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

:root {
  --bg: #0d0c0b;
  --bg-elevated: #161412;
  --glass: rgba(22, 20, 18, 0.72);
  --glass-border: rgba(255, 248, 235, 0.08);
  --text: #f5efe6;
  --text-muted: #a89f92;
  --wood: #8b5e3c;
  --brass: #c9a227;
  --mirror: rgba(200, 220, 255, 0.06);

  --circuit: #4ade80;
  --dinner: #fb923c;
  --fork: #fbbf24;
  --sensor: #38bdf8;
  --spectrum: #a78bfa;
  --stim: #f472b6;
  --taptico: #2dd4bf;
  --oildue: #ff453a;

  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(201, 162, 39, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(167, 139, 250, 0.08), transparent 50%),
    linear-gradient(180deg, #12100e 0%, var(--bg) 40%, #0a0908 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

.hero-copy h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.hero-whisper {
  margin: 0.25rem 0 1rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--mirror);
  opacity: 0.35;
  transform: scaleX(-1);
  display: inline-block;
  user-select: none;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--wood), #6b4423);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 24px rgba(139, 94, 60, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.18);
}

.hero-photo {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.08), transparent 50%);
  pointer-events: none;
}

.mirror-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.65));
}

/* Apps intro */
.apps-intro,
.guides-intro {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-head h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.filter-chip {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  transition: all 0.2s;
}

.filter-chip:hover,
.filter-chip.is-active {
  color: var(--text);
  border-color: rgba(201, 162, 39, 0.45);
  background: rgba(201, 162, 39, 0.1);
}

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

.app-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s, opacity 0.3s;
  will-change: transform;
}

.app-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
}

.app-card.is-hidden {
  display: none;
}

.app-card-icon {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.app-card h3 {
  margin: 0 0 0.2rem;
  font-size: 1.05rem;
}

.app-card p {
  margin: 0 0 0.65rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.platform-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pill {
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.pill-soon {
  background: rgba(201, 162, 39, 0.15);
  color: var(--brass);
}

/* Per-app accent borders on hover */
.app-card[data-accent="circuit"]:hover { border-color: rgba(74, 222, 128, 0.35); }
.app-card[data-accent="dinner"]:hover { border-color: rgba(251, 146, 60, 0.35); }
.app-card[data-accent="fork"]:hover { border-color: rgba(251, 191, 36, 0.35); }
.app-card[data-accent="sensor"]:hover { border-color: rgba(56, 189, 248, 0.35); }
.app-card[data-accent="spectrum"]:hover { border-color: rgba(167, 139, 250, 0.35); }
.app-card[data-accent="stim"]:hover { border-color: rgba(244, 114, 182, 0.35); }
.app-card[data-accent="taptico"]:hover { border-color: rgba(45, 212, 191, 0.35); }
.app-card[data-accent="oildue"]:hover { border-color: rgba(255, 69, 58, 0.4); }

/* Showcases */
.showcase {
  position: relative;
  z-index: 1;
  padding: 4rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.showcase::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.06;
  pointer-events: none;
}

.showcase[data-accent="circuit"]::before { background: radial-gradient(circle at 20% 30%, var(--circuit), transparent 55%); }
.showcase[data-accent="dinner"]::before { background: radial-gradient(circle at 20% 30%, var(--dinner), transparent 55%); }
.showcase[data-accent="fork"]::before { background: radial-gradient(circle at 20% 30%, var(--fork), transparent 55%); }
.showcase[data-accent="sensor"]::before { background: radial-gradient(circle at 20% 30%, var(--sensor), transparent 55%); }
.showcase[data-accent="spectrum"]::before { background: radial-gradient(circle at 20% 30%, var(--spectrum), transparent 55%); }
.showcase[data-accent="stim"]::before { background: radial-gradient(circle at 20% 30%, var(--stim), transparent 55%); }
.showcase[data-accent="taptico"]::before { background: radial-gradient(circle at 20% 30%, var(--taptico), transparent 55%); }
.showcase[data-accent="oildue"]::before { background: radial-gradient(circle at 20% 30%, var(--oildue), transparent 55%); }

.showcase-inner {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
}

.showcase-header {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-bottom: 1rem;
}

.showcase-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.showcase-category {
  display: inline-block;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}

.showcase-header h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
}

.showcase-tagline {
  margin: 0.15rem 0 0;
  color: var(--text-muted);
  font-style: italic;
}

.showcase-desc {
  max-width: 62ch;
  margin: 0 0 1.5rem;
  color: var(--text-muted);
}

