/* ==========================================================================
   DownCineVS — estilos
   Paleta: preto profundo, cinza-escuro, azul da logo, branco/cinza-claro.
   ========================================================================== */

:root {
    --bg: #05070a;
    --bg-2: #0a0d12;
    --surface: #11151c;
    --surface-2: #161b24;
    --border: rgba(255, 255, 255, .08);
    --border-strong: rgba(255, 255, 255, .14);
    --text: #f2f5f8;
    --text-2: #a7b0bc;
    --text-3: #6f7a88;
    --blue: #2a9fdc;
    --blue-2: #1aa6d9;
    --blue-3: #5cc4f2;
    --blue-deep: #0f5e8c;
    --glow: rgba(42, 159, 220, .35);
    --radius: 18px;
    --radius-sm: 12px;
    --header-h: 72px;
    --container: 1180px;
    --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
    --ease: cubic-bezier(.2, .7, .2, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 12px);
    -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 { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
strong { color: var(--text); font-weight: 700; }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -.02em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

.icon { width: 1.15em; height: 1.15em; flex: none; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 200;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--blue);
    color: #fff;
    font-weight: 600;
    transition: top .2s;
}
.skip-link:focus { top: 12px; }

:focus-visible {
    outline: 2px solid var(--blue-3);
    outline-offset: 3px;
    border-radius: 8px;
}

.text-gradient {
    background: linear-gradient(100deg, #7fd3f7 0%, var(--blue) 45%, var(--blue-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ---------- Botões ---------- */
.btn {
    --btn-y: 0;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55em;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 600;
    font-size: .98rem;
    line-height: 1.2;
    cursor: pointer;
    transform: translateY(var(--btn-y));
    transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s, border-color .25s, color .25s;
    white-space: nowrap;
}
.btn:hover { --btn-y: -2px; }
.btn:active { --btn-y: 0; transform: translateY(0) scale(.98); }

.btn-primary {
    background: linear-gradient(135deg, #38b3ec, var(--blue) 50%, #1f86c2);
    color: #fff;
    box-shadow: 0 8px 24px -8px var(--glow), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.btn-primary:hover { box-shadow: 0 14px 34px -10px rgba(42, 159, 220, .65), inset 0 1px 0 rgba(255, 255, 255, .3); }

.btn-ghost {
    background: rgba(255, 255, 255, .03);
    border-color: var(--border-strong);
    color: var(--text);
    backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: rgba(92, 196, 242, .55); background: rgba(42, 159, 220, .08); }

.btn-sm { padding: 9px 16px; font-size: .9rem; }
.btn-lg { padding: 15px 28px; font-size: 1.02rem; }
.btn-block { width: 100%; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: .5em;
    padding: 7px 14px;
    border: 1px solid rgba(42, 159, 220, .35);
    border-radius: 999px;
    background: rgba(42, 159, 220, .1);
    color: var(--blue-3);
    font-size: .85rem;
    font-weight: 600;
}

.eyebrow {
    display: inline-block;
    color: var(--blue-3);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

/* ---------- Cabeçalho ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    height: var(--header-h);
    transition: background-color .3s, border-color .3s, backdrop-filter .3s, transform .35s var(--ease);
    border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
    background: rgba(5, 7, 10, .78);
    border-bottom-color: var(--border);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
}
.site-header.is-hidden { transform: translateY(-100%); }

.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 100%;
}
.brand img { width: 136px; height: auto; }

.main-nav { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.main-nav ul { display: flex; gap: 6px; }
.main-nav ul a {
    position: relative;
    display: block;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text-2);
    font-size: .95rem;
    font-weight: 500;
    transition: color .2s, background-color .2s;
}
.main-nav ul a:hover { color: var(--text); background: rgba(255, 255, 255, .05); }
.main-nav ul a.is-active { color: var(--text); }
.main-nav ul a.is-active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 2px;
    width: 4px;
    height: 4px;
    margin-left: -2px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 10px var(--blue);
}
.nav-cta { display: none; }
.header-cta { display: inline-flex; }

