/* rekenber.com.br, in the style of the approved Rekenber mockup (dark ground, lime accent, Sora + Manrope). */
@font-face { font-family: 'Sora'; src: url('/fonts/Sora.woff2') format('woff2'); font-weight: 500 800; font-display: swap; }
@font-face { font-family: 'Manrope'; src: url('/fonts/Manrope.woff2') format('woff2'); font-weight: 400 800; font-display: swap; }

:root {
  --bg: #0B0B14; --bg2: #0F0F1C; --tile: #151524; --tile2: #1F1F33; --line: #2C2C45; --line2: #4A4A6E;
  --tx: #F4F3FF; --mute: #C9C8E3; --dim: #A9A8C7;
  --lime: #C6FF3D; --violet: #8B5CFF; --violet2: #A78BFF; --cyan: #3DE0FF; --pink: #FF5C8A; --pink2: #FF7FA6; --yellow: #FFC93D;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--tx); font-family: 'Manrope', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
img, video { display: block; max-width: 100%; }
a { color: var(--lime); }
.rk { position: relative; overflow: hidden; min-height: 100vh; }
.disp { font-family: 'Sora', system-ui, sans-serif; }
.wrap { max-width: 1240px; margin-inline: auto; padding-inline: 24px; }
.c-lime { color: var(--lime); } .c-pink { color: var(--pink2); } .c-cyan { color: var(--cyan); } .c-yellow { color: var(--yellow); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 50; padding: 10px 16px; border-radius: 999px; background: var(--lime); color: var(--bg); font-weight: 800; }
.skip:focus { left: 16px; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }

/* motion */
@keyframes rkFloat { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(40px,-50px) scale(1.12); } }
@keyframes rkFloat2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-50px,30px); } }
@keyframes rkBob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes rkMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes rkTravel { 0% { left: 0%; } 100% { left: 100%; } }
@keyframes rkLit {
  0%,7% { background: var(--lime); color: var(--bg); border-color: var(--lime); box-shadow: 0 0 0 6px rgba(198,255,61,.18), 0 0 40px rgba(198,255,61,.45); transform: translateY(-4px); }
  10%,100% { background: var(--tile); color: var(--tx); border-color: var(--line); box-shadow: none; transform: none; }
}
@keyframes rkSpin { to { transform: rotate(360deg); } }
@keyframes rkPulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes rkWord { 0%,20% { background: var(--pink); color: var(--bg); } 25%,100% { background: transparent; color: #fff; } }
@keyframes rkGrow { 0% { width: 6%; } 100% { width: 96%; } }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; pointer-events: none; }
.o1 { animation: rkFloat 14s ease-in-out infinite; }
.o2 { animation: rkFloat2 18s ease-in-out infinite; }
.bob { animation: rkBob 6s ease-in-out infinite; }
.track { animation: rkMarquee 34s linear infinite; }
.dot { animation: rkTravel 11s linear infinite; }
.node { animation: rkLit 11s linear infinite; }
.spin { animation: rkSpin 6s linear infinite; }
.pulse { animation: rkPulse 1.6s ease-in-out infinite; }
.word { animation: rkWord 3s linear infinite; }
.grow { animation: rkGrow 9s linear infinite; }
@media (prefers-reduced-motion: reduce) {
  .rk *, .rk *::before { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 22px; border-radius: 999px; font-weight: 800; font-size: 15px; text-decoration: none; border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; }
.btn--lg { padding: 18px 30px; font-size: 17px; }
.btn--lime { background: var(--lime); color: var(--bg); }
.btn--lime:hover { color: var(--bg); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(198,255,61,.35); }
.btn--ghost { border-color: var(--line); background: rgba(21,21,36,.6); color: var(--tx); font-weight: 700; }
.btn--ghost:hover { color: var(--tx); background: var(--tile2); border-color: var(--line2); }
.btn--dark { background: var(--bg); color: var(--lime); }
.btn--dark:hover { color: var(--lime); transform: translateY(-2px); }

/* nav */
.nav { position: relative; z-index: 5; padding-block: 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--tx); text-decoration: none; }
.logo span { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.nav__links { display: flex; gap: 28px; flex-wrap: wrap; font-size: 15px; font-weight: 600; }
.nav__links a { color: var(--mute); text-decoration: none; }
.nav__links a:hover { color: var(--tx); }
.nav__cta { display: flex; gap: 10px; }
@media (max-width: 900px) { .nav__links { display: none; } }

