/* ============================================================
   SYB ZONE — Show Your Build
   Handcrafted WIP landing page
   ============================================================ */

:root {
  --bg: #090909;
  --card: #111111;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #7b4dff;
  --accent-soft: rgba(123, 77, 255, 0.14);
  --text: #ffffff;
  --muted: #999999;

  --font-display: "Archivo", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --text-base: clamp(1rem, 0.92rem + 0.4vw, 1.125rem);
  --text-hero: clamp(3.4rem, 1rem + 9.5vw, 9.5rem);
  --space-section: clamp(4rem, 3rem + 5vw, 9rem);

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: #fff; }

/* ============ LOADER ============ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  transition: opacity 700ms var(--ease-out-expo), visibility 700ms;
}
.loader.is-done { opacity: 0; visibility: hidden; }

.loader-mark {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-weight: 900;
  font-stretch: 118%;
  font-size: 1.6rem;
  letter-spacing: 0.28em;
}
.loader-zone { color: var(--accent); }

.loader-track {
  width: min(220px, 50vw);
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}
.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), #b49aff);
  transition: width 120ms linear;
}
.loader-status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--muted);
}

/* ============ AMBIENT ============ */
.mouse-light {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(620px circle at var(--mx, 50%) var(--my, 40%), rgba(123, 77, 255, 0.07), transparent 62%),
    radial-gradient(320px circle at var(--mx, 50%) var(--my, 40%), rgba(255, 255, 255, 0.035), transparent 60%);
}

#particles {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.9;
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1.2rem, 4vw, 3.4rem);
  transition: background var(--duration-normal), backdrop-filter var(--duration-normal),
    border-color var(--duration-normal), padding var(--duration-normal);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  background: rgba(9, 9, 9, 0.72);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  backdrop-filter: blur(18px) saturate(1.3);
  border-bottom-color: var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--text);
}
.nav-logo-mark {
  width: 34px;
  height: 34px;
  display: block;
}
.nav-logo-text {
  font-weight: 900;
  font-stretch: 116%;
  letter-spacing: 0.16em;
  font-size: 0.95rem;
}
.nav-logo-text em { font-style: normal; color: var(--accent); }

.nav-links { display: flex; gap: 0.4rem; }

.nav-link {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  transition: color var(--duration-fast), background var(--duration-fast);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.28rem;
  width: 0;
  height: 1px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width var(--duration-normal) var(--ease-out-expo);
}
.nav-link:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.nav-link:hover::after { width: 40%; }
.nav-link:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
  color: var(--text);
}
.nav-link.is-active { color: var(--text); }
.nav-link.is-active::after { width: 40%; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 11px;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--duration-normal) var(--ease-out-expo), opacity var(--duration-normal);
}
.nav.menu-open .nav-burger span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav.menu-open .nav-burger span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }

/* blueprint grid */
.bg-blueprint {
  position: absolute;
  inset: -4%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.014) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 100%);
}

/* technical frame sketch */
.bg-frame-sketch {
  position: absolute;
  top: 10%;
  right: -2%;
  width: clamp(280px, 30vw, 520px);
  opacity: 0.05;
}

/* smoke */
.bg-smoke {
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}
.smoke-a {
  bottom: -30%;
  left: -18%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05), transparent 65%);
  animation: smoke-drift 26s ease-in-out infinite alternate;
}
.smoke-b {
  bottom: -34%;
  right: -20%;
  background: radial-gradient(circle, rgba(123, 77, 255, 0.06), transparent 65%);
  animation: smoke-drift 32s ease-in-out infinite alternate-reverse;
}
@keyframes smoke-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(6vw, -4vh, 0) scale(1.15); }
}

/* LED wall strips */
.bg-led {
  position: absolute;
  top: 12%;
  bottom: 34%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--accent) 30%, var(--accent) 70%, transparent);
  box-shadow: 0 0 24px 2px rgba(123, 77, 255, 0.45);
  opacity: 0.5;
  animation: led-breathe 6s ease-in-out infinite;
}
.led-left { left: clamp(1rem, 5vw, 5rem); }
.led-right { right: clamp(1rem, 5vw, 5rem); animation-delay: -3s; }
@keyframes led-breathe {
  0%, 100% { opacity: 0.32; }
  50% { opacity: 0.62; }
}

