/* =================================================== */
/* 1. VARIÁVEIS GLOBAIS E CONFIGURAÇÕES BÁSICAS      */
/* =================================================== */
:root {
    --primary: #3d8bfd;
    --primary-dark: #2a6fd8;
    --secondary: #1dd1a1;
    --secondary-dark: #16a085;
    --dark: #1a1c20;
    --light: #ffffff;
    --surface: #f8f9fa;
    --text-dark: #212529;
    --text-gray: #6c757d;
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-strong: 0 8px 25px rgba(0,0,0,0.15);
    --radius: 12px;
    --border-color: #e9ecef;
}

body.dark-mode {
    --primary: #4a9aff;
    --primary-dark: #63aaff;
    --secondary: #20e0b3;
    --secondary-dark: #31f5c6;
    --dark: #f8f9fa;
    --light: #121212;
    --surface: #1a1c20;
    --text-dark: #f8f9fa;
    --text-gray: #a0a0a0;
    --shadow: 0 4px 12px rgba(0,0,0,0.25);
    --shadow-strong: 0 8px 25px rgba(0,0,0,0.4);
    --border-color: #333;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lexend', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =================================================== */
/* 2. TIPOGRAFIA E ELEMENTOS GERAIS                  */
/* =================================================== */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
    color: var(--text-dark);
}

h1 { font-size: 3.2rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
    max-width: 65ch; /* Melhora a legibilidade */
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
    font-size: 1.1rem;
}

.card {
    background-color: var(--surface);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    border: 1px solid var(--border-color);
}
.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

/* =================================================== */
/* 3. BOTÕES (NOVO ESTILO)                           */
/* =================================================== */
.button2 {
    display: inline-block;
    transition: all 0.2s ease-in;
    position: relative;
    overflow: hidden;
    z-index: 1;
    color: var(--text-dark);
    padding: 0.8em 2.3em 0.8em 1.7em;
    font-size: 18px;
    font-weight: 600;
    border-radius: 0.5em;
    background: var(--surface);
    border: 1px solid var(--border-color);
    box-shadow: 6px 6px 12px #c5c5c5, -6px -6px 12px #ffffff;
    cursor: pointer;
}
body.dark-mode .button2 {
    color: #eee;
    background: #2a2c31;
    border: 1px solid #333;
    box-shadow: 4px 4px 8px #1e1e1e, -4px -4px 8px #3c3c3c;
}

.button2 > svg {
    height: 30px;
    position: absolute;
    padding: 0px 5px;
    margin-top: -4px;
    right: 5px; /* Posição do SVG */
    opacity: 0;
    transition: opacity 0.5s ease;
}

.button2:hover > svg {
    opacity: 1;
}

.button2:active {
    color: #666;
}
body.dark-mode .button2:active {
    color: #aaa;
    box-shadow: inset 4px 4px 12px #1e1e1e, inset -4px -4px 12px #3c3c3c;
}

.button2:before {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%) scaleY(1) scaleX(1.25);
    top: 100%;
    width: 140%;
    height: 180%;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    display: block;
    transition: all 0.5s 0.1s cubic-bezier(0.55, 0, 0.1, 1);
    z-index: -1;
}

.button2:after {
    content: "";
    position: absolute;
    left: 55%;
    transform: translateX(-50%) scaleY(1) scaleX(1.45);
    top: 180%;
    width: 160%;
    height: 190%;
    background-color: var(--secondary);
    border-radius: 50%;
    display: block;
    transition: all 0.5s 0.1s cubic-bezier(0.55, 0, 0.1, 1);
    z-index: -1;
}

.button2:hover {
    color: #ffffff;
    border: 1px solid var(--secondary-dark);
}

.button2:hover:before {
    top: -35%;
    background-color: var(--secondary);
    transform: translateX(-50%) scaleY(1.3) scaleX(0.8);
}

.button2:hover:after {
    top: -45%;
    background-color: var(--secondary);
    transform: translateX(-50%) scaleY(1.3) scaleX(0.8);
}

