/* ====================================================================
   RebornPixels — main.css (public site)
   Mobile-first: base styles target 360–430px, then scale up.
   Palette: deep black, white, graphite grays, subtle silver glow.
==================================================================== */

:root {
    --bg: #0a0a0b;
    --bg-elev: #121214;
    --bg-card: #151518;
    --border: #26262b;
    --border-light: #333339;
    --text: #f5f5f6;
    --text-dim: #9a9aa2;
    --text-faint: #6b6b73;
    --accent: #f5f5f6;
    --glow: rgba(190, 200, 220, 0.10);
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
    --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img, video { max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.02em; }
p { margin: 0 0 14px; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 720px; }
.container-auth { max-width: 440px; }

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 200;
    background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Focus visibility */
:focus-visible { outline: 2px solid rgba(220, 228, 245, 0.8); outline-offset: 2px; border-radius: 4px; }

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 44px; padding: 11px 22px;
    border-radius: var(--radius-sm); border: 1px solid transparent;
    font: 600 15px/1.2 var(--font); text-decoration: none; cursor: pointer;
    transition: transform var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition);
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
    background: linear-gradient(180deg, #ffffff, #d9d9de);
    color: #0a0a0b;
    box-shadow: 0 2px 20px rgba(220, 228, 245, 0.14), inset 0 1px 0 rgba(255,255,255,.7);
}
.btn-primary:hover { background: #ffffff; }
.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
    color: var(--text);
    backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--border-light); background: rgba(255, 255, 255, 0.07); }
.btn-sm { min-height: 38px; padding: 8px 14px; font-size: 13.5px; }
.btn-lg { min-height: 50px; padding: 14px 28px; font-size: 16px; }
.btn-xl { min-height: 56px; padding: 16px 32px; font-size: 17px; }
.btn-block { width: 100%; }
.btn[disabled], .btn.is-loading { opacity: 0.6; pointer-events: none; }

/* ==================== Header ==================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    border: 0;
    box-shadow: none;
    pointer-events: none;
}
.site-header.is-scrolled {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    min-height: 58px;
    padding-top: max(8px, env(safe-area-inset-top, 0px));
    background: transparent;
    border: 0;
    box-shadow: none;
    pointer-events: auto;
}
.site-header .container {
    background: transparent;
    border: 0;
    box-shadow: none;
}
.main-nav { display: none; }
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}
.header-actions .btn-ghost { display: none; }
.site-header .lang-btn,
.site-header .menu-toggle {
    background: rgba(10, 10, 11, 0.42);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .header-actions .btn {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.logo { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-size: 18px; font-weight: 500; letter-spacing: -0.01em; }
.logo-text strong { font-weight: 800; }
.logo-mark {
    width: 26px; height: 26px; border-radius: 7px; flex: 0 0 auto;
    background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.35), transparent 60%),
        linear-gradient(135deg, #3c3c44, #17171a);
    border: 1px solid var(--border-light);
    position: relative;
}
.logo-mark::after {
    content: ''; position: absolute; inset: 7px;
    background: linear-gradient(180deg, #fff, #999);
    clip-path: polygon(0 0, 100% 0, 100% 35%, 55% 35%, 90% 100%, 55% 100%, 30% 55%, 30% 100%, 0 100%);
}

.menu-toggle {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 4.5px;
    width: 44px; height: 44px; padding: 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.menu-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.main-nav.is-open {
    display: flex; flex-direction: column;
    position: fixed; top: calc(58px + env(safe-area-inset-top, 0px)); left: 0; right: 0;
    background: rgba(12, 12, 14, 0.97);
    backdrop-filter: blur(16px);
    padding: 10px 20px 18px;
}
.main-nav a {
    text-decoration: none; color: var(--text-dim);
    padding: 12px 4px; font-size: 15px; min-height: 44px; display: flex; align-items: center;
    transition: color var(--transition);
}
.main-nav a:hover { color: var(--text); }

/* Language switcher */
.lang-switcher { position: relative; }
.lang-btn {
    display: inline-flex; align-items: center; gap: 6px;
    min-height: 38px; padding: 8px 10px;
    background: none; border: none; border-radius: var(--radius-sm);
    color: var(--text-dim); font: 600 12.5px var(--font); cursor: pointer;
    transition: background var(--transition), color var(--transition);
}
.lang-btn:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }
.lang-menu {
    position: absolute; right: 0; top: calc(100% + 6px); z-index: 110;
    margin: 0; padding: 6px; list-style: none; min-width: 150px;
    background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    display: none;
}
.lang-switcher.is-open .lang-menu { display: block; }
.lang-menu a {
    display: flex; align-items: center; min-height: 40px; padding: 8px 12px;
    text-decoration: none; color: var(--text-dim); border-radius: 7px; font-size: 14px;
}
.lang-menu a:hover { background: rgba(255,255,255,.06); color: var(--text); }
.lang-menu [aria-selected="true"] a { color: var(--text); font-weight: 600; }