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    margin-left: auto;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    background: rgba(255, 255, 255, .04);
    color: var(--text);
    cursor: pointer;
}
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle .nav-toggle-open { display: inline-flex; }
.nav-toggle .nav-toggle-close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-close { display: inline-flex; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-h) + 40px) 0 80px;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(1000px 600px at 78% 40%, rgba(42, 159, 220, .14), transparent 60%),
        radial-gradient(700px 500px at 10% 10%, rgba(15, 94, 140, .18), transparent 60%),
        linear-gradient(180deg, #070a0f 0%, var(--bg) 100%);
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
    pointer-events: none;
}
.hero-particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}
.hero-glow {
    position: absolute;
    left: 50%;
    bottom: -280px;
    width: 1100px;
    height: 420px;
    margin-left: -550px;
    border-radius: 50%;
    background: radial-gradient(closest-side, rgba(42, 159, 220, .22), transparent);
    filter: blur(20px);
    z-index: -1;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    gap: 48px;
}
.hero-copy { max-width: 600px; }
.hero h1 {
    margin: 22px 0 22px;
    font-size: clamp(2.8rem, 6.6vw, 5.4rem);
    font-weight: 800;
    letter-spacing: -.045em;
    line-height: .98;
}
.lead { color: var(--text-2); font-size: clamp(1.05rem, 1.5vw, 1.2rem); max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-web { margin-top: 20px; color: var(--text-3); font-size: .93rem; }
.hero-web a {
    display: inline-flex;
    align-items: center;
    gap: .35em;
    color: var(--blue-3);
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: border-color .2s;
}
.hero-web a:hover { border-bottom-color: currentColor; }
.hero-web .icon { width: .95em; height: .95em; }

.hero-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 36px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
    color: var(--text-2);
    font-size: .9rem;
}
.hero-platforms li { display: inline-flex; align-items: center; gap: .5em; }
.hero-platforms .icon { color: var(--blue); }

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
}
.hero-phone {
    position: relative;
    width: min(320px, 70vw);
    border-radius: 40px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, .08),
        0 40px 80px -30px rgba(0, 0, 0, .9),
        0 0 90px -10px rgba(42, 159, 220, .45);
    transform: rotateY(var(--ry, -8deg)) rotateX(var(--rx, 4deg));
    transition: transform .6s var(--ease);
    animation: float 7s ease-in-out infinite;
}
.hero-ring {
    position: absolute;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    border: 1px solid rgba(42, 159, 220, .18);
    box-shadow: inset 0 0 80px rgba(42, 159, 220, .12);
    pointer-events: none;
}
.hero-ring::before {
    content: "";
    position: absolute;
    inset: 50px;
    border-radius: 50%;
    border: 1px dashed rgba(42, 159, 220, .16);
    animation: spin 60s linear infinite;
}
.hero-chip {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: .5em;
    padding: 10px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 14px;
    background: rgba(17, 21, 28, .82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-size: .85rem;
    font-weight: 600;
    box-shadow: 0 16px 40px -14px rgba(0, 0, 0, .8);
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
}
.hero-chip .icon { color: var(--blue-3); }
.hero-chip-a { left: 0; top: 24%; animation-delay: -2s; }
.hero-chip-b { right: 0; bottom: 20%; animation-delay: -4s; }

.scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 26px;
    width: 26px;
    height: 42px;
    margin-left: -13px;
    border: 1.5px solid var(--border-strong);
    border-radius: 14px;
}
.scroll-hint span {
    position: absolute;
    left: 50%;
    top: 8px;
    width: 4px;
    height: 8px;
    margin-left: -2px;
    border-radius: 2px;
    background: var(--blue-3);
    animation: scrollDot 1.8s ease-in-out infinite;
}

