/*
 * Adrian Dmitruk - adrian-dmitruk.eu
 * Main stylesheet
 *
 * Structure:
 *  1. Design tokens and themes
 *  2. Global defaults and layout utilities
 *  3. Header, navigation and buttons
 *  4. Hero and application presentation
 *  5. About, skills, projects and qualifications
 *  6. Contact form and footer
 *  7. Responsive behaviour and accessibility
 *  8. Interactive components and page-specific layouts
 *
 * The rule order is intentionally preserved to avoid changing the existing
 * visual cascade. Descriptive section comments make future maintenance easier.
 */

:root {
  --bg: #06111f;
  --surface: #0a1728;
  --surface-2: #0e1e32;
  --surface-3: #122741;
  --text: #f8fbff;
  --muted: #9fb0c7;
  --line: rgba(161, 187, 220, 0.16);
  --accent: #4e84ff;
  --accent-2: #6fc3ff;
  --accent-3: #7a5cff;
  --success: #38d996;
  --warning: #ffca68;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
  --radius: 30px;
  --shell: 1220px;
}
html[data-theme="light"] {
  --bg: #f7f9fd;
  --surface: #fff;
  --surface-2: #eef4fb;
  --surface-3: #e4eefb;
  --text: #07101d;
  --muted: #5b687a;
  --line: rgba(39, 71, 112, 0.14);
  --shadow: 0 30px 90px rgba(42, 72, 116, 0.14);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
}
.shell {
  width: min(calc(100% - 36px), var(--shell));
  margin-inline: auto;
}
.section {
  padding: 120px 0;
  position: relative;
}
.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  background: var(--accent);
  padding: 12px 18px;
  z-index: 1000;
  border-radius: 10px;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #1d55d8);
  color: white;
  box-shadow: 0 12px 30px rgba(78, 132, 255, 0.28);
}
.brand-text {
  display: grid;
  line-height: 1.1;
}
.brand-text small {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.67rem;
  letter-spacing: 0.03em;
  margin-top: 4px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
}
.nav-links > a:not(.button) {
  color: var(--muted);
}
.nav-links > a:hover {
  color: var(--text);
}
.theme-toggle,
.menu-toggle {
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.theme-toggle {
  font-size: 1.2rem;
}
.menu-toggle {
  display: none;
  width: 44px;
}
.menu-toggle i {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px auto;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  background: linear-gradient(135deg, var(--accent), #2a66e9);
  color: #fff;
  border-radius: 999px;
  padding: 14px 24px;
  font-weight: 800;
  cursor: pointer;
  transition: 0.25s;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(78, 132, 255, 0.3);
}
.button-small {
  padding: 10px 16px;
  font-size: 0.84rem;
}
.button-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 800;
  font-size: 0.76rem;
  color: var(--accent-2);
  margin: 0 0 20px;
}
.hero {
  min-height: calc(100vh - 78px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 90px 0 70px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 72px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-copy-wrap {
  max-width: 700px;
}
.availability-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 28px;
}
.availability-pill span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 6px rgba(56, 217, 150, 0.1);
}
.hero h1 {
  font-size: clamp(3.7rem, 7vw, 7.8rem);
  line-height: 0.92;
  letter-spacing: -0.07em;
  margin: 0;
  max-width: 880px;
}
.hero h1 span {
  background: linear-gradient(90deg, #72a7ff, #7be3ff 55%, #af91ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy {
  font-size: clamp(1.08rem, 1.55vw, 1.28rem);
  color: var(--muted);
  max-width: 690px;
  margin: 30px 0;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 42px;
}
.hero-stats div {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.hero-stats strong {
  display: block;
  font-size: 1.6rem;
}
.hero-stats span {
  font-size: 0.82rem;
  color: var(--muted);
}
.hero-showcase {
  position: relative;
}
.phone-stage {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 44px;
  padding: 14px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.08),
    rgba(255, 255, 255, 0.02)
  );
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
}
.phone-stage img {
  border-radius: 32px;
  max-height: 770px;
  margin: auto;
}
.phone-glow {
  position: absolute;
  inset: 8%;
  background: radial-gradient(circle, #4e84ff 0, transparent 65%);
  filter: blur(60px);
  opacity: 0.36;
}
.floating-label {
  position: absolute;
  z-index: 3;
  padding: 11px 15px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  font-size: 0.82rem;
  font-weight: 700;
}
.label-one {
  left: -40px;
  top: 18%;
}
.label-two {
  right: -28px;
  bottom: 16%;
}
.hero-mesh {
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.33;
}
.mesh-a {
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, #1d69ff, transparent 65%);
  right: -180px;
  top: -120px;
}
.mesh-b {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #6f39ff, transparent 65%);
  left: -190px;
  bottom: -250px;
}
.logo-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  background: color-mix(in srgb, var(--surface) 65%, transparent);
}
.logo-strip .shell {
  display: flex;
  align-items: center;
  gap: 30px;
}
.logo-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}
.platforms {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.86rem;
}
.section-kicker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 42px;
}
.section-count {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
}
.section-heading {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 70px;
  align-items: end;
  margin-bottom: 58px;
}
.section-heading h2,
.about-grid h2,
.case-copy h2,
.contact-grid h2 {
  font-size: clamp(2.5rem, 5vw, 5rem);
  line-height: 1;
  letter-spacing: -0.055em;
  margin: 0;
}
.section-heading p,
.prose,
.contact-grid > div > p {
  color: var(--muted);
  font-size: 1.08rem;
}
.apps-section {
  background: linear-gradient(180deg, var(--bg), var(--surface));
}
.product-hero {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 46px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: linear-gradient(145deg, var(--surface-3), var(--surface));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.product-hero:after {
  content: "";
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(91, 145, 255, 0.24),
    transparent 67%
  );
  right: -110px;
  top: -120px;
}
.product-copy {
  position: relative;
  z-index: 2;
  align-self: center;
}
.product-head,
.product-card-top {
  display: flex;
  align-items: center;
  gap: 17px;
}
.product-head img,
.product-card-top img {
  border-radius: 22px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.35);
}
.product-head h3,
.product-card h3 {
  font-size: clamp(1.9rem, 3vw, 3.2rem);
  line-height: 1;
  margin: 8px 0 0;
  letter-spacing: -0.04em;
}
.status {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 800;
}
.status.pending {
  color: var(--warning);
}
.product-lead,
.product-tagline {
  font-size: 1.18rem;
  color: var(--text);
  font-weight: 700;
}
.product-copy > p:not(.product-lead),
.product-card > p:not(.product-tagline),
