:root {
  --bg-900: #05070d;
  --bg-800: #0a1322;
  --card: rgba(12, 20, 34, 0.7);
  --line: rgba(122, 172, 255, 0.24);
  --text-100: #e9f0ff;
  --text-300: #b6c5e4;
  --accent-400: #5ca0ff;
  --accent-500: #3a80e6;
  --accent-600: #2662bf;
  --radius-lg: 20px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px rgba(2, 8, 20, 0.55);
  --parallax-x: 0px;
  --parallax-y: 0px;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  background: linear-gradient(140deg, var(--bg-900), #061021 55%, #03060d);
  color: var(--text-100);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
  isolation: isolate;
}

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

.background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  transform: translate3d(var(--parallax-x), var(--parallax-y), 0);
  transition: transform 220ms ease-out;
  will-change: transform;
}

.gradient {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 20% 15%, rgba(80, 150, 255, 0.24), transparent 42%),
    radial-gradient(circle at 78% 82%, rgba(25, 99, 214, 0.2), transparent 48%);
  filter: blur(18px);
  animation: drift 20s ease-in-out infinite alternate;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.6;
  z-index: 0;
}

.orb-a {
  width: 360px;
  height: 360px;
  top: -80px;
  right: -90px;
  background: radial-gradient(circle, rgba(100, 170, 255, 0.3), transparent 64%);
  animation: float-a 13s ease-in-out infinite;
}

.orb-b {
  width: 300px;
  height: 300px;
  bottom: -90px;
  left: -80px;
  background: radial-gradient(circle, rgba(42, 110, 210, 0.28), transparent 64%);
  animation: float-b 16s ease-in-out infinite;
}

.orb-c {
  width: 220px;
  height: 220px;
  top: 45%;
  left: 58%;
  background: radial-gradient(circle, rgba(58, 128, 230, 0.2), transparent 70%);
  animation: float-c 19s ease-in-out infinite;
}

.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(114, 156, 231, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(114, 156, 231, 0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at 50% 35%, black 35%, transparent 78%);
  z-index: 0;
}

.terminal-overlay {
  position: relative;
  margin-top: 0;
  width: min(560px, 100%);
  border-radius: 14px;
  border: 1px solid rgba(115, 169, 255, 0.25);
  background: linear-gradient(155deg, rgba(8, 14, 24, 0.78), rgba(7, 13, 24, 0.58));
  box-shadow:
    0 18px 50px rgba(2, 7, 18, 0.62),
    inset 0 1px 0 rgba(160, 194, 255, 0.08);
  opacity: 0.82;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: terminal-float 18s ease-in-out infinite alternate;
  z-index: 1;
  overflow: hidden;
}

.terminal-section {
  width: 100%;
}

.terminal-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 44%,
    rgba(166, 206, 255, 0.12) 50%,
    transparent 56%,
    transparent 100%
  );
  transform: translateY(-115%);
  animation: terminal-scan 6.8s linear infinite;
}

.terminal-topbar {
  display: flex;
  align-items: center;
  gap: 0.38rem;
  height: 1.9rem;
  padding: 0 0.8rem;
  border-bottom: 1px solid rgba(108, 159, 245, 0.2);
  background: rgba(14, 23, 40, 0.85);
}

.terminal-dot {
  width: 0.56rem;
  height: 0.56rem;
  border-radius: 50%;
}

.terminal-dot-red {
  background: #ff5f57;
}

.terminal-dot-yellow {
  background: #febc2e;
}

.terminal-dot-green {
  background: #28c840;
}

.terminal-body {
  padding: 0.9rem 0.95rem 1rem;
}

.terminal-line {
  margin: 0;
  font-size: 0.88rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    monospace;
  color: #e4eeff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-prompt {
  color: #9ec1ff;
}

#terminal-typed-text {
  color: #d5e5ff;
}

.terminal-cursor {
  display: inline-block;
  color: #b9d4ff;
  animation: blink-caret 1s step-end infinite;
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
  display: grid;
  gap: 1rem;
  position: relative;
  z-index: 3;
}

