/* ============================================================
   GridSentinel — Website styles
   Tokens ported from the GridSentinel design system.
   ============================================================ */

/* Fonts load from Google Fonts (see <link> in the HTML head), matching the
   existing site, so nothing 404s if the local ttf isn't shipped. */

:root {
  --bg:#080C10; --surface:#0E1419; --surface-2:#11181F;
  --border:rgba(255,255,255,0.07); --border-2:rgba(255,255,255,0.12);
  --accent:#00D4E5; --accent-dim:rgba(0,212,229,0.12); --accent-soft:rgba(0,212,229,0.22);
  --blue:#3B82F6; --amber:#F5A623; --error:#EF4444;
  --purple:#A78BFA; --green:#4ADE80; --solar:#FBBF24;
  /* --fg3 lifted from #3D4F5E to #647888 so small secondary text (compatibility
     line, trial terms, footer) clears WCAG AA 4.5:1 on the near-black bg. */
  --fg:#F0F4F8; --fg2:#7A8A99; --fg3:#647888;
  --mono:'Electrolize', ui-sans-serif, system-ui, sans-serif;
  --display:'Michroma', 'Electrolize', sans-serif;
  --maxw:1140px;
  --ease:cubic-bezier(0,0,0.2,1);
  --ease-back:cubic-bezier(0.34,1.56,0.64,1);
}

* , *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; scroll-padding-top:80px; }
body {
  background:var(--bg); color:var(--fg); font-family:var(--mono);
  font-weight:400; line-height:1.6; -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
#root { overflow-x:clip; }
a { color:inherit; text-decoration:none; }
img { display:block; }
::selection { background:var(--accent-soft); color:#fff; }

/* scrollbar */
::-webkit-scrollbar { width:10px; height:10px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:#1b2832; border-radius:6px; }
::-webkit-scrollbar-thumb:hover { background:#243441; }

/* ---- typography helpers ---- */
.wordmark { font-family:var(--display); font-weight:800; letter-spacing:-0.04em; color:var(--fg); }
.wordmark .ac { color:var(--accent); }
.eyebrow {
  font-family:var(--mono); font-size:0.72rem; letter-spacing:0.22em; text-transform:uppercase;
  color:var(--accent); display:inline-flex; align-items:center; gap:10px;
}
.eyebrow.muted { color:var(--fg3); }
.eyebrow::before { content:''; width:26px; height:1px; background:currentColor; opacity:0.6; }
.display {
  font-family:var(--display); font-weight:800; letter-spacing:-0.04em; line-height:1.02;
  text-wrap:balance;
}
.lead { color:var(--fg2); font-weight:300; line-height:1.7; text-wrap:pretty; }
.label-caps {
  font-family:var(--mono); font-size:0.7rem; font-weight:500; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--fg2);
}
.tnum { font-variant-numeric:tabular-nums; }

/* ---- layout ---- */
.wrap { max-width:var(--maxw); margin:0 auto; padding:0 28px; width:100%; }
section { position:relative; }
.divider { height:1px; background:var(--border); max-width:var(--maxw); margin:0 auto; }

/* ---- grid backdrop ---- */
.grid-bg {
  position:absolute; inset:0; pointer-events:none; z-index:0;
  background-image:
    linear-gradient(rgba(0,212,229,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,229,0.035) 1px, transparent 1px);
  background-size:62px 62px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 78%);
}

/* ============================================================ NAV */
.nav {
  position:fixed; top:0; left:0; right:0; z-index:100;
  transition:background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled {
  background:rgba(8,12,16,0.82); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:68px; }
.nav-logo { display:flex; align-items:center; gap:11px; }
.nav-logo .mark { width:30px; height:30px; }
.nav-logo .wordmark { font-size:1.12rem; }
.nav-links { display:flex; align-items:center; gap:34px; }
.nav-links a {
  font-size:0.86rem; color:var(--fg2); letter-spacing:0.01em; transition:color .15s var(--ease);
  position:relative;
}
.nav-links a:hover { color:var(--fg); }
.nav-cta { display:flex; align-items:center; gap:14px; }
@media (max-width:880px){ .nav-links{ display:none; } }
/* On phones the wordmark + CTA + hamburger overflow and overlap; drop the in-nav
   Download button (the mobile menu already has a "Download app" link). */
@media (max-width:600px){ .nav-cta .btn-primary{ display:none; } }

