/* Aldom Messenger — extends the shared ALDOM design system. */
:root {
  color-scheme: dark;
  --messenger-bg: #071426;
  --messenger-bg-deep: #04101f;
  --messenger-panel: rgba(12, 31, 51, 0.72);
  --messenger-panel-solid: #0d2034;
  --messenger-panel-hi: rgba(23, 54, 79, 0.78);
  --messenger-border: rgba(151, 213, 244, 0.14);
  --messenger-border-hi: rgba(122, 220, 246, 0.28);
  --messenger-text: #f5fbff;
  --messenger-sub: #afc2d2;
  --messenger-muted: #7690a5;
  --messenger-blue: #2aabee;
  --messenger-blue-dark: #087ee5;
  --messenger-cyan: #19d9e6;
  --messenger-teal: #45e0c1;
  --messenger-focus: #67e8f0;
  --messenger-warning: #e6b05c;
  --messenger-glow: rgba(22, 189, 232, 0.22);
  --messenger-shadow: 0 30px 90px rgba(0, 9, 22, 0.46);
  --messenger-radius: 26px;
  --messenger-radius-sm: 18px;
}

html[data-theme="light"] {
  color-scheme: light;
  --messenger-bg: #f1f8fc;
  --messenger-bg-deep: #e7f3fa;
  --messenger-panel: rgba(255, 255, 255, 0.76);
  --messenger-panel-solid: #ffffff;
  --messenger-panel-hi: rgba(239, 249, 255, 0.9);
  --messenger-border: rgba(25, 112, 162, 0.13);
  --messenger-border-hi: rgba(20, 145, 199, 0.25);
  --messenger-text: #0b2033;
  --messenger-sub: #425f73;
  --messenger-muted: #526b7c;
  --messenger-blue: #00689d;
  --messenger-blue-dark: #0556b3;
  --messenger-cyan: #00717a;
  --messenger-teal: #08745f;
  --messenger-focus: #005f85;
  --messenger-warning: #8a5700;
  --messenger-glow: rgba(14, 163, 214, 0.16);
  --messenger-shadow: 0 30px 80px rgba(34, 92, 122, 0.16);
  --bg: var(--messenger-bg);
  --bg-card: #ffffff;
  --bg-secondary: #eaf5fb;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-hi: rgba(255, 255, 255, 0.9);
  --border: var(--messenger-border);
  --border-hi: var(--messenger-border-hi);
  --text: var(--messenger-text);
  --text-sub: var(--messenger-sub);
  --text-dim: var(--messenger-muted);
}

html { scroll-padding-top: 86px; overflow-x: clip; scrollbar-gutter: stable; }

.messenger-page {
  min-width: 320px;
  background: var(--messenger-bg);
  color: var(--messenger-text);
  overflow-x: clip;
}

.messenger-page::before {
  background:
    radial-gradient(800px 600px at 78% 3%, rgba(25, 217, 230, 0.12), transparent 62%),
    radial-gradient(840px 680px at 2% 18%, rgba(42, 171, 238, 0.12), transparent 64%),
    linear-gradient(180deg, var(--messenger-bg-deep), var(--messenger-bg) 34%, var(--messenger-bg));
}

.messenger-page::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .22;
  pointer-events: none;
  background-image: linear-gradient(rgba(122, 213, 240, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(122, 213, 240, .08) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 72%);
  mask-image: linear-gradient(to bottom, #000, transparent 72%);
}

.messenger-page ::selection { background: rgba(25, 217, 230, .3); }

.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.messenger-page svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.skip-link {
  position: fixed;
  left: 20px;
  top: -80px;
  z-index: 3000;
  border-radius: 12px;
  padding: 12px 16px;
  background: var(--messenger-panel-solid);
  border: 1px solid var(--messenger-border-hi);
  color: var(--messenger-text);
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

