:root { font-family: Arial, Helvetica, sans-serif; color-scheme: dark; scroll-behavior: smooth; }
* { box-sizing: border-box; }
body { margin: 0; background: #191e2a; color: #f6f7fa; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #5ce0cf; outline-offset: 4px; }
.shell { width: 100%; padding: 22px max(18px, 5vw) 0; background: #191e2a; }
.header { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.logo { font-size: 36px; font-weight: 700; letter-spacing: -2px; }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
nav a { color: #c4cad5; font-size: 12px; }
nav a:hover, .profile a:hover, .contact-details a:hover { color: #5ce0cf; }
.hero { min-height: 405px; padding: 60px 18px 52px; }
.eyebrow, .section-label { color: #5ce0cf; font-size: 15px; font-weight: 700; letter-spacing: .04em; }
.eyebrow { margin: 0 0 22px; }
.hero h1 { margin: 0 0 14px; font-size: clamp(42px, 5vw, 58px); line-height: 1.15; }
.hero h1 span { color: #5ce0cf; }
.hero h2 { margin: 0; color: #c7ccd7; font-size: clamp(26px, 3.6vw, 36px); font-weight: 400; }
.hero-copy { max-width: 760px; margin: 18px 0 20px; color: #aeb7c8; font-size: 18px; line-height: 1.6; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 19px; border-radius: 15px; font-size: 16px; }
.primary { background: #5ce0cf; color: #12222a; font-weight: 700; }
.primary:hover { background: #7be9db; }
.secondary { border: 1px solid #596477; }
.secondary:hover { background: #283142; }
.quick-links { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; padding: 30px 0 18px; border-top: 2px solid #404856; }
.quick-links a { display: grid; min-height: 61px; place-items: center; padding: 8px; border-radius: 15px; background: #293242; font-size: 17px; font-weight: 700; text-align: center; }
.quick-links a:hover { background: #344057; }
.section { padding: 70px 18px; border-top: 1px solid #364050; scroll-margin-top: 20px; }
.section-label { margin: 0 0 12px; font-size: 12px; }
.section h2 { margin: 0 0 20px; font-size: clamp(28px,3vw,38px); }
.section p { color: #b8c2d0; line-height: 1.7; }
.section-intro { max-width: 760px; margin: 0 0 25px; }
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 45px; }
.about-grid > div > p:last-child { max-width: 600px; }
.profile { margin: 0; padding: 14px 24px; border-radius: 16px; background: #252e3e; }
.profile div { display: grid; grid-template-columns: 100px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid #3a4556; }
.profile div:last-child { border: 0; }
.profile dt { color: #9eabbc; }
.profile dd { margin: 0; overflow-wrap: anywhere; }
.step-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.skill-grid, .certificate-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.panel { padding: 25px; border: 1px solid #384456; border-radius: 16px; background: #252e3e; }
.number { color: #5ce0cf; font-size: 13px; font-weight: 700; }
.panel h3 { margin: 15px 0 8px; font-size: 19px; }
.panel p { margin: 0; font-size: 15px; }
.panel .subtitle { margin-bottom: 12px; color: #5ce0cf; }
.certificate { display: flex; align-items: center; gap: 18px; }
.cert-icon { color: #5ce0cf; font-size: 28px; }
.certificate h3 { margin: 0 0 6px; }
.contact { text-align: center; }
.contact > p:not(.section-label) { max-width: 650px; margin: 0 auto 24px; }
.contact-details { margin-top: 20px !important; font-size: 14px; overflow-wrap: anywhere; }
footer { padding: 25px 18px; border-top: 1px solid #364050; color: #9eabbc; text-align: center; font-size: 13px; }
@media (max-width: 760px) {
  body { padding: 0; }
  .shell { padding: 18px 16px 0; border-radius: 0; }
  .header { align-items: flex-start; }
  .logo { font-size: 30px; }
  nav { gap: 8px 12px; max-width: 280px; padding-top: 7px; }
  nav a { font-size: 11px; }
  .hero { min-height: 400px; padding: 70px 4px 45px; }
  .eyebrow { font-size: 13px; }
  .hero-copy { font-size: 16px; }
  .quick-links { gap: 8px; padding-top: 20px; }
  .quick-links a { min-height: 65px; font-size: 13px; }
  .section { padding: 50px 4px; }
  .about-grid, .step-grid, .skill-grid, .certificate-grid { grid-template-columns: 1fr; }
  .about-grid { gap: 20px; }
}
@media (max-width: 380px) {
  .header { flex-direction: column; gap: 8px; }
  nav { justify-content: flex-start; max-width: none; }
  .hero { padding-top: 55px; }
  .profile div { grid-template-columns: 85px 1fr; }
}