/* glowing dots */
.bg-dot {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 1px rgba(123, 77, 255, 0.8);
  opacity: 0.35;
  animation: dot-pulse 5s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.55; }
}

/* garage scene */
.garage {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 46vh;
  min-height: 300px;
}
.garage-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}
.garage-floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 34%;
  background:
    linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.75)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 160px);
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 50% 30%, transparent 40%, rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(180deg, rgba(9, 9, 9, 0.5), transparent 26%, transparent 70%, var(--bg) 100%);
}

/* hero copy */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.4rem;
  margin-top: -6vh;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.34em;
  color: var(--muted);
  margin-bottom: clamp(1.2rem, 2.5vh, 2.2rem);
}
.kicker-line {
  width: clamp(20px, 5vw, 56px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25));
}
.kicker-line:last-child {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.25), transparent);
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 900;
  font-stretch: 122%;
  line-height: 0.92;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.hero-title span { display: block; }
.hero-title .accent {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.85);
  text-shadow: 0 0 60px rgba(123, 77, 255, 0.35);
}
.title-dot { font-style: normal; color: var(--accent); -webkit-text-stroke: 0; }

.hero-sub {
  margin: clamp(1.4rem, 3vh, 2.4rem) auto 0;
  max-width: 34rem;
  color: var(--muted);
  font-weight: 400;
  font-size: clamp(0.95rem, 0.9rem + 0.3vw, 1.1rem);
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 1.1rem;
  margin-top: clamp(1.6rem, 3.4vh, 2.8rem);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.55);
}
.hero-meta i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(123, 77, 255, 0.8);
}

/* scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}
.scroll-cue-track {
  display: block;
  width: 22px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  position: relative;
}
.scroll-cue-dot {
  position: absolute;
  top: 7px;
  left: 50%;
  width: 3px;
  height: 7px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--accent);
  animation: cue-drop 2.2s var(--ease-out-expo) infinite;
}
@keyframes cue-drop {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ============ MARQUEE ============ */
.marquee {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.05rem 0;
  overflow: hidden;
  background: rgba(17, 17, 17, 0.4);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-inner {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  width: max-content;
  animation: marquee-scroll 36s linear infinite;
}
.marquee-inner span {
  font-weight: 700;
  font-stretch: 112%;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}
.marquee-inner i {
  font-style: normal;
  font-size: 0.5rem;
  color: var(--accent);
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============ WIP CARD ============ */
.wip {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  padding: var(--space-section) clamp(1.2rem, 4vw, 3rem);
}

.wip-card {
  position: relative;
  width: min(760px, 100%);
  background:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.008) 0 2px, transparent 2px 5px),
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.008) 0 2px, transparent 2px 5px),
    rgba(17, 17, 17, 0.62);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  backdrop-filter: blur(22px) saturate(1.25);
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: clamp(2rem, 5vw, 3.6rem);
  box-shadow:
    0 50px 100px -30px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: transform 600ms var(--ease-out-expo), border-color var(--duration-normal);
  will-change: transform;
}
.wip-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
}
.wip-card:hover { border-color: rgba(123, 77, 255, 0.28); }

.wip-card-glow {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 77, 255, 0.12), transparent 70%);
  pointer-events: none;
}

.wip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.6rem, 4vw, 2.4rem);
}
.wip-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  color: #cbb8ff;
  background: var(--accent-soft);
  border: 1px solid rgba(123, 77, 255, 0.3);
  border-radius: 999px;
  padding: 0.5rem 1rem;
}
.wip-badge-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(123, 77, 255, 0.6);
  animation: badge-pulse 2.4s ease-out infinite;
}
@keyframes badge-pulse {
  0% { box-shadow: 0 0 0 0 rgba(123, 77, 255, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(123, 77, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(123, 77, 255, 0); }
}
.wip-code {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  color: rgba(255, 255, 255, 0.3);
}

