/* FERO landing page.
   Palette is lifted from the two apps: the Business app's coral red and the Partner app's royal blue,
   on a warm near-black so both glow. */
:root {
  --bg: #0e0a0c;
  --bg-2: #151012;
  --card: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.09);
  --text: #f6f1f2;
  --muted: #a99ea2;
  --red: #e5342b;
  --red-2: #ff6a5e;
  --red-soft: rgba(229, 52, 43, 0.14);
  --blue: #1f5eff;
  --blue-2: #6f9bff;
  --blue-soft: rgba(31, 94, 255, 0.16);
  --navy: #0b1b4d;
  --radius: 22px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

/* ---------- background ---------- */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.blob { position: absolute; width: 60vmax; height: 60vmax; border-radius: 50%; filter: blur(110px); opacity: 0.5; }
.blob-red { background: radial-gradient(circle, #e5342b 0%, transparent 65%); top: -22vmax; left: -18vmax; animation: drift1 22s ease-in-out infinite alternate; }
.blob-blue { background: radial-gradient(circle, #1f5eff 0%, transparent 65%); top: 8vmax; right: -24vmax; animation: drift2 26s ease-in-out infinite alternate; }
.dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1.2px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 75%);
}
@keyframes drift1 { to { transform: translate(14vmax, 10vmax) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-12vmax, 16vmax) scale(1.1); } }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(14, 10, 12, 0.72); backdrop-filter: blur(16px); border-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; letter-spacing: 0.04em; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--red), #ff8a5c); display: grid; place-items: center; box-shadow: 0 6px 20px rgba(229, 52, 43, 0.45); }
.brand-mark i { width: 10px; height: 10px; border-radius: 50%; background: #fff; animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(0.55); opacity: 0.7; } }
.nav-links { display: flex; gap: 6px; }
.nav-links a { padding: 8px 14px; border-radius: 999px; color: var(--muted); font-weight: 600; font-size: 14px; transition: color 0.2s, background 0.2s; }
.nav-links a:hover { color: var(--text); background: var(--card); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-weight: 700; font-size: 15px; color: #fff; cursor: pointer;
  position: relative; overflow: hidden; isolation: isolate;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s;
}
.btn::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%); transform: translateX(-120%); transition: transform 0.7s var(--ease); }
.btn:hover::after { transform: translateX(120%); }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 15px 26px; font-size: 16px; }
.btn-block { width: 100%; }
.btn small { font-weight: 600; opacity: 0.8; font-size: 12px; }
.btn-red { background: linear-gradient(135deg, var(--red), #ff5a3d); box-shadow: 0 10px 30px rgba(229, 52, 43, 0.38); }
.btn-red:hover { box-shadow: 0 14px 38px rgba(229, 52, 43, 0.55); }
.btn-blue { background: linear-gradient(135deg, var(--blue), #3b82ff); box-shadow: 0 10px 30px rgba(31, 94, 255, 0.38); }
.btn-blue:hover { box-shadow: 0 14px 38px rgba(31, 94, 255, 0.55); }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, 0.28); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.tilt.ready { transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform 0.18s ease-out, border-color 0.3s, background 0.3s; }
.tilt.ready:not(:hover) { transition: transform 0.6s var(--ease), border-color 0.3s, background 0.3s; }
.d1 { transition-delay: 0.1s; } .d2 { transition-delay: 0.2s; } .d3 { transition-delay: 0.3s; } .d4 { transition-delay: 0.4s; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); align-items: center; gap: 16px;
  padding: 110px clamp(18px, 5vw, 80px) 70px;
  max-width: 1400px; margin: 0 auto;
}
.ghost {
  position: absolute; left: 50%; top: 52%; transform: translate(-50%, -50%);
  font-weight: 800; font-size: clamp(180px, 34vw, 520px); letter-spacing: 0.04em; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.06);
  user-select: none; pointer-events: none; z-index: -1; white-space: nowrap;
  animation: ghost 18s ease-in-out infinite alternate;
}
@keyframes ghost { from { transform: translate(-52%, -50%); } to { transform: translate(-48%, -52%); } }
.hero-copy { position: relative; z-index: 6; }
.pill { display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); font-size: 13px; font-weight: 600; color: #e9dfe1; }
.pill b { width: 8px; height: 8px; border-radius: 50%; background: #3ddc97; box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.7); animation: ping 1.8s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 10px rgba(61, 220, 151, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); } }
h1 { font-size: clamp(40px, 4.7vw, 70px); line-height: 1.02; font-weight: 800; letter-spacing: -0.03em; margin: 22px 0 20px; }
.grad { background: linear-gradient(100deg, var(--red-2), #ffb36b 40%, var(--blue-2)); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shine 7s linear infinite; }
@keyframes shine { to { background-position: 200% center; } }
.lead { max-width: 560px; color: var(--muted); font-size: clamp(16px, 1.5vw, 19px); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 26px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 26px; color: var(--muted); font-size: 14px; }
.hero-meta b { color: var(--text); }

