/* Base Configuration & Variables */
:root {
    /* Brand Colors derived from ADICH Logo */
    --color-green: #1a472a; 
    --color-green-light: #266b3f;
    --color-green-dark: #12301c;
    
    --color-yellow: #fdb913;
    --color-yellow-light: #fed255;
    
    --color-blue: #1b305c;
    --color-blue-light: #2a4b8a;
    
    /* UI Colors */
    --bg-main: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #0f1712;
    --bg-dark-surface: #18241d;
    
    --text-main: #212529;
    --text-muted: #6c757d;
    --text-light: #f8f9fa;
    --text-white-80: rgba(255, 255, 255, 0.8);
    --text-white-60: rgba(255, 255, 255, 0.6);
    
    --border-color: #e5e7eb;
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --space-xs: 0.5rem;   /* 8px */
    --space-sm: 1rem;     /* 16px */
    --space-md: 2rem;     /* 32px */
    --space-lg: 4rem;     /* 64px */
    --space-xl: 6rem;     /* 96px */
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p { font-size: 1.125rem; }

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

a:hover {
    color: var(--color-yellow);
}

ul { list-style: none; }

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}
.container-sm { max-width: 800px; }

.section { padding: var(--space-xl) 0; }
.pt-xl { padding-top: var(--space-xl); }
.pt-l { padding-top: var(--space-lg); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }

.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); }
.bg-primary { background-color: var(--color-green); }

.text-white, .text-white h1, .text-white h2, .text-white h3, .text-white h4, .text-white h5, .text-white h6 { color: var(--text-light); }
.text-white-80 { color: rgba(255, 255, 255, 0.8); }
.text-white-60 { color: rgba(255, 255, 255, 0.6); }
.text-gray { color: var(--text-muted); }
.text-primary { color: var(--color-green); }
.text-secondary { color: var(--color-yellow); }
.text-dark { color: var(--text-main); }

.align-center { align-items: center; }

/* Grid Systems */
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}
.grid-3-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}
.grid-4-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .grid-2-col { grid-template-columns: repeat(2, 1fr); }
    .grid-3-col { grid-template-columns: repeat(3, 1fr); }
    .grid-4-col { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-4-col { grid-template-columns: repeat(4, 1fr); }
    .pl-lg { padding-left: var(--space-lg); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--color-yellow);
    color: var(--color-green-dark);
}
.btn-primary:hover {
    background-color: var(--color-yellow-light);
    color: var(--color-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(253, 185, 19, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--text-light);
    color: var(--text-light);
}
.btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--color-green-dark);
    transform: translateY(-2px);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.badge-light {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-yellow);
    backdrop-filter: blur(10px);
}

/* Link Arrow */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--color-blue);
}
.link-arrow i {
    transition: var(--transition-fast);
}
.link-arrow:hover i {
    transform: translateX(4px);
}

/* Section Shared */
.subtitle {
    display: block;
    font-family: var(--font-sans);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-green);
    margin-bottom: var(--space-xs);
}
.text-white .subtitle {
    color: var(--color-yellow);
}
.divider {
    width: 60px;
    height: 4px;
    background-color: var(--color-yellow);
    margin-top: var(--space-sm);
    border-radius: 2px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}
.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
}
.navbar.scrolled .logo-img {
    height: 40px;
}
.logo-img-footer {
    height: 64px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    position: relative;
    font-size: 0.95rem;
}

.navbar.scrolled .nav-links a {
    color: var(--text-main);
}
.navbar.scrolled .nav-links a:hover {
    color: var(--color-green);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-yellow);
    transition: var(--transition-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links .btn-nav {
    background-color: var(--color-yellow);
    color: var(--color-green-dark);
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
}
.nav-links .btn-nav::after { display: none; }
.nav-links .btn-nav:hover {
    background-color: var(--color-yellow-light);
    color: var(--color-green-dark);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}
.navbar.scrolled .menu-toggle {
    color: var(--text-main);
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-green-dark);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.menu-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 2rem;
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mobile-nav-links a {
    font-size: 1.5rem;
    color: var(--text-light);
    font-family: var(--font-serif);
}

