/* ═══════════════════════════════════════════
   Stark – Landing Page Styles
   ═══════════════════════════════════════════ */

:root {
  --color-black: #0f0f12;
  --color-gray-50: #fafafc;
  --color-gray-100: #f5f5f7;
  --color-gray-900: #1d1d1f;
  --color-blue: #9333ea;
  --color-link: #6d28d9;
  --color-link-dark: #c084fc;
  --color-white: #ffffff;
  --color-white-muted: rgba(255, 255, 255, 0.82);
  --color-black-muted: rgba(0, 0, 0, 0.8);
  --color-black-soft: rgba(0, 0, 0, 0.56);
  --color-black-faint: rgba(0, 0, 0, 0.08);
  --color-dark-surface: #212124;
  --color-dark-surface-2: #252527;
  --color-dark-surface-3: #1b1b1d;
  --color-success: #32d74b;
  --shadow-card: rgba(0, 0, 0, 0.22) 3px 5px 30px 0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-pill: 980px;
  --site-width: 1180px;
  --font-stack: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-stack);
  color: var(--color-gray-900);
  background: var(--color-gray-100);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 2px solid var(--color-blue); outline-offset: 3px; }

/* ── Header / Nav ── */

.site-header {
  position: sticky; top: 0; z-index: 50;
  padding: 0 14px;
  background: var(--color-black);
}
.nav-shell {
  max-width: 1180px; margin: 0 auto; height: 48px;
  padding: 0 16px; display: flex; align-items: center;
  justify-content: space-between; gap: 20px;
  background: rgba(0,0,0,0.8); color: var(--color-white);
  backdrop-filter: saturate(180%) blur(20px); border-radius: 14px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 600; letter-spacing: -0.374px;
}
.brand img { width: 28px; height: 28px; border-radius: 8px; }
.site-nav {
  display: inline-flex; align-items: center; gap: 18px;
  font-size: 12px; line-height: 1.33; letter-spacing: -0.12px;
}
.site-nav a { color: rgba(255,255,255,0.92); }
.site-nav a:hover { text-decoration: underline; }
.nav-cta {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 32px; padding: 7px 16px;
  background: var(--color-blue); border-radius: var(--radius-pill);
  font-weight: 500; letter-spacing: -0.2px;
  transition: opacity 180ms ease;
}
.nav-cta:hover { opacity: 0.88; }
.menu-toggle {
  display: none; width: 40px; height: 40px; padding: 0;
  background: transparent; border: 0; color: inherit; cursor: pointer;
}
.menu-toggle span {
  display: block; width: 18px; height: 1.5px; margin: 4px auto;
  background: var(--color-white);
  transition: transform 180ms ease, opacity 180ms ease;
}
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(5.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-5.5px) rotate(-45deg); }

/* ── Sections ── */

.section { position: relative; }
.section-shell { max-width: var(--site-width); margin: 0 auto; padding: 120px 28px; }
.theme-dark, .section-dark { background: var(--color-black); color: var(--color-white); }
.section-light { background: var(--color-gray-100); color: var(--color-gray-900); }

/* ── Hero ── */

.hero-section { overflow: visible; }

.hero-glow-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  border-radius: inherit;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
}

.hero-orb-1 {
  width: 660px; height: 660px;
  background: radial-gradient(circle, #7c3aed 0%, #4c1d95 60%, transparent 100%);
  top: -180px; left: -100px;
  animation: orb-drift-1 12s ease-in-out infinite alternate;
}

.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #9333ea 0%, #6d28d9 55%, transparent 100%);
  top: 60px; right: -80px;
  animation: orb-drift-2 15s ease-in-out infinite alternate;
}

.hero-orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #a855f7 0%, #7e22ce 50%, transparent 100%);
  bottom: 80px; left: 40%;
  animation: orb-drift-3 18s ease-in-out infinite alternate;
  opacity: 0.35;
}

@keyframes orb-drift-1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(80px, 60px) scale(1.15); }
}

@keyframes orb-drift-2 {
  from { transform: translate(0, 0) scale(1.1); }
  to   { transform: translate(-60px, 80px) scale(0.9); }
}