.messenger-wrap { width: min(1180px, calc(100% - 56px)); margin-inline: auto; }
.messenger-section { position: relative; padding: 110px 0; scroll-margin-top: 72px; }
.messenger-section-head { max-width: 680px; }
.messenger-section-head h2,
.privacy-intro h2,
.update-copy h2,
.final-cta h2 {
  color: var(--messenger-text);
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -.045em;
  font-weight: 600;
}
.messenger-section-head > p,
.privacy-intro > p,
.update-copy > p {
  margin-top: 20px;
  color: var(--messenger-sub);
  font-size: clamp(1rem, 1.7vw, 1.16rem);
  line-height: 1.72;
}
.messenger-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--messenger-cyan);
  font: 600 .74rem/1 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.messenger-eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 15px currentColor; }

.messenger-card {
  background: linear-gradient(145deg, var(--messenger-panel-hi), var(--messenger-panel));
  border: 1px solid var(--messenger-border);
  box-shadow: var(--messenger-shadow);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
  backdrop-filter: blur(22px) saturate(145%);
}

/* Navigation */
.messenger-nav { padding-top: env(safe-area-inset-top); }
.messenger-nav .nav-inner { max-width: 1180px; }
.messenger-nav.scrolled {
  background: color-mix(in srgb, var(--messenger-bg-deep) 78%, transparent);
  border-bottom-color: var(--messenger-border);
}
.brand-mark-image { border-radius: 8px; }
.messenger-nav .nav-links { gap: 25px; }
.messenger-nav .nav-links a { color: var(--messenger-sub); }
.messenger-nav .nav-links a:hover { color: var(--messenger-text); }
.messenger-nav .nav-cta { color: var(--messenger-text) !important; background: rgba(42, 171, 238, .12); border-color: rgba(42, 171, 238, .32); }
.messenger-nav .nav-cta:hover { background: rgba(42, 171, 238, .2); border-color: rgba(42, 171, 238, .46); }
.messenger-nav .nav-cta:active { transform: translateY(1px) scale(.98); }
.theme-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--messenger-border);
  background: var(--messenger-panel);
  color: var(--messenger-sub);
  cursor: pointer;
  transition: transform .2s, color .2s, background .2s, border-color .2s;
}
.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle:hover { transform: translateY(-1px); color: var(--messenger-text); border-color: var(--messenger-border-hi); }
.theme-toggle:active { transform: translateY(1px) scale(.98); }
.theme-toggle-mobile { width: 100%; display: flex; justify-content: center; gap: 9px; }
.messenger-nav .nav-toggle { color: var(--messenger-text); background: var(--messenger-panel); border-color: var(--messenger-border); }
.messenger-nav .nav-toggle span { background: var(--messenger-text); }
.messenger-nav .nav-toggle:active { transform: translateY(1px) scale(.97); }
.messenger-nav .mobile-menu { padding-bottom: calc(20px + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--messenger-bg-deep) 95%, transparent); border-color: var(--messenger-border); }

