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

:root {
    --cream: #FFF8E7;
    --orange: #FF9D5C;
    --yellow: #FFD93D;
    --green: #6BCB77;
    --blue: #4D96FF;
    --purple: #B983FF;
    --pink: #FFB6D9;
    --text-dark: #2D3748;
    --text-light: #4A5568;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    color: var(--text-dark);
    background-color: var(--cream);
    overflow-x: hidden;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 3rem;
    background-color: rgba(255, 248, 231, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--yellow));
    transition: width 0.3s ease;
}

.nav-link:hover { color: var(--orange); }
.nav-link:hover::after { width: 100%; }

.menu-toggle { display: none; }

/* ==========================================
   HERO — Imagem de layout como capa
   ========================================== */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 3rem;
}

.hero-image-bg {
    position: absolute;
    inset: 0;
    background-image: url('images/background.jpeg');
    background-size: contain;
    background-position: center top;
    background-repeat: no-repeat;
    background-color: #FFF8E7;
    will-change: background-position;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 60%,
        rgba(255, 248, 231, 0.55) 100%
    );
}

.hero-btn-float {
    position: relative;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2.8rem;
    background: rgba(255, 248, 231, 0.92);
    color: var(--orange);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    font-family: 'Georgia', serif;
    border-radius: 50px;
    border: 2.5px solid var(--orange);
    box-shadow: 0 8px 30px rgba(255, 157, 92, 0.35);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    letter-spacing: 0.02em;
}

.hero-btn-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(255, 157, 92, 0.55);
    background: var(--orange);
    color: white;
    border-color: var(--orange);
}

.btn-icon { font-size: 1.4rem; }

/* Sections */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '🌟';
    display: block;
    margin-top: 0.5rem;
    font-size: 2rem;
}

/* Sobre Section */
.sobre {
    padding: 6rem 0;
    background-color: var(--cream);
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.sobre-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.sobre-stats { display: flex; flex-direction: column; gap: 2rem; }

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 3px solid var(--orange);
}

.stat-number { font-size: 3rem; font-weight: bold; color: var(--orange); }
.stat-label { font-size: 1.1rem; color: var(--text-light); margin-top: 0.5rem; }

/* Como Ajudar Section */
.como-ajudar {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--cream) 0%, #FFE9C5 100%);
}

.ajuda-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.ajuda-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 3px solid transparent;
}

.ajuda-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--orange);
}

.ajuda-icon { font-size: 4rem; margin-bottom: 1rem; }
.ajuda-card h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--text-dark); }
.ajuda-card p { font-size: 1rem; color: var(--text-light); line-height: 1.6; margin-bottom: 1.5rem; }

.ajuda-link {
    color: var(--orange);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}
.ajuda-link:hover { color: var(--yellow); }

/* Galeria Section — imagens reais */
.galeria {
    padding: 6rem 0;
    background-color: var(--cream);
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.galeria-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    aspect-ratio: 4/3;
    background: #eee;
}

.galeria-card:hover {
    transform: scale(1.04);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
}

.galeria-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
    background: linear-gradient(135deg, var(--pink), var(--purple));
}

.galeria-card:hover img {
    transform: scale(1.08);
}

/* Contato Section */
.contato {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--cream) 0%, #FFE9C5 100%);
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contato-info { display: flex; flex-direction: column; gap: 2rem; }
.contato-item { display: flex; gap: 1.5rem; align-items: flex-start; }
.contato-icon { font-size: 2.5rem; }
.contato-item h4 { font-size: 1.2rem; margin-bottom: 0.5rem; color: var(--text-dark); }
.contato-item p { color: var(--text-light); font-size: 1rem; }

.contato-social { display: flex; gap: 1rem; margin-top: 1rem; }

.social-link {
    padding: 0.8rem 1.5rem;
    background: white;
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-dark);
    border: 2px solid var(--orange);
    transition: all 0.3s ease;
}
.social-link:hover { background: var(--orange); color: white; }

.contato-form { display: flex; flex-direction: column; gap: 1.5rem; }

.contato-form input,
.contato-form textarea {
    padding: 1rem;
    border: 2px solid #E2E8F0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.contato-form input:focus,
.contato-form textarea:focus { outline: none; border-color: var(--orange); }

.btn-submit {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.btn-submit:hover { transform: translateY(-3px); }

/* ==========================================
   FOOTER com botões do projeto
   ========================================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3.5rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-tagline { font-size: 1.4rem; font-weight: 700; }
.footer-sub { font-size: 1rem; opacity: 0.75; font-style: italic; }

.footer-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 0.5rem 0;
}

.footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Georgia', serif;
    border: 2.5px solid transparent;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.footer-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.35);
}

.footer-btn-donate {
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    color: white;
    border-color: var(--orange);
}

.footer-btn-volunteer {
    background: transparent;
    color: var(--green);
    border-color: var(--green);
}
.footer-btn-volunteer:hover { background: var(--green); color: #2D3748; }

.footer-btn-material {
    background: transparent;
    color: var(--blue);
    border-color: var(--blue);
}
.footer-btn-material:hover { background: var(--blue); color: white; }

.footer-btn-share {
    background: transparent;
    color: var(--pink);
    border-color: var(--pink);
}
.footer-btn-share:hover { background: var(--pink); color: #2D3748; }

.footer-social {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer .social-link {
    background: rgba(255,255,255,0.08);
    color: white;
    border-color: rgba(255,255,255,0.3);
}
.footer .social-link:hover { background: var(--orange); border-color: var(--orange); color: white; }

.footer-copy { font-size: 0.85rem; opacity: 0.5; margin-top: 0.5rem; }

/* Responsive */
@media (max-width: 900px) {
    .galeria-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero-btn-float { font-size: 1rem; padding: 0.9rem 2rem; }

    .sobre-content,
    .contato-content { grid-template-columns: 1fr; }

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

    .nav-link { display: none; }

    .menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
    }

    .menu-toggle span {
        width: 25px;
        height: 3px;
        background-color: var(--text-dark);
    }

    .footer-buttons { flex-direction: column; align-items: center; }
    .footer-btn { width: 100%; max-width: 280px; justify-content: center; }
}
/* ==========================================
   BOTÃO MUTE — fixo no canto inferior direito
   ========================================== */
#btn-mute {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2.5px solid var(--orange);
    background: rgba(255, 248, 231, 0.92);
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(255, 157, 92, 0.35);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
}

#btn-mute:hover {
    transform: scale(1.15);
    box-shadow: 0 10px 28px rgba(255, 157, 92, 0.55);
    background: var(--orange);
}