/* ==================== Flash / alerts ==================== */
.flash { padding: 12px 0; font-size: 14px; }
.flash-error { background: rgba(160, 60, 60, 0.15); border-bottom: 1px solid rgba(160, 60, 60, 0.3); }
.alert { padding: 12px 14px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 16px; border: 1px solid; }
.alert-success { background: rgba(80, 160, 110, 0.12); border-color: rgba(80, 160, 110, 0.35); color: #b8e6cb; }
.alert-error { background: rgba(190, 80, 80, 0.12); border-color: rgba(190, 80, 80, 0.35); color: #eec1c1; }

/* ==================== Sections ==================== */
.section { padding: 64px 0; }
.section-header { text-align: center; max-width: 620px; margin: 0 auto 36px; }
.section-header h2 { font-size: clamp(26px, 6vw, 38px); font-weight: 800; }
.section-header p { color: var(--text-dim); font-size: 16px; }
.section .card,
.section .faq-item,
.section .vsl-player,
.section .compare-box {
    border: none;
}

.card {
    background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.008)), var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 500ms ease, transform 500ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .typing-cursor { animation: none !important; opacity: 1 !important; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ==================== Hero ==================== */
.hero {
    position: relative;
    padding: calc(58px + 48px + env(safe-area-inset-top, 0px)) 0 56px;
    overflow: hidden;
}
main#conteudo {
    padding-top: calc(58px + env(safe-area-inset-top, 0px));
}
main#conteudo > .hero:first-child {
    margin-top: calc(-1 * (58px + env(safe-area-inset-top, 0px)));
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-glow {
    position: absolute; width: 480px; height: 480px; border-radius: 50%;
    background: radial-gradient(circle, var(--glow), transparent 65%);
    top: -180px; left: 50%; transform: translateX(-50%);
    transition: transform 400ms ease-out;
}
.hero-inner {
    position: relative; display: flex; flex-direction: column; gap: 40px;
    align-items: center; text-align: center;
}
.hero-copy {
    display: flex; flex-direction: column; align-items: center;
    width: 100%;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 7px 14px; border-radius: 999px;
    background: rgba(255,255,255,0.05); border: 1px solid var(--border);
    font-size: 12.5px; font-weight: 600; color: var(--text-dim);
    letter-spacing: 0.02em;
    backdrop-filter: blur(6px);
}
.hero-headline {
    font-size: clamp(32px, 8.6vw, 56px);
    font-weight: 800; letter-spacing: -0.03em; margin: 16px 0 4px;
    background: linear-gradient(180deg, #ffffff 55%, #a3a3ac);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-typing {
    min-height: 2.2em; font-size: clamp(19px, 5vw, 27px); font-weight: 600; color: var(--text-dim);
    display: flex; align-items: baseline; justify-content: center;
}
.typing-cursor {
    display: inline-block; width: 2px; height: 1.1em; margin-left: 3px;
    background: var(--text); vertical-align: text-bottom;
    animation: blink 1.05s step-end infinite;
    align-self: center;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-sub { color: var(--text-dim); font-size: 16.5px; max-width: 540px; margin: 10px auto 0; }
.hero-ctas {
    display: flex; flex-direction: column; gap: 10px; margin-top: 20px;
    align-items: center; justify-content: center; width: 100%;
}