.product-card-copy > p:not(.product-tagline) {
  color: var(--muted);
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0;
}
.feature-grid div {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.025);
}
.feature-grid strong {
  display: block;
  margin-bottom: 5px;
}
.feature-grid span {
  color: var(--muted);
  font-size: 0.88rem;
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-tags span {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  border-radius: 999px;
  padding: 7px 11px;
  color: var(--muted);
  font-size: 0.79rem;
}
.product-visual {
  position: relative;
  z-index: 2;
}
.product-visual img {
  border-radius: 26px;
  max-height: 830px;
  margin: auto;
}
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
.product-card {
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 30px;
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
  transition: 0.25s;
}
.product-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow);
}
.product-card-top {
  justify-content: space-between;
  align-items: flex-start;
}
.store-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.store-button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 11px 14px;
  margin-top: 22px;
  font-size: 0.84rem;
  font-weight: 800;
}
.store-button:hover {
  border-color: var(--accent);
}
.product-card-wide {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  align-items: center;
  min-height: 430px;
}
.security-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 360px;
}
.security-visual img {
  width: 180px;
  border-radius: 42px;
  position: relative;
  z-index: 3;
  box-shadow: var(--shadow);
}
.scanner-ring {
  position: absolute;
  border: 1px solid rgba(111, 195, 255, 0.28);
  border-radius: 50%;
  animation: pulse 4s infinite ease-out;
}
.ring-one {
  width: 220px;
  height: 220px;
}
.ring-two {
  width: 310px;
  height: 310px;
  animation-delay: 1s;
}
.ring-three {
  width: 400px;
  height: 400px;
  animation-delay: 2s;
}
@keyframes pulse {
  0%,
  100% {
    transform: scale(0.92);
    opacity: 0.35;
  }
  50% {
    transform: scale(1.04);
    opacity: 0.8;
  }
}
.about-section {
  background: var(--surface);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.values-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.values-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.82rem;
}
.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.capability-card {
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 30px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  min-height: 280px;
}
.capability-number {
  display: block;
  color: var(--accent-2);
  font-weight: 800;
  margin-bottom: 55px;
}
.capability-card h3 {
  font-size: 1.6rem;
  margin: 0 0 12px;
}
.capability-card p {
  color: var(--muted);
}
.projects-section {
  background: var(--surface);
}
.case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  border: 1px solid var(--line);
  border-radius: 36px;
  padding: 34px;
  background: var(--surface-2);
  align-items: center;
}
.case-copy p {
  color: var(--muted);
}
.case-points {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}
.case-points div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.case-points span {
  color: var(--muted);
}
.case-visual img {
  border-radius: 24px;
}
.timeline {
  position: relative;
}
.timeline:before {
  content: "";
  position: absolute;
  left: 220px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}
.timeline article {
  display: grid;
  grid-template-columns: 185px 1fr;
  gap: 66px;
  padding: 26px 0;
}
.timeline article > div:last-child {
  position: relative;
}
.timeline article > div:last-child:before {
  content: "";
  position: absolute;
  left: -73px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 7px var(--bg);
}
.time,
.company,
.timeline p {
  color: var(--muted);
}
.qualification-list {
  border-top: 1px solid var(--line);
}
.qualification-list article {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.qualification-list article > span {
  color: var(--accent-2);
  font-weight: 800;
}
.qualification-list h3 {
  margin: 0 0 5px;
}
.qualification-list p {
  margin: 0;
  color: var(--muted);
}
.contact-section {
  background: linear-gradient(135deg, #0c1d39, #122d60);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  color: white;
}
.contact-direct {
  display: grid;
  gap: 10px;
  margin-top: 30px;
}
.contact-direct a {
  color: #8fd7ff;
  font-weight: 700;
}
.contact-form {
  display: grid;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 30px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
label {
  display: grid;
  gap: 7px;
  font-weight: 700;
  font-size: 0.9rem;
}
input,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 13px 14px;
  background: rgba(5, 15, 28, 0.6);
  color: white;
}
textarea {
  resize: vertical;
}
.consent {
  display: flex;
  grid-template-columns: auto 1fr;
  align-items: flex-start;
  font-weight: 500;
  color: #c5d1e2;
}
.consent input {
  width: auto;
  margin-top: 5px;
}
.honeypot {
  position: absolute;
  left: -9999px;
}
.footer {
  padding: 60px 0 24px;
  border-top: 1px solid var(--line);
}
.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
}
.footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.88rem;
}
.copyright {
  border-top: 1px solid var(--line);
  margin-top: 30px;
  padding-top: 22px;
  color: var(--muted);
  font-size: 0.82rem;
}
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.delay-1 {
  transition-delay: 0.12s;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
:focus-visible {
  outline: 3px solid var(--accent-2);
  outline-offset: 4px;
}
@media (max-width: 1020px) {
  .menu-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    inset: 78px 0 auto 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 24px;
    display: none;
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links.open {
    display: flex;
  }
  .hero-grid,
  .section-heading,
  .about-grid,
  .case-study,
  .contact-grid,
  .product-hero {
    grid-template-columns: 1fr;
  }
  .hero-showcase {
    max-width: 700px;
    margin: auto;
  }
  .product-card-wide {
    grid-template-columns: 1fr;
  }
  .section-heading {
    gap: 16px;
  }
  .label-one {
    left: 10px;
  }
  .label-two {
    right: 10px;
  }
}
@media (max-width: 700px) {
  .section {
    padding: 88px 0;
  }
  .hero {
    padding-top: 60px;
  }
  .hero h1 {
    font-size: clamp(3.3rem, 15vw, 5.2rem);
  }
  .hero-stats,
  .feature-grid,
  .product-grid,
  .capability-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
  .product-card-wide {
    grid-column: auto;
  }
  .floating-label {
    display: none;
  }
  .logo-strip .shell {
    display: grid;
  }
  .timeline:before {
    left: 7px;
  }
  .timeline article {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-left: 34px;
  }
  .timeline article > div:last-child:before {
    left: -34px;
  }
  .qualification-list article {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .footer-main {
    display: grid;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