@keyframes orb-drift-3 {
  from { transform: translate(0, 0) scale(0.95); }
  to   { transform: translate(-80px, -50px) scale(1.2); }
}

.hero-shell { position: relative; z-index: 1; }
.hero-shell { min-height: calc(100vh - 58px); display: block; padding-top: 84px; padding-bottom: 0; }
.hero-copy { max-width: 860px; margin: 0 auto; text-align: center; }
.eyebrow { margin: 0 0 14px; color: var(--color-link-dark); font-size: 17px; font-weight: 600; line-height: 1.24; letter-spacing: -0.374px; }
.eyebrow-dark { color: var(--color-link); }
.hero-copy h1, .section-copy h2, .closing-card h2 { margin: 0; font-size: clamp(40px,7vw,68px); font-weight: 600; line-height: 1.12; letter-spacing: -0.32px; }
.hero-h1-accent { color: var(--color-link-dark); }
.section-copy h2, .closing-card h2 { font-size: clamp(32px,4.2vw,52px); }
.hero-subtitle, .section-copy p, .stack-card p, .feature-card p, .price-card p, .faq-item p, .closing-card p, .audience-card p, .safety-card p { font-size: 17px; font-weight: 400; line-height: 1.47; letter-spacing: -0.374px; }
.hero-subtitle { max-width: 760px; margin: 20px auto 0; color: var(--color-white-muted); }
.prompt-inline { color: var(--color-white); }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }

/* ── Buttons ── */

.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 10px 22px; border-radius: var(--radius-pill);
  border: 1px solid transparent; font-size: 17px; font-weight: 500; line-height: 1;
  letter-spacing: -0.2px;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, opacity 180ms ease;
}
.button:hover { opacity: 0.88; }
.button-primary { background: var(--color-blue); color: var(--color-white); }
.button-outline-light { border-color: rgba(255,255,255,0.45); color: var(--color-white); background: rgba(255,255,255,0.08); }
.button-outline-light:hover { border-color: rgba(255,255,255,0.65); background: rgba(255,255,255,0.13); }
.button-outline-dark { border-color: rgba(0,0,0,0.18); color: var(--color-link); background: transparent; }
.button-outline-dark:hover { border-color: rgba(0,0,0,0.28); background: rgba(109,40,217,0.06); }

/* ── Metric strip ── */

.metric-strip {
  list-style: none; margin: 44px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px;
}
.metric-strip li { padding: 22px 18px; background: rgba(255,255,255,0.08); border-radius: var(--radius-md); text-align: center; }
.metric-strip strong { display: block; font-size: 28px; font-weight: 400; line-height: 1.14; letter-spacing: 0.196px; }
.metric-strip span { display: block; margin-top: 6px; color: rgba(255,255,255,0.76); font-size: 14px; line-height: 1.29; letter-spacing: -0.224px; }

/* ═══════════════════════════════════════════
   GATHER ANIMATION — scroll-driven files → folders
   ═══════════════════════════════════════════ */

.gather-scroll { position: relative; margin-top: 54px; }
.gather-sticky { position: sticky; top: 76px; z-index: 20; }
.gather-spacer { height: 260vh; }

.scroll-hint {
  margin: 0 0 18px; text-align: center;
  color: rgba(255,255,255,0.5); font-size: 14px;
  letter-spacing: -0.2px;
  transition: opacity 400ms ease;
}
.scroll-hint.is-hidden { opacity: 0; }

.gather-stage {
  position: relative;
  width: 100%; max-width: 1100px; margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(88,28,135,0.45) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(109,40,217,0.3) 0%, transparent 55%),
    linear-gradient(160deg, #150a24 0%, #0d0d1a 50%, #0a0a14 100%);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.6), 0 30px 80px rgba(0,0,0,0.6);
  overflow: hidden;
}

