/* ========================================
   IFBEM - Instituto Familiar do Bem-Estar
   CSS Principal
   ======================================== */

/* Variables */
:root {
    /* Colors */
    --primary: #90a236;
    --primary-dark: #42611b;
    --primary-light: #8cbf4a;
    --secondary: #aebf56;
    --accent: #ffebcf;
    --accent-dark: #e5c79d;
    
    --text-dark: #1A1A1A;
    --text-medium: #4A4A4A;
    --text-light: #6A6A6A;
    --background-light: #F8F9FA;
    --background-white: #FFFFFF;
    --border-color: #E0E0E0;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --section-padding: 80px;
    --container-padding: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
    
    /* Shadows */
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* 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;
}

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

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

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

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--background-white);
    box-shadow: var(--shadow-small);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    box-shadow: var(--shadow-medium);
}

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

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-medium);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 120px 0 80px;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(92, 158, 173, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(232, 184, 109, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--background-white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
    padding: var(--section-padding) 0;
}

.section-light {
    background: var(--background-light);
}

.section-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--background-white);
}

.section-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--text-dark);
}

.section-header {
    margin-bottom: 3rem;
}

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

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.section-label.light {
    color: var(--accent);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: #203309;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.section-title.light {
    color: var(--background-white);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto;
}

.section-description.light {
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   CONTENT LAYOUTS
   ======================================== */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.content-main {
    padding-right: 2rem;
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.lead-text.center {
    text-align: center;
}

.content-main p {
    margin-bottom: 1.25rem;
    color: var(--text-medium);
    font-size: 1.05rem;
}

.content-centered {
    max-width: 900px;
    margin: 0 auto;
}

.content-centered p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    color: var(--text-medium);
}

.center {
    text-align: center;
}

/* ========================================
   INFO CARDS
   ======================================== */
.info-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-small);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

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

.info-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.info-card p {
    font-size: 0.95rem;
    color: var(--text-medium);
}

/* ========================================
   MVV SECTION
   ======================================== */
.mvv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.mvv-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
}

.mvv-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.mvv-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.mvv-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--background-white);
}

.mvv-card p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

.valores-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 3rem;
}

.valores-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--background-white);
    text-align: center;
}

.valores-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.valor-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.valor-item i {
    font-size: 2.5rem;
    color: var(--accent);
}

.valor-item span {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--background-white);
}

/* ========================================
   AREAS DE ATUAÇÃO
   ======================================== */
.areas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.area-card {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-small);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.area-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-light);
}

.area-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.area-icon i {
    font-size: 2rem;
    color: var(--background-white);
}

.area-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.area-card p {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ========================================
   ASSOCIADOS
   ======================================== */
.associados-content {
    max-width: 800px;
    margin: 0 auto;
}

.associados-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 3rem 0;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.benefit-item i {
    font-size: 1.5rem;
    color: var(--primary-dark);
}

.benefit-item span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* ========================================
   TRANSPARÊNCIA
   ======================================== */
.transparencia-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.transparencia-card {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-small);
    text-align: center;
    transition: var(--transition-smooth);
}

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

.transparencia-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.transparencia-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.transparencia-card p {
    font-size: 0.95rem;
    color: var(--text-medium);
}

/* ========================================
   CONTATO
   ======================================== */
.contato-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.contato-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: var(--transition-smooth);
}

.contato-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
}

.contato-card i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.contato-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--background-white);
}

.contato-card p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-smooth);
    text-align: center;
}

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

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

.btn-secondary {
    background: var(--secondary);
    color: var(--background-white);
}

.btn-secondary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

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

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

.btn-light:hover {
    background: var(--background-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

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

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.button-group.center {
    justify-content: center;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: #1b2a09;
    color: #1b2a09;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-about h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    margin-top: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links h4 {
    color: var(--background-white);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-social h4 {
    color: var(--background-white);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--background-white);
    font-size: 1.2rem;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--accent);
    color: var(--text-dark);
    transform: translateY(-3px);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-legal {
    font-size: 0.85rem;
}

/* ========================================
   BACK TO TOP BUTTON
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--background-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-smooth);
    z-index: 999;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

.back-to-top.visible {
    display: flex;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablets */
@media (max-width: 968px) {
    :root {
        --section-padding: 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .content-main {
        padding-right: 0;
    }
    
    .mvv-grid,
    .areas-grid {
        grid-template-columns: 1fr;
    }
    
    .valores-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .associados-benefits {
        grid-template-columns: 1fr;
    }
    
    .transparencia-grid,
    .contato-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--background-white);
        flex-direction: column;
        padding: 80px 30px 30px;
        gap: 0;
        box-shadow: var(--shadow-large);
        transition: right var(--transition-smooth);
        align-items: flex-start;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link {
        display: block;
        padding: 1rem 0;
        width: 100%;
    }
    
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .valores-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .button-group .btn {
        width: 100%;
        text-align: center;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .lead-text {
        font-size: 1.1rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-subtitle {
        font-size: 0.6rem;
    }
    
    .info-card,
    .area-card,
    .mvv-card,
    .valores-section,
    .transparencia-card,
    .contato-card {
        padding: 1.5rem;
    }
}