/* Hero visual (standalone section or legacy) */
.hero-visual { display: flex; justify-content: center; width: 100%; }
.section-hero-compare {
    padding: 8px 0 40px;
}
.section-hero-compare .hero-visual { margin: 0 auto; }
.hero-text-only .hero-inner { gap: 28px; }
.hero-text-only { padding-bottom: 40px; }
.hero-frame { position: relative; width: 100%; max-width: 460px; margin: 0 auto; }
.hero-compare {
    position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius);
    overflow: hidden; border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    background: var(--bg-elev);
}
.hero-compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-img-after { clip-path: inset(0 0 0 50%); }
.hero-placeholder {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
}
.hero-placeholder-before {
    background:
        repeating-linear-gradient(45deg, rgba(255,255,255,.023) 0 12px, transparent 12px 24px),
        linear-gradient(150deg, #232326, #101012);
    color: var(--text-faint);
    filter: blur(0.4px) contrast(0.92);
}
.hero-placeholder-after {
    clip-path: inset(0 0 0 50%);
    background:
        radial-gradient(circle at 65% 35%, rgba(215, 225, 245, 0.14), transparent 55%),
        linear-gradient(150deg, #2e2e33, #131316);
    color: var(--text-dim);
}
.hero-placeholder-after span { transform: translateX(50%); }
.hero-scanline {
    position: absolute; top: 0; bottom: 0; left: 50%; width: 1.5px;
    background: linear-gradient(180deg, transparent, rgba(240, 244, 252, 0.85), transparent);
    box-shadow: 0 0 18px rgba(220, 230, 250, 0.5);
}
[data-animations="1"] .hero-scanline { animation: scan 5.5s ease-in-out infinite alternate; }
[data-animations="1"] .hero-img-after,
[data-animations="1"] .hero-placeholder-after { animation: scanclip 5.5s ease-in-out infinite alternate; }
@keyframes scan { from { left: 22%; } to { left: 78%; } }
@keyframes scanclip { from { clip-path: inset(0 0 0 22%); } to { clip-path: inset(0 0 0 78%); } }
@media (prefers-reduced-motion: reduce) {
    .hero-scanline, .hero-img-after, .hero-placeholder-after { animation: none !important; }
}

/* ==================== Highlights marquee ==================== */
.landing-marquee {
    position: relative;
    overflow: hidden;
    border-block: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    padding: 14px 0;
}
.landing-marquee-fade {
    position: absolute;
    top: 0;
    bottom: 0;
    width: clamp(32px, 8vw, 120px);
    z-index: 2;
    pointer-events: none;
}
.landing-marquee-fade-left {
    left: 0;
    background: linear-gradient(90deg, var(--bg) 10%, transparent);
}
.landing-marquee-fade-right {
    right: 0;
    background: linear-gradient(270deg, var(--bg) 10%, transparent);
}
.landing-marquee-track {
    display: flex;
    width: max-content;
    animation: landing-marquee-scroll 38s linear infinite;
    will-change: transform;
}
.landing-marquee:hover .landing-marquee-track { animation-play-state: paused; }
.landing-marquee-segment {
    display: flex;
    align-items: center;
    white-space: nowrap;
}
.landing-marquee-chunk {
    display: inline-flex;
    align-items: center;
    padding: 0 22px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--text-dim);
    text-transform: uppercase;
}
.landing-marquee-sep {
    color: rgba(255, 255, 255, 0.16);
    font-size: 13px;
    font-weight: 300;
    user-select: none;
}
@keyframes landing-marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
    .landing-marquee-track {
        animation: none;
        flex-wrap: wrap;
        width: 100%;
        justify-content: center;
        gap: 4px 0;
        padding: 4px 12px;
    }
    .landing-marquee-segment[aria-hidden="true"] { display: none; }
    .landing-marquee-segment { flex-wrap: wrap; justify-content: center; }
    .landing-marquee-fade { display: none; }
}

/* ==================== Examples carousel ==================== */
.section-examples { padding-top: 72px; padding-bottom: 72px; }
.examples-stage {
    max-width: 860px;
    margin: 0 auto;
}
.examples-header {
    text-align: center;
    margin: 0 auto 32px;
    max-width: 640px;
}
.examples-eyebrow {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-faint);
}
.examples-header h2 {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-size: clamp(28px, 5.2vw, 40px);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.12;
}
.examples-lead {
    margin: 0;
    font-size: 15.5px;
    line-height: 1.55;
    color: var(--text-dim);
}
.carousel { position: relative; }
.carousel-track { position: relative; overflow: hidden; border-radius: var(--radius); }
.carousel-slide { display: none; }
.carousel-slide.is-active { display: block; }
.compare-box {
    position: relative;
    aspect-ratio: var(--compare-aspect, 16 / 10);
    container-type: inline-size;
    overflow: hidden;
    border-radius: var(--radius); border: 1px solid var(--border);
    background: var(--bg-elev);
    touch-action: pan-y;
    user-select: none;
}
.compare-box img {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: contain; object-position: center;
    -webkit-user-drag: none;
}
.compare-before-wrap { position: absolute; inset: 0; overflow: hidden; width: 50%; }
.compare-before-wrap .compare-before {
    width: 100cqw; max-width: none; height: 100%;
    object-fit: contain; object-position: left center;
}
.compare-handle {
    position: absolute; top: 0; bottom: 0; left: 50%; width: 44px; margin-left: -22px;
    display: flex; align-items: center; justify-content: center;
    cursor: ew-resize; z-index: 5;
}
.compare-handle-line { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; margin-left: -1px; background: rgba(250, 250, 252, 0.9); box-shadow: 0 0 14px rgba(0,0,0,.5); }
.compare-handle-grip {
    position: relative; z-index: 2;
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(20, 20, 23, 0.9); border: 1px solid var(--border-light);
    display: flex; align-items: center; justify-content: center;
    color: var(--text); backdrop-filter: blur(8px);
    box-shadow: 0 4px 18px rgba(0,0,0,.5);
}
.compare-tag {
    position: absolute; top: 12px; z-index: 4;
    padding: 4px 10px; border-radius: 999px;
    background: rgba(12, 12, 14, 0.75); border: 1px solid var(--border);
    font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--text-dim); backdrop-filter: blur(6px);
}
.compare-tag-before { left: 12px; }
.compare-tag-after { right: 12px; }
.slide-info {
    text-align: center;
    padding: 22px 20px 6px;
    max-width: 520px;
    margin: 0 auto;
}
.slide-category {
    display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px;
    font-family: var(--font-display);
}
.slide-info h3 {
    font-family: var(--font-display);
    font-size: clamp(18px, 4vw, 22px);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.25;
    margin: 0 0 8px;
}
.slide-info p { color: var(--text-dim); font-size: 14.5px; line-height: 1.55; margin: 0; }