body {
  background:
    radial-gradient(circle at 8% 12%, rgba(83, 121, 255, 0.1), transparent 24%),
    radial-gradient(
      circle at 92% 34%,
      rgba(0, 209, 190, 0.08),
      transparent 25%
    ),
    var(--bg);
}
.product-showcase-list {
  display: grid;
  gap: 28px;
}
.product-card-wide {
  grid-column: auto;
}
.app-visual {
  position: relative;
  min-height: 410px;
  display: grid;
  place-items: center;
  border-radius: 26px;
  overflow: hidden;
}
.app-visual > img {
  position: relative;
  z-index: 4;
  width: 190px;
  border-radius: 43px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.42);
}
.app-security {
  background: linear-gradient(135deg, #09131e, #0d3025 72%, #123f2d);
}
.app-quadrixa {
  background: linear-gradient(135deg, #121329, #34204f 68%, #52264d);
}
.app-versuscan {
  background: linear-gradient(135deg, #0b1020, #19152c 62%, #291729);
}
.visual-security {
  background: radial-gradient(
    circle at center,
    rgba(70, 255, 132, 0.16),
    transparent 56%
  );
}
.terminal-window {
  position: absolute;
  left: 7%;
  right: 7%;
  top: 18%;
  padding: 22px;
  border: 1px solid rgba(105, 255, 161, 0.23);
  border-radius: 18px;
  background: rgba(2, 10, 8, 0.73);
  transform: rotate(-4deg);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
}
.terminal-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}
.terminal-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4cff87;
}
.terminal-window code {
  color: #a8ffc2;
  font:
    600 0.82rem/1.8 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
}
.terminal-window code span {
  color: #fff;
}
.visual-quadrixa {
  background: radial-gradient(
    circle at center,
    rgba(255, 108, 122, 0.2),
    transparent 58%
  );
}
.blocks {
  position: absolute;
  display: grid;
  grid-template-columns: repeat(4, 58px);
  grid-auto-rows: 58px;
  gap: 7px;
  transform: rotate(-7deg);
}
.blocks i {
  border-radius: 10px;
  background: linear-gradient(145deg, #ffb52e, #ff4f6d);
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, 0.24),
    0 8px 20px rgba(255, 80, 95, 0.2);
}
.blocks i:nth-child(3n) {
  background: linear-gradient(145deg, #ffef5a, #ff8c25);
}
.blocks i:nth-child(4n) {
  visibility: hidden;
}
.visual-versuscan {
  background: radial-gradient(
    circle at center,
    rgba(211, 73, 255, 0.17),
    transparent 56%
  );
}
.app-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 24px 0;
}
.app-benefits span {
  padding: 8px 11px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  color: #dbe7f6;
}
.qualification-groups {
  display: grid;
  gap: 28px;
}
.qualification-group {
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 30px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
}
.qualification-group-heading {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 24px;
}
.qualification-group-heading > span {
  color: var(--accent-2);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
}
.qualification-group-heading h3 {
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  margin: 0;
  letter-spacing: -0.04em;
}
.qualification-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.qualification-cards article,
.course-cloud article {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.025);
}
.qualification-cards h4 {
  font-size: 1.16rem;
  margin: 8px 0;
}
.qualification-cards p {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}
.qualification-cards small {
  display: block;
  color: var(--muted);
  margin-top: 8px;
}
.qual-year {
  color: var(--accent-2);
  font-weight: 800;
}
.course-cloud {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.course-cloud article {
  display: grid;
  gap: 6px;
  transition: 0.2s;
}
.course-cloud article:hover {
  transform: translateY(-3px);
  border-color: rgba(111, 195, 255, 0.38);
}
.course-cloud strong {
  line-height: 1.35;
}
.course-cloud span {
  color: var(--muted);
  font-size: 0.82rem;
}
.linkedin-detail-cta {
  margin-top: 28px;
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(135deg, #173b76, #215fbd 58%, #1aa1ad);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  color: white;
}
.linkedin-detail-cta h3 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  margin: 0 0 10px;
}
.linkedin-detail-cta p {
  margin: 0;
  color: #dbeaff;
}
.linkedin-detail-cta .eyebrow {
  color: #bfeeff;
  margin-bottom: 10px;
}
@media (max-width: 900px) {
  .qualification-cards {
    grid-template-columns: 1fr;
  }
  .linkedin-detail-cta {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 700px) {
  .product-card-wide {
    display: grid;
    grid-template-columns: 1fr;
  }
  .app-visual {
    min-height: 330px;
  }
  .qualification-group-heading,
  .course-cloud {
    grid-template-columns: 1fr;
  }
  .blocks {
    grid-template-columns: repeat(4, 42px);
    grid-auto-rows: 42px;
  }
}