/* ── macOS Menu Bar ── */
.macos-menubar {
  position: absolute; top: 0; left: 0; right: 0;
  height: 28px; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 12px;
  background: rgba(20, 10, 35, 0.82);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.macos-menubar-left,
.macos-menubar-right {
  display: flex; align-items: center; gap: 4px;
}
.macos-apple {
  font-size: 14px; color: rgba(255,255,255,0.9);
  margin-right: 8px; line-height: 1;
}
.macos-menu-item {
  font-size: 12px; color: rgba(255,255,255,0.82);
  padding: 2px 7px; border-radius: 4px;
  letter-spacing: -0.1px; line-height: 1;
}
.macos-menu-item.is-bold { font-weight: 600; }
.macos-status-item {
  font-size: 11px; color: rgba(255,255,255,0.7);
  padding: 0 5px; letter-spacing: -0.1px;
}
.macos-time { font-weight: 500; color: rgba(255,255,255,0.85); }


/* ── macOS file icon ── */

.mac-file {
  position: absolute;
  display: flex; flex-direction: column; align-items: center;
  width: 76px; gap: 5px;
  will-change: transform, opacity;
  transition: none; /* JS handles transform */
  pointer-events: none;
  user-select: none;
  z-index: 10;
}
.mac-file-icon {
  position: relative; width: 56px; height: 68px;
  border-radius: 6px; background: #2c2c2e;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.06);
  overflow: hidden;
}
/* Dog-ear corner */
.mac-file-icon::before {
  content: ""; position: absolute; top: 0; right: 0;
  width: 14px; height: 14px;
  background: linear-gradient(225deg, #1a1a1c 50%, transparent 50%);
  z-index: 2;
}
/* Extension label */
.mac-file-icon::after {
  content: attr(data-ext);
  position: absolute; bottom: 6px; left: 0; right: 0;
  text-align: center; font-size: 9px; font-weight: 700;
  letter-spacing: 0.5px; text-transform: uppercase;
  color: rgba(255,255,255,0.9); z-index: 1;
}
/* Color stripe at top of icon by type */
.mac-file-icon .file-stripe {
  position: absolute; top: 0; left: 0; right: 14px; height: 22px;
}
.type-pdf .file-stripe    { background: linear-gradient(135deg, #ff3b30, #ff6961); }
.type-image .file-stripe  { background: linear-gradient(135deg, #af52de, #c084fc); }
.type-code .file-stripe   { background: linear-gradient(135deg, #5ac8fa, #64d2ff); }
.type-sheet .file-stripe  { background: linear-gradient(135deg, #30d158, #4cd964); }
.type-doc .file-stripe    { background: linear-gradient(135deg, #007aff, #5ac8fa); }
.type-archive .file-stripe{ background: linear-gradient(135deg, #ff9f0a, #ffcc02); }
.type-pres .file-stripe   { background: linear-gradient(135deg, #ff6b35, #ff9f0a); }
.type-video .file-stripe  { background: linear-gradient(135deg, #ff375f, #ff6482); }
.type-misc .file-stripe   { background: linear-gradient(135deg, #636366, #8e8e93); }

.mac-file-name {
  max-width: 76px; text-align: center;
  color: var(--color-white); font-size: 10px;
  line-height: 1.2; letter-spacing: -0.1px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ── macOS folder icon (destination) ── */

.mac-folder {
  position: absolute;
  display: flex; flex-direction: column; align-items: center;
  width: 84px; gap: 5px;
  will-change: transform, opacity;
  pointer-events: none; user-select: none;
  opacity: 0; /* Shown by JS */
  z-index: 10;
}
.mac-folder-icon {
  position: relative; width: 64px; height: 52px;
  border-radius: 4px 4px 8px 8px;
  background: var(--color-blue);
  box-shadow: 0 4px 16px rgba(147,51,234,0.35);
}
/* Folder tab */
.mac-folder-icon::before {
  content: ""; position: absolute;
  top: -8px; left: 4px; width: 24px; height: 10px;
  border-radius: 4px 4px 0 0;
  background: inherit;
}
/* Count badge */
.mac-folder-badge {
  position: absolute; top: -6px; right: -8px;
  min-width: 20px; height: 20px; padding: 0 5px;
  border-radius: 999px;
  background: var(--color-success);
  color: #0c0c0d; font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: scale(0.5);
  transition: opacity 300ms ease, transform 300ms cubic-bezier(.34,1.56,.64,1);
}
.mac-folder-badge.is-visible { opacity: 1; transform: scale(1); }

