:root {
  --bg: #050816;
  --bg-2: #0a1024;
  --panel: rgba(10, 16, 36, 0.72);
  --panel-strong: rgba(7, 13, 31, 0.88);
  --line: rgba(125, 162, 255, 0.22);
  --line-strong: rgba(104, 240, 255, 0.42);
  --text: #eef5ff;
  --muted: #93a9cb;
  --cyan: #35e7ff;
  --blue: #4d7cff;
  --violet: #9d6bff;
  --teal: #24f0d1;
  --glow: 0 0 30px rgba(53, 231, 255, 0.24);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.42);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(77, 124, 255, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(53, 231, 255, 0.16), transparent 28%),
    linear-gradient(180deg, #040611 0%, #070b19 35%, #050816 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url('../images/neural-grid.svg') center/cover no-repeat;
  opacity: 0.95;
  pointer-events: none;
  z-index: -3;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 34px 34px;
  mix-blend-mode: screen;
  opacity: 0.18;
  pointer-events: none;
  z-index: -2;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell {
  max-width: 1380px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  margin-bottom: 18px;
  background: rgba(8, 13, 28, 0.72);
  border: 1px solid rgba(119, 154, 244, 0.22);
  border-radius: 22px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background:
    radial-gradient(circle at 30% 30%, rgba(53,231,255,0.95), transparent 35%),
    radial-gradient(circle at 70% 65%, rgba(157,107,255,0.95), transparent 40%),
    linear-gradient(135deg, rgba(18, 26, 54, 0.98), rgba(8, 13, 28, 0.98));
  border: 1px solid rgba(132, 186, 255, 0.3);
  box-shadow: var(--glow);
  position: relative;
  overflow: hidden;
}
.brand-mark::before {
  content: "RD";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.16em;
  color: #fff;
}
.brand-copy { min-width: 0; }
.brand-kicker {
  display: block;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 3px;
}
.brand-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav a {
  padding: 10px 14px;
  border: 1px solid rgba(117, 156, 255, 0.18);
  border-radius: 999px;
  color: #d8e8ff;
  font-weight: 600;
  font-size: 13px;
  background: rgba(255,255,255,0.03);
}
.nav a:hover {
  text-decoration: none;
  border-color: rgba(53,231,255,0.48);
  box-shadow: 0 0 24px rgba(53,231,255,0.18);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(9, 16, 36, 0.88), rgba(5, 9, 22, 0.92)),
    linear-gradient(145deg, rgba(53,231,255,0.08), rgba(157,107,255,0.08));
  border: 1px solid rgba(123, 161, 255, 0.28);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.hero::before {
  content: "";
  position: absolute;
  right: -150px;
  top: -120px;
  width: 560px;
  height: 560px;
  background: url('../images/orbital-ring.svg') center/contain no-repeat;
  opacity: 0.75;
  animation: spin 36s linear infinite;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: -80px;
  right: -80px;
  bottom: -40px;
  height: 220px;
  background: url('../images/data-wave.svg') center bottom/cover no-repeat;
  opacity: 0.8;
  pointer-events: none;
}

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes float { 0%,100% { transform: translateY(0px); } 50% { transform: translateY(-10px);} }
@keyframes pulseGlow { 0%,100% { box-shadow: 0 0 0 rgba(53,231,255,0.0), var(--shadow);} 50% { box-shadow: 0 0 35px rgba(53,231,255,0.18), var(--shadow);} }

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 34px;
  align-items: center;
}

.hero-left {
  position: relative;
  display: grid;
  justify-items: center;
}

.portrait-frame {
  position: relative;
  width: min(100%, 320px);
  aspect-ratio: 1 / 1.15;
  border-radius: 30px;
  padding: 14px;
  background: linear-gradient(145deg, rgba(58,104,255,0.26), rgba(53,231,255,0.16));
  border: 1px solid rgba(126, 173, 255, 0.3);
  box-shadow: var(--glow), var(--shadow);
  animation: float 7s ease-in-out infinite;
}

.portrait-frame::before,
.portrait-frame::after {
  content: "";
  position: absolute;
  border-radius: 24px;
  border: 1px solid rgba(53,231,255,0.36);
  inset: 10px;
  pointer-events: none;
}
.portrait-frame::after {
  inset: -10px;
  border-style: dashed;
  border-color: rgba(157,107,255,0.32);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 22px;
  display: block;
  filter: saturate(1.08) contrast(1.05);
}

.scan-label {
  position: absolute;
  left: -14px;
  bottom: 26px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(7, 13, 31, 0.84);
  border: 1px solid rgba(53,231,255,0.38);
  box-shadow: var(--glow);
  backdrop-filter: blur(10px);
}
.scan-label strong { display: block; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cyan); }
.scan-label span { display: block; font-size: 12px; color: #dce8ff; }

