* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Montserrat", Arial, sans-serif;
  background:
    radial-gradient(circle at 76% 8%, rgba(0, 122, 255, 0.22), transparent 30%),
    radial-gradient(circle at 18% 25%, rgba(0, 122, 255, 0.14), transparent 28%),
    #03080f;
  color: #f5f8ff;
}

* {
  box-sizing: border-box;
  font-family: "Montserrat", sans-serif;
}

html,
body,
button,
input,
textarea,
select,
summary,
details,
a {
  font-family: "Montserrat", sans-serif;
}


a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 78px;
  padding: 0 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(3, 8, 15, 0.82);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  font-size: 18px;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 42px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.74);
}

.nav a {
  position: relative;
  transition: 0.2s ease;
}

.nav a:hover,
.nav a.active {
  color: #2385ff;
}

.nav a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -28px;
  width: 84px;
  height: 3px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #2385ff;
}

.header-btn,
.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 56px;
  padding: 0 28px;
  border-radius: 10px;
  background: linear-gradient(180deg, #2287ff, #0863ee);
  box-shadow: 0 12px 34px rgba(0, 112, 255, 0.38);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  transition: 0.25s ease;
}

.header-btn {
  height: 48px;
  padding: 0 22px;
  font-size: 14px;
}

.header-btn:hover,
.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 46px rgba(0, 112, 255, 0.5);
}

main {
  width: min(1320px, calc(100% - 64px));
  margin: 0 auto;
}

.hero {
  min-height: 600px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 48px;
  padding: 46px 10px 44px;
}

.badge {
  width: max-content;
  margin-bottom: 30px;
  padding: 9px 18px 9px 14px;
  border-radius: 999px;
  background: rgba(0, 119, 255, 0.13);
  border: 1px solid rgba(0, 119, 255, 0.35);
  color: #2385ff;
  font-size: 14px;
  font-weight: 600;

  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
}

.badge img {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  object-fit: contain;
  display: block;
}

.hero h1 {
  margin: 0;
  max-width: 560px;
  font-size: 58px;
  line-height: 1.06;
  letter-spacing: -2px;
  font-weight: 700;
}

.hero h1 span {
  color: #2385ff;
}

.hero p {
  margin: 24px 0 28px;
  max-width: 560px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
  line-height: 1.65;
  font-weight: 400;
}

.hero-checks {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 400;
}

.hero-checks span {
  color: rgba(255, 255, 255, 0.76);
}

.hero-checks span::first-letter {
  color: #2385ff;
}

.hero-image {
  position: relative;
}

.hero-image::before {
  content: "";
  position: absolute;
  inset: 14% 4% 0;
  background: radial-gradient(circle, rgba(0, 110, 255, 0.3), transparent 62%);
  filter: blur(40px);
}

.hero-image img {
  position: relative;
  width: 100%;
  filter: drop-shadow(0 30px 70px rgba(0, 0, 0, 0.55));
}

.features-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.features-grid,
.split-section,
.hotkey-section,
.audience-section,
.safe-section,
.download-banner,
.faq-section {
  margin-bottom: 16px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(14, 24, 36, 0.92), rgba(7, 14, 23, 0.94));
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.feature-card {
  min-height: 160px;
  padding: 26px 26px 24px;
}

.icon {
  width: 72px;
  height: 72px;
  margin-bottom: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 38px;
  font-weight: 900;
}

.purple {
  color: #9d5cff;
  background: radial-gradient(circle, rgba(157, 92, 255, 0.34), rgba(157, 92, 255, 0.08));
}

.green {
  color: #39d98a;
  background: radial-gradient(circle, rgba(57, 217, 138, 0.34), rgba(57, 217, 138, 0.08));
}

.orange {
  color: #ff8238;
  background: radial-gradient(circle, rgba(255, 130, 56, 0.34), rgba(255, 130, 56, 0.08));
}

.blue {
  color: #2385ff;
  background: radial-gradient(circle, rgba(35, 133, 255, 0.34), rgba(35, 133, 255, 0.08));
}

h2,
h3,
p {
  margin-top: 0;
}

.feature-card h3,
.audience-card h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.25;
}

.feature-card p,
.audience-card p,
.split-section p,
.hotkey-section p,
.safe-section p,
.download-banner p,
.footer p,
details p {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.55;
  font-weight: 600;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
  padding: 26px 34px;
}

.split-section.reverse {
  grid-template-columns: 1fr 1fr;
}

.split-section h2,
.hotkey-section h2,
.audience-section h2,
.safe-section h2,
.download-banner h2,
.faq-section h2 {
  margin-bottom: 18px;
  font-size: 31px;
  line-height: 1.14;
  letter-spacing: -0.8px;
}

.bad-list,
.good-list {
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.bad-list li,
.good-list li {
  margin: 10px 0;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 700;
}

.bad-list li::before {
  content: "✕";
  margin-right: 10px;
  color: #ff3b3b;
}

.good-list li::before,
.safe-grid span::before {
  content: "✓";
  margin-right: 10px;
  color: #2385ff;
}