/* hero */
.hero { position: relative; padding: 70px 0 40px; }
.hero__copy { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 26px; }
.pill { max-width: 100%; text-align: left; margin: 0; display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 8px; border-radius: 999px; background: rgba(21,21,36,.8); border: 1px solid var(--line); font-size: 14px; font-weight: 600; }
.pill__tag { padding: 4px 10px; border-radius: 999px; background: var(--yellow); color: var(--bg); font-weight: 800; font-size: 12px; }
.hero h1 { margin: 0; font-size: clamp(40px, 6.4vw, 92px); line-height: 1.02; letter-spacing: -.035em; font-weight: 800; max-width: 1100px; }
.lead { margin: 0; font-size: clamp(17px, 1.6vw, 21px); line-height: 1.55; color: var(--mute); max-width: 720px; }
.hero__btns { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero__note { margin: -8px 0 0; font-size: 14px; color: var(--dim); }

/* stage */
.stage { position: relative; z-index: 2; width: min(1192px, calc(100% - 32px)); margin: 64px auto 0; padding: 2px; border-radius: 32px; overflow: hidden; }
.stage__ring { position: absolute; inset: -60%; background: conic-gradient(from 0deg, var(--lime), var(--cyan), var(--tile), var(--tile), var(--lime)); }
.stage__inner { position: relative; border-radius: 30px; background: var(--bg2); padding: clamp(20px, 3vw, 40px); display: flex; flex-direction: column; gap: 32px; }
.stage__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.stage__top p { margin: 0; }
.stage__live { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; color: var(--mute); }
.stage__live .pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--pink); }
.stage__ex { font-size: 13px; color: var(--dim); }

.pipe { position: relative; padding-top: 6px; }
.pipe__line { position: absolute; left: 3%; right: 3%; top: 30px; height: 2px; background: var(--line); }
.pipe__rail { position: absolute; left: 3%; right: 3%; top: 24px; height: 14px; }
.pipe__rail .dot { position: absolute; top: 0; width: 14px; height: 14px; margin-left: -7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 20px var(--lime); }
.pipe__nodes { position: relative; list-style: none; margin: 0; padding: 0; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.node { padding: 10px 12px; border-radius: 14px; border: 1px solid var(--line); background: var(--tile); font-weight: 700; font-size: 13px; white-space: nowrap; }
@media (max-width: 1100px) { .pipe__line, .pipe__rail { display: none; } .pipe__nodes { justify-content: center; } }

.outs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 18px; }
.out { margin: 0; border-radius: 22px; background: var(--tile); border: 1px solid var(--line); padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.out__k { font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.out__box { height: 190px; }
.out__books { display: flex; gap: 10px; align-items: flex-end; justify-content: center; }
.book { width: 124px; height: auto; border-radius: 3px 8px 8px 3px; box-shadow: -5px 0 0 rgba(0,0,0,.25) inset, 0 20px 40px rgba(0,0,0,.45); }
.book--sm { width: 92px; }
.mini { height: 100%; border-radius: 12px; background: #FEF5F0; overflow: hidden; display: flex; flex-direction: column; }
.mini__bar { height: 18px; background: #F3DEDA; display: flex; gap: 4px; align-items: center; padding: 0 8px; }
.mini__bar i { width: 6px; height: 6px; border-radius: 50%; background: #D9B8B2; }
.mini__bar span { font-size: 8px; color: #7A5550; margin-left: 6px; }
.mini__body { padding: 14px; display: flex; flex-direction: column; gap: 7px; }
.mini__body b { font-size: 15px; font-weight: 800; color: #233C50; line-height: 1.15; }
.mini .ln { display: block; height: 6px; border-radius: 3px; background: #EBD3CF; }
.mini__btn { margin-top: 8px; align-self: flex-start; padding: 8px 14px; border-radius: 999px; background: #E51446; color: #fff; font-size: 10px; font-weight: 800; }
.out__phone { display: flex; justify-content: center; }
.phone { position: relative; width: 112px; height: 190px; border-radius: 18px; border: 3px solid var(--line); overflow: hidden; background: #233C50; }
.phone img { width: 100%; height: 100%; object-fit: cover; }
.phone__cap { position: absolute; left: 0; right: 0; bottom: 14px; margin: 0; display: flex; gap: 3px; justify-content: center; flex-wrap: wrap; font-size: 11px; font-weight: 800; }
.phone__cap .word { padding: 1px 4px; border-radius: 4px; text-shadow: 0 1px 4px rgba(0,0,0,.6); }
.out__studio { border-radius: 12px; background: var(--bg2); border: 1px solid var(--line); padding: 10px; display: flex; flex-direction: column; gap: 6px; }
.out__studio video { width: 100%; height: 84px; object-fit: cover; border-radius: 8px; background: var(--tile2); }
.tl { display: flex; gap: 4px; }
.tl i { flex: 1; height: 14px; border-radius: 5px; }
.tl--b i { height: 28px; border-radius: 8px; }
.tl--s i { height: 12px; }
.bar { margin-top: auto; height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 6px; background: var(--lime); }
.out__note { font-size: 11px; color: var(--dim); }

