:root {
  --bg: #020910;
  --panel: #0b1722;
  --panel-2: #101f2d;
  --line: rgba(126, 176, 215, 0.28);
  --text: #f5f8fb;
  --muted: #cbd7e0;
  --blue: #2c9df6;
  --blue-2: #54b8ff;
  --cyan: #19d4ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 64px;
  padding: 0 28px 0 220px;
  display: flex;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid rgba(52, 129, 193, 0.28);
  background:
    linear-gradient(90deg, rgba(0, 5, 10, 0.98), rgba(4, 13, 22, 0.94)),
    radial-gradient(circle at 16% 0, rgba(63, 167, 255, 0.18), transparent 32%);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

.brand {
  position: absolute;
  left: 12px;
  top: -18px;
  width: 205px;
  height: 137px;
  display: block;
  overflow: visible;
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.65)) drop-shadow(0 0 12px rgba(99, 194, 255, 0.2));
}

.primary-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.primary-nav a {
  position: relative;
  padding: 29px 0;
  white-space: nowrap;
}

.primary-nav a.active,
.primary-nav a:hover {
  color: var(--blue-2);
}

.primary-nav a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 66px;
  height: 3px;
  transform: translateX(-50%);
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 73% 100%, 27% 100%);
}

.primary-nav .consult {
  padding: 12px 22px;
  border: 1px solid var(--blue);
  border-radius: 4px;
  color: var(--blue-2);
}

.primary-nav .consult::after {
  display: none;
}

.menu-toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(7, 18, 29, 0.85);
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 7px 8px;
  background: #bde8ff;
}

.hero {
  position: relative;
  height: 343px;
  min-height: 343px;
  overflow: hidden;
  background: #03080d;
  border-bottom: 1px solid var(--line);
}

.hero-left,
.hero-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50.4%;
  background-size: cover;
  background-repeat: no-repeat;
  transition: filter 320ms ease, transform 420ms ease;
}

.hero-left {
  left: 0;
  background-image: linear-gradient(90deg, rgba(2, 8, 14, 0.12), rgba(2, 8, 14, 0.45)), url("assets/hero-left.png");
  background-position: center top;
}

.hero-right {
  right: 0;
  background-image: linear-gradient(90deg, rgba(1, 6, 12, 0.54), rgba(2, 8, 14, 0.18)), url("assets/hero-right.png");
  background-position: center 40%;
}

.hero::before {
  content: "";
  height: 100%;
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(0, 4, 9, 0.08), rgba(0, 0, 0, 0.6) 42%, rgba(0, 0, 0, 0.34) 56%, rgba(0, 3, 8, 0.06)),
    radial-gradient(circle at 50% 48%, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.35) 55%, rgba(0, 0, 0, 0.08));
  pointer-events: none;
}

.hero.alt .hero-left,
.hero.alt .hero-right {
  transform: scale(1.015);
  filter: brightness(0.95) contrast(1.03);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(515px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: 108px;
  text-align: center;
}

.hero-content h1 {
  margin: 0;
  font-size: clamp(32px, 4.2vw, 44px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-content h1 span {
  color: var(--blue);
}

.hero-content p {
  max-width: 420px;
  margin: 17px auto 22px;
  color: #fff;
  font-size: 14px;
}

.hero-arrow {
  position: absolute;
  z-index: 2;
  top: 50%;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  font-size: 42px;
  line-height: 1;
  color: #142a3d;
  background: rgba(244, 249, 255, 0.9);
  cursor: pointer;
}

.hero-prev {
  left: 18px;
}

.hero-next {
  right: 18px;
}

.slider-dots {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 21px;
  display: flex;
  gap: 13px;
  transform: translateX(-50%);
}

.slider-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
}

.slider-dots button.active {
  background: var(--blue);
}

.proof-strip {
  width: min(1120px, calc(100% - 48px));
  margin: 16px auto;
  padding: 13px 21px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(139, 181, 211, 0.33);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(17, 32, 45, 0.86), rgba(6, 16, 25, 0.88));
}