.section-image {
  overflow: hidden;
  border-radius: 12px;
  background: rgba(8, 20, 35, 0.9);
}

.section-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.primary-btn.small {
  height: 50px;
  margin-top: 18px;
  padding: 0 24px;
  font-size: 15px;
}

.hotkey-section {
  display: grid;
  grid-template-columns: 0.8fr 1fr 0.55fr;
  align-items: center;
  gap: 34px;
  padding: 30px 34px;
}

.keys {
  text-align: center;
}

.keys span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  height: 76px;
  margin: 0 10px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(32, 43, 58, 0.95), rgba(14, 23, 35, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  font-size: 30px;
  font-weight: 900;
}

.keys b {
  font-size: 28px;
}

.keys p {
  margin-top: 18px;
}

.hotkey-section img {
  border-radius: 12px;
  opacity: 0.9;
}

.audience-section {
  padding: 26px 28px 28px;
}

.audience-grid {
  margin-top: 18px;
}

.audience-card {
  min-height: 132px;
  padding: 20px 22px;
  border-radius: 12px;
  background: rgba(12, 22, 34, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-icon {
  width: 54px;
  height: 54px;
  margin-bottom: 14px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 25px;
  font-weight: 900;
}

.safe-section {
  display: grid;
  grid-template-columns: 0.38fr 0.62fr;
  align-items: center;
  gap: 44px;
  padding: 28px 42px;
}

.shield img {
  width: 370px;
  margin: 0 auto;
}

.safe-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
  margin-top: 22px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.76);
}

.download-banner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
  padding: 24px 30px;
}

.download-icon {
  width: 78px;
  height: 78px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #2385ff, #075ee8);
  box-shadow: 0 14px 34px rgba(0, 112, 255, 0.4);
  font-size: 48px;
  font-weight: 900;
}

.download-banner h2 {
  margin-bottom: 8px;
}

.download-banner p {
  margin-bottom: 0;
}

.faq-section {
  padding: 24px 28px 28px;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 28px;
}

details {
  border-radius: 9px;
  background: rgba(8, 18, 29, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.09);
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease;
}

details[open] {
  border-color: rgba(35, 133, 255, 0.35);
  background: rgba(10, 24, 40, 0.98);
}

summary {
  cursor: pointer;
  padding: 13px 18px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.88);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "▶";
  font-size: 12px;
  transition: transform 0.25s ease;
}

details[open] summary::before {
  transform: rotate(90deg);
}

details p {
  margin: 0;
  padding: 0 18px 15px 40px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.55;
  font-weight: 600;
  animation: faqDrop 0.28s ease both;
}

@keyframes faqDrop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* FOOTER */

.site-footer {
  width: min(100% - 128px, 1280px);
  margin: 0 auto;
  padding: 14px 0 42px;
  position: relative;
  z-index: 3;
}

.footer-inner {
  padding: 38px 44px;
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 60px;
  border-radius: 22px;
  background: #060E18;
  border: 1px solid rgba(18, 21, 40, 0.07);
  box-shadow: 0 25px 60px rgba(36, 39, 80, 0.07);
  backdrop-filter: blur(18px);
}

.footer-logos {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.footer-app-logo {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  object-fit: contain;
}

.footer-company-logo {
  height: 34px;
  width: auto;
  object-fit: contain;
}

.footer-brand p {
  margin: 0;
  max-width: 430px;
  font-size: 14px;
  line-height: 1.7;
  font-weight: 500;
  color: #b6c0d4;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.footer-column h3 {
  margin: 0 0 4px;
  font-size: 14px;
  line-height: 1.2;
  font-weight: 900;
  color: #afb3da;
}

.footer-column a {
  width: max-content;
  max-width: 100%;
  font-size: 13px;
  line-height: 1.35;
  font-weight: 600;
  color: #bfc5d3;
  transition: color 0.22s ease, transform 0.22s ease;
}

.footer-column a:hover {
  color: #2d6cff;
  transform: translateX(3px);
}

.footer-bottom {
  padding: 18px 6px 0;
  display: flex;
  justify-content: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  color: #7b8291;
}

@media (max-width: 1050px) {
  .site-header {
    padding: 0 22px;
  }

  .nav {
    display: none;
  }

  .hero,
  .split-section,
  .split-section.reverse,
  .hotkey-section,
  .safe-section,
  .download-banner {
    grid-template-columns: 1fr;
  }

  .features-grid,
  .audience-grid,
  .faq-grid,
  .footer {
    grid-template-columns: 1fr 1fr;
  }

  .hero h1 {
    font-size: 46px;
  }
}

@media (max-width: 640px) {
  main,
  .footer {
    width: calc(100% - 28px);
  }

  .site-header {
    height: 68px;
  }

  .brand span,
  .header-btn {
    display: none;
  }

  .hero {
    padding-top: 28px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero p {
    font-size: 16px;
  }

  .features-grid,
  .audience-grid,
  .faq-grid,
  .footer {
    grid-template-columns: 1fr;
  }

  .keys span {
    min-width: 78px;
    height: 58px;
    font-size: 22px;
    margin: 0 4px;
  }
}