.mac-folder-name {
  max-width: 84px; text-align: center;
  color: var(--color-white); font-size: 11px; font-weight: 600;
  line-height: 1.2; letter-spacing: -0.1px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ── Slogan after animation ── */

.gather-slogan {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px; padding: 28px 20px 0;
  text-align: center;
  opacity: 0; transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
  pointer-events: none;
}
.gather-slogan.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.gather-slogan h2 {
  margin: 0; font-size: clamp(22px, 3vw, 36px); font-weight: 600;
  line-height: 1.15; letter-spacing: -0.3px; color: var(--color-white);
}
.gather-slogan p {
  margin: 0; font-size: 16px; color: rgba(255,255,255,0.6);
  letter-spacing: -0.2px;
}

/* ═══════════════════════════════════════════
   SCREENSHOT GALLERY
   ═══════════════════════════════════════════ */

.screenshot-gallery {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 24px; margin-top: 42px;
}
.screenshot-slot { text-align: center; }
.screenshot-placeholder {
  aspect-ratio: 16 / 10;
  border-radius: 16px;
  background: var(--color-white);
  border: 2px dashed rgba(0,0,0,0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-black-soft); font-size: 15px; font-weight: 500;
  box-shadow: var(--shadow-card);
}
.screenshot-caption {
  margin: 12px 0 0; font-size: 14px; color: var(--color-black-soft);
  letter-spacing: -0.2px;
}

/* When you add real images, replace .screenshot-placeholder with:
   .screenshot-slot img { border-radius: 16px; box-shadow: var(--shadow-card); }
*/

/* ═══════════════════════════════════════════
   REST OF SITE — sections, cards, etc.
   ═══════════════════════════════════════════ */

.section-copy { max-width: 700px; }
.section-copy.centered { max-width: 860px; margin: 0 auto 48px; text-align: center; }
.section-copy p { margin: 18px 0 0; color: var(--color-black-muted); }
.section-dark .section-copy p, .section-dark .section-copy.centered p { color: rgba(255,255,255,0.82); }

.prompt-chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.prompt-chip-row span {
  display: inline-flex; align-items: center; min-height: 40px; padding: 8px 14px;
  border-radius: var(--radius-pill); background: var(--color-white);
  color: var(--color-gray-900); box-shadow: var(--shadow-card);
  font-size: 14px; line-height: 1.29; letter-spacing: -0.224px;
}

.split-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(360px,430px); align-items: center; gap: 44px; min-height: 90vh; }
.stack-layout { display: grid; gap: 16px; }

.stack-card, .feature-card, .price-card, .audience-card, .safety-card, .closing-card { border-radius: 18px; }
.feature-card, .price-card { border: 1px solid rgba(0,0,0,0.06); }
.safety-card, .audience-card, .stack-card-dark { border: 1px solid rgba(255,255,255,0.06); }
.stack-card { padding: 28px; box-shadow: var(--shadow-card); }
.stack-card-light, .feature-card, .price-card { background: var(--color-white); color: var(--color-gray-900); }
.stack-card-dark { background: var(--color-dark-surface); color: var(--color-white); box-shadow: none; }
.card-kicker { margin: 0 0 10px; color: var(--color-link); font-size: 12px; font-weight: 400; line-height: 1.33; letter-spacing: -0.12px; }
.stack-card-dark .card-kicker { color: var(--color-link-dark); }
.stack-card h3, .feature-card h3, .price-card .plan-name, .audience-card h3, .safety-card h3 { margin: 0; font-size: 28px; font-weight: 400; line-height: 1.14; letter-spacing: 0.196px; }
.stack-card p:last-child, .feature-card p:last-child, .audience-card p, .safety-card p { margin-bottom: 0; }