/* Botão padrão (modal) */
.btn {
    display: inline-block; padding: 14px 28px; border-radius: var(--radius); font-weight: 600; text-decoration: none; text-align: center; cursor: pointer; transition: all 0.2s ease; border: none; font-size: 1rem;
}
.btn-secondary { background-color: var(--secondary); color: white; }
.btn-secondary:hover { background-color: var(--secondary-dark); transform: translateY(-2px); }


/* =================================================== */
/* 4. CABEÇALHO, NAVEGAÇÃO E SELETOR DE TEMA         */
/* =================================================== */
.header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}
body.dark-mode .header {
    background-color: rgba(26, 28, 32, 0.85);
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}
.logo {
    font-family: 'Libre Caslon Display', serif;
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-dark);
    text-decoration: none;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 35px;
}
.nav-links a {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    padding-bottom: 5px;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
}
.nav-links a:hover {
    color: var(--text-dark);
}
.nav-links a:hover::after {
    width: 100%;
}

/* --- THEME SWITCH --- */
.theme-switch{--toggle-size:20px;--container-width:5.625em;--container-height:2.5em;--container-radius:6.25em;--container-light-bg:#3d7eae;--container-night-bg:#1d1f2c;--circle-container-diameter:3.375em;--sun-moon-diameter:2.125em;--sun-bg:#ecca2f;--moon-bg:#c4c9d1;--spot-color:#959db1;--circle-container-offset:calc((var(--circle-container-diameter) - var(--container-height)) / 2 * -1);--stars-color:#fff;--clouds-color:#f3fdff;--back-clouds-color:#aacadf;--transition:.5s cubic-bezier(0,-0.02,0.4,1.25);--circle-transition:.3s cubic-bezier(0,-0.02,0.35,1.17)}.theme-switch,.theme-switch *,.theme-switch *::after,.theme-switch *::before{-webkit-box-sizing:border-box;box-sizing:border-box;margin:0;padding:0;font-size:var(--toggle-size)}.theme-switch__container{width:var(--container-width);height:var(--container-height);background-color:var(--container-light-bg);border-radius:var(--container-radius);overflow:hidden;cursor:pointer;-webkit-box-shadow:0em -0.062em 0.062em rgba(0,0,0,.25),0em 0.062em 0.125em rgba(255,255,255,.94);box-shadow:0em -0.062em 0.062em rgba(0,0,0,.25),0em 0.062em 0.125em rgba(255,255,255,.94);-webkit-transition:var(--transition);-o-transition:var(--transition);transition:var(--transition);position:relative;background-image:linear-gradient(to bottom,var(--container-light-bg) 0%,#5490c0 100%)}.theme-switch__container::before{content:"";position:absolute;z-index:1;inset:0;-webkit-box-shadow:0em 0.05em 0.187em rgba(0,0,0,.25) inset,0em 0.05em 0.187em rgba(0,0,0,.25) inset;box-shadow:0em 0.05em 0.187em rgba(0,0,0,.25) inset,0em 0.05em 0.187em rgba(0,0,0,.25) inset;border-radius:var(--container-radius)}.theme-switch__checkbox{display:none}.theme-switch__circle-container{width:var(--circle-container-diameter);height:var(--circle-container-diameter);background-color:rgba(255,255,255,.1);position:absolute;left:var(--circle-container-offset);top:var(--circle-container-offset);border-radius:var(--container-radius);-webkit-box-shadow:inset 0 0 0 3.375em rgba(255,255,255,.1),inset 0 0 0 3.375em rgba(255,255,255,.1),0 0 0 .625em rgba(255,255,255,.1),0 0 0 1.25em rgba(255,255,255,.1);box-shadow:inset 0 0 0 3.375em rgba(255,255,255,.1),inset 0 0 0 3.375em rgba(255,255,255,.1),0 0 0 .625em rgba(255,255,255,.1),0 0 0 1.25em rgba(255,255,255,.1);display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-transition:var(--circle-transition);-o-transition:var(--circle-transition);transition:var(--circle-transition);pointer-events:none}.theme-switch__sun-moon-container{pointer-events:auto;position:relative;z-index:2;width:var(--sun-moon-diameter);height:var(--sun-moon-diameter);margin:auto;border-radius:var(--container-radius);background-color:var(--sun-bg);-webkit-box-shadow:0.062em 0.062em 0.062em 0em rgba(254,255,239,.61) inset,0em -0.062em 