.proof-strip article {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  align-items: center;
  padding: 0 20px;
  border-right: 1px solid rgba(157, 190, 214, 0.18);
}

.proof-strip article:last-child {
  border-right: 0;
}

.proof-strip h3,
.service-card h3,
.about-list h3 {
  margin: 0 0 3px;
  font-size: 14px;
  text-transform: uppercase;
}

.proof-strip p,
.service-card p,
.about-list p {
  margin: 0;
  color: #edf5fc;
  font-size: 12px;
}

.icon,
.service-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid #39a8ff;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 24%, rgba(255, 255, 255, 0.18), transparent 27%),
    radial-gradient(circle at 50% 48%, #2e75b8, #0a2642 72%);
  box-shadow:
    inset 0 0 0 2px rgba(6, 22, 37, 0.72),
    0 0 0 1px rgba(84, 184, 255, 0.22),
    0 6px 18px rgba(0, 0, 0, 0.35);
}

.icon svg,
.service-icon svg {
  width: 40px;
  height: 40px;
  color: #f7fbff;
  fill: none;
  stroke: currentColor;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.35));
}

.service-icon svg {
  width: 42px;
  height: 42px;
  stroke-width: 4;
}

.icon .solid,
.service-icon .solid,
.panel-icon .solid {
  fill: currentColor;
  stroke: currentColor;
}

.icon .dot,
.service-icon .dot,
.panel-icon .dot {
  stroke: none;
}

.icon .line,
.service-icon .line,
.panel-icon .line {
  fill: none;
  stroke: currentColor;
}

.icon .heavy,
.service-icon .heavy,
.panel-icon .heavy {
  stroke-width: 5.6;
}

.icon .cut,
.service-icon .cut,
.panel-icon .cut {
  fill: none;
  stroke: #0e3760;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about {
  position: relative;
  min-height: 275px;
  padding: 28px max(7vw, 38px);
  display: grid;
  grid-template-columns: 1.06fr 1fr 1.38fr;
  gap: 34px;
  overflow: hidden;
  border-top: 1px solid rgba(60, 112, 151, 0.25);
  border-bottom: 1px solid rgba(60, 112, 151, 0.25);
  background: linear-gradient(90deg, #020810 0%, #07131d 52%, #07131d 100%);
}

.about-image {
  position: absolute;
  inset: 0 0 0 auto;
  width: 47%;
  background:
    linear-gradient(90deg, #07131d 0%, rgba(7, 19, 29, 0.88) 14%, rgba(5, 13, 21, 0.2) 48%),
    url("assets/about-lab.png") center/cover no-repeat;
}

.about-copy,
.about-list {
  position: relative;
  z-index: 1;
}

.about-list {
  padding-left: 32px;
  border-left: 1px solid rgba(160, 190, 210, 0.28);
}

.eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2.2px;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.05;
}

.about h2 span,
.feature-panel h2 span {
  color: var(--blue);
}

.about-copy p {
  max-width: 390px;
  margin: 15px 0 0;
  color: #eef5fb;
  font-size: 14px;
}

.about-copy .btn {
  margin-top: 22px;
}

.about-list article {
  position: relative;
  margin-bottom: 18px;
  padding-left: 42px;
}

.about-list article span {
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border: 2px solid var(--blue);
  border-radius: 50%;
}

.about-list article span::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid #bde8ff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 11px 23px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(180deg, #5eb4ff, #1e7bd5);
  color: #fff;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.25);
}

.btn.outline,
.btn.dark {
  border-color: rgba(52, 167, 255, 0.8);
  color: var(--blue-2);
  background: rgba(2, 9, 16, 0.45);
}