/* ---------- Seções ---------- */
section { position: relative; }
.features, .extras, .download { padding: 120px 0; }

.section-head {
    max-width: 760px;
    margin: 0 auto 64px;
    text-align: center;
}
.section-head h2 {
    margin: 14px 0 14px;
    font-size: clamp(2rem, 4.2vw, 3.2rem);
    font-weight: 800;
}
.section-head p { color: var(--text-2); font-size: 1.08rem; }

/* ---------- Recursos principais ---------- */
.features {
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
}
.feature {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 72px;
    padding: 56px 0;
}
.feature + .feature { border-top: 1px solid var(--border); }

.feature-copy h3 {
    margin: 14px 0 18px;
    font-size: clamp(1.7rem, 3.2vw, 2.5rem);
    font-weight: 700;
}
.feature-copy h3 strong { font-weight: 800; }
.feature-copy p { color: var(--text-2); font-size: 1.06rem; }

.checklist { display: grid; gap: 12px; margin-top: 26px; }
.checklist li { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 500; }
.checklist .icon {
    width: 26px;
    height: 26px;
    padding: 5px;
    border-radius: 8px;
    background: rgba(42, 159, 220, .14);
    color: var(--blue-3);
}

.media-frame {
    position: relative;
    border: 1px solid var(--border-strong);
    border-radius: 24px;
    padding: 10px;
    background: linear-gradient(160deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .01));
    box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(0, 0, 0, .4);
    transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.media-frame::before {
    content: "";
    position: absolute;
    inset: -1px;
    z-index: -1;
    border-radius: inherit;
    background: radial-gradient(60% 60% at 50% 50%, var(--glow), transparent 70%);
    filter: blur(40px);
    opacity: .55;
}
.media-frame img { width: 100%; border-radius: 16px; }
.media-frame:hover { transform: translateY(-4px); box-shadow: 0 50px 90px -40px rgba(0, 0, 0, .9), 0 0 50px -16px var(--glow); }

/* Recurso 1: imagem à esquerda */
.feature-1 .feature-media { order: 0; }

/* Recurso 2: imagem à direita, texto com painel */
.feature-2 { grid-template-columns: .95fr 1.05fr; }
.feature-2 .feature-media { order: 2; }
.feature-2 .feature-copy {
    padding: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: linear-gradient(160deg, var(--surface), rgba(17, 21, 28, .4));
}
.feature-2 .media-frame { transform: rotate(1.5deg); }
.feature-2 .media-frame:hover { transform: rotate(0) translateY(-4px); }

/* Recurso 3: composição centralizada, imagem larga abaixo */
.feature-3 {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
}
.feature-3 .feature-copy { order: 0; max-width: 720px; margin: 0 auto; }
.feature-3 .feature-media { order: 1; max-width: 780px; margin: 0 auto; width: 100%; }
.feature-3 .checklist { justify-content: center; grid-auto-flow: column; gap: 24px; }

/* ---------- Novidades ---------- */
.extras {
    background:
        radial-gradient(800px 400px at 50% 0%, rgba(42, 159, 220, .08), transparent 70%),
        var(--bg);
}
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.card {
    position: relative;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: linear-gradient(180deg, var(--surface), var(--bg-2));
    overflow: hidden;
    transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
}
.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(42, 159, 220, .14), transparent 45%);
    opacity: 0;
    transition: opacity .35s;
    pointer-events: none;
}
.card:hover {
    transform: translateY(-6px);
    border-color: rgba(42, 159, 220, .4);
    box-shadow: 0 24px 50px -24px rgba(42, 159, 220, .4);
}
.card:hover::before { opacity: 1; }
.card h3 { margin: 20px 0 10px; font-size: 1.2rem; font-weight: 700; }
.card p { color: var(--text-2); font-size: .98rem; }