/* Hero */
.messenger-hero { position: relative; min-height: 100svh; padding: calc(148px + env(safe-area-inset-top)) 0 90px; display: grid; align-items: center; }
.messenger-hero::before,
.messenger-hero::after { content: ''; position: absolute; pointer-events: none; border-radius: 999px; filter: blur(1px); }
.messenger-hero::before { width: 420px; height: 420px; right: -120px; top: 90px; border: 1px solid rgba(25, 217, 230, .11); box-shadow: inset 0 0 100px rgba(25, 217, 230, .04); }
.messenger-hero::after { width: 240px; height: 240px; right: 18%; bottom: 9%; border: 1px solid rgba(42, 171, 238, .1); }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr); gap: clamp(42px, 6vw, 88px); align-items: center; }
.product-lockup { display: flex; align-items: center; gap: 17px; margin-bottom: 30px; }
.product-lockup img { width: 64px; height: 64px; border-radius: 18px; box-shadow: 0 18px 48px rgba(1, 16, 44, .35); }
.product-lockup div { display: grid; gap: 2px; }
.product-overline { color: var(--messenger-muted); font: 600 .7rem/1 var(--font-mono); letter-spacing: .12em; }
.product-lockup strong { color: var(--messenger-text); font-size: 1.04rem; }
.hero-status { width: fit-content; display: inline-flex; align-items: center; gap: 9px; margin-bottom: 24px; padding: 7px 12px; border-radius: 999px; background: rgba(42, 171, 238, .09); border: 1px solid rgba(42, 171, 238, .2); color: var(--messenger-sub); font-size: .82rem; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--messenger-teal); box-shadow: 0 0 13px var(--messenger-teal); }
.hero-copy h1 { max-width: 720px; color: var(--messenger-text); font-size: clamp(3.1rem, 6.2vw, 5.8rem); line-height: .95; font-weight: 600; letter-spacing: -.066em; }
.hero-copy h1 span { display: block; color: transparent; background: linear-gradient(115deg, var(--messenger-blue), var(--messenger-cyan) 52%, var(--messenger-teal)); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 660px; margin-top: 30px; color: var(--messenger-sub); font-size: clamp(1.05rem, 1.7vw, 1.22rem); line-height: 1.7; }
.messenger-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.messenger-btn {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 15px;
  color: var(--messenger-text);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: transform .22s, box-shadow .22s, background .22s, border-color .22s, opacity .22s;
  -webkit-tap-highlight-color: transparent;
}
.messenger-btn svg { width: 20px; height: 20px; }
.messenger-btn-primary { color: #032333; background: linear-gradient(125deg, #56c8fb, #20dfdf 58%, #67edc4); box-shadow: 0 15px 42px rgba(15, 193, 226, .22); }
.messenger-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 52px rgba(15, 193, 226, .3); }
.messenger-btn-primary:active { transform: translateY(1px) scale(.99); }
.messenger-btn-secondary { background: var(--messenger-panel); border-color: var(--messenger-border-hi); }
.messenger-btn-secondary:hover { transform: translateY(-2px); background: var(--messenger-panel-hi); }
.messenger-btn-secondary:active { transform: translateY(1px) scale(.99); }
.messenger-btn:disabled,
.messenger-btn[aria-disabled="true"] { opacity: .48; pointer-events: none; box-shadow: none; }
.build-line { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 18px; color: var(--messenger-muted); font: 500 .77rem/1.5 var(--font-mono); }
.build-live { color: var(--messenger-teal); }

.phone-composition { position: relative; min-height: 660px; display: grid; place-items: center; isolation: isolate; }
.phone-glow { position: absolute; width: min(520px, 100%); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(30, 208, 226, .25), rgba(42, 171, 238, .08) 45%, transparent 68%); filter: blur(20px); z-index: -1; }
.phone-shell { position: absolute; overflow: hidden; border: 5px solid #050b14; border-radius: 32px; background: #17212b; box-shadow: 0 32px 80px rgba(0, 5, 16, .56), 0 0 0 1px rgba(115, 180, 215, .16), inset 0 0 0 1px rgba(255, 255, 255, .1); }
.phone-shell::before { content: ''; position: absolute; inset: 0; z-index: 4; border-radius: 26px; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08); pointer-events: none; }
.phone-shell::after { content: ''; position: absolute; left: 50%; bottom: 5px; z-index: 5; width: 46px; height: 3px; transform: translateX(-50%); border-radius: 999px; background: rgba(233, 242, 248, .78); box-shadow: 0 1px 4px rgba(0, 0, 0, .35); pointer-events: none; }
.phone-shell img { width: 100%; height: 100%; object-fit: cover; }
.phone-main { width: 310px; aspect-ratio: 412 / 892; z-index: 3; transform: rotate(-1deg); }
.phone-side { width: 242px; aspect-ratio: 412 / 892; border-radius: 29px; opacity: .82; }
.phone-side::before { border-radius: 23px; }
.phone-side::after { bottom: 4px; width: 38px; height: 2px; }
.phone-side-left { left: -2%; top: 74px; transform: rotate(-9deg); z-index: 1; }
.phone-side-right { right: -2%; top: 72px; transform: rotate(9deg); z-index: 2; }
.phone-camera { position: absolute; top: 7px; left: 50%; width: 10px; height: 10px; z-index: 6; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(circle at 38% 35%, #315271 0 10%, #0a1825 22%, #02050a 58%); box-shadow: 0 0 0 2px rgba(0, 0, 0, .52), 0 0 0 3px rgba(255, 255, 255, .06); }
.demo-note { display: flex; width: max-content; max-width: 100%; align-items: center; gap: 8px; margin-top: 14px; padding: 9px 13px; border-radius: 999px; background: var(--messenger-panel); border: 1px solid var(--messenger-border); color: var(--messenger-muted); font-size: .75rem; backdrop-filter: blur(16px); }
.demo-note svg { color: var(--messenger-teal); width: 16px; height: 16px; }

