:root {
  color-scheme: dark;
  --bg: #060816;
  --bg-secondary: #0d1226;
  --card: rgba(18, 25, 47, 0.58);
  --border: rgba(255, 255, 255, 0.08);

  --text: #ffffff;
  --muted: #b6c0d4;

  --primary: #00d5ff;
  --secondary: #7c4dff;

  --gradient: linear-gradient(135deg,
      #00d5ff 0%,
      #5de1ff 25%,
      #7c4dff 100%);

  --shadow: 0 20px 60px rgba(0, 213, 255, 0.15);

  --radius: 24px;
  --container: 1240px;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--bg-secondary);
  color: var(--text);
  border-radius: 0 0 var(--radius) 0;
  transform: translateY(-120%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  position: relative;
}

canvas#particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0.8;
  pointer-events: none;
  /* важно: не мешать кликам по форме */
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 213, 255, .18), transparent 70%);
  filter: blur(40px);
  z-index: -1;
  animation: floatGlow 12s ease-in-out infinite alternate;
  pointer-events: none;
}

.bg-glow.one {
  top: -200px;
  left: -200px;
}

.bg-glow.two {
  bottom: -250px;
  right: -150px;
  background: radial-gradient(circle, rgba(124, 77, 255, .18), transparent 70%);
  animation-delay: 2s;
}

@keyframes floatGlow {
  from {
    transform: translateY(0px) translateX(0px);
  }

  to {
    transform: translateY(50px) translateX(40px);
  }
}

.container {
  width: min(92%, var(--container));
  margin: 0 auto;
}

section {
  padding: 110px 0;
  position: relative;
}

h1,
h2,
h3 {
  font-family: "Poppins", sans-serif;
  line-height: 1.1;
}

h2.section-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 18px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 60px;
  font-size: 1.05rem;
}

/* NAVBAR */

.navbar {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(92%, 1240px);
  z-index: 999;
  transition: 0.3s ease;
}

.navbar.scrolled .nav-inner {
  background: rgba(8, 11, 25, 0.78);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  border-radius: 22px;
  transition: 0.3s ease;
}

.logo {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
  color: white;
  text-decoration: none;
}

.logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  transition: 0.25s ease;
  font-weight: 500;
}

.nav-links a:hover {
  color: white;
}

.burger {
  display: none;
  font-size: 1.5rem;
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 0;
  font: inherit;
  line-height: 1;
}

.burger:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  border-radius: 8px;
}

/* HERO */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  margin-bottom: 28px;
  color: #d9e3f5;
  font-size: 0.95rem;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  margin-bottom: 24px;
  line-height: 1;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 720px;
}

.typed-line {
  margin-top: 22px;
  font-size: 1.1rem;
  color: white;
  min-height: 32px;
}

.typed-line span {
  color: var(--primary);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 18px;
  margin-top: 42px;
  flex-wrap: wrap;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 16px;
  border: none;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition: 0.35s ease;
  font-weight: 700;
  font-size: 0.98rem;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 25px 60px rgba(0, 213, 255, 0.25);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 213, 255, 0.4);
}

.hero-card {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  padding: 36px;
  backdrop-filter: blur(22px);
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.35);
  transform: translateY(0px);
  animation: floating 5s ease-in-out infinite;
}

@keyframes floating {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-14px);
  }
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.7;
}

.code-lines {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.line {
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg,
      rgba(0, 213, 255, 0.9),
      rgba(124, 77, 255, 0.3));
  animation: pulse 3s infinite ease-in-out;
}

.line:nth-child(2) {
  width: 82%;
  animation-delay: .3s;
}

.line:nth-child(3) {
  width: 68%;
  animation-delay: .6s;
}

.line:nth-child(4) {
  width: 92%;
  animation-delay: .9s;
}

.line--w95 {
  width: 95%;
}

.line--w76 {
  width: 76%;
}

.line--w88 {
  width: 88%;
}

.line--w58 {
  width: 58%;
}

.contact-social-heading {
  display: block;
  margin-bottom: 16px;
}

@keyframes pulse {

  0%,
  100% {
    opacity: .65;
  }

  50% {
    opacity: 1;
  }
}

/* CARDS */

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  backdrop-filter: blur(16px);
  overflow: hidden;
  transition: 0.35s ease;
  isolation: isolate;
  /* помогает с z-index */
}