.section-card {
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  background: linear-gradient(160deg, var(--card), rgba(7, 13, 24, 0.72));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.2rem;
  transition:
    opacity 420ms ease,
    transform 540ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.js-enabled .section-card.is-reveal {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
}

.js-enabled .section-card.is-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition-delay: var(--reveal-delay, 0ms);
}

.eyebrow {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-300);
}

.hero-title {
  margin: 0.4rem 0;
  font-family: "Sora", "Manrope", sans-serif;
  font-size: clamp(1.7rem, 7.6vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.hero-title span {
  display: block;
}

.hero-title span:last-child {
  color: #c8d8f3;
}

.hero-subtitle {
  margin: 0.7rem 0 0;
  color: var(--text-300);
  max-width: 38ch;
}

h2 {
  margin: 0 0 0.65rem;
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
  color: var(--text-300);
}

.about p + p {
  margin-top: 0.62rem;
}

.skills-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.skills-list li {
  border: 1px solid rgba(125, 174, 255, 0.34);
  border-radius: var(--radius-sm);
  padding: 0.42rem 0.72rem;
  font-size: 0.9rem;
  color: #d6e4ff;
  background: rgba(19, 39, 70, 0.5);
}

.cta p {
  margin-bottom: 0.9rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.62rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(121, 169, 247, 0.52);
  border-radius: 999px;
  color: var(--text-100);
  background: rgba(15, 30, 56, 0.66);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(167, 202, 255, 0.85);
  background: rgba(19, 39, 74, 0.8);
}

.btn.primary {
  border-color: rgba(128, 178, 255, 0.95);
  background: linear-gradient(160deg, var(--accent-500), var(--accent-600));
  box-shadow: 0 10px 26px rgba(42, 104, 194, 0.38);
}

.btn:focus-visible {
  outline: 3px solid #93bdff;
  outline-offset: 2px;
}

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.2rem 1rem 1.5rem;
  color: #9fb1d1;
  font-size: 0.85rem;
  position: relative;
  z-index: 3;
}

@media (min-width: 720px) {
  .layout {
    gap: 1.15rem;
    padding: 1.1rem 1.35rem 2.6rem;
  }

  .section-card {
    padding: 1.6rem;
  }

  .hero {
    padding-top: 1.8rem;
    padding-bottom: 1.8rem;
  }
}

@media (max-width: 760px) {
  .terminal-overlay {
    width: 100%;
    opacity: 0.72;
  }

  .terminal-line {
    font-size: 0.78rem;
  }
}

@media (max-width: 520px) {
  .terminal-overlay {
    opacity: 0.66;
  }
}

@media (min-width: 960px) {
  .layout {
    grid-template-columns: 1.3fr 1fr;
    grid-template-areas:
      "hero hero"
      "about expertise"
      "terminal expertise"
      "cta cta";
    align-items: start;
  }

  .hero {
    grid-area: hero;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .about {
    grid-area: about;
  }

  .terminal-section {
    grid-area: terminal;
    align-self: start;
  }

  .expertise {
    grid-area: expertise;
  }

  .cta {
    grid-area: cta;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --parallax-x: 0px;
    --parallax-y: 0px;
  }

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

  .background {
    transform: none;
  }

  .terminal-overlay {
    animation: none;
  }

  .terminal-cursor {
    animation: none;
  }
}

@keyframes float-a {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-18px, 20px, 0);
  }
}

@keyframes float-b {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(15px, -20px, 0);
  }
}

@keyframes float-c {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(12px, -14px, 0) scale(1.03);
  }
}

@keyframes drift {
  0% {
    transform: translate3d(-2%, -1%, 0) scale(1);
  }
  100% {
    transform: translate3d(1.5%, 1.5%, 0) scale(1.04);
  }
}

@keyframes terminal-float {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(0, 12px, 0);
  }
}

@keyframes blink-caret {
  0%,
  50% {
    opacity: 1;
  }
  50.01%,
  100% {
    opacity: 0;
  }
}

@keyframes terminal-scan {
  0% {
    transform: translateY(-115%);
  }
  100% {
    transform: translateY(115%);
  }
}