:root {
  --bg: #050505;
  --bg-secondary: #0b0b0b;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-strong: rgba(255, 255, 255, 0.045);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f5f5f5;
  --muted: #a1a1aa;
  --accent: #d4d4d4;
  --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.34);
  --shadow-elevated: 0 28px 60px rgba(0, 0, 0, 0.44);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --max-width: 1160px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(72rem 58rem at 50% -20%, rgba(255, 255, 255, 0.05), transparent 70%),
    radial-gradient(46rem 34rem at 90% 10%, rgba(255, 255, 255, 0.03), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
  color: var(--text);
  font-family: "Geist", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: rgba(212, 212, 212, 0.24);
  color: var(--text);
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 30;
  transform: translateY(-160%);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(12, 12, 12, 0.96);
  color: var(--text);
  padding: 0.7rem 1rem;
  transition: transform 220ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.observatory-shell {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

#neural-constellation {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.orbital-vignette {
  position: absolute;
  inset: -10%;
  opacity: 0;
  background:
    radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 40%), rgba(255, 255, 255, 0.07), transparent 24rem),
    radial-gradient(circle at 50% 50%, transparent 8%, rgba(0, 0, 0, 0.45) 68%, rgba(0, 0, 0, 0.82) 100%);
}

.cursor-glow {
  position: fixed;
  left: var(--cursor-x, 50vw);
  top: var(--cursor-y, 50vh);
  width: 22rem;
  height: 22rem;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
  filter: blur(34px);
  opacity: 0.22;
  transition: opacity 280ms ease;
}

.grain-layer {
  position: absolute;
  inset: 0;
  opacity: 0.13;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.78' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

.site-header {
  position: fixed;
  left: 50%;
  top: 1rem;
  z-index: 20;
  display: flex;
  width: min(calc(100% - 2rem), var(--max-width));
  transform: translateX(-50%);
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(8, 8, 8, 0.85);
  padding: 0.5rem 0.55rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.brand-mark {
  display: inline-flex;
  width: 2.45rem;
  height: 2.45rem;
  align-items: center;
  justify-content: center;
  color: rgba(245, 245, 245, 0.92);
  transition: color 220ms ease, transform 220ms ease;
}

.brand-mark__svg {
  width: 1.85rem;
  height: 1.85rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-mark__svg path:last-child {
  opacity: 0.62;
}

.brand-mark:is(:hover, :focus-visible) {
  color: var(--text);
  transform: translateY(-1px);
  outline: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-links a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.68rem 0.86rem;
  transition: color 180ms ease, background-color 180ms ease;
}

.nav-links a:is(:hover, :focus-visible) {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  outline: none;
}

.section {
  position: relative;
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
  padding: clamp(6.5rem, 14vw, 10.5rem) 0;
}

.hero {
  display: grid;
  min-height: 100svh;
  place-items: center;
  align-content: center;
  text-align: center;
}

.hero__halo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(62rem, 96vw);
  height: min(62rem, 96vw);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02) 42%, transparent 72%);
  filter: blur(18px);
  opacity: 0;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__title,
.hero__tagline,
.scroll-cue {
  opacity: 0;
}

.hero__title,
h2,
h3 {
  font-family: "Geist", Inter, sans-serif;
  line-height: 1;
}

.hero__title {
  margin: 0;
  color: var(--accent);
  font-size: clamp(0.72rem, 1.02vw, 0.92rem);
  font-weight: 500;
  letter-spacing: 0.36em;
  text-transform: uppercase;
}

.hero__tagline {
  max-width: 13.5ch;
  margin: 1.65rem auto 0;
  color: var(--text);
  font-size: clamp(2.05rem, 7vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: clamp(1.8rem, 4vw, 3.2rem);
  display: inline-flex;
  transform: translateX(-50%);
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-cue i {
  display: block;
  width: 1px;
  height: 2.8rem;
  background: linear-gradient(180deg, rgba(245, 245, 245, 0.55), transparent);
  transform-origin: top;
}

.section-heading {
  max-width: 720px;
  margin-bottom: clamp(2.4rem, 6vw, 4.2rem);
}

.section-heading h2,
.about-panel h2 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 4.7rem);
  font-weight: 600;
  letter-spacing: -0.055em;
}

.section-heading p:not(.eyebrow),
.about-panel p:not(.eyebrow) {
  max-width: 620px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.exploration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.glass-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  transform: translateZ(0);
}

.glass-card::before {
  position: absolute;
  content: "";
  inset: 0;
  background: radial-gradient(circle at var(--card-x, 50%) var(--card-y, 8%), rgba(255, 255, 255, 0.09), transparent 58%);
  opacity: 0;
  transition: opacity 300ms ease;
}

.glass-card::after {
  position: absolute;
  content: "";
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.02);
  pointer-events: none;
}

.platform-card {
  min-height: 210px;
  display: flex;
  border-radius: var(--radius-md);
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.35rem;
  transition: border-color 220ms ease, transform 220ms ease, box-shadow 220ms ease, background-color 220ms ease, filter 220ms ease;
}