.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
      rgba(0, 213, 255, 0.8),
      rgba(124, 77, 255, 0.1));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: .35s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
}

.card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  margin-bottom: 24px;
  font-size: 1.6rem;
  color: var(--primary);
}

.card h3 {
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.card p {
  color: var(--muted);
  line-height: 1.7;
}

/* WHY */

.stats {
  display: flex;
  gap: 40px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.stat strong {
  display: block;
  font-size: 2rem;
  font-family: "Poppins", sans-serif;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat span {
  color: var(--muted);
  font-size: 0.95rem;
}

/* PROJECTS */

.project-image {
  height: 220px;
  border-radius: 18px;
  margin-bottom: 22px;
  background:
    linear-gradient(135deg,
      rgba(0, 213, 255, 0.2),
      rgba(124, 77, 255, 0.2)),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.12), transparent 40%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.project-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.08),
      transparent);
  transform: translateX(-100%);
  animation: shine 5s infinite;
}

@keyframes shine {
  to {
    transform: translateX(100%);
  }
}

.tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.tag {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: #dce6f8;
}

/* TESTIMONIALS (отзывы) */
.testimonial {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg,
      rgba(0, 213, 255, 0.9),
      rgba(124, 77, 255, 0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: "Poppins", sans-serif;
}

.testimonial p {
  font-style: italic;
  color: #dce4f5;
  line-height: 1.8;
}

.testimonial small {
  color: var(--muted);
}

/* TECH */

.tech-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}

.tech-item {
  padding: 28px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  transition: .3s ease;
  opacity: 0.8;
}

.tech-item:hover {
  opacity: 1;
  transform: translateY(-6px);
  border-color: rgba(0, 213, 255, 0.25);
}

.tech-item i {
  font-size: 2rem;
  color: var(--primary);
}

/* CONTACT — исправлен баг с фокусом */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 40px;
  position: relative;
  z-index: 10;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  z-index: 15;
}

.contact-form input,
.contact-form textarea,
.contact-form button {
  position: relative;
  z-index: 20;
  pointer-events: auto !important;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  outline: none;
  resize: none;
  font-family: inherit;
  transition: .3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(0, 213, 255, 0.8);
  box-shadow: 0 0 0 4px rgba(0, 213, 255, 0.2);
  background: rgba(255, 255, 255, 0.15);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: center;
  color: var(--muted);
}

.contact-item i {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-item a {
  color: var(--text);
  text-decoration: none;
  transition: color .3s ease;
}

.contact-item a:hover {
  color: var(--primary);
}

.contact-item p {
  margin-top: 4px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.form-actions .btn {
  flex: 1 1 220px;
}

.form-hint {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.form-hint:not([hidden]) {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(0, 213, 255, 0.08);
  border: 1px solid rgba(0, 213, 255, 0.18);
}

.socials {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.socials a {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: white;
  transition: .3s ease;
}

.socials a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.socials a:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 213, 255, 0.35);
  color: var(--primary);
}

/* FOOTER */

footer {
  padding: 40px 0 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-inner p,
.footer-inner a {
  color: var(--muted);
  text-decoration: none;
}

.to-top {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: white;
  transition: .3s ease;
}

.to-top:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 213, 255, 0.35);
}

/* PRODUCT SHOWCASE (MInfra) */

.product-showcase {
  padding: 72px 0 88px;
  overflow: hidden;
}

.product-showcase .section-subtitle {
  margin-bottom: 36px;
}

.product-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: 40px;
  align-items: center;
  padding: 36px 40px;
  border-radius: 28px;
  background: linear-gradient(135deg,
      rgba(12, 18, 40, 0.92) 0%,
      rgba(18, 25, 47, 0.72) 55%,
      rgba(124, 77, 255, 0.12) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45), var(--shadow);
  isolation: isolate;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at 12% 20%, rgba(0, 213, 255, 0.22), transparent 42%),
    radial-gradient(circle at 88% 75%, rgba(124, 77, 255, 0.2), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