.btn.dark {
  color: #fff;
  border-color: rgba(184, 219, 255, 0.52);
}

.services {
  padding: 24px max(4.5vw, 28px) 20px;
  text-align: center;
  background:
    linear-gradient(rgba(2, 12, 21, 0.94), rgba(3, 13, 22, 0.96)),
    radial-gradient(circle at 18% 40%, rgba(29, 111, 173, 0.32), transparent 27%),
    repeating-linear-gradient(45deg, rgba(58, 164, 255, 0.08) 0 1px, transparent 1px 75px);
}

.services .eyebrow {
  margin-bottom: 2px;
}

.title-rule {
  width: 51px;
  height: 2px;
  margin: 8px auto 16px;
  background: var(--blue-2);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 12px;
}

.service-card {
  min-height: 190px;
  padding: 16px 18px 18px;
  border: 1px solid rgba(133, 171, 205, 0.24);
  border-radius: 5px;
  background: linear-gradient(145deg, rgba(23, 38, 51, 0.98), rgba(9, 17, 27, 0.98));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.04);
}

.service-card .service-icon {
  margin: 0 auto 13px;
  width: 72px;
  height: 72px;
}

.service-card p {
  min-height: 54px;
  color: #e2ecf3;
}

.service-card a {
  display: inline-flex;
  gap: 8px;
  margin-top: 13px;
  color: var(--blue-2);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.feature-panels {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  border-top: 1px solid rgba(85, 137, 179, 0.35);
  border-bottom: 1px solid rgba(85, 137, 179, 0.35);
}

.feature-panel {
  min-height: 255px;
  padding: 24px 38px;
  background-size: cover;
  background-position: center;
  border-right: 1px solid rgba(91, 145, 188, 0.45);
}

.feature-panel > div {
  max-width: 500px;
}

.internship {
  background-image: linear-gradient(90deg, rgba(3, 13, 23, 0.98) 0%, rgba(4, 15, 25, 0.9) 44%, rgba(3, 13, 23, 0.22) 100%), url("assets/internship-bg.png");
  background-position: center;
}

.webinar {
  background-image: linear-gradient(90deg, rgba(2, 12, 21, 0.98) 0%, rgba(4, 15, 25, 0.9) 55%, rgba(4, 15, 25, 0.22) 100%), url("assets/webinar-bg.png");
}

.panel-icon {
  float: left;
  margin-right: 16px;
  color: var(--blue-2);
  line-height: 1.2;
}

.panel-icon svg {
  width: 42px;
  height: 42px;
  color: var(--blue-2);
  fill: none;
  stroke: var(--blue-2);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.5));
}

.panel-icon .cut {
  stroke: #03101b;
}

.feature-panel h2 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 24px;
  line-height: 1.1;
  text-transform: uppercase;
}

.feature-panel h3,
.feature-panel p {
  margin: 9px 0 7px;
  color: #eef5fb;
  font-size: 14px;
  font-weight: 600;
}

.feature-panel ul {
  clear: both;
  margin: 10px 0 14px;
  padding: 0;
  list-style: none;
}

.feature-panel li {
  position: relative;
  margin: 6px 0;
  padding-left: 23px;
  color: #edf4fb;
  font-size: 13px;
}

.feature-panel li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 5px;
  width: 6px;
  height: 10px;
  border: solid #9ad9ff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

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

.footer {
  position: relative;
  padding: 27px max(4.5vw, 28px) 56px;
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 1.45fr 1.1fr;
  gap: 28px;
  background:
    linear-gradient(90deg, rgba(2, 14, 25, 0.98), rgba(4, 18, 31, 0.94)),
    radial-gradient(circle at 85% 10%, rgba(54, 154, 238, 0.24), transparent 35%);
}

.footer-column {
  min-width: 0;
  padding-right: 27px;
  border-right: 1px solid rgba(84, 135, 174, 0.16);
}

.footer h2 {
  margin-bottom: 17px;
  color: var(--cyan);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1;
  text-transform: uppercase;
}

.contact-info p,
.links a {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 0 0 15px;
  font-size: 15px;
}

.contact-info p span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  border-radius: 50%;
  background: linear-gradient(180deg, #4baef5, #1b67ad);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.links a {
  justify-content: space-between;
  width: 160px;
  margin-bottom: 11px;
  font-size: 13px;
}