0.062em 0em #a1872a inset;box-shadow:0.062em 0.062em 0.062em 0em rgba(254,255,239,.61) inset,0em -0.062em 0.062em 0em #a1872a inset;-webkit-filter:drop-shadow(.062em .125em .125em rgba(0,0,0,.25)) drop-shadow(0em .062em .125em rgba(0,0,0,.25));filter:drop-shadow(.062em .125em .125em rgba(0,0,0,.25)) drop-shadow(0em .062em .125em rgba(0,0,0,.25));overflow:hidden;-webkit-transition:var(--transition);-o-transition:var(--transition);transition:var(--transition)}.theme-switch__moon{-webkit-transform:translateX(100%);-ms-transform:translateX(100%);transform:translateX(100%);width:100%;height:100%;background-color:var(--moon-bg);border-radius:inherit;-webkit-box-shadow:0.062em 0.062em 0.062em 0em rgba(254,255,239,.61) inset,0em -0.062em 0.062em 0em #969696 inset;box-shadow:0.062em 0.062em 0.062em 0em rgba(254,255,239,.61) inset,0em -0.062em 0.062em 0em #969696 inset;-webkit-transition:var(--transition);-o-transition:var(--transition);transition:var(--transition);position:relative}.theme-switch__spot{position:absolute;top:.75em;left:.312em;width:.75em;height:.75em;border-radius:var(--container-radius);background-color:var(--spot-color)}.theme-switch__spot:nth-of-type(2){width:.375em;height:.375em;top:.937em;left:1.375em}.theme-switch__spot:nth-last-of-type(3){width:.25em;height:.25em;top:.312em;left:.812em}.theme-switch__clouds{width:1.25em;height:1.25em;background-color:var(--clouds-color);border-radius:var(--container-radius);position:absolute;bottom:-0.625em;left:.312em;-webkit-box-shadow:.937em .312em var(--clouds-color),-0.312em -0.312em var(--back-clouds-color),1.437em .375em var(--clouds-color),.5em -0.125em var(--back-clouds-color),2.187em 0 var(--clouds-color),1.25em -0.062em var(--back-clouds-color),2.937em .312em var(--clouds-color),2em -0.312em var(--back-clouds-color),3.625em -0.062em var(--clouds-color),2.625em 0em var(--back-clouds-color),4.5em -0.312em var(--clouds-color),3.375em -0.437em var(--back-clouds-color),4.625em -1.75em 0 .437em var(--clouds-color),4em -0.625em var(--back-clouds-color),4.125em -2.125em 0 .437em var(--back-clouds-color);box-shadow:.937em .312em var(--clouds-color),-0.312em -0.312em var(--back-clouds-color),1.437em .375em var(--clouds-color),.5em -0.125em var(--back-clouds-color),2.187em 0 var(--clouds-color),1.25em -0.062em var(--back-clouds-color),2.937em .312em var(--clouds-color),2em -0.312em var(--back-clouds-color),3.625em -0.062em var(--clouds-color),2.625em 0em var(--back-clouds-color),4.5em -0.312em var(--clouds-color),3.375em -0.437em var(--back-clouds-color),4.625em -1.75em 0 .437em var(--clouds-color),4em -0.625em var(--back-clouds-color),4.125em -2.125em 0 .437em var(--back-clouds-color);-webkit-transition:.5s cubic-bezier(0,-0.02,0.4,1.25);-o-transition:.5s cubic-bezier(0,-0.02,0.4,1.25);transition:.5s cubic-bezier(0,-0.02,0.4,1.25)}.theme-switch__stars-container{position:absolute;color:var(--stars-color);top:-100%;left:.312em;width:2.75em;height:auto;-webkit-transition:var(--transition);-o-transition:var(--transition);transition:var(--transition)}.theme-switch__checkbox:checked+.theme-switch__container{background-color:var(--container-night-bg);background-image:linear-gradient(to bottom,var(--container-night-bg) 0%,#2d3142 100%)}.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__circle-container{left:calc(100% - var(--circle-container-offset) - var(--circle-container-diameter))}.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__circle-container:hover{left:calc(100% - var(--circle-container-offset) - var(--circle-container-diameter) - .187em)}.theme-switch__circle-container:hover{left:calc(var(--circle-container-offset) + .187em)}.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__moon{-webkit-transform:translate(0);-ms-transform:translate(0);transform:translate(0)}.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__clouds{bottom:-4.062em}.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__stars-container{top:50%;-webkit-transform:translateY(-50%);-ms-transform:translateY(-50%);transform:translateY(-50%)}