.product-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  z-index: 1;
}

.product-cosmos {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.product-orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 213, 255, 0.22);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.product-orbit.one {
  width: 200px;
  height: 200px;
  animation: orbitSpin 28s linear infinite;
}

.product-orbit.two {
  width: 160px;
  height: 160px;
  border-color: rgba(124, 77, 255, 0.28);
  animation: orbitSpin 18s linear infinite reverse;
}

.product-orbit.three {
  width: 118px;
  height: 118px;
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.12);
  animation: orbitSpin 12s linear infinite;
}

.product-orbit::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 14px var(--primary);
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
}

.product-orbit.two::after {
  background: var(--secondary);
  box-shadow: 0 0 14px var(--secondary);
  width: 6px;
  height: 6px;
}

@keyframes orbitSpin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.product-hex {
  position: absolute;
  width: 140px;
  height: 140px;
  background: conic-gradient(from 0deg,
      transparent,
      rgba(0, 213, 255, 0.35),
      transparent,
      rgba(124, 77, 255, 0.35),
      transparent);
  clip-path: polygon(50% 0%,
      93% 25%,
      93% 75%,
      50% 100%,
      7% 75%,
      7% 25%);
  opacity: 0.45;
  animation: hexPulse 6s ease-in-out infinite;
}

@keyframes hexPulse {

  0%,
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.35;
  }

  50% {
    transform: scale(1.06) rotate(12deg);
    opacity: 0.55;
  }
}

.product-logo-wrap {
  position: relative;
  z-index: 2;
  width: 112px;
  height: 112px;
  border-radius: 26px;
  padding: 3px;
  background: var(--gradient);
  box-shadow: 0 16px 48px rgba(0, 213, 255, 0.35);
  animation: floating 5s ease-in-out infinite;
}

.product-logo-inner {
  width: 100%;
  height: 100%;
  border-radius: 23px;
  overflow: hidden;
  background: #0a1024;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-logo-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-body {
  position: relative;
  z-index: 1;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  margin-bottom: 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #d9e3f5;
  background: rgba(0, 213, 255, 0.1);
  border: 1px solid rgba(0, 213, 255, 0.25);
}

.product-body h2 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  margin-bottom: 12px;
  line-height: 1.15;
}

.product-body h2 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.product-tagline {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 20px;
  max-width: 560px;
  font-size: 1rem;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
  list-style: none;
}

.product-features li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  color: #dce6f8;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.product-features li i {
  color: var(--primary);
  font-size: 0.75rem;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.product-store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-decoration: none;
  color: white;
  transition: 0.35s ease;
}

.product-store-badge:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 213, 255, 0.45);
  box-shadow: 0 12px 36px rgba(0, 213, 255, 0.2);
}

.product-store-badge i {
  font-size: 1.75rem;
  color: var(--primary);
}

.product-store-text strong {
  display: block;
  font-size: 0.95rem;
}

.product-store-text span {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
}

.product-privacy {
  font-size: 0.88rem;
  color: var(--muted);
}

.product-privacy i {
  color: var(--primary);
  margin-right: 6px;
}

/* ANIMATIONS */

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: 0.8s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */

@media (max-width: 1100px) {

  .hero-grid,
  .contact-wrapper,
  .grid-4,
  .grid-3,
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card {
    grid-template-columns: 240px 1fr;
    gap: 28px;
  }
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 90px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(8, 11, 25, 0.96);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    padding: 24px;
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .burger {
    display: block;
  }

  .hero-grid,
  .contact-wrapper,
  .grid-4,
  .grid-3,
  .tech-grid,
  .product-card {
    grid-template-columns: 1fr;
  }

  .product-card {
    padding: 28px 24px;
    text-align: center;
  }

  .product-visual {
    min-height: 200px;
  }

  .product-features {
    justify-content: center;
  }

  .product-actions {
    justify-content: center;
  }

  .hero {
    padding-top: 120px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  section {
    padding: 90px 0;
  }

  .hero-card img {
    width: 100%;
    height: auto;
    border-radius: 30px;
    display: block;
  }
}