.wip-title {
  font-size: clamp(1.7rem, 1.2rem + 2.6vw, 3rem);
  font-weight: 800;
  font-stretch: 114%;
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.wip-title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent), #b9a3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.wip-sub {
  margin-top: 1rem;
  color: var(--muted);
  max-width: 30rem;
}

.wip-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem 1.4rem;
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
}
.wip-list li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.82);
  padding: 0.68rem 0.85rem;
  background: rgba(255, 255, 255, 0.022);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  transition: border-color var(--duration-fast), background var(--duration-fast),
    transform var(--duration-normal) var(--ease-out-expo);
}
.wip-list li:hover {
  border-color: rgba(123, 77, 255, 0.35);
  background: rgba(123, 77, 255, 0.06);
  transform: translateY(-2px);
}
.wip-list b {
  flex: none;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  font-size: 0.62rem;
  font-weight: 700;
  color: #d7c9ff;
  background: var(--accent-soft);
  border: 1px solid rgba(123, 77, 255, 0.35);
  border-radius: 6px;
}

.wip-foot {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
}
.wip-foot-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}
.wip-foot-text {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.32);
  text-transform: uppercase;
  text-align: right;
}

/* ============ FOOTER ============ */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  padding: clamp(2.6rem, 6vw, 4rem) clamp(1.2rem, 4vw, 3.4rem) 2.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
  text-align: center;
}
.footer-tag {
  font-weight: 800;
  font-stretch: 114%;
  font-size: clamp(1.05rem, 1rem + 0.6vw, 1.4rem);
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.footer-tag span { color: var(--muted); }

.footer-social { display: flex; gap: 0.7rem; }
.footer-social a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color var(--duration-fast), background var(--duration-fast),
    transform var(--duration-normal) var(--ease-out-expo), box-shadow var(--duration-normal);
}
.footer-social svg {
  width: 17px;
  height: 17px;
  fill: var(--muted);
  transition: fill var(--duration-fast);
}
.footer-social a:hover {
  border-color: rgba(123, 77, 255, 0.5);
  background: var(--accent-soft);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px -8px rgba(123, 77, 255, 0.35);
}
.footer-social a:hover svg { fill: #fff; }
.footer-social a:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.28);
}

/* ============ REVEALS ============ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 900ms var(--ease-out-expo), transform 900ms var(--ease-out-expo);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 90ms; }
.reveal.d2 { transition-delay: 180ms; }
.reveal.d3 { transition-delay: 270ms; }
.reveal.d4 { transition-delay: 420ms; }
.reveal.d5 { transition-delay: 540ms; }
.reveal.d6 { transition-delay: 720ms; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: 0;
    z-index: -1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: rgba(9, 9, 9, 0.94);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal), visibility var(--duration-normal);
  }
  .nav.menu-open .nav-links { opacity: 1; visibility: visible; z-index: 49; }
  .nav-link { font-size: 1.05rem; padding: 0.8rem 1.4rem; }
  .nav-burger { display: flex; }

  .bg-frame-sketch { display: none; }
  .wip-list { grid-template-columns: repeat(2, 1fr); }
  .wip-foot-text { text-align: left; }
  .wip-foot { flex-direction: column-reverse; align-items: flex-start; gap: 0.9rem; }
  .wip-foot-line { width: 100%; flex: none; }
}

@media (max-width: 540px) {
  .hero-content { margin-top: -10vh; }
  .garage { height: 34vh; min-height: 220px; }
  .wip-list { grid-template-columns: 1fr; }
  .hero-meta { gap: 0.7rem; letter-spacing: 0.2em; }
  .scroll-cue { display: none; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-inner, .bg-smoke, .bg-led, .bg-dot,
  .scroll-cue-dot, .wip-badge-pulse, .loader-bar { animation: none !important; }
  #particles, .mouse-light { display: none; }
}