.hero-copy { padding-right: 40px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(53,231,255,0.24);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: rgba(53,231,255,0.06);
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

h1 {
  margin: 18px 0 12px;
  font-size: clamp(52px, 8vw, 92px);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.holo-subtitle {
  max-width: 820px;
  font-size: 19px;
  color: #d9e8ff;
  margin-bottom: 20px;
}

.quote-card {
  max-width: 760px;
  padding: 16px 20px;
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(121, 155, 248, 0.22);
  color: #f2f7ff;
  font-size: 18px;
  font-style: italic;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
  max-width: 780px;
}
.meta-tile {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(121, 155, 248, 0.18);
  backdrop-filter: blur(10px);
}
.meta-tile small {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
}
.meta-tile span { display: block; font-size: 15px; font-weight: 700; color: #ffffff; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.stat-card,
.card,
.exp-card,
.achievement-card,
.info-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}
.stat-card {
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
  animation: pulseGlow 8s ease-in-out infinite;
}
.stat-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
}
.stat-card strong {
  display: block;
  font-size: 38px;
  line-height: 1;
  margin-bottom: 8px;
  color: #fff;
}
.stat-card span {
  display: block;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  margin-bottom: 24px;
}
.card { padding: 28px; }
.card h2,
.section-head h2 {
  margin: 0 0 18px;
  font-size: 18px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.card p,
.exp-card p,
.info-card p,
.achievement-card p,
li { color: #deebff; }
.muted { color: var(--muted); }

.summary {
  font-size: 18px;
  line-height: 1.7;
}

.chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.chip {
  padding: 11px 15px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(123,161,255,0.18);
  color: #f3f7ff;
  font-size: 14px;
  font-weight: 700;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin: 30px 0 18px;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}

.exp-list { display: grid; gap: 18px; }
.exp-card {
  padding: 24px 26px;
  position: relative;
  overflow: hidden;
}
.exp-card::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 16px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cyan), var(--blue), var(--violet));
}
.exp-card-inner { padding-left: 22px; }
.exp-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
  margin-bottom: 10px;
}
.exp-title { font-size: 27px; margin: 0; }
.exp-role { margin: 6px 0 10px; color: #f8fbff; font-weight: 700; }
.exp-meta {
  justify-self: end;
  padding: 10px 14px;
  border-radius: 16px;
  border: 1px solid rgba(53,231,255,0.24);
  color: var(--cyan);
  font-weight: 700;
  font-size: 13px;
  text-align: right;
  background: rgba(53,231,255,0.05);
}
.exp-card ul { margin: 14px 0 0 18px; padding: 0; }
.exp-card li { margin-bottom: 7px; }

.achievements-grid,
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 10px;
}
.achievement-card,
.info-card { padding: 24px; }
.achievement-card h3,
.info-card h3 {
  margin: 0 0 14px;
  font-size: 20px;
  color: #ffffff;
}
.achievement-card ul,
.info-card ul { margin: 0 0 0 18px; padding: 0; }
.achievement-card li,
.info-card li { margin-bottom: 8px; }

.hud-corners {
  position: relative;
}
.hud-corners::before,
.hud-corners::after {
  content: "";
  position: absolute;
  width: 42px;
  height: 42px;
  border-top: 2px solid rgba(53,231,255,0.45);
  border-left: 2px solid rgba(53,231,255,0.45);
  top: 14px;
  left: 14px;
  pointer-events: none;
}
.hud-corners::after {
  top: auto;
  left: auto;
  right: 14px;
  bottom: 14px;
  border-top: none;
  border-left: none;
  border-right: 2px solid rgba(157,107,255,0.48);
  border-bottom: 2px solid rgba(157,107,255,0.48);
}

.utility-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(53,231,255,0.28);
  background: linear-gradient(135deg, rgba(53,231,255,0.12), rgba(77,124,255,0.10));
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
}
.cta-btn.secondary {
  border-color: rgba(157,107,255,0.28);
  background: linear-gradient(135deg, rgba(157,107,255,0.12), rgba(77,124,255,0.08));
}
.cta-btn:hover { text-decoration: none; box-shadow: 0 0 30px rgba(53,231,255,0.18); }

@media (max-width: 1180px) {
  .hero-grid,
  .panel-grid,
  .achievements-grid,
  .info-grid { grid-template-columns: 1fr; }
  .hero-copy { padding-right: 0; }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .topbar { position: static; }
  .hero { padding: 24px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-left { justify-items: start; }
  .scan-label { left: 8px; bottom: 10px; }
  .hero-meta { grid-template-columns: 1fr; }
  .exp-top { grid-template-columns: 1fr; }
  .exp-meta { justify-self: start; text-align: left; }
}

@media (max-width: 640px) {
  .shell { padding: 12px; }
  .topbar, .hero, .card, .exp-card, .achievement-card, .info-card, .stat-card { border-radius: 22px; }
  .nav { display: none; }
  h1 { font-size: 50px; }
  .stat-row, .achievements-grid, .info-grid { grid-template-columns: 1fr; }
  .brand-title { white-space: normal; }
}