.safety-grid, .feature-grid, .audience-grid, .pricing-grid, .faq-list { display: grid; gap: 18px; }
.safety-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.safety-card { min-height: 240px; padding: 28px; background: var(--color-dark-surface); }
.safety-index { display: inline-block; margin-bottom: 8px; color: rgba(255,255,255,0.38); font-size: 13px; line-height: 1.29; letter-spacing: -0.224px; }
.safety-icon { display: block; font-size: 28px; margin-bottom: 12px; line-height: 1; }
.feature-grid { grid-template-columns: repeat(3,minmax(0,1fr)); margin-top: 42px; }
.feature-card { min-height: 260px; padding: 26px; box-shadow: var(--shadow-card); }
.feature-icon { font-size: 32px; margin-bottom: 14px; line-height: 1; }
.audience-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.audience-card { min-height: 220px; padding: 24px; background: var(--color-dark-surface-2); display: flex; flex-direction: column; gap: 16px; }
.audience-avatar { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 26px; flex-shrink: 0; }
.audience-avatar-dev     { background: linear-gradient(135deg, #1e3a5f, #2563eb); }
.audience-avatar-creator { background: linear-gradient(135deg, #4a1942, #9333ea); }
.audience-avatar-finance { background: linear-gradient(135deg, #064e3b, #059669); }
.audience-avatar-daily   { background: linear-gradient(135deg, #422006, #d97706); }
.audience-body { display: flex; flex-direction: column; gap: 8px; }
.audience-card h3 { margin: 0; font-size: 20px; font-weight: 600; color: var(--color-white); }

.pricing-shell { min-height: 90vh; }
.pricing-grid { grid-template-columns: repeat(2,minmax(0,1fr)); margin-top: 42px; }
.price-card { padding: 34px; box-shadow: var(--shadow-card); }
.price-card-featured { background: var(--color-gray-900); color: var(--color-white); }
.plan-name { margin-bottom: 10px; }
.plan-price { margin: 0; font-size: clamp(40px,5vw,56px); font-weight: 600; line-height: 1.07; letter-spacing: -0.28px; }
.plan-copy { margin: 16px 0 0; }
.plan-list { display: grid; gap: 12px; margin: 28px 0; list-style: none; padding: 0; }
.plan-list li { position: relative; padding-left: 18px; font-size: 17px; line-height: 1.47; letter-spacing: -0.374px; }
.plan-list li::before { content: ""; position: absolute; top: 10px; left: 0; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.comparison-strip { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; margin-top: 18px; padding: 24px; background: var(--color-white); border-radius: 22px; box-shadow: var(--shadow-card); }
.comparison-label { display: block; margin-bottom: 8px; color: var(--color-black-soft); font-size: 12px; font-weight: 400; line-height: 1.33; letter-spacing: -0.12px; }
.comparison-strip strong { font-size: 17px; line-height: 1.24; letter-spacing: -0.374px; }

.faq-shell { min-height: 84vh; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { padding: 24px 28px; background: var(--color-dark-surface); border-radius: 18px; }
.faq-item summary { cursor: pointer; list-style: none; font-size: 21px; font-weight: 400; line-height: 1.19; letter-spacing: 0.231px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin: 14px 0 0; color: rgba(255,255,255,0.8); }

.closing-card { max-width: 860px; margin: 42px auto 0; padding: 42px 32px; background: var(--color-dark-surface); text-align: center; }
.closing-card img { margin: 0 auto 20px; border-radius: 16px; }

/* ── Tech details expandable ── */
.tech-details { margin-top: 28px; border-radius: 18px; overflow: hidden; background: var(--color-white); box-shadow: var(--shadow-card); }
.tech-details summary { padding: 18px 24px; cursor: pointer; list-style: none; font-size: 15px; font-weight: 500; color: var(--color-link); letter-spacing: -0.2px; }
.tech-details summary::-webkit-details-marker { display: none; }
.tech-details summary::after { content: " ↓"; opacity: 0.6; }
.tech-details[open] summary::after { content: " ↑"; }
.tech-table { width: 100%; border-collapse: collapse; }
.tech-table td { padding: 12px 24px; font-size: 14px; line-height: 1.4; border-top: 1px solid var(--color-black-faint); }
.tech-table td:first-child { color: var(--color-black-soft); width: 40%; }
.tech-table td:last-child { font-weight: 500; }

