/* Reset e Variáveis */
:root {
    --primary-color: #ff6b00;
    --primary-dark: #e05a00;
    --primary-light: #ff8c42;
    --secondary-color: #1a1f2e;
    --dark-color: #0d1117;
    --darker-color: #010409;
    --light-color: #f0f6fc;
    --gray-light: #c9d1d9;
    --gray-medium: #8b949e;
    --gray-dark: #30363d;
    --card-bg: #161b22;
    --success-color: #2ea043;
    --error-color: #f85149;
    --border-radius: 10px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-color);
    color: var(--light-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container Responsivo */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Responsivo */
header {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-color) 100%);
    padding: 15px 0;
    border-bottom: 3px solid var(--primary-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary-color), #ffa500);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navegação Mobile First */
.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: var(--light-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--secondary-color);
    padding: 80px 20px 30px;
    transition: right 0.4s ease;
    z-index: 1000;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
}

nav.active {
    right: 0;
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

nav ul {
    list-style: none;
}

nav li {
    margin-bottom: 10px;
}

nav a {
    display: block;
    color: var(--light-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 3px solid transparent;
    transition: var(--transition);
}

nav a:hover,
nav a.active {
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
    background-color: rgba(255, 107, 0, 0.1);
}

/* Hero Section Responsiva */
.hero {
    background: linear-gradient(rgba(13, 17, 23, 0.9), rgba(13, 17, 23, 0.9)), 
                url('https://images.unsplash.com/photo-1534367507877-0edd93bd013b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 140px 0 100px;
    text-align: center;
    margin-top: 60px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.2;
}

.hero h2 span {
    color: var(--primary-color);
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--gray-light);
}

/* Botões Responsivos */
.cta-button {
    display: inline-block;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 14px 35px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 0, 0.3);
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
}

.cta-button.secondary:hover {
    background: rgba(255, 107, 0, 0.1);
}

/* Seções */
section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2rem;
    display: inline-block;
    position: relative;
    padding-bottom: 15px;
}

.section-title h2:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* Grid Responsivo */
.cards-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.exercise-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

/* Cards Responsivos */
.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-dark);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 107, 0, 0.1);
    border-color: var(--primary-color);
}

.card-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img img {
    transform: scale(1.05);
}

.card-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.card-content p {
    color: var(--gray-light);
    margin-bottom: 15px;
    flex-grow: 1;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    transition: var(--transition);
}

.card-link:hover {
    text-decoration: underline;
    gap: 12px;
}

/* Destaques */
.highlights {
    background-color: var(--card-bg);
}

.highlight-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 40px;
}

.highlight-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.highlight-icon i {
    font-size: 1.8rem;
    color: white;
}

.highlight-text h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* About Section Responsiva */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.about-text h3 {
    font-size: 1.5rem;
    margin: 20px 0 10px;
    color: var(--primary-color);
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-image {
    width: 100%;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* Newsletter Responsiva */
.newsletter {
    background: linear-gradient(rgba(26, 31, 46, 0.9), rgba(26, 31, 46, 0.9)), 
                url('https://images.unsplash.com/photo-1571019613454-1cb2f99b2d8b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    text-align: center;
    padding: 60px 20px;
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
}

.newsletter h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.newsletter p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: var(--gray-light);
}

/* Formulário Responsivo */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.form-group input {
    padding: 14px 20px;
    border-radius: 50px;
    border: 2px solid var(--gray-dark);
    background-color: var(--dark-color);
    color: var(--light-color);
    font-size: 1rem;
    width: 100%;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 5px;
    display: none;
    font-size: 0.95rem;
}

.form-message.success {
    display: block;
    background-color: rgba(46, 160, 67, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.form-message.error {
    display: block;
    background-color: rgba(248, 81, 73, 0.2);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

/* Páginas Internas */
.page-header {
    background: linear-gradient(rgba(13, 17, 23, 0.9), rgba(13, 17, 23, 0.9)), 
                url('https://images.unsplash.com/photo-1534367507877-0edd93bd013b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    padding: 120px 0 60px;
    text-align: center;
    margin-top: 60px;
}

.page-header h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.page-header p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--gray-light);
}

/* Exercise Cards */
.exercise-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--gray-dark);
}

.exercise-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.exercise-card-content {
    padding: 20px;
}

.exercise-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.exercise-card ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.exercise-card li {
    margin-bottom: 8px;
    color: var(--gray-light);
}

.exercise-card p {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

/* Suplementos */
.supplement-category {
    margin-bottom: 50px;
}

.supplement-category h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gray-dark);
}

/* Footer Responsivo */
footer {
    background-color: var(--darker-color);
    padding: 50px 0 25px;
    border-top: 3px solid var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-column h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    bottom: 0;
    left: 0;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-column ul li i {
    color: var(--primary-color);
    width: 20px;
}

