: 0.9rem; opacity: 1; }

.metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  text-align: center;
}
.metric-card {
  padding: var(--space-4);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 24px rgba(0, 217, 255, 0.05);
}
.metric-card__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 6px;
}
.metric-card__lbl { font-size: 0.85rem; color: var(--c-muted); }

.showcase__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.showcase-card__img   { aspect-ratio: 1/1; margin-bottom: var(--space-2); }
.showcase-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--c-fg);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.testi-card {
  padding: var(--space-4);
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.45);
}
.testi-card__stars { color: var(--c-accent); letter-spacing: 3px; margin-bottom: var(--space-2); font-size: 0.9rem; }
.testi-card__text  { font-size: 0.9rem; font-style: italic; margin-bottom: var(--space-3); }
.testi-card__author { display: flex; align-items: center; gap: var(--space-2); }
.testi-card__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--c-accent-lo);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-accent);
  flex-shrink: 0;
}
.testi-card__name { font-weight: 500; font-size: 0.875rem; }
.testi-card__role { font-size: 0.75rem; color: var(--c-muted); }

.faq__list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.faq-item { border: 1px solid var(--c-border); border-radius: var(--radius-md); }
.faq-item__btn {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--c-fg);
  border-radius: var(--radius-md);
}
.faq-item__btn[aria-expanded="true"] { color: var(--c-accent); }
.faq-item__icon { width: 18px; height: 18px; flex-shrink: 0; color: var(--c-accent); }
.faq-item__body { max-height: 0; overflow: hidden; padding-inline: var(--space-4); }
.faq-item__body.is-open { max-height: 500px; padding-bottom: var(--space-3); }
.faq-item__body p { font-size: 0.9rem; }

.contacts__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.contact-info { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-block { display: flex; gap: var(--space-2); align-items: flex-start; }
.contact-block__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--c-accent-lo);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--c-accent);
}
.contact-block__icon svg { width: 18px; height: 18px; }
.contact-block__lbl { font-size: 0.75rem; color: var(--c-muted); margin-bottom: 3px; font-weight: 500; }
.contact-block__val { font-size: 0.95rem; color: var(--c-fg); }
.contact-block__val a { color: var(--c-fg); }
.contact-block__val a:hover { color: var(--c-accent); }

.contact-form { display: flex; flex-direction: column; gap: var(--space-3); }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--c-muted);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 0.75rem var(--space-3);
  color: var(--c-fg);
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--c-accent); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form-success {
  background-color: var(--c-accent-lo);
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  color: var(--c-accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
}

.site-footer {
  background-color: var(--c-bg);
  border-top: 1px solid var(--c-border);
  padding-block: var(--space-5);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-4);
}
.footer-brand { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-brand__logo { display: flex; align-items: center; gap: var(--space-2); }
.footer-brand__logo svg { width: 30px; height: 30px; }
.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--c-fg);
}
.footer-brand__name em { font-style: normal; color: var(--c-accent); }
.footer-brand__desc { font-size: 0.85rem; color: var(--c-muted); max-width: 34ch; line-height: 1.6; }
.footer-col h5 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: var(--space-3);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col ul a { font-size: 0.875rem; color: var(--c-fg); opacity: 0.7; }
.footer-col ul a:hover { color: var(--c-accent); opacity: 1; }
.footer-col address { font-style: normal; font-size: 0.875rem; color: var(--c-muted); line-height: 1.8; }
.footer-col address a { color: var(--c-accent); }

.footer__bottom {
  border-top: 1px solid var(--c-border);
  padding-top: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.footer__bottom p { font-size: 0.78rem; color: var(--c-muted); }
.footer__legal { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.footer__legal a { font-size: 0.78rem; color: var(--c-muted); }
.footer__legal a:hover { color: var(--c-accent); }

.cookie-banner {
  position: fixed;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  z-index: 1000;
  background-color: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.65);
}
.cookie-banner p { font-size: 0.85rem; color: var(--c-muted); }
.cookie-banner p a { color: var(--c-accent); }
.cookie-banner__actions { display: flex; gap: var(--space-2); flex-shrink: 0; }
.cookie-banner--hidden { display: none; }

@media (min-width: 641px) and (max-width: 1024px) {
  :root { --space-6: 5rem; }
  .hero__grid          { grid-template-columns: 1fr; }
  .hero__img           { display: none; }
  .intro__grid         { grid-template-columns: 1fr; }
  .features__grid      { grid-template-columns: repeat(2, 1fr); }
  .steps__grid         { grid-template-columns: repeat(2, 1fr); }
  .products__grid      { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .caps__grid          { grid-template-columns: 1fr; }
  .caps__img           { max-width: 460px; margin-inline: auto; }
  .benefits__grid      { grid-template-columns: 1fr; }
  .benefits__img       { order: -1; max-width: 460px; margin-inline: auto; }
  .benefits__text      { order: 2; }
  .metrics__grid       { grid-template-columns: repeat(2, 1fr); }
  .showcase__grid      { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid  { grid-template-columns: repeat(2, 1fr); }
  .contacts__grid      { grid-template-columns: 1fr; }
  .footer__grid        { grid-template-columns: 1fr 1fr; }
  .form-row            { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root {
    --space-4: 1.5rem;
    --space-5: 2.5rem;
    --space-6: 3.5rem;
  }
  .container           { padding-inline: var(--space-3); }
  .hero__grid          { grid-template-columns: 1fr; }
  .hero__img           { display: none; }
  .intro__grid         { grid-template-columns: 1fr; }
  .intro__stats        { grid-template-columns: 1fr 1fr; }
  .features__grid      { grid-template-columns: 1fr; }
  .steps__grid         { grid-template-columns: 1fr; }
  .products__grid      { grid-template-columns: 1fr; }
  .caps__grid          { grid-template-columns: 1fr; }
  .caps__img           { display: none; }
  .benefits__grid      { grid-template-columns: 1fr; }
  .benefits__img       { display: none; }
  .metrics__grid       { grid-template-columns: repeat(2, 1fr); }
  .showcase__grid      { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid  { grid-template-columns: 1fr; }
  .contacts__grid      { grid-template-columns: 1fr; }
  .footer__grid        { grid-template-columns: 1fr; }
  .form-row            { grid-template-columns: 1fr; }
  .cookie-banner       { flex-direction: column; align-items: flex-start; }
  .footer__bottom      { flex-direction: column; align-items: flex-start; }
}

.showcase-card { background: #fff; border: 1px solid #e5e7eb; overflow: hidden; }
.showcase-card img { width: 100%; height: 220px; object-fit: cover; display: block; }

.footer__copy { color: #ffffff !important; }

@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; }
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }

.prod-card img,
.showcase-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}