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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: #070707;
    color: white;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* MENU */

header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 162, 50, 0.2);
}

.navbar {
    max-width: 1300px;
    margin: auto;
    padding: 20px 30px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 24px;
    letter-spacing: 1px;
    color: #d4a232;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    font-size: 14px;
}

.nav-links a:hover {
    color: #d4a232;
}

.menu-mobile {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 30px;
}

/* HERO */

.hero {
    min-height: 100vh;
    padding: 140px 10% 80px;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;

    background:
        radial-gradient(circle at 20% 50%, rgba(180, 120, 0, 0.18), transparent 40%),
        #070707;
}

.hero-content {
    max-width: 650px;
}

.tag {
    color: #d4a232;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.hero h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(70px, 9vw, 130px);
    line-height: 0.85;
}

.hero h1 span {
    color: #d4a232;
}

.hero h2 {
    margin-top: 25px;
    color: #cccccc;
    font-size: 22px;
}

.hero-text {
    margin-top: 25px;
    color: #aaaaaa;
    line-height: 1.8;
}

.hero-buttons {
    margin-top: 35px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 17px 25px;
    font-weight: bold;
    border-radius: 5px;
    transition: 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #a86f00, #e6b648);
    color: #111;
}

.btn-primary:hover {
    transform: translateY(-4px);
}

.btn-secondary {
    border: 1px solid #555;
}

.btn-secondary:hover {
    background: white;
    color: black;
}

/* CAPA */

.hero-image {
    position: relative;
}

.hero-image img {
    width: 340px;
    border-radius: 10px;
    position: relative;
    z-index: 2;

    box-shadow:
        0 30px 80px rgba(0,0,0,0.9);
}

.glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: #b77a00;
    filter: blur(130px);
    opacity: 0.35;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* SEÇÕES */

.section {
    padding: 100px 10%;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2,
.book-content h2,
.author-text h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(45px, 6vw, 75px);
    line-height: 1;
}

.section-title span,
.book-content span,
.author-text span {
    color: #d4a232;
}

/* CARDS */

.about {
    background: #0d0d0d;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.about-card {
    padding: 40px 30px;
    background: #151515;
    border: 1px solid rgba(212, 162, 50, 0.15);
    border-radius: 10px;
    transition: 0.3s;
}

.about-card:hover {
    transform: translateY(-10px);
    border-color: #d4a232;
}

.icon {
    font-size: 45px;
    margin-bottom: 20px;
}

.about-card h3 {
    margin-bottom: 15px;
}

.about-card p {
    color: #aaa;
    line-height: 1.7;
}

/* LIVRO */

.book {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 100px;
}

.book-image img {
    width: 300px;
    border-radius: 10px;
    box-shadow: 0 30px 70px black;
}

.book-content {
    max-width: 600px;
}

.book-content p {
    color: #aaa;
    line-height: 1.8;
    margin-top: 20px;
}

.book-list {
    list-style: none;
    margin-top: 25px;
}

.book-list li {
    margin: 14px 0;
}

/* FRASE */

.quote {
    padding: 120px 10%;
    text-align: center;

    background:
        linear-gradient(
            135deg,
            #2b1a00,
            #8a5700,
            #1a1000
        );
}

.quote-content {
    max-width: 1000px;
    margin: auto;
}

.quote-icon {
    font-size: 100px;
}

.quote h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(40px, 6vw, 80px);
    line-height: 1.1;
    margin: 25px 0;
}

.quote p {
    color: #e6b648;
    letter-spacing: 3px;
}

/* AUTOR */

.author {
    background: #0d0d0d;
}

.author-content {
    max-width: 1100px;
    margin: auto;

    display: flex;
    align-items: center;
    gap: 80px;
}

.author-image img {
    width: 280px;
    border-radius: 10px;
}

.author-text {
    max-width: 600px;
}

.author-text > p {
    margin-top: 20px;
    color: #aaa;
    line-height: 1.8;
}

.stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 30px;
}

.stat p {
    margin-top: 5px;
    font-size: 11px;
    color: #d4a232;
}

/* BENEFÍCIOS */

.benefits {
    background: #090909;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.benefit {
    text-align: center;
    padding: 30px 15px;
    border: 1px solid rgba(212, 162, 50, 0.2);
    border-radius: 8px;
}

.benefit div {
    font-size: 40px;
    margin-bottom: 15px;
}

.benefit h3 {
    font-size: 14px;
}

.benefit p {
    color: #888;
    margin-top: 10px;
    font-size: 13px;
}

/* COMPRA */

.buy {
    padding: 120px 10%;
    text-align: center;

    background:
        radial-gradient(circle, rgba(180, 120, 0, 0.3), transparent 60%),
        #070707;
}

.buy-container {
    max-width: 700px;
    margin: auto;
}

.buy h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(50px, 7vw, 90px);
}

.buy-container > p {
    color: #aaa;
    margin-top: 20px;
    line-height: 1.7;
}

.price {
    margin: 35px 0;
}

.price span {
    color: #aaa;
    font-size: 12px;
    letter-spacing: 2px;
}

.price h3 {
    margin-top: 10px;
    font-size: 35px;
    color: #d4a232;
}

.price strong {
    font-size: 65px;
}

.buy-button {
    display: inline-block;
    padding: 22px 45px;

    background: linear-gradient(135deg, #a86f00, #e6b648);

    color: #111;
    font-weight: 800;
    border-radius: 6px;
    font-size: 16px;

    transition: 0.3s;
}

.buy-button:hover {
    transform: scale(1.05);
}

.secure {
    font-size: 12px;
    color: #777;
    margin-top: 25px !important;
}

/* RODAPÉ */

footer {
    text-align: center;
    padding: 60px 20px;
    background: #030303;
}

footer h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 40px;
    color: #d4a232;
}

footer > p {
    color: #777;
    margin-top: 10px;
}

.social {
    margin: 25px 0;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.social a {
    color: #d4a232;
}

/* RESPONSIVO */

@media (max-width: 900px) {

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        text-align: center;
        background: #0d0d0d;
        padding: 25px;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-mobile {
        display: block;
    }

    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image img {
        width: 260px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .book {
        flex-direction: column;
        gap: 50px;
        text-align: center;
    }

    .author-content {
        flex-direction: column;
        text-align: center;
    }

    .stats {
        justify-content: center;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (max-width: 500px) {

    .section {
        padding: 80px 7%;
    }

    .hero {
        padding-left: 7%;
        padding-right: 7%;
    }

    .hero h1 {
        font-size: 65px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .buy-button {
        width: 100%;
        padding: 20px 10px;
    }

}