:root {
  --bg: #05070b;
  --bg-2: #0a0e15;
  --panel: #0d121b;
  --line: #1a2230;
  --text: #f2f5f9;
  --muted: #8b96a8;
  --cyan: #00e5ff;
  --pink: #ff2d8a;
  --accent: #00e5ff;
  --display: "Chakra Petch", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --r: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.mono { font-family: var(--mono); letter-spacing: .04em; }
.c { color: var(--cyan); }
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
.wrap--narrow { width: min(820px, 100% - 32px); }

h1, h2, h3 { font-family: var(--display); line-height: 1.05; letter-spacing: -.01em; }
h1 { font-size: clamp(42px, 7vw, 84px); font-weight: 700; text-transform: uppercase; }
h2 { font-size: clamp(32px, 4.6vw, 56px); font-weight: 700; margin-bottom: 40px; max-width: 18ch; }
h2 em, h1 em { font-style: normal; color: var(--cyan); }
h3 { font-size: 21px; font-weight: 600; }

.eyebrow { color: var(--pink); font-size: 13px; margin-bottom: 14px; text-transform: uppercase; }
.micro { font-size: 12.5px; color: var(--muted); }
.fine { font-size: 13px; color: var(--muted); margin-top: 18px; opacity: .8; }

.blink { animation: blink 1.1s steps(1) infinite; color: var(--pink); }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Botões ---------- */
.btn {
  --h: 52px;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  height: var(--h); padding: 0 26px;
  background: var(--cyan); color: #001318;
  font: 700 15px/1 var(--display); text-transform: uppercase; letter-spacing: .06em;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  position: relative; isolation: isolate; overflow: hidden;
  transition: transform .2s, box-shadow .2s, filter .2s;
  box-shadow: 0 0 0 rgba(0, 229, 255, 0);
}
.btn::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,.65) 50%, transparent 70%);
  transform: translateX(-120%); animation: shine 3.6s ease-in-out infinite;
}
@keyframes shine { 0%, 60% { transform: translateX(-120%); } 100% { transform: translateX(120%); } }
.btn:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 10px 40px -8px rgba(0, 229, 255, .6); }
.btn__arrow { transition: transform .2s; }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--sm { --h: 40px; padding: 0 18px; font-size: 13px; }
.btn--xl { --h: 64px; padding: 0 36px; font-size: 18px; }
.btn--block { width: 100%; }

/* ---------- HUD (cantos da logo) ---------- */
.hud { position: absolute; width: 26px; height: 26px; border: 2px solid var(--cyan); pointer-events: none; z-index: 3; }
.hud--tl { top: -10px; left: -10px; border-right: 0; border-bottom: 0; }
.hud--tr { top: -10px; right: -10px; border-left: 0; border-bottom: 0; }
.hud--bl { bottom: -10px; left: -10px; border-right: 0; border-top: 0; }
.hud--br { bottom: -10px; right: -10px; border-left: 0; border-top: 0; }

/* ---------- Topbar + nav ---------- */
.topbar {
  text-align: center; font-size: 12px; padding: 9px 16px;
  background: linear-gradient(90deg, rgba(255,45,138,.12), rgba(0,229,255,.12));
  border-bottom: 1px solid var(--line); color: #cfd6e2;
}
.nav { position: sticky; top: 0; z-index: 50; transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.nav.is-scrolled { background: rgba(5, 7, 11, .82); backdrop-filter: blur(14px); border-color: var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.nav__links { display: flex; gap: 30px; font-size: 14px; color: var(--muted); }
.nav__links a:hover { color: var(--text); }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__icon { width: 34px; height: 34px; }
.brand__word { font: 700 19px/1 var(--display); letter-spacing: .04em; }
.brand__word b { font-weight: 700; }
.brand__word i { font: 500 15px/1 var(--mono); font-style: normal; color: var(--pink); margin-left: 3px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 56px 0 100px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto; height: 120%;
  background:
    radial-gradient(600px 400px at 75% 30%, rgba(0, 229, 255, .16), transparent 70%),
    radial-gradient(500px 300px at 20% 70%, rgba(255, 45, 138, .10), transparent 70%);
  pointer-events: none;
}
.grid-floor {
  position: absolute; left: -50%; right: -50%; bottom: -10%; height: 60%;
  background-image:
    linear-gradient(rgba(0, 229, 255, .35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, .35) 1px, transparent 1px);
  background-size: 70px 70px;
  transform: perspective(500px) rotateX(62deg);
  transform-origin: center top;
  mask-image: linear-gradient(to bottom, transparent, #000 40%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 40%, #000 70%, transparent);
  animation: floor 3s linear infinite;
  opacity: .5; pointer-events: none;
}
.grid-floor--soft { opacity: .28; }
@keyframes floor { to { background-position: 0 70px, 0 0; } }