/* =================================================== */
/* 5. SEÇÕES DA PÁGINA                               */
/* =================================================== */

/* Hero */
.hero {
    padding-top: 160px;
    text-align: center;
    background-color: var(--surface);
}
.hero-content .subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}
.hero-image {
    margin-top: 4rem;
    padding: 0 20px;
}
.hero-image img {
    max-width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-strong);
}

/* For Whom (Carrossel 3D) */
.for-whom { padding: 80px 0; overflow: hidden; }
.gallery{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:1em}.slider{max-width:1500px;margin:0 auto;padding:1em;width:100%;height:25em;position:relative;perspective:1200px;display:flex;justify-content:center;align-items:center}.wrapper{transform-style:preserve-3d;display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative;width:300px;height:400px}.slide{position:absolute;width:250px;aspect-ratio:3/4;transform-origin:bottom;animation:cardCycle 12s infinite; padding: 20px; display: flex; flex-direction: column; justify-content: center; text-align: center;}.slide p { font-size: 0.9rem; color: #ffffff; } .slide-content .emoji{font-size: 3rem; display: block; margin-bottom: 1rem;}.slide:nth-child(1){animation-delay:8s;background-color:#9b2948}.slide:nth-child(2){animation-delay:4s;background-color:#ff7251}.slide:nth-child(3){animation-delay:0s;background-color:#ffca7b}@keyframes cardCycle{0%{transform:translateZ(0) rotateX(0);z-index:3}27.77%{transform:translateZ(600px) rotateX(90deg);z-index:4}33.33%{transform:translateZ(0px) rotateX(90deg);z-index:1}83.33%{transform:translateZ(0px) rotateX(0);z-index:1}97.22%{transform:translateZ(0) rotateX(0);z-index:3}100%{transform:translateZ(0) rotateX(0);z-index:3}}


/* Benefits */
.benefits {
    background-color: var(--surface);
    padding: 80px 0;
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* How It Works */
.how-it-works { padding: 80px 0; text-align: center; }
.steps-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    margin-top: 4rem;
    flex-wrap: wrap;
}
.step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
}
.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}
.step-arrow {
    font-size: 2rem;
    color: var(--primary);
    margin-top: 55px;
}
.video-section {
    margin-top: 6rem;
}
.video-section iframe {
    max-width: 100%;
    width: 800px;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    box-shadow: var(--shadow-strong);
    border: none;
}

/* Pricing / Get Access */
.pricing {
    background-color: var(--surface);
    padding: 80px 0;
}
.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}
.features-list {
    list-style: none;
    text-align: left;
    max-width: 350px;
    margin: 2rem auto 2rem;
}
.features-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
}
.features-list li span:first-child { color: var(--secondary); }

/* FAQ */
.faq { padding: 80px 0; }
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--border-color);
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 20px 0;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dark);
}
.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
}
.faq-answer p { padding-bottom: 20px; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-item.active .faq-answer { max-height: 200px; }


/* Footer */
.footer {
    background-color: var(--dark);
    color: var(--light);
    padding: 40px 0;
    text-align: center;
}
body.dark-mode .footer {
    background-color: #1a1c20;
    color: #f8f9fa;
}
.footer p { color: rgba(255,255,255,0.7); }
body.dark-mode .footer p { color: rgba(248, 249, 250, 0.7); }

/* =================================================== */
/* 6. WHATSAPP FLUTUANTE E MODAL                     */
/* =================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    padding: 1.0em 2.5em 1.0em 1.7em;
}


.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1001;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal-overlay.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    max-width: 400px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: slideIn 0.3s ease-out;
}
@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-gray);
}
.modal-content input {
    width: 100%;
    padding: 12px;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    font-size: 1rem;
    background-color: var(--light);
    color: var(--text-dark);
}
.modal-content input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(61, 139, 253, 0.2);
}