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border: 1px solid rgba(42, 159, 220, .3);
    border-radius: 14px;
    background: linear-gradient(145deg, rgba(42, 159, 220, .22), rgba(42, 159, 220, .05));
    color: var(--blue-3);
    box-shadow: 0 0 24px -6px var(--glow);
}
.card-icon .icon { width: 24px; height: 24px; }

/* ---------- Plataformas ---------- */
.download {
    background:
        radial-gradient(900px 500px at 50% 100%, rgba(15, 94, 140, .16), transparent 70%),
        var(--bg-2);
    border-top: 1px solid var(--border);
}
.download .section-head { margin-bottom: 56px; }
.platforms {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    align-items: start;
}
.platform {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 28px 32px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
    text-align: center;
    transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
}
.platform:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.platform h3 { margin: 18px 0 6px; font-size: 1.3rem; }
.platform > p { color: var(--text-2); font-size: .95rem; margin-bottom: 26px; }
.platform.is-recommended {
    border-color: rgba(42, 159, 220, .55);
    background: linear-gradient(180deg, rgba(42, 159, 220, .1), var(--surface) 45%);
    box-shadow: 0 30px 60px -30px rgba(42, 159, 220, .55);
}
.platform-flag {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    padding: 5px 14px;
    border-radius: 999px;
    background: var(--blue);
    color: #fff;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    box-shadow: 0 6px 20px -4px var(--glow);
}

.divider {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    margin: 22px 0 14px;
    color: var(--text-3);
    font-size: .8rem;
}
.divider::before,
.divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.code-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    width: 100%;
    padding: 16px;
    border: 1px dashed rgba(42, 159, 220, .45);
    border-radius: 14px;
    background: rgba(5, 7, 10, .6);
    color: var(--blue-3);
    cursor: pointer;
    transition: border-color .2s, background-color .2s, transform .15s;
}
.code-box:hover { border-color: var(--blue-3); background: rgba(42, 159, 220, .08); }
.code-box:active { transform: scale(.98); }
.code-value {
    font-family: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: .25em;
}
.code-icon { display: inline-flex; color: var(--text-2); }
.code-box.is-copied .code-icon { color: #4ade80; }
.code-help { margin-top: 10px; color: var(--text-3); font-size: .8rem; }

/* ---------- Chamada final ---------- */
.final-cta { padding: 40px 0 120px; background: var(--bg-2); }
.cta-panel {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    padding: 80px 32px;
    border: 1px solid rgba(42, 159, 220, .3);
    border-radius: 32px;
    text-align: center;
    background:
        radial-gradient(600px 300px at 50% 0%, rgba(42, 159, 220, .28), transparent 70%),
        linear-gradient(180deg, #0c131b, var(--bg));
}
.cta-orbit {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 900px;
    height: 900px;
    margin: -450px 0 0 -450px;
    z-index: -1;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 0 70%, rgba(42, 159, 220, .35) 85%, transparent 100%);
    filter: blur(30px);
    opacity: .7;
    animation: spin 14s linear infinite;
    pointer-events: none;
}
.cta-logo { width: 72px; margin: 0 auto 22px; filter: drop-shadow(0 0 22px var(--glow)); }
.cta-panel h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; }
.cta-panel p { max-width: 520px; margin: 16px auto 0; color: var(--text-2); font-size: 1.1rem; }
.cta-panel .hero-actions { justify-content: center; }

/* ---------- Rodapé ---------- */
.site-footer {
    padding: 70px 0 30px;
    border-top: 1px solid var(--border);
    background: var(--bg);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
}
.footer-brand p { margin-top: 16px; color: var(--text-3); max-width: 300px; }
.footer-col h3 {
    margin-bottom: 18px;
    color: var(--text);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}
.footer-col ul { display: grid; gap: 10px; }
.footer-col a:not(.btn) { color: var(--text-2); transition: color .2s; }
.footer-col a:not(.btn):hover { color: var(--blue-3); }
.footer-code { margin-top: 14px; color: var(--text-3); font-size: .9rem; }
.footer-code strong { color: var(--blue-3); letter-spacing: .08em; }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 50px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--text-3);
    font-size: .88rem;
}
.to-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    color: var(--text-2);
    transition: color .2s, border-color .2s, transform .2s;
}
.to-top:hover { color: var(--blue-3); border-color: var(--blue); transform: translateY(-2px); }