.hero__inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; text-transform: uppercase; padding: 8px 14px;
  border: 1px solid rgba(0, 229, 255, .35); background: rgba(0, 229, 255, .06); border-radius: 100px;
  margin-bottom: 26px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); display: inline-block; }

.glitch { position: relative; display: inline-block; color: var(--cyan); }
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0; pointer-events: none;
}
.glitch::before { color: var(--pink); animation: glitch 4s infinite steps(1); clip-path: inset(0 0 60% 0); }
.glitch::after { color: #fff; animation: glitch 4s infinite steps(1) reverse; clip-path: inset(55% 0 0 0); opacity: .7; }
@keyframes glitch {
  0%, 88%, 100% { transform: none; opacity: 0; }
  90% { transform: translate(-4px, 1px); opacity: 1; }
  93% { transform: translate(3px, -2px); opacity: 1; }
  96% { transform: translate(-2px, 0); opacity: 1; }
}

.lead { font-size: clamp(17px, 1.5vw, 20px); color: #c4ccd8; max-width: 54ch; margin: 26px 0 26px; }
.lead strong { color: var(--text); font-weight: 600; }

.nots { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.nots li {
  font: 500 14px var(--mono); padding: 8px 14px 8px 34px; position: relative;
  border: 1px solid var(--line); background: var(--panel); border-radius: 8px; color: var(--muted);
}
.nots li::before { content: "✕"; position: absolute; left: 13px; color: var(--pink); font-weight: 700; }
.nots s { text-decoration-color: var(--pink); text-decoration-thickness: 2px; }
.hero__cta { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }

.hero__visual { position: relative; justify-self: center; }
.phone {
  position: relative; width: min(320px, 72vw); aspect-ratio: 9 / 16;
  padding: 10px; border-radius: 34px; background: linear-gradient(160deg, #1b2433, #0a0e15);
  border: 1px solid #263044;
  box-shadow: 0 40px 120px -30px rgba(0, 229, 255, .45), 0 0 0 1px rgba(255,255,255,.03) inset;
  animation: bob 6s ease-in-out infinite;
}
.phone .hud { width: 34px; height: 34px; }
.phone .hud--tl { top: -22px; left: -22px; } .phone .hud--tr { top: -22px; right: -22px; }
.phone .hud--bl { bottom: -22px; left: -22px; } .phone .hud--br { bottom: -22px; right: -22px; }
@keyframes bob { 50% { transform: translateY(-12px); } }
.phone__screen { position: relative; width: 100%; height: 100%; border-radius: 26px; overflow: hidden; background: #000; }
.phone__screen video { width: 100%; height: 100%; object-fit: cover; }
.scanline {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(255, 45, 138, .35) 50%, transparent);
  height: 4px; animation: scan 3.5s linear infinite; mix-blend-mode: screen;
}
@keyframes scan { from { transform: translateY(0); } to { transform: translateY(600px); } }
.rec {
  position: absolute; left: 50%; bottom: -46px; transform: translateX(-50%);
  font-size: 11px; color: var(--muted); white-space: nowrap;
}
.float-card {
  position: absolute; font-size: 12px; padding: 10px 14px; white-space: nowrap;
  background: rgba(13, 18, 27, .9); border: 1px solid var(--line); border-radius: 10px;
  backdrop-filter: blur(8px); box-shadow: 0 20px 40px -20px #000;
}
.float-card .k { color: var(--pink); margin-right: 6px; }
.float-card .ok { color: #3dffa8; }
.float-card--a { top: 14%; left: -38%; animation: bob 5s ease-in-out infinite reverse; }
.float-card--b { bottom: 4%; right: -34%; animation: bob 7s ease-in-out infinite; }