/* ---- buttons ---- */
.btn {
  font-family:var(--mono); font-weight:500; font-size:0.9rem; letter-spacing:0.01em;
  border-radius:6px; padding:0.7rem 1.3rem; cursor:pointer; border:1px solid transparent;
  display:inline-flex; align-items:center; gap:9px; transition:all .15s var(--ease); white-space:nowrap;
}
.btn-primary { background:var(--accent); color:#04222a; box-shadow:0 0 0 0 var(--accent-soft); }
.btn-primary:hover { box-shadow:0 6px 24px -6px rgba(0,212,229,0.5); transform:translateY(-1px); }
.btn-ghost { background:transparent; color:var(--fg); border-color:var(--border-2); }
.btn-ghost:hover { border-color:var(--accent-soft); color:var(--accent); }
.btn-lg { padding:0.95rem 1.7rem; font-size:0.98rem; }

/* app store badges */
.store-badges { display:flex; gap:14px; flex-wrap:wrap; }
.store-badge {
  display:flex; align-items:center; gap:11px; padding:0.62rem 1.05rem; border-radius:10px;
  background:var(--surface); border:1px solid var(--border); transition:all .18s var(--ease);
}
.store-badge:hover { border-color:var(--border-2); background:var(--surface-2); transform:translateY(-1px); }
.store-badge svg { width:24px; height:24px; flex:none; display:block; }
.store-badge .sb-txt { display:flex; flex-direction:column; line-height:1.15; }
.store-badge .sb-small { font-size:0.6rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--fg2); }
.store-badge .sb-big { font-size:1rem; color:var(--fg); font-weight:500; letter-spacing:0.01em; }

/* ============================================================ DEVICE FRAME — iPhone */
.device {
  position:relative; aspect-ratio:1320/2868;
  border-radius:14.2%/6.5%;
  padding:2.1%;
  background:
    linear-gradient(115deg, #23282c 0%, #3a4146 9%, #14181b 24%, #0d1013 50%, #14181b 76%, #3a4146 91%, #23282c 100%);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.85),
    inset 0 0 0 1px rgba(255,255,255,0.10),
    inset 0 1px 1px rgba(255,255,255,0.16),
    0 36px 70px -28px rgba(0,0,0,0.85);
}
.device > .device-screen, .device img.device-img {
  width:100%; height:100%; display:block;
}
.device img.device-img {
  object-fit:cover; border-radius:11.6%/5.3%;
  box-shadow:0 0 0 1px #000;
}
.device.flush img.device-img { object-position:top; }
/* side buttons */
.device .ip-btn { position:absolute; background:linear-gradient(180deg,#2b3236,#0e1214); border-radius:2px; }
.device .ip-btn.left { left:-1.4%; box-shadow:-1px 0 1px rgba(0,0,0,0.6), inset 1px 0 1px rgba(255,255,255,0.12); }
.device .ip-btn.right { right:-1.4%; box-shadow:1px 0 1px rgba(0,0,0,0.6), inset -1px 0 1px rgba(255,255,255,0.12); }
.device .ip-action { top:20%; height:4.4%; width:1.5%; }
.device .ip-volup  { top:28%; height:7.2%; width:1.5%; }
.device .ip-voldn  { top:37%; height:7.2%; width:1.5%; }
.device .ip-power  { top:26%; height:11%; width:1.5%; }

/* glow halo behind a featured phone */
.phone-halo { position:relative; }
.phone-halo::before {
  content:''; position:absolute; inset:-12% -8%; z-index:-1; border-radius:50%;
  background:radial-gradient(ellipse at 50% 40%, rgba(0,212,229,0.16), transparent 62%);
  filter:blur(14px);
}

/* ============================================================ HERO */
.hero { padding:120px 0 80px; position:relative; overflow:hidden; }
.hero-grid { display:grid; grid-template-columns:1.05fr 0.95fr; gap:48px; align-items:center; position:relative; z-index:2; }
.hero h1 { font-size:clamp(2.5rem,5.4vw,4.15rem); margin:22px 0 0; }
.hero h1 .ac { color:var(--accent); }
.hero-sub { font-size:1.12rem; max-width:480px; margin-top:22px; }
.hero-actions { display:flex; flex-direction:column; gap:18px; margin-top:34px; }
.hero-note { font-size:0.76rem; color:var(--fg3); letter-spacing:0.04em; display:flex; align-items:center; gap:8px; }
.hero-note .tick { color:var(--accent); }
.hero-phone-col { display:flex; justify-content:center; position:relative; }
.hero-phone-col .device { width:min(300px,80%); }

.status-pill {
  display:inline-flex; align-items:center; gap:9px; padding:7px 15px; border-radius:20px;
  background:var(--accent-dim); border:1px solid var(--accent-soft);
  font-size:0.7rem; letter-spacing:0.16em; text-transform:uppercase; color:var(--accent); font-weight:500;
}
.pulse-dot { width:7px; height:7px; border-radius:50%; background:var(--accent);
  box-shadow:0 0 0 0 rgba(0,212,229,0.6); animation:gsPulse 2.4s var(--ease) infinite; }
@keyframes gsPulse {
  0%,100%{ transform:scale(1); box-shadow:0 0 8px 1px rgba(0,212,229,0.55); }
  50%{ transform:scale(1.25); box-shadow:0 0 16px 4px rgba(0,212,229,0.2); }
}

/* hero variant B (data-led) */
.hero-b { text-align:center; }
.hero-b .hero-inner { max-width:860px; margin:0 auto; display:flex; flex-direction:column; align-items:center; position:relative; z-index:2; }
.hero-b h1 { font-size:clamp(2.6rem,6vw,4.6rem); }
.hero-b .hero-sub { margin-left:auto; margin-right:auto; text-align:center; }
.hero-b .hero-actions { align-items:center; }
.hero-b-chart { width:100%; max-width:1040px; margin:54px auto 0; position:relative; z-index:2; }
.hero-b-phones { display:flex; justify-content:center; gap:24px; margin-top:-40px; position:relative; z-index:3; }
.hero-b-phones .device { width:230px; }
.hero-b-phones .device:nth-child(1){ transform:translateY(28px) rotate(-4deg); }
.hero-b-phones .device:nth-child(2){ transform:translateY(-6px) scale(1.04); z-index:2; }
.hero-b-phones .device:nth-child(3){ transform:translateY(28px) rotate(4deg); }

/* hero variant C (split panels) */
.hero-c-grid { display:grid; grid-template-columns:1fr 1fr; gap:0; align-items:stretch; position:relative; z-index:2; min-height:560px; }
.hero-c-left { display:flex; flex-direction:column; justify-content:center; padding:20px 56px 20px 0; }
.hero-c-right {
  position:relative; border-left:1px solid var(--border); padding-left:56px;
  display:flex; align-items:center; justify-content:center; gap:22px; overflow:hidden;
}
.hero-c-right .device { width:228px; }
.hero-c-right .device:nth-child(2){ margin-top:80px; }
@media (max-width:880px){
  .hero-c-grid{ grid-template-columns:1fr; }
  .hero-c-right{ border-left:none; padding-left:0; margin-top:40px; }
}

/* chart card */
.chart-card {
  background:var(--surface); border:1px solid var(--border); border-radius:16px;
  padding:22px 24px 16px; position:relative;
}
.chart-card .cc-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:6px; flex-wrap:wrap; gap:10px; }
.chart-card .cc-legend { display:flex; gap:20px; align-items:center; }
.chart-card .cc-legend span { display:inline-flex; align-items:center; gap:7px; font-size:0.74rem; color:var(--fg2); letter-spacing:0.04em; }
.chart-card .cc-legend .sw { width:16px; height:3px; border-radius:2px; }
.cc-now { font-size:0.7rem; color:var(--fg3); letter-spacing:0.1em; text-transform:uppercase; }

/* chart draw-on animation (fires when card revealed) */
.chart-line { stroke-dasharray:1; stroke-dashoffset:1; }
.chart-area { opacity:0; }
.chart-dot, .chart-dot-ring { opacity:0; }
.chart-dot-ring { transform-box:fill-box; transform-origin:center; }
.chart-card.in .cl-feed { animation:gsDraw 1.5s var(--ease) .15s forwards; }
.chart-card.in .cl-buy { animation:gsDraw 1.5s var(--ease) .35s forwards; }
.chart-card.in .chart-area { animation:gsFade .9s var(--ease) 1s forwards; }
.chart-card.in .chart-dot { animation:gsFade .4s var(--ease) 1.5s forwards; }
.chart-card.in .chart-dot-ring { animation:gsPing 2s var(--ease) 1.6s infinite; }
@keyframes gsDraw { to { stroke-dashoffset:0; } }
@keyframes gsFade { from{opacity:0;} to{opacity:1;} }
@keyframes gsPing { 0%{ transform:scale(1); opacity:0.8; } 70%,100%{ transform:scale(2.6); opacity:0; } }
@media (prefers-reduced-motion:reduce){
  .chart-line{ stroke-dashoffset:0; } .chart-area,.chart-dot{ opacity:1; }
}

/* ============================================================ TICKER */
.ticker {
  width:100%; padding:0.9rem 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  overflow:hidden; position:relative;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image:linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.ticker-track { display:flex; gap:2.6rem; width:max-content; animation:gsTicker 34s linear infinite; }
.ticker:hover .ticker-track { animation-play-state:paused; }
.ticker-item { display:flex; align-items:center; gap:9px; font-size:0.74rem; color:var(--fg3); white-space:nowrap; letter-spacing:0.07em; text-transform:uppercase; }
.ticker-item .d { width:5px; height:5px; border-radius:50%; background:var(--accent); opacity:0.55; }
.ticker-item .v { color:var(--accent); font-variant-numeric:tabular-nums; }
.ticker-item .v.amber { color:var(--amber); }
@keyframes gsTicker { from{ transform:translateX(0);} to{ transform:translateX(-33.333%);} }

/* ============================================================ SECTION HEADERS */
.sec { padding:104px 0; position:relative; }
.sec-head { max-width:680px; }
.sec-head.center { margin:0 auto; text-align:center; }
.sec-head h2 { font-family:var(--display); font-weight:800; letter-spacing:-0.035em; font-size:clamp(1.9rem,3.6vw,2.9rem); line-height:1.08; margin:18px 0 0; }
.sec-head p { margin-top:20px; font-size:1.05rem; }

/* ============================================================ HOW IT WORKS — modes */
.how-grid { display:grid; grid-template-columns:0.92fr 1.08fr; gap:64px; align-items:center; margin-top:64px; }
.how-grid.rev { grid-template-columns:1.08fr 0.92fr; }
.steps { display:flex; flex-direction:column; gap:0; }
.step { display:flex; gap:20px; padding:22px 0; border-top:1px solid var(--border); }
.step:last-child { border-bottom:1px solid var(--border); }
.step-num { font-family:var(--display); font-size:0.95rem; color:var(--fg3); letter-spacing:-0.02em; padding-top:2px; min-width:30px; }
.step h3 { font-size:1.12rem; font-weight:500; letter-spacing:-0.01em; }
.step p { color:var(--fg2); font-size:0.92rem; margin-top:6px; font-weight:300; }

.modes { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:60px; }
.mode-card {
  background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:24px;
  position:relative; overflow:hidden; transition:border-color .2s var(--ease), transform .2s var(--ease);
}
.mode-card:hover { border-color:var(--border-2); transform:translateY(-2px); }
.mode-card .badge {
  display:inline-flex; align-items:center; gap:8px; padding:5px 12px; border-radius:8px;
  font-size:0.72rem; font-weight:600; letter-spacing:0.12em; text-transform:uppercase;
}
.mode-card .mc-icon { position:absolute; top:22px; right:22px; opacity:0.5; }
.mode-card h3 { font-size:1.15rem; font-weight:500; margin-top:18px; letter-spacing:-0.01em; }
.mode-card p { color:var(--fg2); font-size:0.92rem; margin-top:8px; font-weight:300; }
.mode-card .mc-bar { height:2px; width:100%; margin-top:18px; border-radius:2px; opacity:0.65; }

.b-export { color:#0b0a16; background:var(--purple); border:1px solid var(--purple); }
.b-charge { color:#04131f; background:var(--blue); border:1px solid var(--blue); }
.b-curtail { color:#1f1402; background:var(--amber); border:1px solid var(--amber); }
.b-self { color:var(--accent); background:transparent; border:1px solid var(--accent); }

/* ============================================================ FEATURES */
.feat { display:grid; grid-template-columns:1fr 1fr; gap:72px; align-items:center; margin-top:56px; }
.feat.rev .feat-text { order:2; }
.feat.rev .feat-media { order:1; }
.feat-media { display:flex; justify-content:center; }
.feat-media .device { width:min(300px,82%); }
.feat-text h3 { font-family:var(--display); font-weight:700; font-size:1.7rem; letter-spacing:-0.03em; line-height:1.1; margin-top:16px; }
.feat-text p { color:var(--fg2); font-size:1.02rem; margin-top:18px; font-weight:300; line-height:1.7; }
.feat-list { display:flex; flex-direction:column; gap:14px; margin-top:26px; }
.feat-list li { display:flex; gap:13px; align-items:flex-start; list-style:none; font-size:0.95rem; color:var(--fg2); }
.feat-list .ck { color:var(--accent); flex:none; margin-top:1px; }
.feat-list strong { color:var(--fg); font-weight:500; }

/* feature mini-cards row */
.feat-mini { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:30px; }
.mini { background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:18px; }
.mini .mv { font-family:var(--mono); font-size:1.5rem; font-weight:600; letter-spacing:-0.01em; font-variant-numeric:tabular-nums; }
.mini .mv.ac { color:var(--accent); }
.mini .mv.am { color:var(--amber); }
.mini .ml { font-size:0.72rem; color:var(--fg2); letter-spacing:0.08em; text-transform:uppercase; margin-top:6px; }

/* ============================================================ BATTERIES */
.brand-logo-img { display:block; object-fit:contain; height:56px; max-width:200px; width:auto; }
.brand-wordmark { font-family:var(--mono); font-weight:600; letter-spacing:0.02em; line-height:1; white-space:nowrap; }
.brand-wordmark.bm-tesla { font-weight:500; letter-spacing:0.42em; color:#E82127; padding-left:0.42em; }
.brand-wordmark.bm-sigen { color:#19B5A6; letter-spacing:0.01em; font-weight:600; }
.brand-wordmark.bm-fox   { color:#F0F4F8; font-weight:600; }
.brand-wordmark.bm-fox b { color:#F7901E; font-weight:600; }
.brand-wordmark.bm-amber { color:#00FFA8; letter-spacing:0.01em; font-weight:600; text-transform:lowercase; }

.batt-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:54px; }
.amber-req { margin-top:22px; display:inline-flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:center;
  font-size:0.86rem; color:var(--fg2); letter-spacing:0.02em; padding:9px 18px; border:1px solid var(--border);
  border-radius:24px; background:var(--surface); }
.amber-req .brand-logo-img { height:24px; }
.batt-card {
  background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:34px 28px;
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:18px;
  transition:border-color .2s var(--ease), transform .2s var(--ease);
}
.batt-card:hover { border-color:var(--accent-soft); transform:translateY(-3px); }
.batt-logo { display:inline-flex; align-self:center; align-items:center; justify-content:center;
  min-height:84px; padding:16px 30px; background:#fff; border-radius:14px; }
.batt-icon { width:62px; height:62px; display:flex; align-items:center; justify-content:center;
  border-radius:14px; background:var(--accent-dim); border:1px solid var(--border); }
.batt-card h3 { font-size:1.15rem; font-weight:500; letter-spacing:-0.01em; }
.batt-card p { font-size:0.86rem; color:var(--fg2); font-weight:300; }
.batt-card .tag { font-size:0.66rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--accent);
  padding:4px 11px; border:1px solid var(--accent-soft); border-radius:20px; background:var(--accent-dim); }

/* ============================================================ AUTOMATION TIERS */
.control-grid { display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:center; margin-top:48px; }
.tiers { display:flex; flex-direction:column; gap:12px; }
.tier { display:flex; gap:16px; align-items:flex-start; background:var(--surface); border:1px solid var(--border);
  border-radius:14px; padding:20px 22px; transition:border-color .2s var(--ease), transform .2s var(--ease); }
.tier:hover { border-color:var(--border-2); transform:translateY(-2px); }
.tier-ico { width:40px; height:40px; flex:none; border-radius:10px; display:flex; align-items:center; justify-content:center;
  background:var(--accent-dim); color:var(--accent); border:1px solid var(--accent-soft); }
.tier-body { flex:1; }
.tier-head { display:flex; align-items:center; gap:12px; }
.tier-head h3 { font-size:1.08rem; font-weight:500; letter-spacing:-0.01em; }
.tier-badge { font-size:0.62rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--accent);
  padding:3px 9px; border:1px solid var(--accent-soft); border-radius:20px; background:var(--accent-dim); }
.tier p { color:var(--fg2); font-size:0.92rem; margin-top:7px; font-weight:300; line-height:1.6; }
.observe { display:flex; gap:14px; align-items:flex-start; padding:18px 20px; border-radius:14px;
  background:rgba(0,212,229,0.05); border:1px dashed var(--accent-soft); margin-top:4px; }
.observe-ico { color:var(--accent); flex:none; margin-top:1px; }
.observe p { color:var(--fg2); font-size:0.9rem; font-weight:300; line-height:1.6; }
.observe strong { color:var(--fg); font-weight:500; }
.control-grid .feat-media .device { width:min(290px,80%); }
.guards-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:52px; }
@media (max-width:880px){ .control-grid{ grid-template-columns:1fr; gap:40px; } .guards-grid{ grid-template-columns:1fr; } }

/* ============================================================ SAFETY */
.safety-grid { display:grid; grid-template-columns:0.95fr 1.05fr; gap:64px; align-items:center; margin-top:56px; }
.guards { display:flex; flex-direction:column; gap:14px; margin-top:8px; }
.guard {
  background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:20px 22px;
  display:flex; gap:16px; align-items:flex-start; transition:border-color .2s var(--ease);
}
.guard:hover { border-color:var(--border-2); }
.guard-ico { width:38px; height:38px; flex:none; border-radius:10px; display:flex; align-items:center; justify-content:center;
  background:var(--accent-dim); color:var(--accent); border:1px solid var(--accent-soft); }
.guard h3 { font-size:1.02rem; font-weight:500; }
.guard p { color:var(--fg2); font-size:0.9rem; margin-top:5px; font-weight:300; }

/* ============================================================ PRICING */
.price-wrap { max-width:880px; margin:56px auto 0; }
.price-toggle { display:flex; justify-content:center; margin-bottom:34px; }
.seg {
  display:inline-flex; background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:5px; gap:4px;
}
.seg button {
  font-family:var(--mono); font-size:0.86rem; letter-spacing:0.02em; color:var(--fg2);
  background:transparent; border:none; padding:0.6rem 1.4rem; border-radius:8px; cursor:pointer;
  transition:all .2s var(--ease); display:inline-flex; align-items:center; gap:8px;
}
.seg button.on { background:var(--accent); color:#04222a; font-weight:500; }
.seg .save-pill { font-size:0.62rem; letter-spacing:0.08em; padding:2px 7px; border-radius:10px;
  background:rgba(74,222,128,0.16); color:var(--green); }
.seg button.on .save-pill { background:rgba(4,34,42,0.2); color:#04222a; }

.price-card {
  background:linear-gradient(180deg, rgba(0,212,229,0.05), var(--surface) 40%);
  border:1px solid var(--accent-soft); border-radius:20px; padding:44px; position:relative;
  display:grid; grid-template-columns:1fr 1px 1fr; gap:40px; align-items:center;
}
.price-amount { display:flex; flex-direction:column; gap:4px; }
.price-amount .pa-row { display:flex; align-items:baseline; gap:8px; }
.price-amount .pa-big { font-family:var(--mono); font-size:3.6rem; font-weight:700; letter-spacing:-0.02em; font-variant-numeric:tabular-nums; line-height:1; }
.price-amount .pa-per { color:var(--fg2); font-size:1rem; }
.price-amount .pa-sub { color:var(--fg2); font-size:0.86rem; font-weight:300; margin-top:8px; }
.price-amount .pa-sub .ac { color:var(--green); }
.price-vline { width:1px; background:var(--border); align-self:stretch; }
.price-feats { display:flex; flex-direction:column; gap:13px; }
.price-feats li { list-style:none; display:flex; gap:12px; align-items:flex-start; font-size:0.92rem; color:var(--fg2); }
.price-feats .ck { color:var(--accent); flex:none; margin-top:1px; }
.price-feats strong { color:var(--fg); font-weight:500; }
.price-cta { margin-top:34px; display:flex; flex-direction:column; align-items:center; gap:14px; }
.price-foot { text-align:center; color:var(--fg3); font-size:0.78rem; margin-top:22px; letter-spacing:0.03em; }

/* ============================================================ CTA band */
.cta-band { padding:108px 0; position:relative; overflow:hidden; text-align:center; }
.cta-inner { position:relative; z-index:2; max-width:720px; margin:0 auto; display:flex; flex-direction:column; align-items:center; }
.cta-band h2 { font-family:var(--display); font-weight:800; letter-spacing:-0.035em; font-size:clamp(2.1rem,4.4vw,3.3rem); line-height:1.05; }
.cta-band p { color:var(--fg2); font-size:1.1rem; margin-top:20px; font-weight:300; max-width:520px; }
.cta-band .store-badges { margin-top:38px; justify-content:center; }
.cta-glow { position:absolute; left:50%; top:42%; width:760px; height:380px; transform:translate(-50%,-50%);
  background:radial-gradient(ellipse, rgba(0,212,229,0.13), transparent 66%); filter:blur(20px); pointer-events:none; z-index:1; }

/* ============================================================ FOOTER */
.foot { border-top:1px solid var(--border); padding:56px 0 40px; }
.foot-top { display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:40px; padding-bottom:44px; }
.foot-brand .wordmark { font-size:1.2rem; }
.foot-brand p { color:var(--fg2); font-size:0.86rem; margin-top:18px; max-width:280px; font-weight:300; line-height:1.7; }
.foot-col h5 { font-size:0.7rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--fg3); margin-bottom:16px; }
.foot-col a { display:block; color:var(--fg2); font-size:0.88rem; padding:6px 0; transition:color .15s var(--ease); }
.foot-col a:hover { color:var(--accent); }
.foot-bot { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:14px;
  padding-top:28px; border-top:1px solid var(--border); }
.foot-bot .legal { font-size:0.74rem; color:var(--fg3); letter-spacing:0.04em; }
.foot-bot .made { font-size:0.74rem; color:var(--fg3); letter-spacing:0.04em; }
.foot-tm { margin-top:20px; font-size:0.68rem; line-height:1.7; color:var(--fg3); opacity:0.78; max-width:920px; letter-spacing:0.02em; }
@media (max-width:880px){ .foot-top{ grid-template-columns:1fr 1fr; } }

/* ============================================================ reveal on scroll */
.reveal { opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .ticker-track, .pulse-dot { animation:none !important; }
  html{ scroll-behavior:auto; }
}

/* tweak toggles */
body.no-grid .grid-bg { display:none; }
body.no-ticker .ticker { display:none; }

/* ============================================================ responsive */
@media (max-width:980px){
  .hero-grid{ grid-template-columns:1fr; gap:40px; }
  .hero-phone-col{ order:-1; }
  .how-grid, .how-grid.rev, .feat, .feat.rev, .safety-grid { grid-template-columns:1fr; gap:44px; }
  .feat.rev .feat-text, .feat.rev .feat-media { order:initial; }
  .modes{ grid-template-columns:1fr; }
  .batt-grid{ grid-template-columns:1fr; }
  .price-card{ grid-template-columns:1fr; gap:28px; }
  .price-vline{ display:none; }
  .feat-mini{ grid-template-columns:repeat(3,1fr); }
}
@media (max-width:560px){
  .wrap{ padding:0 20px; }
  .sec{ padding:74px 0; }
  .feat-mini{ grid-template-columns:1fr; }
  .price-card{ padding:30px 24px; }
}

/* ============================================================ keyboard focus (was missing) */
:focus-visible { outline:2px solid var(--accent); outline-offset:3px; border-radius:4px; }
.btn:focus-visible, .store-badge:focus-visible, .seg button:focus-visible,
.nav-links a:focus-visible, .foot-col a:focus-visible { outline:2px solid var(--accent); outline-offset:3px; }

/* ============================================================ mobile nav (was missing below 880px) */
.nav-toggle{
  display:none; width:44px; height:44px; align-items:center; justify-content:center;
  background:transparent; border:1px solid var(--border-2); border-radius:10px;
  color:var(--fg); cursor:pointer;
}
.nav-mobile{ display:none; }
@media (max-width:880px){
  .nav-toggle{ display:inline-flex; }
  .nav-mobile{
    position:fixed; left:0; right:0; top:68px; z-index:99; display:block;
    background:rgba(8,12,16,0.97); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
    max-height:0; overflow:hidden; transition:max-height .3s var(--ease);
  }
  .nav-mobile.open{ max-height:380px; }
  .nav-mobile a{ display:block; padding:15px 28px; color:var(--fg2); font-size:1rem; border-top:1px solid var(--border); }
  .nav-mobile a:first-child{ border-top:none; }
  .nav-mobile a:hover, .nav-mobile a:focus-visible{ color:var(--fg); background:var(--surface); }
}
@media (prefers-reduced-motion:reduce){ .nav-mobile{ transition:none; } }

/* hero compatibility link (jumps to Batteries) */
.hero-link{ cursor:pointer; color:var(--accent); transition:opacity .15s var(--ease); }
.hero-link:hover{ opacity:0.8; text-decoration:underline; }

/* official store badges (Apple + Google official assets, used unmodified).
   Both SVGs are full-bleed lockups (the pill fills the viewBox), so they share
   one rendered height. */
.app-badge{ display:inline-flex; align-items:center; transition:opacity .15s var(--ease); }
.app-badge:hover{ opacity:0.85; }
.badge-apple, .badge-google{ height:44px; width:auto; display:block; }

/* batteries: pronounced coupling caveat callout */
.batt-callout{ max-width:640px; margin:40px auto 0; display:flex; gap:13px; align-items:flex-start;
  padding:16px 20px; border-radius:14px; background:rgba(0,212,229,0.05); border:1px dashed var(--accent-soft); text-align:left; }
.batt-callout .ico{ color:var(--accent); flex:none; margin-top:1px; }
.batt-callout p{ color:var(--fg2); font-size:0.9rem; font-weight:300; line-height:1.6; }
.batt-callout strong{ color:var(--fg); font-weight:500; }

/* framed iPhone mockups (real device bezel, baked into the image) */
.phone-shot{ display:block; width:100%; height:auto; }
.hero-phone-col .phone-framed{ width:min(300px,78%); }
.feat-media .phone-framed{ width:min(300px,80%); }
.control-grid .feat-media .phone-framed{ width:min(285px,78%); }

/* pricing: founder offer made prominent */
.founder-ribbon{ position:absolute; top:-15px; left:50%; transform:translateX(-50%);
  background:var(--accent); color:#04222a; font-weight:600; font-size:0.72rem; letter-spacing:0.08em;
  text-transform:uppercase; padding:7px 18px; border-radius:20px; white-space:nowrap;
  box-shadow:0 6px 20px -6px rgba(0,212,229,0.5); }
.pa-lock{ margin-top:10px; color:var(--accent); font-size:0.88rem; font-weight:500; letter-spacing:0.01em; }
@media (max-width:560px){ .founder-ribbon{ font-size:0.64rem; padding:6px 12px; white-space:normal; max-width:90%; text-align:center; } }