.footer-column ul li a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--primary-color);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--gray-dark);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid var(--gray-dark);
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.copyright i {
    color: var(--primary-color);
    margin: 0 5px;
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Media Queries para Tablet */
@media (min-width: 768px) {
    html {
        font-size: 17px;
    }
    
    .logo i {
        font-size: 2rem;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 160px 0 120px;
    }
    
    .hero h2 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .cards-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .exercise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .highlight-item {
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
    }
    
    .highlight-icon {
        margin-right: 20px;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .about-content {
        flex-direction: row;
        align-items: center;
        gap: 50px;
    }
    
    .about-text {
        flex: 1;
    }
    
    .about-image {
        flex: 1;
    }
    
    .form-group {
        flex-direction: row;
    }
    
    .form-group input {
        flex: 1;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Media Queries para Desktop */
@media (min-width: 992px) {
    .mobile-menu-btn {
        display: none;
    }
    
    nav {
        position: static;
        width: auto;
        height: auto;
        background-color: transparent;
        padding: 0;
        box-shadow: none;
        overflow: visible;
    }
    
    nav ul {
        display: flex;
        gap: 25px;
    }
    
    nav li {
        margin-bottom: 0;
    }
    
    nav a {
        padding: 8px 15px;
        border-left: none;
        border-radius: 5px;
    }
    
    nav a:hover,
    nav a.active {
        border-left: none;
        background-color: rgba(255, 107, 0, 0.1);
    }
    
    .nav-overlay {
        display: none;
    }
    
    .hero h2 {
        font-size: 3.2rem;
    }
    
    .cards-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .exercise-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Media Queries para Telas Grandes */
@media (min-width: 1200px) {
    .container {
        padding: 0;
    }
    
    .hero h2 {
        font-size: 3.5rem;
    }
}

/* Ajustes para telas muito pequenas */
@media (max-width: 360px) {
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
}

/* Otimização para impressão */
@media print {
    header, footer, .cta-button, .social-icons {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .container {
        max-width: 100%;
    }
    
    section {
        padding: 20px 0;
        page-break-inside: avoid;
    }
}

/* Estilos para a página de Nutrição */
.calculator {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    border: 1px solid var(--gray-dark);
}

.calculator-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .calculator-form {
        grid-template-columns: repeat(2, 1fr);
    }
}

.calculator-form .form-group {
    display: flex;
    flex-direction: column;
}

.calculator-form label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-light);
}

.calculator-form input,
.calculator-form select {
    padding: 12px 15px;
    border-radius: 5px;
    border: 1px solid var(--gray-dark);
    background-color: var(--dark-color);
    color: var(--light-color);
    font-size: 1rem;
}

.calculator-form input:focus,
.calculator-form select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.calculator-results {
    background-color: var(--dark-color);
    padding: 25px;
    border-radius: var(--border-radius);
    border: 1px solid var(--primary-color);
}

.result-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--gray-dark);
}

.result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-item h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.result-item p {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--light-color);
}

/* Estilos para a página de Suplementos */
.pyramid-level {
    transition: transform 0.3s;
}

.pyramid-level:hover {
    transform: translateX(10px);
}

.faq-item {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.faq-item p {
    color: var(--gray-light);
}

/* Estilos para a página de Motivação */
.quote-card {
    transition: transform 0.3s;
}

.quote-card:hover {
    transform: translateY(-5px);
}

.habit-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-dark);
}

.habit-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.habit-icon i {
    font-size: 1.8rem;
    color: white;
}

.habit-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.habit-content p {
    color: var(--gray-light);
}

.challenge-steps {
    margin: 30px 0;
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.step-content {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    flex-grow: 1;
    border: 1px solid var(--gray-dark);
}

.step-content h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.step-content p {
    color: var(--gray-light);
}

/* Melhorias para imagens responsivas */
.card-img {
    position: relative;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

/* Fallback para imagens que não carregam */
.card-img img:before {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background-color: var(--secondary-color);
    background-image: linear-gradient(45deg, var(--secondary-color), var(--dark-color));
}

.card-img img:after {
    content: "Imagem não disponível";
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary-color);
    font-weight: bold;
    text-align: center;
}

/* Tabela responsiva */
.table-responsive {
    overflow-x: auto;
    margin: 20px 0;
}

.table-responsive table {
    min-width: 600px;
}

@media (max-width: 768px) {
    .table-responsive table {
        font-size: 0.9rem;
    }
    
    .table-responsive th,
    .table-responsive td {
        padding: 10px !important;
    }
}

/* Melhorias para fallback de imagens */
.image-fallback {
    background: linear-gradient(45deg, var(--secondary-color), var(--dark-color));
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    text-align: center;
    padding: 20px;
}