.carousel-arrow {
    display: none;
    position: absolute; top: 38%; z-index: 6;
    width: 44px; height: 44px; border-radius: 50%;
    background: rgba(18, 18, 21, 0.85); border: 1px solid var(--border-light);
    color: var(--text); cursor: pointer;
    align-items: center; justify-content: center;
    transition: background var(--transition), border-color var(--transition);
    backdrop-filter: blur(8px);
}
.carousel-arrow:hover { background: rgba(35, 35, 40, 0.95); }
.carousel-prev { left: -8px; }
.carousel-next { right: -8px; }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }
.carousel-dots button {
    width: 22px; height: 22px; padding: 8px; border: 0; background: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.carousel-dots button::after {
    content: ''; width: 7px; height: 7px; border-radius: 50%;
    background: var(--border-light); transition: background var(--transition), transform var(--transition);
}
.carousel-dots button.is-active::after { background: var(--text); transform: scale(1.25); }

/* ==================== VSL ==================== */
.vsl-player {
    position: relative; aspect-ratio: 16 / 9;
    border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--border); background: var(--bg-elev);
    box-shadow: var(--shadow);
}
.vsl-player iframe, .vsl-player video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vsl-poster {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(150deg, #202024, #0e0e10) center/cover no-repeat;
    cursor: pointer;
}
.vsl-poster::after { content: ''; position: absolute; inset: 0; background: rgba(5, 5, 6, 0.35); }
.vsl-play-btn {
    position: relative; z-index: 2;
    width: 72px; height: 72px; border-radius: 50%;
    background: rgba(245, 245, 246, 0.95); color: #0a0a0b;
    border: 0; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 40px rgba(0,0,0,.55);
    transition: transform var(--transition);
}
.vsl-play-btn:hover { transform: scale(1.06); }
.vsl-play-btn svg { margin-left: 4px; }
.vsl-caption { text-align: center; color: var(--text-faint); font-size: 13.5px; margin-top: 14px; }
.vsl-cta { text-align: center; margin-top: 22px; }

/* ==================== Benefits ==================== */
.benefits-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.benefit-card { transition: border-color var(--transition), transform var(--transition); }
.benefit-card:hover { border-color: var(--border-light); transform: translateY(-2px); }
.benefit-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 12px;
    background: rgba(255,255,255,0.05); border: 1px solid var(--border);
    color: var(--text); margin-bottom: 14px;
}
.benefit-card h3 { font-size: 17px; }
.benefit-card p { color: var(--text-dim); font-size: 14.5px; margin: 0; }