/* ==========================================================================
   HERO CAROUSEL AND BACK-TO-TOP CONTROL
   ==========================================================================

   Controls the featured application carousel, navigation arrows, pagination
   dots and the floating button used to return to the top of the page.
   ========================================================================== */
.hero-showcase {
  min-width: 0;
}
.showcase-carousel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 38px;
  padding: 14px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.08),
    rgba(255, 255, 255, 0.025)
  );
  box-shadow: var(--shadow);
  overflow: hidden;
}
.carousel-track {
  position: relative;
  aspect-ratio: 4/5;
  min-height: 560px;
}
.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(0.985) translateX(18px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
  pointer-events: none;
}
.carousel-slide.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 28px;
  background: #07101d;
}
.carousel-caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 12px;
  align-items: center;
  padding: 15px 17px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: rgba(4, 13, 25, 0.78);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
}
.carousel-caption span {
  grid-row: 1/3;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(78, 132, 255, 0.17);
  color: #9bc8ff;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.carousel-caption strong {
  font-size: 1rem;
  color: #fff;
}
.carousel-caption small {
  color: #bdcadb;
}
.carousel-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 50%;
  background: rgba(5, 15, 29, 0.74);
  color: #fff;
  backdrop-filter: blur(12px);
  cursor: pointer;
  transform: translateY(-50%);
  transition: 0.2s;
}
.carousel-arrow:hover {
  background: var(--accent);
  transform: translateY(-50%) scale(1.06);
}
.carousel-prev {
  left: 24px;
}
.carousel-next {
  right: 24px;
}
.carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 102px;
  z-index: 5;
  display: flex;
  gap: 8px;
  transform: translateX(-50%);
}
.carousel-dots button {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: 0.2s;
}
.carousel-dots button.is-active {
  width: 28px;
  border-radius: 999px;
  background: #fff;
}
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: 0.25s;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.back-to-top:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.back-to-top span {
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
}
@media (max-width: 1020px) {
  .carousel-track {
    min-height: 620px;
  }
}
@media (max-width: 700px) {
  .showcase-carousel {
    padding: 9px;
    border-radius: 26px;
  }
  .carousel-track {
    min-height: 500px;
    aspect-ratio: 3/5;
  }
  .carousel-slide img {
    border-radius: 20px;
  }
  .carousel-caption {
    left: 12px;
    right: 12px;
    bottom: 12px;
    grid-template-columns: 1fr;
    padding: 12px;
  }
  .carousel-caption span {
    grid-row: auto;
    width: max-content;
    margin-bottom: 5px;
  }
  .carousel-dots {
    bottom: 92px;
  }
  .carousel-arrow {
    width: 42px;
    height: 42px;
  }
  .carousel-prev {
    left: 14px;
  }
  .carousel-next {
    right: 14px;
  }
  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 48px;
    height: 48px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .carousel-slide {
    transition: none;
  }
}

/* ==========================================================================
   BRANDING AND INTERFACE POLISH
   ==========================================================================

   Defines the custom AD logo, brand typography, contact privacy note and
   theme-specific adjustments.
   ========================================================================== */
.brand-mark.brand-logo {
  width: 72px;
  height: 48px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}
.brand-mark.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(28, 111, 255, 0.24));
}
.site-header .brand:hover .brand-logo img,
.footer .brand:hover .brand-logo img {
  transform: translateY(-1px) scale(1.025);
}
.brand-logo img {
  transition: transform 0.2s ease;
}
.brand-text {
  font-size: 1.02rem;
}
.brand-text small {
  font-size: 0.7rem;
}
.contact-form-wrap {
  display: grid;
  gap: 12px;
}
.contact-privacy-note {
  margin: 0;
  padding-inline: 8px;
  color: #b7c7db;
  font-size: 0.78rem;
}
html[data-theme="light"] .brand-mark.brand-logo img {
  filter: drop-shadow(0 10px 18px rgba(28, 92, 190, 0.18));
}
html[data-theme="light"] .carousel-slide img {
  background: #edf3fb;
}
html[data-theme="light"] .carousel-caption {
  background: rgba(7, 19, 38, 0.82);
}
@media (max-width: 700px) {
  .brand-mark.brand-logo {
    width: 58px;
    height: 40px;
  }
  .brand-text {
    font-size: 0.92rem;
  }
  .brand-text small {
    font-size: 0.62rem;
  }
}

/* ==========================================================================
   APPLICATION GALLERIES AND PRIVACY PAGE
   ==========================================================================

