:root {
  --bg: #07080c;
  --bg-elevated: #10131a;
  --bg-panel: rgba(18, 22, 32, 0.72);
  --border: rgba(155, 92, 255, 0.18);
  --border-strong: rgba(155, 92, 255, 0.42);
  --accent: #9b5cff;
  --accent-bright: #c4a1ff;
  --accent-dim: #6b3fbf;
  --accent-glow: rgba(155, 92, 255, 0.28);
  --text: #f2f4f8;
  --text-secondary: #a8b0c0;
  --text-muted: #6f788a;
  --font-display: "Syne", sans-serif;
  --font-body: "Outfit", sans-serif;
  --max: 72rem;
  --header-h: 4.25rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* —— Atmosphere —— */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(107, 63, 191, 0.22), transparent 55%),
    linear-gradient(180deg, #0a0b10 0%, #07080c 45%, #05060a 100%);
}

.atmosphere__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: drift 18s var(--ease-out) infinite alternate;
}

.atmosphere__glow--a {
  top: -8%;
  left: 15%;
  width: 42vw;
  height: 42vw;
  max-width: 520px;
  max-height: 520px;
  background: radial-gradient(circle, rgba(155, 92, 255, 0.45), transparent 70%);
}

.atmosphere__glow--b {
  right: -5%;
  bottom: 10%;
  width: 38vw;
  height: 38vw;
  max-width: 460px;
  max-height: 460px;
  background: radial-gradient(circle, rgba(80, 40, 180, 0.4), transparent 70%);
  animation-delay: -6s;
  animation-duration: 22s;
}

.atmosphere__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(155, 92, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 92, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
  opacity: 0.45;
}

.atmosphere__noise {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(3%, 4%, 0) scale(1.08);
  }
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--header-h);
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(7, 8, 12, 0.72);
  border-bottom: 1px solid rgba(45, 53, 72, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.brand-mark img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.site-nav a {
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent-bright);
}

/* —— Hero —— */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100svh - var(--header-h));
  padding: clamp(2.5rem, 8vh, 5rem) clamp(1.25rem, 4vw, 2.5rem) 4rem;
}

.hero__logo {
  width: min(420px, 82vw);
  margin-bottom: 2rem;
  filter: drop-shadow(0 0 40px var(--accent-glow));
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  animation: rise-in 0.9s var(--ease-out) 0.1s forwards;
}

.hero__title {
  margin: 0 0 0.85rem;
  max-width: 14ch;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.85s var(--ease-out) 0.28s forwards;
}

.hero__lede {
  margin: 0 0 2rem;
  max-width: 34rem;
  color: var(--text-secondary);
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  font-weight: 300;
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.85s var(--ease-out) 0.42s forwards;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.85s var(--ease-out) 0.55s forwards;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-1px);
}

.btn--ghost {
  border-color: var(--border-strong);
  background: rgba(155, 92, 255, 0.06);
  color: var(--text);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--accent);
  background: rgba(155, 92, 255, 0.12);
}

/* —— Projects —— */
.projects {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem) 6rem;
}

.section-head {
  margin-bottom: 2.25rem;
  max-width: 36rem;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.project-list {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 760px) {
  .project-list {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

.project {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  min-height: 100%;
  padding: 1.6rem 1.5rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background:
    linear-gradient(160deg, rgba(155, 92, 255, 0.08), transparent 42%),
    var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.25s var(--ease-out);
  opacity: 0;
  transform: translateY(24px);
}

.project.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out),
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.project:nth-child(2).is-visible {
  transition-delay: 0.1s;
}

.project:hover,
.project:focus-within {
  border-color: var(--border-strong);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), 0 0 40px rgba(155, 92, 255, 0.12);
  transform: translateY(-4px);
}

.project__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.project__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  background: #000;
  box-shadow: 0 0 24px var(--accent-glow);
}

.project__status {
  margin: 0;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(155, 92, 255, 0.28);
  color: var(--accent-bright);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project__title {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.project__summary {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.98rem;
  flex: 1;
}

.project__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.project__tag {
  padding: 0.28rem 0.65rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.project__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.35rem;
  color: var(--accent-bright);
  font-weight: 500;
  font-size: 0.95rem;
  transition: gap 0.2s ease;
}

.project__link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.project:hover .project__link::after,
.project:focus-within .project__link::after {
  transform: translateX(3px);
}

.project__link:focus-visible {
  outline: 2px solid #3d8bfd;
  outline-offset: 4px;
  border-radius: 4px;
}

/* —— Footer —— */
.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2.5rem 1.25rem 3rem;
  border-top: 1px solid rgba(45, 53, 72, 0.55);
  color: var(--text-muted);
  font-size: 0.88rem;
  text-align: center;
}

.site-footer__icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  margin-bottom: 0.35rem;
  opacity: 0.9;
}

.site-footer p {
  margin: 0;
}

.site-footer__host {
  color: var(--text-secondary);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .atmosphere__glow,
  .hero__logo,
  .hero__title,
  .hero__lede,
  .hero__actions,
  .project {
    animation: none !important;
    opacity: 1;
    transform: none;
    transition: none;
  }
}

:focus-visible {
  outline: 2px solid #3d8bfd;
  outline-offset: 3px;
}