/* ==================== Use cases (3D stack carousel) ==================== */
.section-use-cases { overflow: hidden; padding-bottom: 72px; }
.use-cases-header { text-align: center; }
.use-cases-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; margin: 0 auto 14px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    border: 1px solid var(--border);
    color: #e8d49a;
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.use-cases-subtitle { color: var(--text-dim); font-size: 16px; margin-top: 8px; }
.use-cases-subtitle strong { color: var(--text); font-weight: 600; }
.use-cases-stack-shell {
    position: relative;
    margin-top: 28px;
    padding: 8px 0 0;
}
.use-cases-hint {
    text-align: center;
    font-size: 12.5px;
    color: var(--text-faint);
    margin: 0 0 18px;
    letter-spacing: 0.02em;
}
.use-cases-stack {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    padding: 12px 0 36px;
    cursor: grab;
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
}
.use-cases-stack.is-dragging { cursor: grabbing; }
.use-cases-track {
    position: relative;
    height: 280px;
    margin: 0 auto;
    max-width: 920px;
    perspective: 1400px;
    transform-style: preserve-3d;
}
.use-cases-card {
    position: absolute;
    top: 0;
    left: 50%;
    width: min(296px, 86vw);
    margin-left: calc(min(296px, 86vw) / -2);
    transform-style: preserve-3d;
    transition: transform 450ms cubic-bezier(0.22, 1, 0.36, 1), opacity 350ms ease;
    will-change: transform;
}
.use-cases-card-inner {
    min-height: 220px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)), var(--bg-card);
    box-shadow: none;
}
.use-cases-card.is-active .use-cases-card-inner {
    border-color: rgba(255,255,255,0.14);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}
.use-cases-card:not(.is-active) .use-cases-card-inner {
    border-color: rgba(255, 255, 255, 0.06);
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)), var(--bg-card);
}
.use-cases-card-inner h3 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
}
.use-cases-card-inner p {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--text-dim);
    flex: 1;
}
.use-cases-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}
.use-cases-dots button {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: rgba(255,255,255,0.18);
    cursor: pointer;
    transition: transform var(--transition), background var(--transition);
}
.use-cases-dots button.is-active {
    background: var(--text);
    transform: scale(1.15);
}
.use-cases-dots button:focus-visible {
    outline: 2px solid var(--text-dim);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .use-cases-card { transition: none; }
    .use-cases-stack { cursor: default; }
}

/* ==================== Categories ==================== */
.categories-cloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.category-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 11px 18px; border-radius: 999px;
    background: rgba(255,255,255,0.035); border: 1px solid var(--border);
    font-size: 14px; font-weight: 500; color: var(--text-dim);
    transition: border-color var(--transition), color var(--transition), background var(--transition);
    min-height: 44px;
}
.category-pill:hover { border-color: var(--border-light); color: var(--text); background: rgba(255,255,255,0.06); }
.category-dot { width: 6px; height: 6px; border-radius: 50%; background: linear-gradient(180deg, #d9dfeb, #83878f); }

/* ==================== How it works ==================== */
.steps-grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.step-card { position: relative; }
.step-number {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 50%;
    background: linear-gradient(180deg, #fff, #cfcfd6); color: #0a0a0b;
    font-weight: 800; font-size: 16px; margin-bottom: 14px;
}
.step-card h3 { font-size: 17px; }
.step-card p { color: var(--text-dim); font-size: 14.5px; margin: 0; }

/* ==================== Included ==================== */
.included-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.included-list li {
    display: flex; align-items: center; gap: 12px;
    padding: 13px 16px; border-radius: var(--radius-sm);
    font-size: 15px;
    transition: background var(--transition);
}
.included-list li:hover { background: rgba(255,255,255,0.03); }
.included-list svg { color: #9fe6b5; flex: 0 0 auto; }

/* ==================== Compare columns ==================== */
.compare-columns { display: grid; grid-template-columns: 1fr; gap: 14px; max-width: 760px; margin: 0 auto; }
.compare-col ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.compare-col li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; }
.compare-col li svg { flex: 0 0 auto; margin-top: 3px; }
.compare-col h3 { font-size: 16.5px; margin-bottom: 16px; }
.compare-col-without { opacity: 0.85; }
.compare-col-without li { color: var(--text-faint); }
.compare-col-without svg { color: #8a8a92; }
.compare-col-with { background: linear-gradient(180deg, rgba(215, 225, 245, 0.04), rgba(255,255,255,0.008)), var(--bg-card); }
.compare-col-with svg { color: #9fe6b5; }

/* ==================== Testimonials (infinite marquee) ==================== */
.section-testimonials { overflow: hidden; }
.section-testimonials .section-header { margin-bottom: 28px; }