.signal-strip { border-block: 1px solid var(--messenger-border); background: linear-gradient(90deg, transparent, rgba(20, 131, 179, .06), transparent); }
.signal-grid { min-height: 82px; display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; gap: 24px; }
.signal-grid div { display: flex; align-items: center; justify-content: center; gap: 11px; color: var(--messenger-sub); font-size: .9rem; }
.signal-grid div + div { border-left: 1px solid var(--messenger-border); }
.signal-grid svg { width: 19px; height: 19px; color: var(--messenger-cyan); }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-top: 54px; }
.feature-card { min-height: 224px; padding: 24px; border-radius: var(--messenger-radius-sm); box-shadow: none; transition: transform .28s cubic-bezier(.2,.8,.2,1), border-color .28s, box-shadow .28s; }
.feature-card:hover { transform: translateY(-6px); border-color: var(--messenger-border-hi); box-shadow: 0 22px 55px rgba(0, 13, 31, .2); }
.feature-icon { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 24px; border-radius: 14px; background: linear-gradient(145deg, rgba(42, 171, 238, .18), rgba(25, 217, 230, .08)); color: var(--messenger-cyan); border: 1px solid rgba(42, 171, 238, .2); }
.feature-icon svg { width: 22px; height: 22px; }
.feature-card h3 { color: var(--messenger-text); font-size: 1rem; line-height: 1.28; letter-spacing: -.02em; }
.feature-card p { margin-top: 10px; color: var(--messenger-muted); font-size: .86rem; line-height: 1.55; }

/* Privacy */
.privacy-section { overflow: hidden; }
.privacy-section::before { content: ''; position: absolute; inset: 12% 0; z-index: -1; background: linear-gradient(100deg, rgba(8, 90, 147, .08), rgba(23, 217, 210, .07)); border-block: 1px solid var(--messenger-border); }
.privacy-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(44px, 8vw, 100px); align-items: center; }
.privacy-callout { display: flex; gap: 15px; margin-top: 34px; padding: 20px; border-radius: 20px; background: rgba(42, 171, 238, .08); border: 1px solid rgba(42, 171, 238, .18); }
.privacy-callout > svg { flex: 0 0 auto; width: 23px; height: 23px; color: var(--messenger-cyan); margin-top: 2px; }
.privacy-callout p { color: var(--messenger-sub); font-size: .9rem; line-height: 1.6; }
.privacy-callout strong { color: var(--messenger-text); }
.privacy-list { padding: 16px 28px; border-radius: var(--messenger-radius); }
.privacy-list ul { list-style: none; }
.privacy-list li { display: flex; align-items: flex-start; gap: 13px; padding: 17px 4px; color: var(--messenger-sub); border-bottom: 1px solid var(--messenger-border); }
.privacy-list li:last-child { border-bottom: 0; }
.privacy-list svg { flex: 0 0 auto; width: 20px; height: 20px; color: var(--messenger-teal); margin-top: 2px; }
.privacy-list code, .faq-list code { font-family: var(--font-mono); font-size: .88em; color: var(--messenger-cyan); }