   Includes horizontal screenshot galleries, the full-screen image viewer and
   the responsive Privacy Policy layout.
   ========================================================================== */
.app-gallery {
  margin: 24px 0 42px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  overflow: hidden;
}
.gallery-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 18px;
}
.gallery-heading .eyebrow {
  margin-bottom: 5px;
}
.gallery-heading h4 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 2rem);
  letter-spacing: -0.035em;
}
.gallery-heading > span {
  color: var(--muted);
  font-size: 0.78rem;
}
.gallery-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 23%);
  gap: 14px;
  overflow-x: auto;
  padding: 2px 2px 12px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.gallery-item {
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #050b13;
  overflow: hidden;
  cursor: zoom-in;
  scroll-snap-align: start;
  transition: 0.25s;
}
.gallery-item:hover {
  transform: translateY(-5px);
  border-color: rgba(111, 195, 255, 0.5);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 9/16;
  object-fit: cover;
  object-position: top;
}
.image-lightbox[hidden] {
  display: none;
}
.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 34px;
  background: rgba(1, 7, 14, 0.94);
  backdrop-filter: blur(20px);
}
.image-lightbox figure {
  margin: 0;
  display: grid;
  place-items: center;
  min-width: 0;
  max-height: 92vh;
}
.image-lightbox img {
  max-height: 86vh;
  max-width: min(92vw, 1100px);
  border-radius: 20px;
  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.55);
}
.image-lightbox figcaption {
  margin-top: 10px;
  color: #c6d2e1;
  font-size: 0.84rem;
}
.lightbox-close,
.lightbox-nav {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(12px);
}
.lightbox-close {
  position: absolute;
  right: 22px;
  top: 22px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.8rem;
}
.lightbox-nav {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 1.2rem;
}
.lightbox-close:hover,
.lightbox-nav:hover {
  background: var(--accent);
}
body.lightbox-open {
  overflow: hidden;
}

.privacy-page {
  background:
    radial-gradient(
      circle at 12% 10%,
      rgba(78, 132, 255, 0.14),
      transparent 30%
    ),
    radial-gradient(circle at 88% 42%, rgba(93, 73, 255, 0.1), transparent 28%),
    var(--bg);
}
.privacy-main {
  padding-bottom: 110px;
}
.privacy-hero {
  padding: 100px 0 54px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 70px;
  align-items: end;
}
.privacy-hero h1 {
  font-size: clamp(3.2rem, 7vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.065em;
  margin: 0 0 24px;
  max-width: 850px;
}
.privacy-hero > div > p:last-child {
  max-width: 800px;
  color: var(--muted);
  font-size: 1.1rem;
}
.privacy-summary {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  box-shadow: var(--shadow);
  display: grid;
  gap: 7px;
}
.privacy-summary span,
.privacy-summary small {
  color: var(--muted);
}
.privacy-summary strong {
  font-size: 1.35rem;
}
.privacy-content {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}
.privacy-toc {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 7px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}
.privacy-toc strong {
  margin-bottom: 7px;
}
.privacy-toc a {
  padding: 9px 11px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}
.privacy-toc a:hover {
  background: var(--surface-3);
  color: var(--text);
}
.privacy-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.privacy-card {
  scroll-margin-top: 110px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.12);
}
.privacy-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(
    135deg,
    rgba(78, 132, 255, 0.23),
    rgba(122, 92, 255, 0.18)
  );
  color: var(--accent-2);
  font-size: 1.2rem;
}
.privacy-card small {
  color: var(--accent-2);
  font-weight: 800;
  letter-spacing: 0.16em;
}
.privacy-card h2 {
  margin: 8px 0 12px;
  font-size: 1.6rem;
}
.privacy-card p {
  margin: 0;
  color: var(--muted);
}
.privacy-trust {
  grid-column: 1/-1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(135deg, #153f87, #285fca 58%, #226f91);
  color: #fff;
}
.privacy-trust span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 800;
  color: #c6e8ff;
}
.privacy-trust h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  margin: 8px 0;
}
.privacy-trust p {
  margin: 0;
  color: #dceaff;
}
.privacy-shield {
  display: grid;
  place-items: center;
  flex: 0 0 110px;
  height: 110px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 3rem;
}
.privacy-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
@media (max-width: 900px) {
  .privacy-hero {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .privacy-summary {
    max-width: 420px;
  }
  .privacy-content {
    grid-template-columns: 1fr;
  }
  .privacy-toc {
    position: static;
    grid-template-columns: repeat(3, 1fr);
  }
  .privacy-toc strong {
    grid-column: 1/-1;
  }
  .privacy-card-grid {
    grid-template-columns: 1fr;
  }
  .gallery-strip {
    grid-auto-columns: minmax(180px, 40%);
  }
}
@media (max-width: 600px) {
  .privacy-hero {
    padding-top: 65px;
  }
  .privacy-content {
    gap: 22px;
  }
  .privacy-toc {
    grid-template-columns: 1fr 1fr;
  }
  .privacy-card {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 22px;
  }
  .privacy-trust {
    display: grid;
  }
  .privacy-shield {
    width: 82px;
    height: 82px;
    flex-basis: auto;
  }
  .gallery-heading {
    display: grid;
    align-items: start;
  }
  .gallery-strip {
    grid-auto-columns: 72%;
  }
  .image-lightbox {
    grid-template-columns: 1fr;
    padding: 70px 14px 20px;
  }
  .lightbox-nav {
    position: absolute;
    bottom: 20px;
  }
  .lightbox-prev {
    left: 20px;
  }
  .lightbox-next {
    right: 20px;
  }
}

/* ==========================================================================
   CASE STUDIES AND PRODUCT PRINCIPLES
   ==========================================================================