/* ---------- Toast ---------- */
.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    z-index: 300;
    padding: 12px 20px;
    border: 1px solid rgba(74, 222, 128, .35);
    border-radius: 12px;
    background: rgba(17, 21, 28, .95);
    color: var(--text);
    font-weight: 600;
    box-shadow: 0 16px 40px -10px rgba(0, 0, 0, .8);
    transform: translate(-50%, 20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s var(--ease);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Animações de entrada ---------- */
.js .reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
    transition-delay: var(--delay, 0s);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@keyframes float {
    0%, 100% { translate: 0 0; }
    50% { translate: 0 -12px; }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes scrollDot {
    0% { opacity: 0; transform: translateY(0); }
    30% { opacity: 1; }
    100% { opacity: 0; transform: translateY(14px); }
}

/* ---------- Responsivo ---------- */
@media (max-width: 1024px) {
    .hero-grid { gap: 24px; }
    .hero-ring { width: 380px; height: 380px; }
    .feature { gap: 48px; }
    .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
    :root { --header-h: 64px; }

    .nav-toggle { display: inline-flex; }
    .header-cta { display: none; }
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
        margin: 0;
        padding: 20px 24px 28px;
        background: rgba(5, 7, 10, .97);
        border-bottom: 1px solid var(--border);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: opacity .25s, transform .25s var(--ease), visibility 0s .25s;
    }
    .main-nav.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
    .main-nav ul { flex-direction: column; gap: 4px; }
    .main-nav ul a { padding: 14px 16px; border-radius: 12px; font-size: 1.05rem; }
    .main-nav ul a.is-active { background: rgba(42, 159, 220, .1); }
    .main-nav ul a.is-active::after { left: auto; right: 16px; top: 50%; bottom: auto; margin: -2px 0 0; }
    .nav-cta { display: inline-flex; padding: 14px; }
    .site-header.menu-open { background: rgba(5, 7, 10, .97); }

    .hero { padding-top: calc(var(--header-h) + 32px); min-height: auto; }
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-copy { margin: 0 auto; }
    .lead { margin: 0 auto; }
    .hero-actions, .hero-platforms { justify-content: center; }
    .hero-visual { margin-top: 20px; }
    .hero-phone { width: min(270px, 66vw); }
    .hero-ring { width: 320px; height: 320px; }
    .scroll-hint { display: none; }

    .features, .extras, .download { padding: 84px 0; }
    .section-head { margin-bottom: 44px; }
    .feature,
    .feature-2 { grid-template-columns: 1fr; gap: 32px; padding: 44px 0; }
    .feature .feature-media { order: 0; }
    .feature .feature-copy { order: 1; }
    .feature-2 .feature-copy { padding: 26px; }
    .feature-3 .checklist { grid-auto-flow: row; justify-content: start; text-align: left; }

    .platforms { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; gap: 30px; }
    .platform.is-recommended { order: -1; }

    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
    .container { padding: 0 18px; }
    .brand img { width: 118px; }
    .hero h1 { font-size: clamp(2.6rem, 13vw, 3.4rem); }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .hero-chip { font-size: .75rem; padding: 8px 11px; }
    .hero-chip-a { left: -4px; }
    .hero-chip-b { right: -4px; }
    .cards { grid-template-columns: 1fr; }
    .card { padding: 24px; }
    .cta-panel { padding: 56px 20px; border-radius: 24px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: row; }
    .code-value { font-size: 1.45rem; }
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
    .js .reveal { opacity: 1; transform: none; }
    .hero-particles { display: none; }
}