/* Access */
.access-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 58px; list-style: none; counter-reset: none; }
.access-steps li { position: relative; min-height: 240px; padding: 26px; overflow: hidden; border-radius: var(--messenger-radius-sm); background: linear-gradient(150deg, var(--messenger-panel-hi), var(--messenger-panel)); border: 1px solid var(--messenger-border); }
.access-steps li:not(:last-child)::after { content: ''; position: absolute; top: 51px; right: -15px; width: 30px; height: 1px; z-index: 2; background: var(--messenger-cyan); opacity: .6; }
.access-steps > li > span { display: block; color: var(--messenger-cyan); font: 600 .8rem/1 var(--font-mono); }
.access-steps h3 { margin-top: 66px; color: var(--messenger-text); font-size: 1.1rem; }
.access-steps p { margin-top: 10px; color: var(--messenger-muted); font-size: .9rem; line-height: 1.58; }
.access-steps li::before { content: ''; position: absolute; right: -26px; top: -26px; width: 120px; height: 120px; border-radius: 50%; border: 1px solid var(--messenger-border); background: radial-gradient(circle, rgba(25, 217, 230, .08), transparent 65%); }

/* Project status */
.legal-status-section { border-block: 1px solid var(--messenger-border); background: radial-gradient(760px 440px at 82% 44%, rgba(230, 176, 92, .08), transparent 70%); }
.legal-status-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(44px, 8vw, 100px); align-items: start; }
.legal-status-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.legal-status-card { min-height: 190px; padding: 26px; border-radius: var(--messenger-radius-sm); }
.legal-status-card h3 { color: var(--messenger-text); font-size: 1.04rem; line-height: 1.3; }
.legal-status-card p { margin-top: 12px; color: var(--messenger-muted); font-size: .88rem; line-height: 1.62; }
.legal-status-card-warning { border-color: color-mix(in srgb, var(--messenger-warning) 38%, transparent); background: color-mix(in srgb, var(--messenger-warning) 7%, var(--messenger-panel)); }
.legal-status-card-warning h3 { color: var(--messenger-warning); }

/* Screens */
.screens-section { overflow: hidden; background: linear-gradient(180deg, transparent, rgba(13, 67, 99, .08), transparent); }
.screens-heading { display: flex; justify-content: space-between; gap: 40px; align-items: flex-end; }
.track-controls { display: flex; gap: 9px; padding-bottom: 4px; }
.track-controls button,
.lightbox-nav,
.lightbox-close { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--messenger-border-hi); border-radius: 14px; background: var(--messenger-panel); color: var(--messenger-text); cursor: pointer; transition: transform .2s, background .2s; }
.track-controls button:hover,
.lightbox-nav:hover,
.lightbox-close:hover { transform: translateY(-2px); background: var(--messenger-panel-hi); }
.track-controls button:active,
.lightbox-nav:active,
.lightbox-close:active,
.screen-card:active { transform: translateY(1px) scale(.98); }
.theme-toggle:disabled,
.track-controls button:disabled,
.lightbox-nav:disabled,
.lightbox-close:disabled,
.screen-card:disabled { opacity: .45; cursor: not-allowed; pointer-events: none; box-shadow: none; }
.track-controls svg { width: 19px; height: 19px; }
.track-controls button:first-child svg { transform: rotate(180deg); }
.screens-track { display: flex; gap: 18px; margin-top: 52px; padding: 6px calc((100vw - min(1180px, calc(100vw - 56px))) / 2 + 2px) 28px; margin-inline: calc((100vw - min(1180px, calc(100vw - 56px))) / -2); overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; scrollbar-width: none; }
.screens-track::-webkit-scrollbar { display: none; }
.screen-card { flex: 0 0 300px; scroll-snap-align: start; padding: 0; overflow: hidden; text-align: left; border: 1px solid var(--messenger-border); border-radius: 28px; background: var(--messenger-panel); color: var(--messenger-text); cursor: zoom-in; box-shadow: 0 22px 60px rgba(0, 7, 19, .28); transition: transform .28s, border-color .28s; }
.screen-card:hover { transform: translateY(-5px); border-color: var(--messenger-border-hi); }
.screen-card > img { width: 100%; aspect-ratio: 412 / 892; object-fit: cover; background: #17212b; }
.screen-card > span { display: grid; gap: 4px; padding: 17px 18px 18px; }
.screen-card strong { font-size: .95rem; }
.screen-card small { color: var(--messenger-muted); font-size: .78rem; }