.testimonials-marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0%, #000 6%, #000 94%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 6%, #000 94%, transparent 100%);
}
.testimonials-track {
    display: flex;
    width: max-content;
    animation: testimonials-scroll 55s linear infinite;
    will-change: transform;
}
.testimonials-marquee:hover .testimonials-track { animation-play-state: paused; }
.testimonials-segment {
    display: flex;
    gap: 16px;
    padding-right: 16px;
}
.testimonial-card {
    position: relative;
    flex: 0 0 auto;
    width: min(340px, 82vw);
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 22px 20px 18px;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01)), var(--bg-card);
    border: 1px solid var(--border);
}
.testimonial-quote {
    position: absolute;
    top: 10px;
    right: 16px;
    font-size: 42px;
    line-height: 1;
    font-weight: 800;
    color: rgba(255,255,255,0.06);
    pointer-events: none;
}
.demo-badge {
    position: absolute; top: 12px; left: 12px;
    padding: 3px 9px; border-radius: 999px;
    background: rgba(200, 170, 90, 0.14); border: 1px solid rgba(200, 170, 90, 0.35);
    font-size: 10.5px; font-weight: 700; color: #e0c98b; letter-spacing: 0.04em; text-transform: uppercase;
}
.testimonial-rating { display: flex; gap: 2px; color: #e3cf96; }
.testimonial-message {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--text-dim);
    flex: 1;
}
.testimonial-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 4px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.testimonial-author { display: flex; align-items: center; gap: 11px; min-width: 0; }
.testimonial-avatar-img { border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.testimonial-avatar {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--bg-elev); border: 1px solid var(--border-light);
    font-weight: 700; flex: 0 0 auto;
}
.testimonial-name { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.testimonial-name strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.testimonial-name small { font-size: 12px; color: var(--text-faint); }
.testimonial-verified {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    flex: 0 0 auto;
    font-size: 11.5px;
    font-weight: 600;
    color: #8fd4a8;
    white-space: nowrap;
}
.testimonial-verified svg { opacity: 0.95; }

@keyframes testimonials-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
    .testimonials-track {
        animation: none;
        flex-wrap: wrap;
        width: 100%;
        justify-content: center;
        gap: 16px;
        padding: 0 16px 8px;
    }
    .testimonials-segment { flex-wrap: wrap; justify-content: center; padding-right: 0; }
    .testimonials-segment[aria-hidden="true"] { display: none; }
    .testimonials-marquee { mask-image: none; -webkit-mask-image: none; }
}

/* ==================== Offer ==================== */
.section-offer { padding-top: 40px; }
.offer-card {
    text-align: center; padding: 36px 24px;
    border-color: var(--border-light);
    background:
        radial-gradient(ellipse 90% 45% at 50% 0%, rgba(215, 225, 245, 0.055), transparent),
        linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.005)), var(--bg-card);
    box-shadow: var(--shadow);
}
.offer-badge {
    display: inline-block; padding: 6px 14px; border-radius: 999px;
    background: rgba(255,255,255,0.06); border: 1px solid var(--border-light);
    font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--text-dim); margin-bottom: 16px;
}
.offer-card h2 { font-size: clamp(24px, 6vw, 32px); }
.offer-type { color: var(--text-dim); font-size: 14.5px; }
.offer-price { margin: 22px 0; }
.offer-compare { display: block; color: var(--text-faint); font-size: 15px; margin-bottom: 4px; }
.offer-amount { display: flex; align-items: baseline; justify-content: center; gap: 10px; flex-wrap: wrap; }
.offer-for { color: var(--text-dim); font-size: 16px; }
.offer-amount strong {
    font-size: clamp(40px, 11vw, 56px); font-weight: 800; letter-spacing: -0.03em;
    background: linear-gradient(180deg, #fff 60%, #b9b9c2);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.offer-discount {
    padding: 4px 10px; border-radius: 999px;
    background: rgba(120, 200, 150, 0.12); border: 1px solid rgba(120, 200, 150, 0.3);
    color: #a9e3c0; font-size: 12.5px; font-weight: 700;
}
.offer-countdown { color: var(--text-dim); font-size: 14px; }
.offer-countdown time { font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.offer-includes {
    margin: 22px auto 26px; padding: 0; list-style: none;
    display: grid; gap: 9px; text-align: left; max-width: 420px;
}
.offer-includes li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--text-dim); }
.offer-includes svg { color: #9fe6b5; flex: 0 0 auto; }
.offer-trust { margin-top: 20px; display: grid; gap: 4px; }
.offer-trust p { margin: 0; font-size: 12.5px; color: var(--text-faint); display: flex; align-items: center; justify-content: center; gap: 6px; }

/* ==================== FAQ ==================== */
.faq-list { display: grid; gap: 10px; }
.faq-item {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color var(--transition);
}
.section .faq-item[open] { background: rgba(255, 255, 255, 0.03); }
.faq-item summary {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    padding: 16px 18px; cursor: pointer; list-style: none;
    font-weight: 600; font-size: 15px; min-height: 44px;
    user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron { flex: 0 0 auto; color: var(--text-faint); transition: transform var(--transition); }
.faq-item[open] .faq-chevron { transform: rotate(180deg); }
.faq-answer { padding: 0 18px 16px; color: var(--text-dim); font-size: 14.5px; }
.faq-answer p { margin: 0; }