.store-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 1.75rem;
}

.store-badge {
  display: inline-block;
  transition: transform 0.2s, opacity 0.2s;
}

.store-badge:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.store-badge img {
  display: block;
  width: auto;
}

.store-badge.apple img {
  height: 40px;
}

.store-badge.play img {
  height: 60px;
}

.soon-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px dashed rgba(201, 162, 39, 0.45);
  background: rgba(201, 162, 39, 0.08);
  color: var(--brass);
  font-size: 0.85rem;
  font-weight: 500;
}

/* Carousel */
.carousel {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.04);
  font-size: 1.1rem;
  transition: background 0.2s, border-color 0.2s;
}

.carousel-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}

.carousel-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.5rem 0.25rem 1rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.carousel-track::-webkit-scrollbar {
  height: 6px;
}

.carousel-track::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
}

.shot {
  flex: 0 0 auto;
  width: min(240px, 42vw);
  padding: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  scroll-snap-align: start;
  transition: transform 0.2s, box-shadow 0.2s;
}

.shot:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.shot img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: contain;
  background: #0a0908;
}

/* Videos */
.video-row {
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  padding: 0 0 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.video-card {
  position: relative;
  flex: 0 0 auto;
  padding: 0;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: #000;
  text-align: left;
}

.video-card.is-wide {
  width: min(360px, 80vw);
}

.video-card.is-short {
  width: min(180px, 42vw);
}

.video-card img,
.video-card iframe {
  display: block;
  width: 100%;
  height: auto;
}

.video-card.is-wide img,
.video-card.is-wide iframe {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.video-card.is-short img,
.video-card.is-short iframe {
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 52px;
  height: 52px;
  margin: -26px 0 0 -26px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid rgba(255, 255, 255, 0.85);
}

.play-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 8px 0 8px 14px;
  border-color: transparent transparent transparent #fff;
}

.video-label {
  display: block;
  padding: 0.55rem 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.video-card.is-playing .play-icon,
.video-card.is-playing .video-label,
.video-card.is-playing img {
  display: none;
}

.video-card.is-playing iframe {
  display: block;
  width: 100%;
  border: 0;
}

/* Platform split (Spectrum Sync) */
.platform-split {
  display: grid;
  gap: 2.5rem;
}

.platform-block h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 400;
}

.platform-block p {
  margin: 0 0 1rem;
  max-width: 62ch;
  color: var(--text-muted);
}

/* Guides */
.guide {
  padding-top: 2rem;
}

.guide-kicker {
  margin-bottom: 0.65rem;
}

.guide h1 {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.guide-lede {
  max-width: 62ch;
  margin: 0 0 1.75rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.guide-prose {
  max-width: 62ch;
  margin: 0 0 2rem;
}

.guide-prose h2 {
  margin: 1.75rem 0 0.45rem;
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 400;
}

.guide-prose h2:first-child {
  margin-top: 0;
}

.guide-prose p,
.guide-prose li {
  color: var(--text-muted);
}

.guide-prose p {
  margin: 0 0 1rem;
}

.guide-prose strong {
  color: var(--text);
  font-weight: 500;
}

.guide-prose ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.75rem;
}

.guide-more {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.guide-more .section-head {
  margin-bottom: 1rem;
}

.guide-more .section-head h2 {
  font-size: 1.75rem;
}

.guides-intro .app-grid,
.guide-more .app-grid {
  grid-template-columns: repeat(2, 1fr);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 2rem 1.25rem 3rem;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem;
  border-radius: var(--radius);
  text-align: center;
}

.footer-name {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1.75rem;
}

.footer-email {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--brass);
  font-size: 1rem;
}

.footer-email:hover,
.footer-yt:hover {
  text-decoration: underline;
}

.footer-yt {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
}

.lightbox[hidden] {
  display: none;
}

.lightbox figure {
  margin: 0;
  max-width: min(420px, 90vw);
  text-align: center;
}

.lightbox-img {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.lightbox-caption {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  font-size: 1.5rem;
  line-height: 1;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-photo {
    order: -1;
  }

  .app-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .nav-links {
    gap: 1rem;
  }

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

  .guides-intro .app-grid,
  .guide-more .app-grid {
    grid-template-columns: 1fr;
  }

  .showcase-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .carousel-btn {
    display: none;
  }

  .carousel-track {
    padding-bottom: 0.5rem;
  }
}

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

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

  .app-card,
  .btn,
  .shot,
  .store-badge {
    transform: none !important;
  }
}