   Styles the premium project case-study panels and the four product-principle
   cards, including their visual illustrations.
   ========================================================================== */
.projects-section {
  background: linear-gradient(180deg, var(--surface), var(--bg));
  overflow: hidden;
}
.projects-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 52px;
}
.projects-intro .eyebrow span {
  display: inline-block;
  margin-right: 10px;
  color: var(--muted);
}
.projects-intro h2 {
  font-size: clamp(2.8rem, 5.5vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  margin: 0;
  max-width: 920px;
}
.projects-intro h2 span {
  color: var(--accent-2);
}
.projects-intro > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.case-study-stack {
  display: grid;
  gap: 24px;
}
.case-panel {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  min-height: 470px;
  border: 1px solid var(--line);
  border-radius: 34px;
  overflow: hidden;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.16);
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}
.case-panel:hover {
  transform: translateY(-5px);
  border-color: rgba(111, 195, 255, 0.34);
  box-shadow: var(--shadow);
}
.case-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 390px;
  overflow: hidden;
  border-right: 1px solid var(--line);
}
.case-art:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.035),
    transparent 52%
  );
}
.case-content {
  padding: 48px;
  align-self: center;
}
.case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 42px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.case-content h3 {
  font-size: clamp(2rem, 3.4vw, 3.5rem);
  line-height: 1.03;
  letter-spacing: -0.045em;
  margin: 0 0 20px;
}
.case-content > p {
  color: var(--muted);
  font-size: 1.02rem;
  margin: 0 0 24px;
  max-width: 720px;
}
.case-content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: grid;
  gap: 10px;
}
.case-content li {
  position: relative;
  padding-left: 23px;
  color: var(--text);
}
.case-content li:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 5px rgba(111, 195, 255, 0.08);
}
.case-versuscan .case-art {
  background:
    radial-gradient(
      circle at center,
      rgba(177, 75, 255, 0.22),
      transparent 58%
    ),
    linear-gradient(145deg, #101329, #201438);
}
.scan-visual {
  position: relative;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(199, 128, 255, 0.25);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow:
    inset 0 0 60px rgba(161, 77, 255, 0.11),
    0 0 70px rgba(102, 48, 210, 0.13);
}
.scan-visual:before,
.scan-visual:after {
  content: "";
  position: absolute;
  border: 1px solid rgba(199, 128, 255, 0.18);
  border-radius: 50%;
}
.scan-visual:before {
  inset: 44px;
}
.scan-visual:after {
  inset: 92px;
}
.scan-core {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 28px;
  background: linear-gradient(145deg, #5e2fd5, #9b4eff);
  color: white;
  font-weight: 900;
  font-size: 1.35rem;
  box-shadow: 0 20px 50px rgba(100, 48, 220, 0.42);
}
.scan-node {
  position: absolute;
  z-index: 3;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(7, 9, 22, 0.76);
  color: #eadcff;
  font-size: 0.76rem;
  font-weight: 800;
  backdrop-filter: blur(10px);
}
.scan-camera {
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
}
.scan-wifi {
  left: -2px;
  bottom: 60px;
}
.scan-ble {
  right: 2px;
  bottom: 60px;
}
.scan-visual > i {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #bb71ff;
  box-shadow: 0 0 18px #ad5bff;
}
.scan-visual > i:nth-of-type(1) {
  top: 65px;
  right: 51px;
}
.scan-visual > i:nth-of-type(2) {
  bottom: 45px;
  left: 92px;
}
.scan-visual > i:nth-of-type(3) {
  top: 118px;
  left: 33px;
}
.case-snap .case-art {
  background:
    radial-gradient(
      circle at center,
      rgba(62, 136, 255, 0.25),
      transparent 58%
    ),
    linear-gradient(145deg, #0c1930, #0d2d59);
}
.action-orbit {
  position: relative;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(119, 180, 255, 0.28);
  border-radius: 50%;
  animation: orbitFloat 7s ease-in-out infinite;
}
.action-orbit:before {
  content: "ACTION";
  position: absolute;
  inset: 82px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #1b6eff, #63b8ff);
  color: white;
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  box-shadow: 0 25px 60px rgba(22, 103, 255, 0.38);
}
.action-orbit span {
  position: absolute;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  background: rgba(5, 16, 33, 0.8);
  font-size: 0.76rem;
  font-weight: 800;
  color: #dcecff;
}
.action-orbit span:nth-child(1) {
  left: 50%;
  top: -16px;
  transform: translateX(-50%);
}
.action-orbit span:nth-child(2) {
  right: -22px;
  top: 50%;
  transform: translateY(-50%);
}
.action-orbit span:nth-child(3) {
  left: 50%;
  bottom: -16px;
  transform: translateX(-50%);
}
.action-orbit span:nth-child(4) {
  left: -26px;
  top: 50%;
  transform: translateY(-50%);
}
@keyframes orbitFloat {
  50% {
    transform: translateY(-8px) rotate(2deg);
  }
}
.case-security .case-art {
  background:
    radial-gradient(
      circle at center,
      rgba(16, 238, 126, 0.18),
      transparent 58%
    ),
    linear-gradient(145deg, #06130f, #06251b);
}
.terminal-architecture {
  position: relative;
  width: min(78%, 330px);
  padding: 34px;
  border: 1px solid rgba(57, 244, 146, 0.28);
  border-radius: 28px;
  background: rgba(2, 13, 10, 0.72);
  box-shadow:
    0 25px 65px rgba(0, 0, 0, 0.35),
    inset 0 0 35px rgba(0, 255, 124, 0.05);
  display: grid;
  gap: 16px;
}
.terminal-architecture:before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, #25f48e, transparent);
}
.terminal-architecture span {
  color: #20ef87;
  font:
    900 3.8rem/1 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
}
.terminal-architecture strong {
  font:
    800 1.25rem/1.2 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  color: white;
}
.terminal-architecture small {
  color: #78d9aa;
  font:
    700 0.72rem/1.5 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  letter-spacing: 0.12em;
}