/* ==================== Footer ==================== */
.site-footer { border-top: 1px solid var(--border); padding: 44px 0 26px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
.footer-brand p { color: var(--text-faint); font-size: 13.5px; max-width: 320px; margin-top: 14px; }
.footer-contact a { color: var(--text-dim); }
.footer-links { display: grid; gap: 4px; align-content: start; }
.footer-links h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-faint); margin-bottom: 8px; }
.footer-links a {
    color: var(--text-dim); text-decoration: none; font-size: 14px;
    padding: 8px 0; min-height: 40px; display: flex; align-items: center;
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--text); }
.footer-lang { display: flex; gap: 6px; align-items: center; color: var(--text-faint); font-size: 13px; padding-top: 8px; }
.footer-lang a { display: inline; min-height: auto; padding: 4px; }
.footer-bottom { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--border); }
.footer-bottom p { color: var(--text-faint); font-size: 12.5px; margin: 0 0 4px; }

/* ==================== Cookie notice ==================== */
.cookie-notice {
    position: fixed; left: 14px; right: 14px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 200;
    display: flex; flex-direction: column; gap: 12px;
    padding: 16px 18px;
    background: rgba(16, 16, 19, 0.96); border: 1px solid var(--border-light); border-radius: var(--radius);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
    pointer-events: auto;
    touch-action: manipulation;
}
.cookie-notice[hidden],
.cookie-notice.is-dismissed {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
}
.cookie-notice p { margin: 0; font-size: 13.5px; color: var(--text-dim); line-height: 1.45; }
.cookie-notice .btn { width: 100%; min-height: 48px; flex-shrink: 0; }

/* ==================== Auth / payment pages ==================== */
body.auth-layout-page .site-footer {
    display: none;
}
body.auth-layout-page main#conteudo {
    padding-top: calc(58px + env(safe-area-inset-top, 0px));
}

.auth-login-page {
    min-height: calc(100dvh - 58px - env(safe-area-inset-top, 0px));
    display: flex;
    padding: 20px 0 32px;
}
.auth-login-shell {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: stretch;
}
@media (max-width: 979px) {
    .auth-login-shell { gap: 16px; }
    .auth-login-panel { order: -1; }
    .auth-login-showcase { padding: 20px 18px; gap: 12px; }
    .auth-login-showcase-title { max-width: none; }
    .auth-login-typing { min-height: 3.2em; }
    .auth-login-perks { gap: 8px; }
    .auth-login-card { padding: 24px 20px; }
}
.auth-login-showcase {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 24px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background:
        radial-gradient(ellipse 80% 60% at 20% 0%, rgba(190, 200, 220, 0.08), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)), var(--bg-card);
    overflow: hidden;
}
.auth-login-logo { align-self: flex-start; margin-bottom: 4px; }
.auth-login-eyebrow {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-faint);
}
.auth-login-showcase-title {
    margin: 0;
    font-size: clamp(24px, 6vw, 34px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    max-width: 16ch;
}
.auth-login-typing {
    min-height: 2.4em;
    font-size: clamp(16px, 4vw, 19px);
    font-weight: 600;
    color: var(--text-dim);
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0;
}
.auth-login-perks {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}
.auth-login-perks li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dim);
}
.auth-login-perks svg { color: #9fe6b5; flex: 0 0 auto; }

.auth-login-panel {
    display: flex;
    align-items: center;
    justify-content: center;
}
.auth-login-card {
    width: 100%;
    max-width: 440px;
    padding: 28px 24px;
    box-shadow: var(--shadow);
}
.auth-login-card h1 {
    font-size: clamp(22px, 5vw, 26px);
    margin-bottom: 6px;
}
.auth-login-form { margin-top: 20px; }
.auth-login-form .btn-lg { margin-top: 4px; }

.auth-page, .payment-page { min-height: 62vh; display: flex; align-items: center; }
.auth-card, .payment-card { padding: 32px 26px; }
.auth-card h1, .payment-card h1 { font-size: 24px; }
.auth-subtitle { color: var(--text-dim); font-size: 14.5px; margin: 0 0 4px; }
.auth-links { margin-top: 22px; display: grid; gap: 8px; font-size: 14px; text-align: center; }
.auth-links a { color: var(--text-dim); text-decoration: none; font-weight: 600; }
.auth-links a:hover { color: var(--text); }
.auth-links p { margin: 0; color: var(--text-faint); }

@media (min-width: 980px) {
    .auth-login-page { padding: 32px 0 48px; align-items: center; }
    .auth-login-shell {
        grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
        gap: 40px;
        align-items: center;
    }
    .auth-login-showcase {
        min-height: 520px;
        justify-content: center;
        padding: 40px 36px;
    }
    .auth-login-showcase-title { max-width: 14ch; }
    .auth-login-panel { justify-content: flex-end; }
    .auth-login-card { padding: 36px 32px; }
    .auth-links { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
    .auth-login-typing .typing-cursor { animation: none !important; opacity: 1; }
}

