:root {
    --champagne: #f1d6bc;
    --nude: #d7b29d;
    --rose: #b58c86;
    --brown: #2d3748; /* Ajustado para cinza escuro */
    --dark: #1a202c;  /* Cinza escuro principal */
    --cream: #c6c6c6; /* Novo fundo geral */
    --gold: #d7a86e;
    --blue-main: #1e3a50;
    --blue-light: #24445d;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--cream);
    color: var(--dark);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 700;
}

section {
    position: relative;
    padding: 100px 0;
}

.section-title {
    font-size: 4rem;
    line-height: 1;
    margin-bottom: 25px;
    color: var(--dark);
}

.section-subtitle {
    color: var(--brown);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* NAVBAR */

.navbar {
    background: rgba(30, 58, 80, 0.95);
    backdrop-filter: blur(18px);
    padding: 18px 0;
    transition: .3s;
    border-bottom: 1px solid rgba(215, 168, 110, 0.2);
}

.navbar-brand img {
    height: 55px;
}

.nav-link {
    color: #ffffff !important;
    font-weight: 600;
    margin-left: 15px;
    transition: .3s;
}

.nav-link:hover {
    color: var(--gold) !important;
}

.navbar-toggler {
    border: none;
    box-shadow: none !important;
}

.navbar-toggler span i {
    color: #ffffff !important;
}

/* HERO */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(to bottom, #1e3a50 0%, #24445d 50%, #1e3a50 100%);
}

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    filter: blur(100px);
    top: -150px;
    right: -100px;
    animation: floating 8s ease-in-out infinite;
}

@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(25px); }
    100% { transform: translateY(0px); }
}

.hero-logo {
    max-width: 300px;
    margin-bottom: 35px;
}

.hero h1 {
    color: #ffffff;
}

.hero h1 span {
    color: var(--gold); /* Mantém o destaque em dourado */
}

.hero p {
    color: rgba(255, 255, 255, 0.85); /* Texto explicativo em branco suave */
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    animation: floatImage 5s ease-in-out infinite;
}

@keyframes floatImage {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

.btn-auth {
    background: linear-gradient(135deg, var(--gold), var(--rose));
    color: white;
    border: none;
    padding: 16px 34px;
    border-radius: 50px;
    font-weight: 700;
    transition: .4s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.btn-auth:hover {
    transform: translateY(-3px);
    color: white;
}

/* GLASS CARD */

.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(30, 58, 80, 0.15);
    border-radius: 28px;
    padding: 40px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
}

/* INFO */

.info-box {
    text-align: center;
    padding: 35px;
}

.info-box i {
    font-size: 2.2rem;
    color: var(--gold);
    margin-bottom: 20px;
}

.info-box h4 {
    font-size: 2rem;
}

/* SPEAKERS */

.speaker-card {
    overflow: hidden;
    transition: .4s;
}

.speaker-card:hover {
    transform: translateY(-10px);
}

.speaker-card img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 24px;
    margin-bottom: 20px;
}

.speaker-card h4 {
    font-size: 2rem;
}

/* GALLERY */

.gallery img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 24px;
    transition: .4s;
}

.gallery img:hover {
    transform: scale(1.03);
}

/* TESTIMONIAL */

.testimonial {
    height: 100%;
}

.testimonial p {
    font-style: italic;
    line-height: 1.9;
}

.testimonial strong {
    color: var(--gold);
}

/* CTA */

.cta {
    background:
        linear-gradient(rgba(61, 47, 49, 0.82), rgba(61, 47, 49, 0.82)),
        url('https://images.unsplash.com/photo-1511578314322-379afb476865?q=80&w=1800&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 5rem;
    margin-bottom: 25px;
}

.cta p {
    max-width: 750px;
    margin: auto;
    line-height: 1.9;
    opacity: .9;
}

/* LOGOS */

.brand-logo {
    background: rgba(255, 255, 255, 0.7);
    padding: 40px;
    border-radius: 30px;
    text-align: center;
    height: 100%;
}

.brand-logo img {
    max-width: 320px;
    width: 100%;
}

/* FOOTER */

footer {
    background: #2d2324;
    color: rgba(255, 255, 255, 0.7);
    padding: 70px 0 40px;
}

footer h4 {
    color: white;
    margin-bottom: 20px;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

footer a:hover {
    color: white;
}

.social-icons a {
    width: 45px;
    height: 45px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    margin-right: 10px;
    transition: .3s;
}

.social-icons a:hover {
    background: var(--gold);
    color: white;
    transform: translateY(-4px);
}

/* RESPONSIVO */

@media(max-width: 991px) {
    .hero {
        text-align: center;
        padding-top: 140px;
    }

    .hero h1 {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3rem;
    }

    .cta h2 {
        font-size: 3.2rem;
    }

    .hero-image {
        margin-top: 50px;
    }
}

@media(max-width: 576px) {
    .hero h1 {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .cta h2 {
        font-size: 2.5rem;
    }

    section {
        padding: 80px 0;
    }

    .glass-card {
        padding: 28px;
    }
}

.patrocinador-logo {
    max-width: 150px;
    border: 1px solid #ccc;
    border-radius: 8px;
    filter: grayscale(20%);
    transition: .3s;
}

.patrocinador-logo:hover {
    filter: grayscale(0%);
    border-color: var(--gold); /* A borda muda para dourado ao passar o mouse */
}

/* Ajuste extra para o Dropdown */
.dropdown-menu {
    border-radius: 15px;
    padding: 10px;
}

.dropdown-item:hover {
    background: var(--gold) !important;
    color: white !important;
    border-radius: 8px;
}