.principles-section {
  background:
    radial-gradient(
      circle at 12% 20%,
      rgba(78, 132, 255, 0.1),
      transparent 30%
    ),
    var(--bg);
}
.principles-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 48px;
}
.principles-heading h2 {
  font-size: clamp(2.7rem, 5vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  margin: 0;
}
.principles-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.principle-card {
  position: relative;
  min-height: 350px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  overflow: hidden;
  transition: 0.28s ease;
}
.principle-card:after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  right: -100px;
  bottom: -120px;
  background: radial-gradient(
    circle,
    var(--card-glow, rgba(78, 132, 255, 0.18)),
    transparent 68%
  );
}
.principle-card:hover {
  transform: translateY(-6px);
  border-color: rgba(111, 195, 255, 0.36);
  box-shadow: var(--shadow);
}
.principle-number {
  position: absolute;
  top: 30px;
  right: 30px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}
.principle-mark {
  position: relative;
  width: 72px;
  height: 72px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.035);
  margin-bottom: 62px;
}
.principle-mark:before,
.principle-mark:after,
.principle-mark i {
  content: "";
  position: absolute;
  display: block;
}
.principle-privacy {
  --card-glow: rgba(82, 132, 255, 0.27);
}
.principle-purpose {
  --card-glow: rgba(125, 93, 255, 0.25);
}
.principle-security {
  --card-glow: rgba(45, 218, 153, 0.22);
}
.principle-quality {
  --card-glow: rgba(111, 195, 255, 0.24);
}
.principle-privacy .principle-mark:before {
  left: 21px;
  top: 18px;
  width: 28px;
  height: 34px;
  border: 3px solid #69a3ff;
  border-radius: 15px 15px 18px 18px;
}
.principle-privacy .principle-mark:after {
  left: 32px;
  top: 30px;
  width: 7px;
  height: 13px;
  border: 3px solid #69a3ff;
  border-top: 0;
  border-radius: 0 0 7px 7px;
}
.principle-purpose .principle-mark:before {
  inset: 18px;
  border: 3px solid #a783ff;
  border-radius: 50%;
}
.principle-purpose .principle-mark:after {
  left: 32px;
  top: 10px;
  width: 4px;
  height: 52px;
  background: #a783ff;
  border-radius: 999px;
  transform: rotate(45deg);
}
.principle-security .principle-mark:before {
  left: 20px;
  top: 14px;
  width: 30px;
  height: 38px;
  border: 3px solid #44dda1;
  clip-path: polygon(50% 0, 100% 16%, 91% 72%, 50% 100%, 9% 72%, 0 16%);
}
.principle-security .principle-mark:after {
  left: 29px;
  top: 30px;
  width: 13px;
  height: 7px;
  border-left: 3px solid #44dda1;
  border-bottom: 3px solid #44dda1;
  transform: rotate(-45deg);
}
.principle-quality .principle-mark:before {
  left: 19px;
  top: 20px;
  width: 34px;
  height: 24px;
  border-left: 4px solid #6fc3ff;
  border-bottom: 4px solid #6fc3ff;
  transform: rotate(-45deg);
}
.principle-card h3 {
  position: relative;
  z-index: 1;
  font-size: clamp(1.65rem, 2.4vw, 2.35rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 14px;
}
.principle-card p {
  position: relative;
  z-index: 1;
  color: var(--muted);
  margin: 0;
  max-width: 520px;
}
.principle-note {
  position: absolute;
  left: 32px;
  bottom: 28px;
  color: var(--accent-2);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
@media (max-width: 900px) {
  .projects-intro,
  .principles-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .case-panel {
    grid-template-columns: 1fr;
  }
  .case-art {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    min-height: 340px;
  }
  .principles-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .case-content {
    padding: 28px;
  }
  .case-meta {
    margin-bottom: 28px;
  }
  .case-art {
    min-height: 300px;
  }
  .scan-visual,
  .action-orbit {
    transform: scale(0.82);
  }
  .principle-card {
    min-height: 330px;
    padding: 26px;
  }
  .principle-number {
    top: 25px;
    right: 25px;
  }
  .principle-note {
    left: 26px;
    bottom: 24px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .action-orbit {
    animation: none;
  }
}

/* ==========================================================================
   PREMIUM INTERACTIONS AND DEVELOPER JOURNEY
   ==========================================================================

   Adds the primary App Store button, device light sweep, floating SnapTask
   cards, cursor-responsive card glow and the scroll-driven journey timeline.
   ========================================================================== */
.store-button-primary {
  background: linear-gradient(135deg, var(--accent), #2a66e9);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 14px 34px rgba(78, 132, 255, 0.22);
}
.store-button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(78, 132, 255, 0.34);
}
.hero-showcase {
  perspective: 1400px;
}
.showcase-carousel {
  transform-style: preserve-3d;
  will-change: transform;
  transition:
    transform 0.22s ease-out,
    box-shadow 0.3s ease;
}
.showcase-carousel:after {
  content: "";
  position: absolute;
  inset: -45%;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 38%,
    rgba(255, 255, 255, 0.12) 48%,
    transparent 58%
  );
  transform: translateX(-55%) rotate(8deg);
  animation: deviceShine 8s ease-in-out infinite;
}
@keyframes deviceShine {
  0%,
  62%,
  100% {
    transform: translateX(-58%) rotate(8deg);
    opacity: 0;
  }
  72% {
    opacity: 0.8;
  }
  88% {
    transform: translateX(58%) rotate(8deg);
    opacity: 0;
  }
}
.hero-action-feed {
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
}