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--text-dim); }
.field input[type="text"], .field input[type="email"], .field input[type="password"],
.field input[type="number"], .field input[type="url"], .field input[type="date"],
.field input[type="datetime-local"], .field select, .field textarea {
    width: 100%; min-height: 46px; padding: 12px 14px;
    background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text); font: 400 15px var(--font);
    transition: border-color var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: #5a5a64; outline: none; }
.field input[readonly] { opacity: 0.65; }
.field input[aria-invalid="true"] { border-color: rgba(190, 80, 80, 0.6); }
.field-hint { font-size: 12.5px; color: var(--text-faint); margin: 6px 0 0; }
.field-error { font-size: 12.5px; color: #e89b9b; margin: 6px 0 0; }
.field-checkbox label { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--text-dim); font-size: 14px; cursor: pointer; }
.field-checkbox input { width: 18px; height: 18px; margin-top: 2px; accent-color: #e8e8ec; }

.payment-card { text-align: center; }
.payment-spinner { display: flex; justify-content: center; gap: 7px; margin-bottom: 22px; }
.payment-spinner span { width: 9px; height: 9px; border-radius: 50%; background: var(--text-dim); animation: bounce 1.2s ease-in-out infinite; }
.payment-spinner span:nth-child(2) { animation-delay: 0.15s; }
.payment-spinner span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce { 30% { transform: translateY(-8px); opacity: 1; } 60% { transform: none; opacity: 0.5; } }
.payment-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 62px; height: 62px; border-radius: 50%; margin-bottom: 18px;
}
.payment-icon-success { background: rgba(120, 200, 150, 0.12); border: 1px solid rgba(120, 200, 150, 0.35); color: #9fe6b5; }
.payment-icon-error { background: rgba(200, 110, 110, 0.12); border: 1px solid rgba(200, 110, 110, 0.35); color: #e6a1a1; }
.payment-icon-pending { background: rgba(210, 190, 130, 0.1); border: 1px solid rgba(210, 190, 130, 0.3); color: #e0cd96; }
.payment-card p { color: var(--text-dim); font-size: 14.5px; }
.payment-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.payment-support { margin-top: 26px; font-size: 13px !important; color: var(--text-faint) !important; }
.payment-support a { color: var(--text-dim); }
.payment-state .btn { margin-top: 10px; }

/* ==================== Legal ==================== */
.legal-page h1 { font-size: 30px; margin-bottom: 24px; }
.legal-content { color: var(--text-dim); font-size: 15px; line-height: 1.7; }
.legal-content p { margin: 0 0 14px; }
.legal-hint { font-size: 13px; color: var(--text-faint); }

/* ==================== Skeleton loading ==================== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-elev) 25%, #1c1c20 50%, var(--bg-elev) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
    border-radius: var(--radius-sm);
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ====================================================================
   Tablet (>= 640px)
==================================================================== */
@media (min-width: 640px) {
    .section { padding: 84px 0; }
    .hero-ctas { flex-direction: row; justify-content: center; flex-wrap: wrap; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(3, 1fr); }
    .compare-columns { grid-template-columns: 1fr 1fr; }
    .included-list { grid-template-columns: 1fr 1fr; gap: 6px 20px; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .cookie-notice { flex-direction: row; align-items: center; max-width: 620px; left: auto; }
    .cookie-notice .btn { width: auto; min-height: 44px; }
    .offer-card { padding: 48px 44px; }
    .payment-actions { flex-direction: row; justify-content: center; }
}

/* ====================================================================
   Desktop (>= 980px)
==================================================================== */
@media (min-width: 980px) {
    .menu-toggle { display: none; }
    .main-nav { display: none; }
    .header-actions .btn-ghost { display: inline-flex; }
    .hero { padding: calc(58px + 84px + env(safe-area-inset-top, 0px)) 0 56px; }
    .hero-text-only { padding-bottom: 48px; }
    .hero-text-only .hero-inner,
    .hero-text-only .hero-copy {
        align-items: center;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-text-only .hero-ctas {
        justify-content: center;
        align-items: center;
    }
    .section-hero-compare { padding: 12px 0 56px; }
    .section-hero-compare .hero-frame { max-width: 520px; }
    .hero-inner { gap: 32px; }
    .benefits-grid { grid-template-columns: repeat(4, 1fr); }
    .carousel-arrow { display: flex; }
    .carousel-prev { left: -22px; }
    .carousel-next { right: -22px; }
}