/* phones */
.stage { position: relative; height: min(640px, 76vh); min-height: 460px; perspective: 1400px; }
.phone { position: absolute; top: 50%; left: 50%; will-change: transform; transition: transform 0.25s ease-out; }
.phone-frame {
  margin: 0; position: relative; width: 100%; aspect-ratio: 9 / 20; border-radius: 40px; overflow: hidden;
  background: #000; border: 9px solid #1b1618; outline: 1.5px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.phone-frame::before { content: ''; position: absolute; top: 9px; left: 50%; width: 30%; height: 20px; transform: translateX(-50%); background: #000; border-radius: 99px; z-index: 2; }
.phone-frame img { width: 100%; height: 100%; object-fit: cover; }
.phone-glow { position: absolute; inset: 10% -10%; border-radius: 50%; filter: blur(60px); opacity: 0.55; z-index: -1; }
.glow-red { background: var(--red); } .glow-blue { background: var(--blue); }
.p-center { width: clamp(200px, 17.5vw, 262px); transform: translate(-50%, -50%); z-index: 3; animation: float 7s ease-in-out infinite; }
.p-left { width: clamp(150px, 13.5vw, 204px); transform: translate(-108%, -46%) rotate(-9deg); z-index: 2; animation: float 8s ease-in-out -2s infinite; }
.p-right { width: clamp(150px, 13.5vw, 204px); transform: translate(10%, -46%) rotate(9deg); z-index: 2; animation: float 9s ease-in-out -4s infinite; }
.p-left .phone-frame, .p-right .phone-frame { filter: brightness(0.82); }
@keyframes float { 50% { margin-top: -16px; } }

.chip {
  position: absolute; z-index: 5; display: flex; align-items: center; gap: 11px;
  padding: 10px 16px 10px 12px; border-radius: 16px;
  background: rgba(24, 18, 20, 0.78); backdrop-filter: blur(14px); border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45); transition: transform 0.25s ease-out;
}
.chip i { font-style: normal; font-size: 22px; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: var(--card); }
.chip b { display: block; font-size: 14px; line-height: 1.2; }
.chip small { color: var(--muted); font-size: 12px; }
.chip-a { top: 7%; left: 6%; animation: bob 5s ease-in-out infinite; }
.chip-b { bottom: 14%; right: -2%; animation: bob 6s ease-in-out -1.5s infinite; }
.chip-c { top: 46%; right: -6%; animation: bob 5.5s ease-in-out -3s infinite; }
@keyframes bob { 50% { transform: translateY(-12px); } }

.scroll-cue { position: absolute; bottom: 22px; left: 50%; width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, 0.3); border-radius: 99px; transform: translateX(-50%); }
.scroll-cue span { position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; margin-left: -2px; border-radius: 4px; background: #fff; animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(16px); } }

/* ---------- route ribbon ---------- */
.route { position: relative; max-width: 1200px; margin: 0 auto; padding: 30px clamp(18px, 4vw, 40px) 10px; height: 270px; }
.route-svg { position: absolute; inset: 10px 0 auto; width: 100%; height: 130px; overflow: visible; }
.route-svg path { animation: dash 2.4s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -32; } }
.packet {
  position: absolute; top: 0; left: 0; width: 22px; height: 22px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.14), 0 0 30px 6px rgba(255, 140, 120, 0.7);
  offset-path: path('M0 100 C 150 10, 260 10, 400 80 S 640 130, 780 70 S 1040 5, 1200 50');
  offset-rotate: 0deg; animation: travel 9s linear infinite;
}
@keyframes travel { from { offset-distance: 0%; } to { offset-distance: 100%; } }
.route-stops { position: absolute; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 0 clamp(18px, 4vw, 40px); }
.stop { text-align: center; padding: 14px 10px; border-radius: 18px; border: 1px solid var(--line); background: var(--card); backdrop-filter: blur(6px); transition: transform 0.3s var(--ease), border-color 0.3s; }
.stop:hover { transform: translateY(-6px); border-color: rgba(255, 255, 255, 0.25); }
.stop span { font-size: 26px; display: block; }
.stop b { display: block; font-size: 16px; }
.stop small { color: var(--muted); font-size: 12.5px; }