.action-feed-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  max-width: 210px;
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 15px;
  background: rgba(6, 17, 31, 0.84);
  color: #fff;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  animation: feedFloat 5s ease-in-out infinite;
}

.action-feed-card small,
.action-feed-card strong {
  display: block;
}

.action-feed-card small {
  color: #9fb0c7;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.action-feed-card strong {
  margin-top: 2px;
  font-size: 0.76rem;
  line-height: 1.35;
}

.feed-icon {
  display: grid;
  place-items: center;
  flex: 0 0 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  font-weight: 900;
}

/*
 * Keep the cards away from the carousel arrows, which sit vertically
 * in the middle of the showcase. The third card is placed above the
 * carousel caption so it does not cover the application information.
 */
.action-feed-one {
  top: 22px;
  left: 22px;
}

.action-feed-two {
  top: 22px;
  right: 22px;
  animation-delay: -1.6s;
}

.action-feed-three {
  right: 22px;
  bottom: 132px;
  animation-delay: -3.1s;
}

@keyframes feedFloat {
  50% {
    transform: translateY(-7px);
  }
}
.journey-section {
  background: linear-gradient(180deg, var(--bg), var(--surface));
  overflow: hidden;
}
.journey-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 70px;
}
.journey-heading h2 {
  font-size: clamp(2.8rem, 5.4vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  margin: 0;
}
.journey-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.journey-layout {
  position: relative;
  display: grid;
  grid-template-columns: 4px minmax(0, 1fr);
  gap: 38px;
  max-width: 1020px;
  margin-inline: auto;
}
.journey-progress {
  position: relative;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.journey-progress span {
  position: absolute;
  inset: 0 0 auto;
  height: 0;
  background: linear-gradient(180deg, var(--accent-2), var(--accent-3));
  border-radius: inherit;
  box-shadow: 0 0 28px rgba(111, 195, 255, 0.45);
}
.journey-list {
  display: grid;
  gap: 18px;
}
.journey-step {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 34px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  transition: 0.35s ease;
  opacity: 0.62;
}
.journey-step:before {
  content: "";
  position: absolute;
  left: -48px;
  top: 44px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--muted);
  transition: 0.3s;
}
.journey-step.is-active {
  opacity: 1;
  transform: translateX(8px);
  border-color: rgba(111, 195, 255, 0.36);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}
.journey-step.is-active:before {
  border-color: var(--accent-2);
  background: var(--accent);
  box-shadow:
    0 0 0 8px rgba(78, 132, 255, 0.12),
    0 0 24px rgba(78, 132, 255, 0.45);
}
.journey-step time {
  font-size: clamp(1.3rem, 2vw, 2rem);
  font-weight: 900;
  color: var(--accent-2);
  letter-spacing: -0.03em;
}
.journey-step div > span {
  font-size: 0.72rem;
  color: var(--accent-2);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.13em;
}
.journey-step h3 {
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin: 8px 0 10px;
}
.journey-step p {
  margin: 0;
  color: var(--muted);
}
.product-card,
.case-panel,
.principle-card,
.capability-card,
.app-gallery {
  --mx: 50%;
  --my: 50%;
}
.product-card:before,
.case-panel:before,
.principle-card:before,
.capability-card:before,
.app-gallery:before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    420px circle at var(--mx) var(--my),
    rgba(111, 195, 255, 0.11),
    transparent 45%
  );
  transition: opacity 0.25s;
}
.product-card:hover:before,
.case-panel:hover:before,
.principle-card:hover:before,
.capability-card:hover:before,
.app-gallery:hover:before {
  opacity: 1;
}
.capability-card,
.app-gallery {
  position: relative;
  overflow: hidden;
}
@media (max-width: 1100px) {
  .action-feed-one {
    left: 4px;
  }
  .action-feed-two {
    right: 4px;
  }
  .action-feed-three {
    left: 12px;
  }
}
@media (max-width: 900px) {
  .journey-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hero-action-feed {
    display: none;
  }
  .showcase-carousel {
    transform: none !important;
  }
}
@media (max-width: 650px) {
  .journey-layout {
    grid-template-columns: 3px 1fr;
    gap: 22px;
  }
  .journey-step {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 24px;
  }
  .journey-step:before {
    left: -33px;
    top: 35px;
  }
  .journey-step.is-active {
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .showcase-carousel:after,
  .action-feed-card {
    animation: none;
  }
  .showcase-carousel {
    transform: none !important;
  }
  .journey-step {
    opacity: 1;
  }
  .journey-progress span {
    height: 100% !important;
  }
}

/* ==========================================================================
   PROFESSIONAL PROFILE BUTTON
   ==========================================================================

   A compact desktop-only variation used by the LinkedIn call-to-action in the
   main navigation. It stays on one line and preserves visual balance.
   ========================================================================== */
@media (min-width: 1021px) {
  .site-header .profile-button {
    padding: 8px 14px;
    min-height: 38px;
    font-size: 0.78rem;
    line-height: 1.15;
    white-space: nowrap;
  }
}