.message-form {
  display: grid;
  gap: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

input,
textarea {
  width: 100%;
  min-height: 34px;
  padding: 10px 12px;
  border: 1px solid rgba(145, 178, 205, 0.27);
  border-radius: 3px;
  background: rgba(7, 17, 28, 0.86);
  color: #fff;
  font-family: inherit;
  font-size: 12px;
}

input:focus,
textarea:focus {
  outline: 1px solid var(--blue-2);
  border-color: rgba(84, 184, 255, 0.9);
  box-shadow: 0 0 0 3px rgba(46, 157, 246, 0.12);
}

input.is-invalid,
textarea.is-invalid {
  border-color: #ff6b6b;
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.12);
}

textarea {
  min-height: 61px;
  resize: vertical;
}

.message-form .btn {
  justify-self: start;
  min-height: 34px;
  padding: 9px 17px;
}

.form-status {
  min-height: 18px;
  margin: 0;
  color: #9edbff;
  font-size: 12px;
}

.form-status.error {
  color: #ffb7b7;
}

.form-status.success {
  color: #a9f5cf;
}

.footer-logo {
  min-height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo img {
  width: min(100%, 330px);
  max-height: 190px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.55)) drop-shadow(0 0 18px rgba(92, 184, 255, 0.18));
}

.footer-bottom {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  min-height: 45px;
  padding: 0 max(4.5vw, 28px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(86, 128, 161, 0.22);
  color: #dce7ef;
  font-size: 12px;
}

.social {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-left: 10px;
  border-radius: 50%;
  background: #1b75bc;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
}

.social.instagram {
  background: linear-gradient(135deg, #8a3ab9, #e95950, #fccc63);
}

@media (max-width: 1120px) {
  .site-header {
    height: 74px;
    min-height: 74px;
    padding: 8px 18px 8px 155px;
  }

  .brand {
    left: 12px;
    top: -8px;
    width: 155px;
    height: 104px;
  }

  .menu-toggle {
    display: block;
  }

  .primary-nav {
    position: absolute;
    top: 74px;
    right: 18px;
    width: min(320px, calc(100vw - 36px));
    display: none;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(4, 14, 24, 0.98);
  }

  .primary-nav.open {
    display: grid;
    gap: 0;
  }

  .primary-nav a {
    padding: 12px;
  }

  .primary-nav a.active::after {
    display: none;
  }

  .primary-nav .consult {
    text-align: center;
  }

  .proof-strip,
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-strip article:nth-child(2) {
    border-right: 0;
  }

  .about {
    grid-template-columns: 1fr;
    padding-top: 42px;
  }

  .about-image {
    position: relative;
    width: 100%;
    min-height: 270px;
    grid-row: 3;
  }

  .about-list {
    padding-left: 0;
    border-left: 0;
  }

  .feature-panels,
  .footer {
    grid-template-columns: 1fr;
  }

  .footer-column {
    border-right: 0;
    padding-right: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-left: 110px;
  }

  .brand {
    left: 8px;
    top: 1px;
    width: 104px;
    height: 70px;
  }

  .hero {
    height: 390px;
    min-height: 390px;
  }

  .hero-left,
  .hero-right {
    width: 100%;
  }

  .hero-left {
    opacity: 0.88;
  }

  .hero-right {
    opacity: 0.36;
  }

  .hero-content {
    padding-top: 100px;
  }

  .hero-arrow {
    width: 36px;
    height: 36px;
    font-size: 34px;
  }

  .proof-strip,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip article {
    border-right: 0;
    border-bottom: 1px solid rgba(157, 190, 214, 0.18);
    padding: 14px 0;
  }

  .proof-strip article:last-child {
    border-bottom: 0;
  }

  .feature-panel {
    padding: 24px;
  }

  .form-row,
  .footer-bottom {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer {
    padding-bottom: 82px;
  }
}