/* ---------- stats ---------- */
.stats { max-width: 1100px; margin: 60px auto 20px; padding: 0 clamp(18px, 4vw, 40px); display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { padding: 22px 18px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.stat b { display: block; font-size: clamp(30px, 4vw, 46px); font-weight: 800; letter-spacing: -0.02em; background: linear-gradient(120deg, #fff, var(--red-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat:nth-child(even) b { background: linear-gradient(120deg, #fff, var(--blue-2)); -webkit-background-clip: text; background-clip: text; }
.stat span { color: var(--muted); font-size: 14px; }

/* ---------- sections ---------- */
.section { max-width: 1200px; margin: 0 auto; padding: 110px clamp(18px, 4vw, 40px) 0; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--red-2); margin-bottom: 14px; }
h2 { font-size: clamp(30px, 4.4vw, 52px); line-height: 1.08; letter-spacing: -0.025em; font-weight: 800; }
.sub { color: var(--muted); margin-top: 14px; font-size: 15px; }

.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.app-card, .dl-card, .feat { position: relative; border-radius: 28px; border: 1px solid var(--line); background: var(--card); overflow: hidden; transform-style: preserve-3d; }
.app-card { padding: 32px; display: flex; flex-direction: column; gap: 22px; }
.app-card::before, .dl-card::before { content: ''; position: absolute; inset: -40% -20% auto auto; width: 70%; aspect-ratio: 1; border-radius: 50%; filter: blur(80px); opacity: 0.35; pointer-events: none; }
.app-red::before, .dl-red::before { background: var(--red); }
.app-blue::before, .dl-blue::before { background: var(--blue); }
.app-top { display: flex; align-items: center; gap: 16px; }
.app-top img, .dl-info img { border-radius: 14px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4); }
.app-top h3 { font-size: 22px; }
.app-top p { color: var(--muted); font-size: 14px; }
.checks { display: grid; gap: 11px; }
.checks li { position: relative; padding-left: 30px; color: #dcd3d5; font-size: 15px; }
.checks li::before { content: ''; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--red-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff6a5e' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat; }
.app-blue .checks li::before { background: var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236f9bff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat; }
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 4px 0; }
.shots img { border-radius: 18px; border: 4px solid #1b1618; aspect-ratio: 9 / 20; object-fit: cover; transition: transform 0.5s var(--ease); box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45); }
.shots img:nth-child(1) { transform: translateY(14px) rotate(-2deg); }
.shots img:nth-child(3) { transform: translateY(14px) rotate(2deg); }
.app-card:hover .shots img:nth-child(2) { transform: translateY(-10px); }
.app-card:hover .shots img:nth-child(1) { transform: translateY(2px) rotate(-5deg); }
.app-card:hover .shots img:nth-child(3) { transform: translateY(2px) rotate(5deg); }
.app-card .btn { align-self: flex-start; margin-top: 8px; }

/* features */
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feat { padding: 28px; transition: border-color 0.3s, background 0.3s; }
.feat:hover { border-color: rgba(255, 255, 255, 0.22); background: rgba(255, 255, 255, 0.06); }
.feat h3 { font-size: 19px; margin: 18px 0 8px; }
.feat p { color: var(--muted); font-size: 15px; }
.ico { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; }
.ico svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.ico-red { background: var(--red-soft); color: var(--red-2); }
.ico-blue { background: var(--blue-soft); color: var(--blue-2); }
.feat:hover .ico { animation: wiggle 0.7s var(--ease); }
@keyframes wiggle { 30% { transform: rotate(-10deg) scale(1.1); } 60% { transform: rotate(6deg) scale(1.05); } }

/* steps */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; padding-top: 36px; }
.steps-line { position: absolute; top: 22px; left: 6%; right: 6%; height: 3px; border-radius: 3px; background: var(--line); }
.steps-line i { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg, var(--red), var(--blue)); box-shadow: 0 0 18px rgba(255, 106, 94, 0.6); transition: width 0.2s linear; }
.step { position: relative; padding: 4px 6px; }
.num { position: absolute; top: -50px; left: 0; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; background: var(--bg-2); border: 2px solid var(--line); transition: background 0.4s, border-color 0.4s, transform 0.4s var(--ease); }
.step.active .num { background: linear-gradient(135deg, var(--red), var(--blue)); border-color: transparent; transform: scale(1.12); box-shadow: 0 8px 22px rgba(120, 90, 200, 0.5); }
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* languages */
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); border-block: 1px solid var(--line); padding: 26px 0; }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 28s linear infinite; }
.marquee-track span { font-size: clamp(34px, 6vw, 72px); font-weight: 800; letter-spacing: -0.02em; color: transparent; -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.5); white-space: nowrap; transition: color 0.3s; }
.marquee-track span:nth-child(odd) { -webkit-text-stroke-color: rgba(255, 106, 94, 0.8); }
.marquee-track span:nth-child(even) { -webkit-text-stroke-color: rgba(111, 155, 255, 0.85); }
.marquee:hover .marquee-track { animation-play-state: paused; }
.dv { font-family: 'Noto Sans Devanagari', inherit; } .kn { font-family: 'Noto Sans Kannada', inherit; } .ta { font-family: 'Noto Sans Tamil', inherit; } .te { font-family: 'Noto Sans Telugu', inherit; }
@keyframes marquee { to { transform: translateX(calc(-100% / 3)); } }
.langs-note { text-align: center; color: var(--muted); margin-top: 22px; }