/* =================================================== */
/* 7. BOTÃO DE DOWNLOAD ANIMADO (NOVO)              */
/* =================================================== */
.download-button-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2.5rem;
}

.label {
    background-color: transparent;
    border: 2px solid var(--primary); /* COR ADAPTADA */
    display: flex;
    align-items: center;
    border-radius: 50px;
    width: 210px;
    cursor: pointer;
    transition: all 0.4s ease;
    padding: 5px;
    position: relative;
}

.label::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    width: 8px;
    height: 8px;
    transition: all 0.4s ease;
    border-radius: 100%;
    margin: auto;
    opacity: 0;
    visibility: hidden;
}

.label .input {
    display: none;
}

.label .title {
    font-size: 17px;
    color: var(--text-dark); /* COR ADAPTADA */
    transition: all 0.4s ease;
    position: absolute;
    right: 18px;
    /* REMOVA A LINHA 'bottom' e adicione as 2 abaixo */
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
}

.label .title:last-child {
    opacity: 0;
    visibility: hidden;
}

.label .circle {
    height: 45px;
    width: 45px;
    border-radius: 50%;
    background-color: var(--primary); /* COR ADAPTADA */
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.4s ease;
    position: relative;
    box-shadow: 0 0 0 0 rgb(255, 255, 255);
    overflow: hidden;
}

.label .circle .icon {
    color: #fff;
    width: 30px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
}

.label .circle .square {
    aspect-ratio: 1;
    width: 15px;
    border-radius: 2px;
    background-color: #fff;
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
}

.label .circle::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--primary-dark); /* COR ADAPTADA */
    width: 100%;
    height: 0;
    transition: all 0.4s ease;
}

.label:has(.input:checked) {
    width: 57px;
    animation: installed 0.4s ease 3.5s forwards;
}

.label:has(.input:checked)::before {
    animation: rotate 3s ease-in-out 0.4s forwards;
}

.label .input:checked + .circle {
    animation:
      pulse 1s forwards,
      circleDelete 0.2s ease 3.5s forwards;
    rotate: 180deg;
}

.label .input:checked + .circle::before {
    animation: installing 3s ease-in-out forwards;
}

.label .input:checked + .circle .icon {
    opacity: 0;
    visibility: hidden;
}

.label .input:checked ~ .circle .square {
    opacity: 1;
    visibility: visible;
}

.label .input:checked ~ .title {
    opacity: 0;
    visibility: hidden;
}

.label .input:checked ~ .title:last-child {
    animation: showInstalledMessage 0.4s ease 3.5s forwards;
}

@keyframes pulse {
    0% {
      scale: 0.95;
      box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
    }
    70% {
      scale: 1;
      box-shadow: 0 0 0 16px rgba(255, 255, 255, 0);
    }
    100% {
      scale: 0.95;
      box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}
  
@keyframes installing {
    from {
      height: 0;
    }
    to {
      height: 100%;
    }
}
  
@keyframes rotate {
    0% {
      transform: rotate(-90deg) translate(27px) rotate(0);
      opacity: 1;
      visibility: visible;
    }
    99% {
      transform: rotate(270deg) translate(27px) rotate(270deg);
      opacity: 1;
      visibility: visible;
    }
    100% {
      opacity: 0;
      visibility: hidden;
    }
}
  
@keyframes installed {
    100% {
      width: 170px;
      border-color: var(--secondary);
    }
}
  
@keyframes circleDelete {
    100% {
      opacity: 0;
      visibility: hidden;
    }
}
  
@keyframes showInstalledMessage {
  100% {
    opacity: 1;
    visibility: visible;
    left: 50%;
    right: auto;
    /* ESTA LINHA ABAIXO COMBINA A CENTRALIZAÇÃO HORIZONTAL E VERTICAL */
    transform: translate(-50%, -50%); 
  }
}

/* =================================================== */
/* 8. RESPONSIVIDADE                                 */
/* =================================================== */
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2.2rem; }
    .step-arrow { display: none; }
    .steps-container { flex-direction: column; align-items: center; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .navbar { justify-content: space-between; }
    .navbar .theme-switch { margin-left: auto; }
    .hero { padding-top: 120px; }
    h1 { font-size: 2.2rem; }
}