/* ============================================
   NUTRIC BÁRBARA - MODERN PROFESSIONAL STYLES
   ============================================ */

/* ----- CSS Variables ----- */
:root {
    /* Colors */
    --primary-color: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --secondary-color: #8b5cf6;
    --secondary-dark: #7c3aed;
    
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    --bg-gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-heading: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ----- Reset & Base Styles ----- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--bg-white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

ul {
    list-style: none;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    color: var(--text-medium);
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

/* ----- Container ----- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ----- Header / Navigation ----- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.75rem;
    color: var(--text-dark);
}

.logo .highlight {
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-medium);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--bg-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ----- Section Styles ----- */
.section {
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background: var(--bg-dark);
    color: white;
}

.section-dark * {
    color: white;
}

.section-dark .section-title,
.section-dark h3,
.section-dark h4 {
    color: white;
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header.center {
    text-align: center;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

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

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.highlight {
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text {
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ----- Hero Section ----- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: linear-gradient(135deg, #f0fdf4 0%, #dbeafe 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.hero .container {
    position: relative;
    z-index: 1;
}

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

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: white;
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-item h3 {
    font-size: 1.75rem;
    margin: 0;
}

.stat-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
}

.hero-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.image-placeholder i {
    font-size: 8rem;
    color: white;
    opacity: 0.5;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}

.shape-fill {
    fill: var(--bg-white);
}

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

.sobre-image {
    position: relative;
}

.image-frame {
    position: relative;
    z-index: 1;
}

.floating-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 2;
}

.floating-card i {
    font-size: 2rem;
    color: var(--primary-color);
}

.floating-card h4 {
    margin: 0;
    font-size: 1.125rem;
}

.floating-card p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

.sobre-text h3 {
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.sobre-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    gap: 1rem;
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-item h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1.25rem;
}

.feature-item p {
    margin: 0;
    color: var(--text-light);
}

/* ----- Serviços Section ----- */
.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.servico-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
    position: relative;
}

.servico-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.servico-card.featured {
    background: var(--bg-gradient);
    border-color: transparent;
}

.featured-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: white;
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.servico-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.servico-icon i {
    font-size: 2rem;
    color: white;
}

.servico-card h3 {
    margin-bottom: 1rem;
    color: white;
}

.servico-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

.servico-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.servico-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

.servico-features i {
    color: var(--primary-light);
}

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

.step-card {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    position: absolute;
    top: 0;
    right: 1rem;
    width: 50px;
    height: 50px;
    background: var(--bg-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-icon {
    width: 100px;
    height: 100px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.step-card h3 {
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--text-light);
}

/* ----- Planos Section ----- */
.planos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.plano-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
    position: relative;
}

.plano-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.plano-card.featured {
    background: var(--bg-gradient);
    border-color: transparent;
    transform: scale(1.05);
}

.plano-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.plano-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.plano-header h3 {
    color: white;
    margin-bottom: 1rem;
}

.plano-preco {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.plano-preco .currency {
    font-size: 1.5rem;
    color: white;
}

.plano-preco .valor {
    font-size: 4rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.plano-preco .periodo {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
}

.plano-economia {
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: inline-block;
    font-weight: 600;
    color: white;
    font-size: 0.875rem;
}

.plano-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.plano-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

.plano-features i {
    color: var(--primary-light);
    flex-shrink: 0;
}

.planos-garantia {
    text-align: center;
}

.garantia-card {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem 2.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.garantia-card i {
    font-size: 2.5rem;
    color: var(--primary-light);
}

.garantia-card h4 {
    margin: 0;
    color: white;
}

.garantia-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* ----- Depoimentos ----- */
.depoimentos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.depoimento-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.depoimento-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.depoimento-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.depoimento-rating i {
    color: #fbbf24;
}

.depoimento-text {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--text-medium);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.depoimento-autor {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.autor-avatar {
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.autor-avatar i {
    font-size: 1.5rem;
    color: white;
}

.depoimento-autor h4 {
    margin: 0;
    font-size: 1.125rem;
}

.depoimento-autor p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ----- FAQ ----- */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-normal);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.05);
}

.faq-question i {
    transition: var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ----- Contato ----- */
.contato-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contato-info h3 {
    margin-bottom: 1rem;
}

.contato-info > p {
    margin-bottom: 2rem;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.05);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.info-item:hover {
    background: rgba(16, 185, 129, 0.1);
    transform: translateX(5px);
}

.info-item i {
    width: 50px;
    height: 50px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.info-item h4 {
    margin: 0;
    font-size: 1.125rem;
}

.info-item p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.contato-form-wrapper {
    background: rgba(16, 185, 129, 0.05);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

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

/* ----- Footer ----- */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1.5rem;
    color: white;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a,
.footer-col ul li {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-normal);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ----- Floating Buttons ----- */
.whatsapp-float,
.telegram-float {
    position: fixed;
    bottom: 30px;
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: var(--transition-normal);
}

.whatsapp-float {
    right: 30px;
}

.telegram-float {
    right: 110px;
}

.whatsapp-float:hover,
.telegram-float:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 30px rgba(16, 185, 129, 0.4);
}

/* ----- Responsive Design ----- */
@media (max-width: 1024px) {
    .hero-content,
    .sobre-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .contato-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
    }
    
    .steps-grid,
    .servicos-grid,
    .planos-grid,
    .depoimentos-grid {
        grid-template-columns: 1fr;
    }
    
    .plano-card.featured {
        transform: scale(1);
    }
    
    .whatsapp-float,
    .telegram-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .telegram-float {
        right: 90px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
}