/* Update */
.update-section { border-block: 1px solid var(--messenger-border); background: radial-gradient(680px 480px at 75% 50%, rgba(25, 217, 230, .1), transparent 68%); }
.update-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(44px, 8vw, 108px); align-items: center; }
.manifest-note { display: inline-flex; margin-top: 28px; padding: 9px 13px; border-radius: 999px; color: var(--messenger-muted); background: var(--messenger-panel); border: 1px solid var(--messenger-border); font: 500 .75rem/1.4 var(--font-mono); }
.manifest-note.is-live { color: var(--messenger-teal); }
.manifest-note.is-fallback { color: var(--messenger-warning); }
.update-card { padding: 30px; border-radius: var(--messenger-radius); }
.update-card-head { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px; }
.update-card-head img { border-radius: 16px; }
.update-card-head div { display: grid; gap: 3px; }
.update-card-head div span { color: var(--messenger-muted); font-size: .75rem; }
.update-card-head strong { color: var(--messenger-text); font: 600 1.05rem/1.2 var(--font-mono); }
.release-badge { padding: 7px 10px; border-radius: 999px; color: var(--messenger-cyan); background: rgba(25, 217, 230, .08); border: 1px solid rgba(25, 217, 230, .18); font: 600 .68rem/1 var(--font-mono); }
.build-stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 27px; border-block: 1px solid var(--messenger-border); }
.build-stats div { padding: 17px 10px; text-align: center; }
.build-stats div + div { border-left: 1px solid var(--messenger-border); }
.build-stats dt { color: var(--messenger-muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.build-stats dd { margin-top: 5px; color: var(--messenger-text); font: 600 .9rem/1.2 var(--font-mono); }
.release-notes { padding: 25px 2px 26px; }
.release-notes h3 { color: var(--messenger-text); font-size: .95rem; }
.release-notes ul { display: grid; gap: 10px; margin-top: 14px; padding-left: 19px; color: var(--messenger-sub); font-size: .87rem; line-height: 1.52; }
.release-notes li::marker { color: var(--messenger-cyan); }
.messenger-btn-full { width: 100%; }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(50px, 9vw, 120px); align-items: start; }
.faq-list { border-top: 1px solid var(--messenger-border); }
.faq-list details { border-bottom: 1px solid var(--messenger-border); }
.faq-list summary { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 2px; list-style: none; color: var(--messenger-text); font-weight: 600; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { position: relative; flex: 0 0 22px; width: 22px; height: 22px; }
.faq-list summary span::before,
.faq-list summary span::after { content: ''; position: absolute; left: 4px; top: 10px; width: 14px; height: 1.5px; border-radius: 2px; background: var(--messenger-cyan); transition: transform .24s; }
.faq-list summary span::after { transform: rotate(90deg); }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { max-width: 680px; padding: 0 38px 24px 2px; color: var(--messenger-sub); font-size: .93rem; line-height: 1.68; }

/* Final CTA */
.final-cta { padding: 18px 0 110px; }
.final-cta-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px 28px; padding: clamp(28px, 5vw, 52px); overflow: hidden; border-radius: 34px; background: radial-gradient(480px 220px at 88% 0%, rgba(36, 237, 220, .2), transparent 68%), linear-gradient(125deg, rgba(20, 81, 121, .86), rgba(9, 35, 57, .92)); border: 1px solid var(--messenger-border-hi); box-shadow: var(--messenger-shadow); }
html[data-theme="light"] .final-cta-card { background: radial-gradient(480px 220px at 88% 0%, rgba(36, 237, 220, .24), transparent 68%), linear-gradient(125deg, #e3f6ff, #f8fdff); }
.final-cta-card > img { border-radius: 20px; }
.final-cta-card .messenger-eyebrow { margin-bottom: 10px; }
.final-cta-card h2 { font-size: clamp(1.8rem, 3.5vw, 2.65rem); }
.final-cta-card > div > p { margin-top: 10px; color: var(--messenger-sub); font: 500 .8rem/1.5 var(--font-mono); }
.android-note { grid-column: 2 / -1; color: var(--messenger-muted); font-size: .78rem; line-height: 1.5; }