/* marquee */
.marquee { margin-top: 70px; padding: 40px 0; border-block: 1px solid var(--tile2); overflow: hidden; }
.track { display: flex; gap: 14px; width: max-content; }
.track span { padding: 12px 22px; border-radius: 999px; color: var(--bg); font-weight: 800; white-space: nowrap; }
.track .ghost { border: 1px solid var(--line); color: var(--tx); }

/* sections */
.sec { padding-block: 110px 40px; display: flex; flex-direction: column; gap: 44px; }
.sec__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.sec__head p { margin: 0; color: var(--mute); font-size: 18px; line-height: 1.55; max-width: 440px; }
.sec__head--c { flex-direction: column; align-items: center; text-align: center; }
.sec__head--c p { max-width: 620px; }
.h2 { margin: 0; font-size: clamp(32px, 4vw, 56px); line-height: 1.05; letter-spacing: -.03em; font-weight: 800; max-width: 760px; }

/* step cards */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 16px; }
.card { border-radius: 24px; padding: 26px; background: var(--tile); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; transition: transform .25s ease, border-color .25s ease; }
.card:hover { transform: translateY(-6px); border-color: var(--line2); }
.card h3 { margin: 0; font-size: 20px; font-weight: 800; }
.card p { margin: 0; font-size: 15px; line-height: 1.5; color: var(--mute); }
.num { font-size: 40px; font-weight: 800; }
.cost { margin-top: auto; align-self: flex-start; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); font-size: 13px; font-weight: 800; }
.cost--free { border-color: var(--lime); color: var(--lime); }
.card--lime { background: var(--lime); border-color: var(--lime); }
.card--violet { background: var(--violet); border-color: var(--violet); }
.card--pink { background: var(--pink); border-color: var(--pink); }
.card--cyan { background: var(--cyan); border-color: var(--cyan); }
.card--lime, .card--violet, .card--pink, .card--cyan { color: var(--bg); }
.card--lime p, .card--violet p, .card--pink p, .card--cyan p { color: var(--bg); font-weight: 500; }
.card--lime .cost, .card--violet .cost, .card--pink .cost, .card--cyan .cost { border-color: rgba(11,11,20,.35); }
.card--end { background: transparent; border-style: dashed; justify-content: center; }
.card--end h3 { font-size: 28px; letter-spacing: -.02em; }
.card--end .btn { align-self: flex-start; margin-top: 6px; }

/* builder + studio */
.duo { padding-block: 90px 40px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: 20px; }
.big { position: relative; overflow: hidden; border-radius: 32px; padding: 36px; gap: 22px; min-height: 520px; }
.big > * { position: relative; }
.big > .orb { position: absolute; }
.big h3 { font-size: 34px; line-height: 1.1; letter-spacing: -.02em; }
.big p { font-size: 17px; line-height: 1.55; }
.tag { align-self: flex-start; padding: 6px 14px; border-radius: 999px; color: var(--bg); font-size: 13px; font-weight: 800; }
.panel { margin-top: auto; border-radius: 20px; background: var(--bg2); border: 1px solid var(--line); padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 85%; padding: 12px 14px; font-size: 14px; line-height: 1.45; }
.msg--ai { align-self: flex-start; border-radius: 16px 16px 16px 4px; background: var(--tile2); }
.msg--me { align-self: flex-end; border-radius: 16px 16px 4px 16px; background: var(--lime); color: var(--bg); font-weight: 700; }
.sw { display: flex; gap: 8px; }
.sw i { width: 36px; height: 36px; border-radius: 10px; }
.panel .tl i { height: 20px; border-radius: 6px; }
.panel .tl--b i { height: 28px; border-radius: 8px; }
.tl__time { display: flex; justify-content: space-between; font-size: 12px; color: var(--dim); margin-top: 4px; }