/* ── App Store badge ── */
.appstore-badge { display: inline-flex; flex-direction: column; align-items: center; gap: 8px; margin-top: 28px; }
.appstore-inner { display: inline-flex; align-items: center; gap: 14px; padding: 12px 22px; background: var(--color-black); border-radius: 14px; border: 1px solid rgba(255,255,255,0.12); transition: background 180ms ease; cursor: pointer; }
.appstore-inner:hover { background: #1a1a1e; }
.appstore-logo { flex-shrink: 0; }
.appstore-text { display: flex; flex-direction: column; }
.appstore-sub { font-size: 11px; color: rgba(255,255,255,0.6); letter-spacing: 0.2px; }
.appstore-title { font-size: 19px; font-weight: 600; color: var(--color-white); letter-spacing: -0.3px; line-height: 1.2; }
.appstore-price { font-size: 13px; color: rgba(255,255,255,0.5); }

.site-footer { background: var(--color-gray-100); color: var(--color-black-soft); }
.footer-shell { max-width: var(--site-width); margin: 0 auto; padding: 24px 28px 40px; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; line-height: 1.33; letter-spacing: -0.12px; }

/* ── Reveal on scroll ── */

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 500ms ease, transform 500ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */

@media (max-width: 980px) {
  .menu-toggle { display: inline-block; }
  .site-nav {
    position: absolute; top: calc(100% + 10px); left: 14px; right: 14px;
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    padding: 14px; background: rgba(0,0,0,0.92);
    backdrop-filter: saturate(180%) blur(20px); border-radius: 20px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 8px; }
  .nav-shell { position: relative; }
  .metric-strip, .feature-grid, .pricing-grid, .safety-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .split-layout { grid-template-columns: 1fr; }
  .section-shell { padding-top: 80px; padding-bottom: 80px; }
  .audience-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .screenshot-gallery { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .screenshot-slot:last-child { grid-column: 1 / -1; max-width: 50%; margin: 0 auto; }
  .gather-stage { aspect-ratio: 4 / 3; }
  .gather-spacer { height: 220vh; }
}

@media (max-width: 720px) {
  .hero-orb { opacity: 0.25 !important; filter: blur(60px); }
  .hero-orb-1 { width: 300px; height: 300px; top: -60px; left: -60px; }
  .hero-orb-2 { width: 240px; height: 240px; top: 40px; right: -40px; }
  .hero-orb-3 { display: none; }
  .hero-shell { padding-top: 64px; }
  .site-header { padding-left: 10px; padding-right: 10px; }
  .nav-shell, .section-shell, .footer-shell { padding-left: 16px; padding-right: 16px; }
  .section-shell { padding-top: 64px; padding-bottom: 64px; }
  .metric-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .feature-grid, .pricing-grid, .safety-grid, .audience-grid { grid-template-columns: 1fr; }
  .screenshot-gallery { grid-template-columns: 1fr; }
  .screenshot-slot:last-child { max-width: 100%; }
  .price-card, .feature-card, .stack-card, .safety-card, .closing-card, .faq-item { padding: 22px 18px; }
  .footer-shell { flex-direction: column; gap: 8px; text-align: center; }
  .gather-stage { aspect-ratio: 1 / 1; border-radius: 12px; }
  .gather-spacer { height: 180vh; }
  .macos-menu-item:not(.is-bold) { display: none; }
  .mac-file { width: 52px; }
  .mac-file-icon { width: 38px; height: 46px; }
  .mac-file-icon::before { width: 10px; height: 10px; }
  .mac-file-icon::after { font-size: 7px; bottom: 3px; }
  .mac-file-name { max-width: 52px; font-size: 8px; }
  .mac-folder { width: 60px; }
  .mac-folder-icon { width: 46px; height: 38px; }
  .mac-folder-icon::before { width: 18px; height: 7px; top: -6px; }
  .mac-folder-name { max-width: 60px; font-size: 9px; }
}

@media (max-width: 480px) {
  .metric-strip { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .metric-strip li { padding: 16px 12px; }
  .metric-strip strong { font-size: 22px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .button { width: 100%; max-width: 280px; justify-content: center; }
  .gather-stage { aspect-ratio: 3 / 4; }
  .gather-spacer { height: 160vh; }
  .safety-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}