.platform-icon {
  position: absolute;
  top: 1.05rem;
  right: 1.05rem;
  z-index: 0;
  color: var(--text);
  font-size: clamp(2.2rem, 4vw, 2.85rem);
  opacity: 0.14;
  transition: opacity 240ms ease, transform 240ms ease;
}

.platform-card h3,
.exploration-card h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--text);
  font-size: clamp(1.34rem, 2.1vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.platform-card p,
.exploration-card p {
  position: relative;
  z-index: 1;
  margin: 0.45rem 0 0;
  color: var(--muted);
}

.card-arrow {
  position: absolute;
  top: 1.05rem;
  right: 1.2rem;
  z-index: 1;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.82;
  transition: transform 220ms ease, opacity 220ms ease;
}

.platform-card:is(:hover, :focus-visible),
.exploration-card:is(:hover, :focus-visible) {
  border-color: var(--border-strong);
  background-color: var(--surface-strong);
  box-shadow: var(--shadow-elevated);
  transform: translateY(-3px);
  outline: none;
}

.platform-card:is(:hover, :focus-visible)::before,
.exploration-card:is(:hover, :focus-visible)::before {
  opacity: 0.65;
}

.platform-card:is(:hover, :focus-visible) .card-arrow {
  transform: translateX(4px);
  opacity: 1;
}

.platform-card:is(:hover, :focus-visible) .platform-icon {
  opacity: 0.24;
  transform: translate(-2px, 2px);
}

.platform-card--instagram {
  background:
    radial-gradient(48rem 26rem at -16% 110%, rgba(255, 255, 255, 0.045), transparent 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--surface);
}

.platform-card--pinterest {
  background:
    radial-gradient(42rem 22rem at 104% -24%, rgba(255, 255, 255, 0.038), transparent 74%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--surface);
}

.platform-card--github {
  background:
    radial-gradient(40rem 24rem at 80% 120%, rgba(255, 255, 255, 0.034), transparent 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--surface);
}

.platform-card--youtube {
  background:
    radial-gradient(44rem 30rem at -10% -20%, rgba(255, 255, 255, 0.04), transparent 76%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--surface);
}

.platform-card--linkedin {
  background:
    radial-gradient(45rem 28rem at 50% -28%, rgba(255, 255, 255, 0.036), transparent 74%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--surface);
}

.platform-card--x {
  background:
    radial-gradient(40rem 28rem at 120% 100%, rgba(255, 255, 255, 0.042), transparent 74%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--surface);
}

.exploration-card {
  min-height: 164px;
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  transition: border-color 220ms ease, transform 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 1rem;
}

.project-card h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
}

.project-card p {
  margin-top: 0.34rem;
  font-size: 0.94rem;
  line-height: 1.35;
}

.project-thumb {
  display: grid;
  width: 2.45rem;
  height: 2.45rem;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.68rem;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02));
  color: rgba(245, 245, 245, 0.78);
  margin-bottom: 1.25rem;
}

.project-icon {
  width: 1.35rem;
  height: 1.35rem;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.about {
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.about-panel {
  max-width: 740px;
  margin-inline: auto;
  border-radius: var(--radius-xl);
  padding: clamp(1.4rem, 4vw, 2.5rem);
  text-align: center;
}

.about-panel h2 {
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.06;
}

.contact {
  padding-top: 0;
  padding-bottom: clamp(4rem, 9vw, 6rem);
}

.contact-panel {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 0.35rem;
}

.contact-panel a {
  color: var(--text);
  font-size: clamp(1.02rem, 1.8vw, 1.25rem);
  letter-spacing: 0.02em;
  transition: color 180ms ease, opacity 180ms ease;
}

.contact-panel a:is(:hover, :focus-visible) {
  color: var(--accent);
  opacity: 0.94;
  outline: none;
}

.site-footer {
  display: block;
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1.9rem 0 2.5rem;
  border-top: 1px solid var(--border);
  color: rgba(161, 161, 170, 0.82);
  font-size: 0.88rem;
  text-align: center;
}

.reveal-block,
.platform-card,
.exploration-card {
  will-change: transform, opacity;
}

@media (max-width: 980px) {
  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .exploration-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    top: 0.65rem;
    width: min(calc(100% - 1rem), var(--max-width));
  }

  .brand-mark {
    width: 2.2rem;
    height: 2.2rem;
  }

  .brand-mark__svg {
    width: 1.62rem;
    height: 1.62rem;
    stroke-width: 3;
  }

  .nav-links a {
    font-size: 0.62rem;
    letter-spacing: 0.04em;
    padding: 0.58rem 0.38rem;
  }

  .nav-links {
    gap: 0.1rem;
  }

  .section {
    width: min(calc(100% - 1.1rem), var(--max-width));
    padding: clamp(5rem, 15vw, 7rem) 0;
  }

  .platform-grid,
  .exploration-grid {
    gap: 0.78rem;
  }

  .platform-grid,
  .exploration-grid {
    grid-template-columns: 1fr;
  }

  .platform-card,
  .exploration-card {
    min-height: 146px;
  }

  .hero__tagline {
    max-width: 12ch;
    font-size: clamp(1.85rem, 11vw, 3.3rem);
  }
}

@media (pointer: coarse) {
  .cursor-glow {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .cursor-glow {
    display: none;
  }
}