/* colour demo */
.demo { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; }
@media (max-width: 860px) { .demo { grid-template-columns: 1fr; } }
.demo__show { position: relative; border-radius: 32px; padding: clamp(20px, 3vw, 40px); background: var(--bg); border: 1px solid var(--line); display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 20px; align-items: center; transition: background .3s ease; background: var(--sf); }
@media (max-width: 560px) { .demo__show { grid-template-columns: 1fr; } }
.mc { aspect-ratio: 3/4; border-radius: 6px 14px 14px 6px; background: var(--p); color: var(--onp); padding: 22px 18px; display: flex; flex-direction: column; gap: 10px; box-shadow: -8px 0 0 rgba(0,0,0,.15) inset, 0 24px 50px rgba(0,0,0,.25); transition: background .3s ease, color .3s ease; }
.mc__band { width: 40px; height: 6px; border-radius: 3px; background: var(--a); }
.mc__title { font-family: 'Sora', sans-serif; font-weight: 800; font-size: clamp(22px, 2.4vw, 32px); line-height: 1.02; letter-spacing: -.02em; }
.mc__sub { margin-top: auto; font-size: 12px; line-height: 1.35; font-weight: 600; }
.mp { border-radius: 16px; background: var(--bg); color: var(--tx); padding: 18px; display: flex; flex-direction: column; gap: 10px; box-shadow: 0 18px 40px rgba(0,0,0,.15); transition: background .3s ease; }
.demo__show .mp { background: var(--bg); color: var(--tx); }
.mp__nav { height: 8px; border-radius: 4px; background: var(--sf); display: flex; }
.mp__nav span { width: 30%; background: var(--s); border-radius: 4px; }
.mp__h { font-family: 'Sora', sans-serif; font-weight: 800; font-size: clamp(18px, 2vw, 24px); line-height: 1.1; }
.mp__p { font-size: 13px; line-height: 1.45; opacity: .8; }
.mp__btn { align-self: flex-start; padding: 10px 18px; border-radius: 999px; background: var(--p); color: var(--onp); font-size: 13px; font-weight: 800; }
.demo__fonts { grid-column: 1 / -1; margin: 0; font-size: 13px; font-weight: 700; color: var(--tx); opacity: .7; }
.demo__opts { margin: 0; border: 1px solid var(--line); border-radius: 32px; background: var(--tile); padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.demo__opts legend { padding: 0 8px; font-weight: 800; font-size: 14px; color: var(--mute); }
#demo-options { display: flex; flex-direction: column; gap: 8px; }
.opt { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 16px; border: 1px solid var(--line); cursor: pointer; font-weight: 700; font-size: 15px; transition: border-color .2s ease, background .2s ease; }
.opt:hover { border-color: var(--line2); background: var(--tile2); }
.opt:has(input:checked) { border-color: var(--lime); background: var(--tile2); }
.opt input { position: absolute; opacity: 0; }
.opt:has(input:focus-visible) { outline: 3px solid var(--lime); outline-offset: 2px; }
.opt__dots { display: flex; }
.opt__dots i { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--tile); margin-left: -5px; }
.opt__dots i:first-child { margin-left: 0; }

/* plans */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 18px; }
.plan { border-radius: 28px; padding: 30px; background: var(--tile); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 18px; }
.plan h3 { margin: 0; font-size: 18px; font-weight: 800; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.plan__price { margin: 0; font-size: 40px; font-weight: 800; }
.plan__price span { font-family: 'Manrope', sans-serif; font-size: 16px; color: var(--dim); }
.plan ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: 15px; color: var(--mute); }
.plan li::before { content: '✓'; color: var(--lime); font-weight: 800; margin-right: 8px; }
.plan .btn { margin-top: auto; }
.plan--hot { background: var(--lime); border-color: var(--lime); color: var(--bg); }
.plan--hot ul, .plan--hot .plan__price span { color: var(--bg); font-weight: 600; }
.plan--hot li::before { color: var(--bg); }
.plan__badge { padding: 4px 10px; border-radius: 999px; background: var(--bg); color: var(--lime); font-size: 11px; font-weight: 800; }

/* faq */
.faq__list { display: flex; flex-direction: column; gap: 12px; }
.faq details { border-radius: 20px; background: var(--tile); border: 1px solid var(--line); transition: border-color .2s ease; }
.faq details[open] { border-color: var(--line2); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 26px; font-weight: 800; font-size: 18px; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--lime); font-size: 24px; line-height: 1; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 26px 24px; color: var(--mute); font-size: 16px; line-height: 1.6; max-width: 820px; }

/* cta */
.cta-wrap { padding-block: 100px 80px; }
.cta { position: relative; overflow: hidden; border-radius: 40px; padding: clamp(40px, 6vw, 90px) 32px; background: var(--tile); border: 1px solid var(--line); text-align: center; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.cta > *:not(.orb) { position: relative; }
.cta h2 { margin: 0; font-size: clamp(34px, 5vw, 72px); line-height: 1.02; letter-spacing: -.035em; font-weight: 800; max-width: 900px; }
.cta p { margin: 0; color: var(--mute); font-size: 18px; }

/* footer */
.foot { padding-block: 30px 50px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; color: var(--dim); font-size: 14px; border-top: 1px solid var(--tile2); }
.foot nav { display: flex; gap: 22px; flex-wrap: wrap; }
.foot a { color: var(--dim); }
.foot a:hover { color: var(--tx); }

@media (max-width: 560px) {
  .nav__cta .btn--ghost { display: none; }
  .big { padding: 26px; min-height: 0; }
  .big h3 { font-size: 28px; }
  .sec { padding-block: 80px 20px; }
}