/* ---------- Ticker ---------- */
.ticker {
  overflow: hidden; border-block: 1px solid var(--line); background: var(--bg-2);
  font-size: 13px; text-transform: uppercase; color: var(--muted);
}
.ticker__track { display: flex; width: max-content; animation: ticker 40s linear infinite; }
.ticker__track span { padding: 16px 28px; white-space: nowrap; }
.ticker__track span::before { content: "◆"; color: var(--cyan); margin-right: 28px; font-size: 10px; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Seções ---------- */
.section { padding: 120px 0; position: relative; }
.section--tight { padding: 70px 0; }

.pain { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pain__card {
  padding: 30px; border: 1px solid var(--line); border-radius: var(--r);
  background: linear-gradient(180deg, rgba(255, 45, 138, .05), transparent 60%), var(--panel);
}
.pain__n { color: var(--pink); font-size: 13px; display: block; margin-bottom: 18px; }
.pain__card h3 { margin-bottom: 10px; }
.pain__card p { color: var(--muted); font-size: 15.5px; }
.pivot {
  margin-top: 60px; text-align: center;
  font: 600 clamp(24px, 3vw, 36px)/1.2 var(--display); max-width: 26ch; margin-inline: auto;
}

/* Demo */
.section--demo { background: linear-gradient(180deg, transparent, rgba(0, 229, 255, .04), transparent); }
.demo { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.demo__copy > p:not(.eyebrow) { color: #c4ccd8; margin-bottom: 24px; max-width: 48ch; }
.demo__copy h2 { margin-bottom: 24px; }
.checks { list-style: none; display: grid; gap: 12px; margin-bottom: 34px; }
.checks li { padding-left: 32px; position: relative; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px;
  background: var(--cyan);
  clip-path: polygon(14% 52%, 0 66%, 38% 100%, 100% 22%, 86% 8%, 38% 72%);
}
.demo__player { justify-self: center; }
.player {
  position: relative; width: min(360px, 80vw); aspect-ratio: 9 / 16;
  border: 1px solid #263044; background: #000; border-radius: 6px;
  box-shadow: 0 30px 100px -30px rgba(0, 229, 255, .4);
}
.player video { width: 100%; height: 100%; object-fit: cover; border-radius: 6px; }
.player__play {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 16px;
  background: radial-gradient(circle, rgba(5,7,11,.3), rgba(5,7,11,.75)); border-radius: 6px;
  font-size: 13px; text-transform: uppercase; transition: opacity .3s;
}
.player__icon {
  width: 86px; height: 86px; display: grid; place-items: center; font-size: 28px; padding-left: 6px;
  border-radius: 50%; background: var(--cyan); color: #001318;
  box-shadow: 0 0 0 0 rgba(0, 229, 255, .6); animation: pulse 2s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 26px rgba(0, 229, 255, 0); } 100% { box-shadow: 0 0 0 0 rgba(0, 229, 255, 0); } }
.player.is-playing .player__play { opacity: 0; pointer-events: none; }

/* Frames */
.frames { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.frames figure { position: relative; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #000; }
.frames img { width: 100%; aspect-ratio: 9 / 13; object-fit: cover; transition: transform .6s; }
.frames figure:hover img { transform: scale(1.05); }
.frames figcaption {
  position: absolute; left: 10px; bottom: 10px; font-size: 11px; text-transform: uppercase;
  padding: 5px 9px; background: rgba(5,7,11,.85); border: 1px solid var(--line); border-radius: 6px;
}

/* Compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; margin-bottom: 40px; }
.compare__col { padding: 34px; }
.compare__col h3 { font-size: 13px; text-transform: uppercase; margin-bottom: 22px; letter-spacing: .1em; }
.compare__col ul { list-style: none; display: grid; gap: 14px; }
.compare__col li { padding-left: 30px; position: relative; }
.compare__col--bad { background: var(--panel); color: var(--muted); }
.compare__col--bad h3 { color: var(--muted); }
.compare__col--bad li::before { content: "✕"; position: absolute; left: 0; color: var(--pink); }
.compare__col--good { background: linear-gradient(135deg, rgba(0, 229, 255, .14), rgba(0, 229, 255, .03)); border-left: 1px solid rgba(0, 229, 255, .35); }
.compare__col--good h3 { color: var(--cyan); }
.compare__col--good li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }

/* Kit + Curso */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 40px; }
.duo__card {
  padding: 36px; border: 1px solid var(--line); border-radius: var(--r);
  background: linear-gradient(180deg, rgba(0, 229, 255, .07), transparent 55%), var(--panel);
}
.duo__card--hot {
  border-color: rgba(255, 45, 138, .45);
  background: linear-gradient(180deg, rgba(255, 45, 138, .10), transparent 55%), var(--panel);
  box-shadow: 0 30px 80px -40px rgba(255, 45, 138, .5);
}
.duo__tag { display: inline-block; font-size: 11.5px; padding: 6px 10px; border-radius: 6px; background: rgba(0, 229, 255, .1); color: var(--cyan); margin-bottom: 20px; }
.duo__card--hot .duo__tag { background: rgba(255, 45, 138, .12); color: var(--pink); }
.duo__card h3 { font-size: 28px; margin-bottom: 12px; }
.duo__card > p { color: #c4ccd8; margin-bottom: 24px; }
.duo__card .checks { margin-bottom: 0; }
.duo__card--hot .checks li::before { background: var(--pink); }

.section--curriculum { background: var(--bg-2); border-block: 1px solid var(--line); }
.modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.module--hot { border-color: rgba(255, 45, 138, .4); }
.module--hot .module__ico { color: var(--pink); }
.module {
  padding: 26px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel);
  position: relative; overflow: hidden; transition: border-color .3s, transform .3s;
}
.module::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .3s;
  background: radial-gradient(400px 200px at var(--mx, 50%) var(--my, 0%), rgba(0, 229, 255, .14), transparent 60%);
}
.module:hover { border-color: rgba(0, 229, 255, .5); transform: translateY(-4px); }
.module:hover::before { opacity: 1; }
.module__head { display: flex; justify-content: space-between; align-items: center; font-size: 11.5px; color: var(--pink); margin-bottom: 40px; }
.module__ico { color: var(--cyan); font-size: 20px; }
.module h3 { margin-bottom: 10px; position: relative; }
.module p { color: var(--muted); font-size: 15px; position: relative; }

/* Style switcher */
.section--style { background: var(--bg-2); border-block: 1px solid var(--line); }
.style { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.style__copy > p:not(.eyebrow):not(.micro) { color: #c4ccd8; max-width: 46ch; }
.style__copy h2 { margin-bottom: 24px; }
.swatches { display: flex; gap: 14px; margin: 30px 0 12px; }
.swatch {
  width: 54px; height: 54px; border-radius: 12px; background: var(--sw);
  border: 2px solid transparent; outline: 2px solid transparent; outline-offset: 4px;
  transition: transform .2s, outline-color .2s;
}
.swatch:hover { transform: translateY(-3px); }
.swatch.is-active { outline-color: var(--sw); }

.style__preview { justify-self: center; }
.mock {
  --accent: #00e5ff;
  width: min(320px, 78vw); aspect-ratio: 9 / 16; position: relative; overflow: hidden;
  border-radius: 24px; background: radial-gradient(circle at 50% 60%, #121a26, #030406 70%);
  border: 1px solid #263044; padding: 22px 20px;
  box-shadow: 0 30px 90px -30px color-mix(in srgb, var(--accent) 60%, transparent);
  transition: box-shadow .5s;
}
.mock__top { font-size: 9.5px; color: var(--muted); }
.mock__chip {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 10px;
  padding: 4px 10px; border-radius: 100px; background: rgba(255,255,255,.05); border: 1px solid #263044;
}
.mock__big {
  margin-top: 34px; text-align: center; font: 700 76px/1 var(--display); color: #fff;
  text-shadow: 0 0 30px color-mix(in srgb, var(--accent) 70%, transparent);
}
.mock__big small { display: block; font-size: 12px; color: var(--accent); margin-top: 6px; letter-spacing: .2em; }
.mock__stage { position: absolute; left: 0; right: 0; bottom: 0; height: 52%; }
.mock__floor {
  position: absolute; inset: 30% -40% -10%;
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 50%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 50%, transparent) 1px, transparent 1px);
  background-size: 34px 34px; transform: perspective(300px) rotateX(60deg);
  mask-image: linear-gradient(to bottom, transparent, #000 30%);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 30%);
  animation: floor2 2.4s linear infinite;
}
@keyframes floor2 { to { background-position: 0 34px, 0 0; } }
.mock__obj {
  position: absolute; z-index: 2; left: 50%; top: 18%; width: 110px; height: 110px; margin-left: -55px;
  border-radius: 28px; background: linear-gradient(145deg, #fff, #9aa6b8);
  box-shadow: 0 0 40px color-mix(in srgb, var(--accent) 70%, transparent), 0 30px 30px -10px #000;
  animation: spin 8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.mock__cap {
  position: absolute; z-index: 3; left: 50%; bottom: 26px; transform: translateX(-50%); white-space: nowrap;
  padding: 8px 14px; border-radius: 8px; background: rgba(10, 14, 21, .9); font: 600 14px var(--body);
}
.mock__cap .hl, .mock .dot { color: var(--accent); }
.mock .dot { background: var(--accent); box-shadow: 0 0 10px var(--accent); }

/* How */
.how { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.steps { list-style: none; display: grid; gap: 4px; position: relative; }
.steps::before { content: ""; position: absolute; left: 25px; top: 30px; bottom: 30px; width: 1px; background: linear-gradient(var(--cyan), var(--pink)); opacity: .5; }
.step { display: grid; grid-template-columns: 52px 1fr; gap: 20px; padding: 18px 0; }
.step__n {
  width: 52px; height: 52px; display: grid; place-items: center; position: relative; z-index: 1;
  background: var(--bg); border: 1px solid rgba(0, 229, 255, .5); color: var(--cyan); font-weight: 700;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 15.5px; }

.chat { border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); overflow: hidden; position: sticky; top: 100px; }
.chat__bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--line); font-size: 11.5px; color: var(--muted); }
.chat__bar span { width: 10px; height: 10px; border-radius: 50%; background: #263044; }
.chat__bar span:first-child { background: var(--pink); }
.chat__body { padding: 20px; display: flex; flex-direction: column; gap: 12px; min-height: 420px; }
.msg { max-width: 88%; padding: 12px 15px; border-radius: 12px; font-size: 14.5px; line-height: 1.5; animation: pop .35s ease both; }
.msg--user { align-self: flex-end; background: rgba(0, 229, 255, .12); border: 1px solid rgba(0, 229, 255, .3); }
.msg--ai { align-self: flex-start; background: #121926; border: 1px solid var(--line); }
.msg--ai b { color: var(--cyan); font-weight: 600; }
.msg--sys { align-self: center; font: 500 11.5px var(--mono); color: #3dffa8; background: none; padding: 4px; }
.typing { display: inline-flex; gap: 4px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: typing 1s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes typing { 50% { opacity: .2; transform: translateY(-3px); } }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } }

/* Who */
.who { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.who__item { padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); font-weight: 500; }
.who__item span { color: var(--cyan); margin-right: 8px; }

/* Requisitos */
.reqs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.req { padding: 28px; border: 1px dashed #2a3446; border-radius: var(--r); }
.req__price { color: var(--cyan); font-size: 13px; margin: 6px 0 12px; }
.req p:last-child { color: var(--muted); font-size: 15.5px; }

/* Oferta */
.section--offer { background: radial-gradient(800px 500px at 50% 40%, rgba(0, 229, 255, .10), transparent 70%); }
.offer {
  position: relative; display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px;
  padding: 56px; border: 1px solid rgba(0, 229, 255, .35); border-radius: 4px;
  background: linear-gradient(160deg, #0e1520, #070a10);
  box-shadow: 0 50px 140px -50px rgba(0, 229, 255, .5);
}
.offer h2 { margin-bottom: 30px; }
.offer .checks b { color: var(--cyan); font-weight: 600; }
.offer__right {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px;
  padding: 36px 28px; border-radius: var(--r); background: rgba(0,0,0,.35); border: 1px solid var(--line);
}
.offer__logo { width: 70px; height: 70px; margin-bottom: 4px; }
.offer__label { font-size: 12px; text-transform: uppercase; color: var(--muted); }
.offer__price { font: 700 clamp(56px, 7vw, 80px)/1 var(--display); text-shadow: 0 0 40px rgba(0, 229, 255, .45); }
.offer__right .btn { margin-top: 16px; }
.secure { font-size: 11.5px; color: var(--muted); margin-top: 6px; }

.guarantee {
  display: flex; align-items: center; gap: 30px; margin-top: 30px; padding: 30px 36px;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--panel);
}
.guarantee h3 { margin-bottom: 6px; }
.guarantee p { color: var(--muted); font-size: 15.5px; }
.guarantee .fine { margin-top: 8px; }
.seal {
  flex: none; width: 104px; height: 104px; border-radius: 50%; display: grid; place-content: center; text-align: center;
  color: var(--pink); position: relative;
}
.seal::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px dashed var(--pink); animation: spin 30s linear infinite; }
.seal__n { font: 700 42px/1 var(--display); }
.seal span.mono { font-size: 11px; letter-spacing: .3em; }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); transition: border-color .2s; }
.faq details[open] { border-color: rgba(0, 229, 255, .45); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 60px 22px 24px; position: relative;
  font: 600 17px var(--display);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
  font: 400 26px var(--mono); color: var(--cyan); transition: transform .25s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 24px 22px; color: var(--muted); }

/* CTA final */
.final { position: relative; overflow: hidden; padding: 140px 0 160px; text-align: center; border-top: 1px solid var(--line); }
.final__inner { position: relative; display: flex; flex-direction: column; align-items: center; gap: 22px; }
.final__logo { width: 90px; height: 90px; filter: drop-shadow(0 0 30px rgba(0, 229, 255, .5)); }
.final h2 { max-width: 22ch; margin-bottom: 8px; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 50px 0 120px; }
.footer__inner { display: grid; gap: 14px; justify-items: center; text-align: center; }
.footer__tag { font-size: 13px; color: var(--muted); letter-spacing: .2em; text-transform: uppercase; }
.footer__links { display: flex; gap: 24px; font-size: 14px; color: var(--muted); }
.footer__links a:hover { color: var(--cyan); }

/* Sticky CTA (mobile) */
.sticky-cta {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60;
  display: none; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 10px 10px 18px; border-radius: 14px;
  background: rgba(13, 18, 27, .92); backdrop-filter: blur(14px); border: 1px solid rgba(0, 229, 255, .35);
  transform: translateY(140%); transition: transform .35s ease;
}
.sticky-cta.is-visible { transform: none; }
.sticky-cta strong { font: 700 20px var(--display); display: block; line-height: 1; }
.sticky-cta span { font-size: 10.5px; color: var(--muted); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 1000px) {
  .hero__inner, .demo, .style, .how, .offer, .duo { grid-template-columns: 1fr; }
  .hero__visual { margin-top: 30px; }
  .modules { grid-template-columns: 1fr 1fr; }
  .frames { grid-template-columns: repeat(2, 1fr); }
  .float-card--a { left: -18%; } .float-card--b { right: -18%; }
  .chat { position: static; }
  .demo__player { order: -1; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav__links { display: none; }
  .hero { padding: 36px 0 90px; }
  .section { padding: 84px 0; }
  .section--tight { padding: 56px 0; }
  h2 { margin-bottom: 28px; }
  .pain, .compare, .modules, .who, .reqs { grid-template-columns: 1fr; }
  .duo__card { padding: 26px 22px; }
  .nav .btn--sm { padding: 0 14px; font-size: 12px; white-space: nowrap; }
  .compare__col--good { border-left: 0; border-top: 1px solid rgba(0, 229, 255, .35); }
  .offer { padding: 32px 20px; }
  .guarantee { flex-direction: column; text-align: center; padding: 28px 22px; }
  .btn--xl { --h: 58px; padding: 0 26px; font-size: 16px; width: 100%; }
  .hero__cta { align-items: stretch; text-align: center; }
  .float-card { font-size: 10.5px; padding: 8px 10px; }
  .float-card--a { left: -6%; top: 6%; } .float-card--b { right: -6%; bottom: 2%; }
  .topbar { font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; letter-spacing: 0; }
  .sticky-cta { display: flex; }
  .brand__word { font-size: 16px; }
}

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