.messenger-footer { background: color-mix(in srgb, var(--messenger-bg-deep) 88%, transparent); border-top-color: var(--messenger-border); }

/* Lightbox */
.lightbox { display: block; width: 100%; max-width: none; height: 100%; max-height: none; padding: 0; border: 0; background: transparent; color: var(--messenger-text); overflow: hidden; }
.lightbox:not([open]) { display: none; }
.lightbox[open] { opacity: 1; pointer-events: auto; }
.lightbox::backdrop { background: transparent; }
.lightbox-backdrop { position: absolute; inset: 0; z-index: 0; background: rgba(1, 7, 16, .88); backdrop-filter: blur(20px); }
.lightbox-panel { position: relative; z-index: 1; width: 100%; height: 100%; display: grid; grid-template-columns: 64px minmax(0, 1fr) 64px; place-items: center; padding: max(22px, env(safe-area-inset-top)) max(22px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left)); pointer-events: none; }
.lightbox-panel > :where(button, figure) { pointer-events: auto; }
.lightbox figure { height: min(88vh, 920px); display: grid; grid-template-rows: minmax(0, 1fr) auto; justify-items: center; gap: 14px; }
.lightbox figure img { height: 100%; width: auto; max-width: min(82vw, 560px); object-fit: contain; border: 1px solid rgba(255,255,255,.16); border-radius: 28px; box-shadow: 0 30px 100px rgba(0,0,0,.62); }
.lightbox figcaption { color: #dcebf4; font-size: .86rem; }
.lightbox-close { position: absolute; z-index: 2; top: max(20px, env(safe-area-inset-top)); right: max(20px, env(safe-area-inset-right)); }
.lightbox-close svg { width: 20px; height: 20px; }
.lightbox-prev svg { transform: rotate(180deg); }

/* States and motion */
:where(a, button, summary, [tabindex]):focus-visible { outline: 3px solid var(--messenger-focus); outline-offset: 4px; }
.messenger-reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.75,.2,1), transform .7s cubic-bezier(.2,.75,.2,1); }
.messenger-reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-layout { grid-template-columns: minmax(0, 1fr) 430px; gap: 38px; }
  .phone-side { width: 210px; }
  .phone-main { width: 280px; }
  .phone-composition { min-height: 610px; }
}

@media (min-width: 901px) and (max-height: 800px) {
  .messenger-hero { min-height: 720px; padding: 104px 0 46px; }
  .product-lockup { margin-bottom: 18px; }
  .product-lockup img { width: 54px; height: 54px; border-radius: 16px; }
  .hero-status { margin-bottom: 15px; }
  .hero-copy h1 { font-size: clamp(3.35rem, 5.4vw, 4.65rem); }
  .hero-lead { margin-top: 19px; font-size: 1rem; line-height: 1.58; }
  .messenger-actions { margin-top: 22px; }
  .build-line { margin-top: 13px; }
  .phone-composition { min-height: 540px; }
  .phone-main { width: 268px; }
  .phone-side { width: 206px; }
  .phone-side-left,
  .phone-side-right { top: 56px; }
}