/* download */
.dl-card { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; padding: 30px; }
.qr-wrap { position: relative; padding: 14px; border-radius: 22px; background: #fff; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45); overflow: hidden; }
.qr { width: 176px; height: 176px; }
.qr svg { width: 100%; height: 100%; display: block; }
.scan { position: absolute; left: 0; right: 0; top: 0; height: 36px; background: linear-gradient(180deg, transparent, rgba(229, 52, 43, 0.35)); border-bottom: 2px solid var(--red); animation: scan 2.8s ease-in-out infinite; }
.dl-blue .scan { background: linear-gradient(180deg, transparent, rgba(31, 94, 255, 0.35)); border-color: var(--blue); }
@keyframes scan { 0%, 100% { transform: translateY(-40px); } 50% { transform: translateY(210px); } }
.dl-info { display: grid; gap: 10px; position: relative; }
.dl-info h3 { font-size: 21px; }
.dl-info p { color: var(--muted); font-size: 14px; }
.copy { background: none; border: 0; color: var(--muted); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; padding: 4px; justify-self: start; text-decoration: underline; text-underline-offset: 3px; }
.copy:hover { color: var(--text); }
.install { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; }
.install li { display: flex; gap: 14px; align-items: center; padding: 16px 18px; border-radius: 18px; border: 1px solid var(--line); background: var(--card); color: #dcd3d5; font-size: 14.5px; }
.install b { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--red), var(--blue)); font-size: 14px; }

/* faq */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 18px; background: var(--card); padding: 0 22px; transition: background 0.3s, border-color 0.3s; }
details[open] { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.2); }
summary { list-style: none; cursor: pointer; padding: 20px 0; font-weight: 700; font-size: 17px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-size: 26px; font-weight: 400; color: var(--red-2); transition: transform 0.35s var(--ease); }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); padding-bottom: 20px; animation: open 0.4s var(--ease); }
@keyframes open { from { opacity: 0; transform: translateY(-6px); } }

/* footer */
.footer { margin-top: 120px; padding: 48px 20px 60px; text-align: center; display: grid; gap: 12px; justify-items: center; border-top: 1px solid var(--line); background: linear-gradient(180deg, transparent, rgba(229, 52, 43, 0.06)); }
.footer p { color: var(--muted); }
.footer small { color: #6f6568; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 100px; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .lead { margin-inline: auto; }
  .cta, .hero-meta { justify-content: center; }
  .stage { height: 520px; }
  .duo { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 56px; }
  .steps-line { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .grid, .install { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stage { height: 460px; }
  .p-left { transform: translate(-112%, -44%) rotate(-9deg); width: 150px; }
  .p-right { transform: translate(12%, -44%) rotate(9deg); width: 150px; }
  .p-center { width: 200px; }
  .chip-a { left: 0; top: 4%; } .chip-b { right: 0; } .chip-c { display: none; }
  .route { height: 260px; }
  .route-stops { grid-template-columns: 1fr; gap: 8px; }
  .route-stops .stop { display: flex; align-items: center; gap: 12px; padding: 8px 14px; text-align: left; }
  .route-stops .stop small { display: none; }
  .route-svg, .packet { display: none; }
  .dl-card { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .dl-info { justify-items: center; }
  .copy { justify-self: center; }
  .app-card { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

.toast { position: fixed; left: 50%; bottom: 28px; z-index: 80; transform: translate(-50%, 30px); opacity: 0; padding: 12px 20px; border-radius: 14px; background: rgba(28, 21, 24, 0.95); border: 1px solid var(--line); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5); font-weight: 600; font-size: 14px; transition: opacity 0.35s, transform 0.35s var(--ease); pointer-events: none; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }