/* ============================================================================
   GO NOTIFIER — dark · alive · playful modern-tech. Bright brand colours glow
   against a rich coloured-dark base; big soft gradient orbs drift; sections
   reveal on scroll. Brand = the official logo suite (Signal mark + gonotifier).
   ============================================================================ */
:root {
  /* Brand (canonical logo suite) */
  --teal: #34DBC7;
  --cyan: #2BB6DC;
  --blue: #3B7DF5;          /* solid workhorse: buttons, links, active states */
  --blue-700: #2f6ad8;
  --charcoal: #1B2129;
  --gradient: linear-gradient(135deg, #34DBC7 0%, #2BB6DC 50%, #3B7DF5 100%);  /* signature 3-stop */
  --gradient-2: linear-gradient(135deg, #34DBC7, #3B7DF5);

  /* Coloured-dark surfaces (NOT pitch black — charcoal with blue/teal undertone) */
  --bg: #12181F;
  --surface: #1a222c;       /* cards */
  --surface-2: #222d39;     /* raised / hover */
  --line: rgba(255,255,255,.09);
  --line-strong: rgba(255,255,255,.16);
  --text: #EAF1F8;
  --text-muted: #9caab9;

  /* Type */
  --font: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --t-hero: clamp(2.6rem, 6.2vw, 4.6rem);
  --t-h2: clamp(2rem, 4.2vw, 3rem);
  --t-h3: 1.32rem;
  --t-lead: clamp(1.05rem, 2vw, 1.32rem);

  /* Space + shape */
  --container: 1140px;
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 24px 70px rgba(0,0,0,.45);
  --section-y: clamp(4.5rem, 10vw, 8rem);
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.62;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.025em; font-weight: 700; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.muted { color: var(--text-muted); }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--teal); background: rgba(52,219,199,.10); border: 1px solid rgba(52,219,199,.22);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}

/* ---- Living background: drifting gradient orbs (the "alive" element) ---- */
.orbs { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(95px); opacity: .42; will-change: transform; }
.o1 { width: 56vw; height: 56vw; background: radial-gradient(circle, var(--teal), transparent 68%); top: -14%; left: -8%; animation: drift1 28s var(--ease) infinite alternate; }
.o2 { width: 50vw; height: 50vw; background: radial-gradient(circle, var(--blue), transparent 68%); top: 14%; right: -14%; animation: drift2 34s var(--ease) infinite alternate; }
.o3 { width: 44vw; height: 44vw; background: radial-gradient(circle, var(--cyan), transparent 70%); bottom: -16%; left: 26%; animation: drift3 31s var(--ease) infinite alternate; }
@keyframes drift1 { to { transform: translate(20vw, 9vh) scale(1.2); } }
@keyframes drift2 { to { transform: translate(-17vw, 11vh) scale(1.14); } }
@keyframes drift3 { from { transform: scale(1.06); } to { transform: translate(13vw, -9vh) scale(.88); } }
/* veil keeps text readable over the orbs */
body::before { content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(130% 90% at 50% -10%, transparent 40%, rgba(18,24,31,.62) 100%); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font); font-weight: 600;
  font-size: 1rem; padding: 13px 24px; border-radius: 12px; border: 1.5px solid transparent; cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .25s var(--ease), background .2s, border-color .2s, color .2s;
  white-space: nowrap; position: relative; overflow: hidden;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 26px rgba(59,125,245,.42); }
.btn-primary:hover { background: var(--blue-700); transform: translateY(-2px); box-shadow: 0 14px 38px rgba(59,125,245,.6); }
/* special gradient CTA — glows + shine sweep + magnetic (via JS) */
.btn-gradient { background: var(--gradient); color: #06141a; font-weight: 700;
  box-shadow: 0 0 0 1px rgba(255,255,255,.14) inset, 0 10px 34px rgba(52,180,210,.5); }
.btn-gradient:hover { transform: translateY(-2px) scale(1.025); box-shadow: 0 0 0 1px rgba(255,255,255,.2) inset, 0 18px 50px rgba(52,180,210,.7); }
.btn-gradient::after, .btn-primary::after {
  content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 32%, rgba(255,255,255,.35), transparent 68%);
  transform: translateX(-130%); transition: transform .65s var(--ease);
}
.btn-gradient:hover::after, .btn-primary:hover::after { transform: translateX(130%); }
.btn-ghost { background: rgba(255,255,255,.04); color: var(--text); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); background: rgba(52,219,199,.07); }
.btn-lg { padding: 16px 30px; font-size: 1.08rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(18,24,31,.55);
  backdrop-filter: saturate(150%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .25s, background .25s;
}
.site-header.scrolled { border-color: var(--line); background: rgba(16,21,28,.82); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo-lockup { display: flex; align-items: center; gap: 11px; }
.logo-lockup .mark { width: 38px; height: 38px; overflow: visible; filter: drop-shadow(0 2px 10px rgba(52,180,210,.45)); }
.wordmark { font-size: 1.5rem; letter-spacing: -.025em; font-weight: 600; display: flex; }
.wordmark .go { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.wordmark .notifier { color: #fff; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a.navlink { color: var(--text); font-weight: 500; font-size: .98rem; opacity: .82; transition: opacity .2s, color .2s; }
.nav a.navlink:hover { opacity: 1; color: var(--teal); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; margin: 5px 0; transition: .25s; }

/* ---- Hero ---- */
.hero { position: relative; padding: clamp(3rem, 7vw, 6rem) 0 var(--section-y); }
/* video-ready hook: a <video class="hero-video"> can be dropped into .hero-bg later */
.hero-bg { position: absolute; inset: -10% -5% 0; z-index: 0; pointer-events: none; }
.hero-bg .glow { position: absolute; right: 4%; top: 8%; width: 540px; height: 540px; border-radius: 50%;
  background: conic-gradient(from 200deg, rgba(52,219,199,.5), rgba(43,182,220,.4), rgba(59,125,245,.5), rgba(52,219,199,.5));
  filter: blur(90px); opacity: .5; animation: spin 26s linear infinite; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .28; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: var(--t-hero); margin-bottom: 22px; }
.hero .lead { font-size: var(--t-lead); color: var(--text-muted); max-width: 32ch; margin-bottom: 32px; }
.hero .lead strong { color: var(--text); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: .92rem; color: var(--text-muted); }
.hero-note strong { color: var(--teal); }

/* Hero key visual: floating phone + pulsing buzz ripples */
.key-visual { position: relative; display: grid; place-items: center; }
.buzz-rings { position: absolute; inset: 0; display: grid; place-items: center; z-index: 0; }
.buzz-rings span {
  position: absolute; width: min(360px, 88vw); aspect-ratio: 1; border-radius: 50%; border: 2px solid transparent;
  background: var(--gradient) border-box; -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; animation: ring 3s ease-out infinite;
}
.buzz-rings span:nth-child(2) { animation-delay: 1s; }
.buzz-rings span:nth-child(3) { animation-delay: 2s; }
@keyframes ring { 0% { transform: scale(.5); opacity: .6; } 100% { transform: scale(1.55); opacity: 0; } }
.phone-wrap { position: relative; z-index: 1; animation: float 7s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0) rotate(-1.2deg); } 50% { transform: translateY(-16px) rotate(1.2deg); } }
/* realistic device frame */
.phone { position: relative; width: min(320px, 80vw); padding: 14px; border-radius: 50px;
  background: linear-gradient(150deg, #232b34 0%, #0c1116 55%); border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 50px 110px rgba(0,0,0,.65), 0 0 80px rgba(59,125,245,.26), inset 0 1px 0 rgba(255,255,255,.10), inset 0 0 0 1px rgba(0,0,0,.4); }
/* dynamic-island pill (with a tiny camera dot) */
.phone-island { position: absolute; z-index: 3; top: 26px; left: 50%; transform: translateX(-50%); width: 82px; height: 22px; border-radius: 999px;
  background: radial-gradient(circle at 74% 50%, #243340 0 2px, transparent 2.6px), #05080c; box-shadow: inset 0 0 0 1px rgba(255,255,255,.05); }
/* side buttons */
.phone-power { position: absolute; right: -2px; top: 152px; width: 3px; height: 66px; border-radius: 0 3px 3px 0; background: linear-gradient(#2c343d, #141a21); }
.phone-vol { position: absolute; left: -2px; top: 122px; width: 3px; height: 86px; border-radius: 3px 0 0 3px; background: linear-gradient(#2c343d, #141a21); }
.phone-screen { position: relative; background: #0e151c; border-radius: 38px; padding: 38px 18px 24px; border: 1px solid rgba(255,255,255,.06); overflow: hidden; }
.phone-top { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; }
.phone-top .dot { width: 28px; height: 28px; border-radius: 9px; background: var(--gradient); box-shadow: 0 4px 16px rgba(52,180,210,.5); }
.phone-top b { font-size: .96rem; color: #fff; }
.phone-q { font-weight: 700; font-size: 1.15rem; margin-bottom: 16px; color: #fff; }
.phone-yn { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.yn { text-align: center; font-weight: 700; padding: 13px; border-radius: 12px; }
.yn.yes { background: var(--blue); color: #fff; box-shadow: 0 6px 18px rgba(59,125,245,.45); }
.yn.no { background: rgba(255,255,255,.06); color: var(--text-muted); }
.roster-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-top: 1px solid var(--line); font-size: .92rem; color: var(--text); }
.avatar { width: 26px; height: 26px; border-radius: 50%; background: rgba(52,219,199,.14); color: var(--teal); display: grid; place-items: center; font-size: .72rem; font-weight: 700; }
.tick { margin-left: auto; color: var(--teal); font-weight: 700; }
.tick.wait { color: #67727f; }
.buzz-badge { position: absolute; z-index: 2; right: -16px; bottom: 56px; background: #161d25; border: 1px solid var(--line-strong);
  border-radius: 14px; box-shadow: var(--shadow); padding: 10px 14px; display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: .92rem; color: #fff;
  animation: float 7s ease-in-out infinite reverse; }
.buzz-badge .b { width: 30px; height: 30px; border-radius: 9px; background: var(--gradient); display: grid; place-items: center; box-shadow: 0 0 18px rgba(52,180,210,.6); }

/* ---- Sections ---- */
section { padding: var(--section-y) 0; position: relative; }
.section-head { text-align: center; max-width: 660px; margin: 0 auto clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: var(--t-h2); margin-bottom: 16px; }
.section-head p { font-size: var(--t-lead); color: var(--text-muted); }

/* glass card base */
.card-dark { background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015)); border: 1px solid var(--line); border-radius: var(--radius-lg); backdrop-filter: blur(6px); }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 28px; transition: transform .25s var(--ease), box-shadow .3s, border-color .3s; }
.step:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 24px 60px rgba(0,0,0,.4); }
.step .num { width: 44px; height: 44px; border-radius: 13px; background: rgba(59,125,245,.14); color: var(--blue); font-weight: 700; display: grid; place-items: center; font-size: 1.1rem; margin-bottom: 18px; }
.step h3 { font-size: var(--t-h3); margin-bottom: 10px; color: #fff; }
.step p { color: var(--text-muted); }
.step p strong { color: var(--text); }
.step.standout { background: linear-gradient(155deg, rgba(52,219,199,.16), rgba(59,125,245,.14)); border: 1px solid rgba(52,180,210,.4); box-shadow: 0 0 50px rgba(52,180,210,.25); }
.step.standout .num { background: var(--gradient); color: #06141a; box-shadow: 0 6px 20px rgba(52,180,210,.55); }
.step.standout .tag { display: inline-block; margin-top: 14px; font-size: .78rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--teal); }

/* Who it's for */
.audience { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.chip { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 12px 22px; font-weight: 600; transition: transform .2s var(--ease), border-color .2s, color .2s; }
.chip:hover { transform: translateY(-3px); border-color: var(--teal); color: var(--teal); }
.chip .ic { width: 22px; height: 22px; color: var(--teal); }

/* Video section */
.video-frame { position: relative; aspect-ratio: 16/9; border-radius: var(--radius-lg); overflow: hidden;
  background: radial-gradient(120% 120% at 50% 0%, #1d2731, #10161d); display: grid; place-items: center; box-shadow: var(--shadow); }
.video-frame::before { content: ""; position: absolute; inset: 0; border-radius: var(--radius-lg); padding: 1.5px; background: var(--gradient);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .55; pointer-events: none; }
.play-btn { width: 92px; height: 92px; border-radius: 50%; background: var(--gradient); display: grid; place-items: center; cursor: pointer; border: 0;
  box-shadow: 0 0 0 14px rgba(59,125,245,.12), 0 20px 55px rgba(52,180,210,.5); animation: pulseBtn 2.6s ease-out infinite; transition: transform .2s var(--ease); }
.play-btn:hover { transform: scale(1.08); }
.play-btn svg { margin-left: 6px; }
@keyframes pulseBtn { 0% { box-shadow: 0 0 0 0 rgba(59,125,245,.4), 0 20px 55px rgba(52,180,210,.5); } 70% { box-shadow: 0 0 0 26px rgba(59,125,245,0), 0 20px 55px rgba(52,180,210,.5); } 100% { box-shadow: 0 0 0 0 rgba(59,125,245,0), 0 20px 55px rgba(52,180,210,.5); } }
.video-cap { position: absolute; bottom: 22px; left: 0; right: 0; text-align: center; color: var(--text-muted); font-size: .92rem; }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 30px; display: flex; flex-direction: column; transition: transform .25s var(--ease), border-color .3s; }
.plan:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.plan.featured { background: linear-gradient(165deg, rgba(52,219,199,.12), rgba(59,125,245,.10)); border: 1px solid rgba(52,180,210,.45); box-shadow: 0 0 60px rgba(52,180,210,.28); position: relative; }
.plan .badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--gradient); color: #06141a; font-size: .74rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 6px 16px; border-radius: 999px; box-shadow: 0 6px 18px rgba(52,180,210,.5); }
.plan h3 { font-size: 1.25rem; margin-bottom: 6px; color: #fff; }
.plan .price { font-size: 2.4rem; font-weight: 700; letter-spacing: -.03em; margin: 12px 0 4px; color: #fff; }
.plan .price small { font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.plan .price-sub { color: var(--text-muted); font-size: .92rem; min-height: 1.3em; }
.plan ul { list-style: none; margin: 22px 0 26px; display: grid; gap: 12px; }
.plan li { display: flex; gap: 10px; align-items: flex-start; color: var(--text); font-size: .98rem; }
.plan li strong { color: var(--teal); }
.plan li svg { flex: 0 0 auto; margin-top: 3px; color: var(--teal); }
.plan .cta { margin-top: auto; }
.pay-note { text-align: center; margin-top: 28px; color: var(--text-muted); font-size: .95rem; }

/* Get the app — a glowing, gradient-edged finish */
.appcta-card { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: clamp(2.8rem,6vw,5.2rem); text-align: center;
  background:
    radial-gradient(95% 130% at 14% 112%, rgba(52,219,199,.36), transparent 56%),
    radial-gradient(95% 130% at 86% 116%, rgba(59,125,245,.42), transparent 56%),
    radial-gradient(120% 80% at 50% -12%, rgba(43,182,220,.24), transparent 60%),
    #131b24;
  box-shadow: 0 0 100px rgba(52,180,210,.34), 0 34px 90px rgba(0,0,0,.5); }
.appcta-card::before { content: ""; position: absolute; inset: 0; border-radius: var(--radius-lg); padding: 1.5px; background: var(--gradient);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .85; pointer-events: none; }
.appcta-card::after { content: ""; position: absolute; z-index: 0; width: 58%; height: 130%; left: 50%; top: 50%;
  background: radial-gradient(circle, rgba(59,125,245,.3), transparent 64%); filter: blur(44px); pointer-events: none;
  animation: ctaGlow 9s ease-in-out infinite alternate; }
@keyframes ctaGlow { from { transform: translate(-66%,-50%) scale(1); } to { transform: translate(-34%,-50%) scale(1.16); } }
.appcta-card > * { position: relative; z-index: 1; }
.appcta-card h2 { font-size: var(--t-h2); margin-bottom: 14px; color: #fff; text-shadow: 0 2px 30px rgba(0,0,0,.4); }
.appcta-card p { color: #c3d0dd; max-width: 46ch; margin: 0 auto 28px; font-size: var(--t-lead); }
.store-badges { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.store-badge { display: inline-flex; align-items: center; gap: 12px; background: rgba(0,0,0,.5); color: #fff; border: 1px solid var(--line-strong); border-radius: 14px; padding: 11px 20px; transition: border-color .2s, transform .2s; }
.store-badge:hover { border-color: var(--teal); transform: translateY(-2px); }
.store-badge.soon { opacity: .5; }
.store-badge small { display: block; font-size: .68rem; opacity: .8; }
.store-badge b { font-size: 1.08rem; font-weight: 600; }

/* Footer */
.site-footer { background: #0d1218; border-top: 1px solid var(--line); padding: 56px 0 40px; position: relative; z-index: 1; }
.footer-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.site-footer .muted, .site-footer p { color: var(--text-muted); }
.footer-links { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-col h4 { color: #fff; font-size: .92rem; margin-bottom: 14px; font-weight: 600; }
.footer-col a { display: block; color: var(--text-muted); padding: 5px 0; font-size: .94rem; transition: color .2s; }
.footer-col a:hover { color: var(--teal); }
.footer-bottom { padding-top: 26px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .88rem; color: var(--text-muted); }

/* ---- Scroll reveal (only when JS is on; respects reduced-motion) ---- */
.js [data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.js [data-reveal="left"] { transform: translateX(-40px); }
.js [data-reveal="right"] { transform: translateX(40px); }
.js [data-reveal].in { opacity: 1; transform: none; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .key-visual { order: -1; }
  .hero .lead { max-width: none; }
  .steps, .plans { grid-template-columns: 1fr; }
  .nav { position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(16,21,28,.97); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); padding: 12px 24px 20px; box-shadow: var(--shadow);
    transform: translateY(-130%); transition: transform .3s var(--ease); }
  .nav.open { transform: translateY(0); }
  .nav a.navlink { padding: 14px 0; border-bottom: 1px solid var(--line); opacity: 1; }
  .nav-actions { padding-top: 14px; }
  .nav-toggle { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  .orb, .hero-bg .glow, .phone-wrap, .buzz-badge, .play-btn, .appcta-card::after { animation: none !important; }
  .buzz-rings span { animation: none; opacity: .22; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}