@media (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr; }
  .messenger-hero { padding-top: calc(132px + env(safe-area-inset-top)); }
  .hero-copy { max-width: 730px; }
  .phone-composition { min-height: 650px; margin-top: 10px; }
  .phone-side-left { left: 10%; }
  .phone-side-right { right: 10%; }
  .privacy-layout,
  .legal-status-layout,
  .update-layout,
  .faq-layout { grid-template-columns: 1fr; }
  .privacy-intro,
  .update-copy { max-width: 700px; }
  .access-steps { grid-template-columns: repeat(2, 1fr); }
  .access-steps li:nth-child(2)::after { display: none; }
  .final-cta-card { grid-template-columns: auto 1fr; }
  .final-cta-card .messenger-btn { grid-column: 1 / -1; }
  .android-note { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .messenger-wrap { width: min(100% - 34px, 1180px); }
  .messenger-section { padding: 82px 0; }
  .messenger-section-head h2,
  .privacy-intro h2,
  .update-copy h2 { font-size: clamp(2rem, 10vw, 2.8rem); }
  .messenger-nav .nav-inner { padding-inline: 17px; }
  .messenger-nav .mobile-menu { padding-inline: 17px; }
  .hero-copy h1 { font-size: clamp(3rem, 15vw, 4.7rem); }
  .hero-lead { margin-top: 24px; }
  .messenger-actions { display: grid; grid-template-columns: 1fr; }
  .messenger-btn { width: 100%; }
  .phone-composition { min-height: 570px; width: calc(100% + 34px); margin-left: -17px; }
  .phone-main { width: 260px; }
  .phone-side { width: 190px; }
  .phone-side-left { left: -15px; }
  .phone-side-right { right: -15px; }
  .signal-grid { grid-template-columns: 1fr; gap: 0; padding-block: 10px; }
  .signal-grid div { justify-content: flex-start; min-height: 50px; }
  .signal-grid div + div { border-left: 0; border-top: 1px solid var(--messenger-border); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card { min-height: 210px; padding: 21px; }
  .screens-heading { align-items: flex-start; }
  .track-controls { display: none; }
  .screens-track { margin-inline: -17px; padding-inline: 17px; }
  .screen-card { flex-basis: min(78vw, 300px); }
  .lightbox-panel { grid-template-columns: 1fr; }
  .lightbox-nav { position: absolute; bottom: max(22px, env(safe-area-inset-bottom)); z-index: 2; }
  .lightbox-prev { left: 22px; }
  .lightbox-next { right: 22px; }
  .lightbox figure { height: min(82vh, 800px); }
}

@media (max-width: 500px) {
  .messenger-hero { min-height: auto; padding-bottom: 68px; }
  .product-lockup { margin-bottom: 24px; }
  .product-lockup img { width: 56px; height: 56px; border-radius: 16px; }
  .hero-copy h1 { letter-spacing: -.058em; }
  .phone-composition { min-height: 515px; }
  .phone-main { width: 230px; border-width: 4px; border-radius: 29px; }
  .phone-side { width: 162px; border-width: 4px; border-radius: 25px; opacity: .68; }
  .phone-side-left { left: -18px; top: 76px; }
  .phone-side-right { right: -18px; top: 74px; }
  .phone-camera { top: 6px; width: 8px; height: 8px; box-shadow: 0 0 0 2px rgba(0, 0, 0, .5); }
  .demo-note { font-size: .68rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .access-steps { grid-template-columns: 1fr; }
  .legal-status-grid { grid-template-columns: 1fr; }
  .access-steps li { min-height: 210px; }
  .access-steps li::after { display: none; }
  .update-card { padding: 22px; }
  .update-card-head { grid-template-columns: auto 1fr; }
  .release-badge { grid-column: 1 / -1; width: fit-content; }
  .build-stats dd { font-size: .78rem; }
  .privacy-list { padding-inline: 20px; }
  .final-cta-card { grid-template-columns: 1fr; text-align: left; }
  .final-cta-card > img { width: 66px; height: 66px; }
  .android-note { grid-column: auto; }
  .footer-inner { gap: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .messenger-reveal { opacity: 1; transform: none; transition: none; }
  .feature-card,
  .screen-card,
  .messenger-btn,
  .theme-toggle,
  .track-controls button,
  .lightbox-nav,
  .lightbox-close { transition: none; }
  .messenger-nav,
  .messenger-nav .mobile-menu,
  .messenger-nav .nav-toggle span,
  .faq-list summary span::before,
  .faq-list summary span::after,
  .skip-link { transition: none; }
  .phone-glow { filter: none; }
}

@media (forced-colors: active) {
  .messenger-card,
  .feature-card,
  .access-steps li,
  .screen-card,
  .final-cta-card { border: 1px solid CanvasText; }
  .messenger-btn { border: 1px solid ButtonText; }
}