@media (max-width: 900px) {
    .nav-links { display: none; }
    .menu-toggle { display: block; }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--space-xl); /* offset nav */
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(26,71,42,0.7), rgba(18,48,28,0.6)),
        url('valenca-igreja.jpg') center/cover no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, var(--bg-dark) 95%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--text-light);
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.hero-title {
    margin-bottom: var(--space-sm);
}

.hero-title .highlight {
    color: var(--color-yellow);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto var(--space-md);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}
.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 20px;
    display: block;
    position: relative;
}
.wheel {
    width: 4px;
    height: 6px;
    background: var(--color-yellow);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

@media (max-width: 768px) {
    .hero-cta { flex-direction: column; }
    .hero-subtitle { font-size: 1.125rem; }
}

/* Feature Cards */
.cards-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.feature-card {
    background: var(--bg-main);
    padding: var(--space-md);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    transition: var(--transition-normal);
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}
.icon-box {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background-color: rgba(26, 71, 42, 0.1);
    color: var(--color-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

/* Pillar Cards (Dark Section) */
.pillar-card {
    background-color: var(--bg-dark-surface);
    padding: var(--space-md);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition-normal);
    color: var(--text-light);
}
.pillar-card:hover {
    background-color: var(--color-green-dark);
    transform: translateY(-5px);
    border-color: rgba(253, 185, 19, 0.3);
}
.pillar-icon {
    font-size: 2.5rem;
    color: var(--color-yellow);
    margin-bottom: var(--space-sm);
}
.pillar-card h3 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}
.pillar-card p {
    color: var(--text-white-60);
    font-size: 1rem;
}

/* Glass Panel / Transparência */
.glass-panel {
    background: var(--bg-main);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    overflow: hidden;
}
.panel-header {
    background: var(--color-blue);
    color: var(--text-light);
    padding: 1rem 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.doc-list li {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
    transition: var(--transition-fast);
}
.doc-list li:last-child { border-bottom: none; }
.doc-list li:hover { background-color: var(--bg-light); }
.doc-list i.ph-file-text { font-size: 1.5rem; color: var(--color-green); }
.doc-list div { flex: 1; display: flex; flex-direction: column; }
.doc-list span { font-size: 0.85rem; color: var(--text-muted); }
.btn-download {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-fast);
}
.btn-download:hover { color: var(--color-blue); transform: scale(1.1); }

/* Accordion */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.accordion-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}
.accordion-header {
    width: 100%;
    text-align: left;
    background: var(--bg-main);
    padding: 1rem 1.5rem;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-blue);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}
.accordion-header:hover { background-color: var(--bg-light); }
.accordion-content {
    max-height: 0;
    overflow: hidden;
    background: var(--bg-main);
    transition: max-height 0.3s ease-out;
}
.accordion-content p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 1rem;
}
.accordion-item.active .accordion-content { max-height: 200px; }
.accordion-item.active .accordion-header i { transform: rotate(180deg); }

/* Pricing Cards */
.pricing-card {
    border-radius: 16px;
    padding: var(--space-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
}
.pricing-card.popular {
    transform: scale(1.05);
    border-color: var(--color-yellow);
    z-index: 2;
}
.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-yellow);
    color: var(--color-green-dark);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}
.pricing-header {
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}
.pricing-header h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.pricing-header p { font-size: 0.95rem; color: var(--text-muted); }
.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-green);
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}
.price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.pricing-features { flex: 1; }
.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

@media (max-width: 1024px) {
    .pricing-card.popular { transform: scale(1); }
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-white-60);
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding-bottom: var(--space-md);
}
@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1.5fr; }
}
.footer h4 { color: var(--text-light); margin-bottom: 1rem; }
.social-links { display: flex; gap: 1rem; }
.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.05);
    color: var(--text-light);
    font-size: 1.25rem;
    transition: var(--transition-fast);
}
.social-links a:hover {
    background-color: var(--color-yellow);
    color: var(--color-green-dark);
}
.footer-links ul li { margin-bottom: 0.5rem; }
.footer-links ul li a { color: var(--text-white-60); }
.footer-links ul li a:hover { color: var(--color-yellow); padding-left: 5px; }
.contact-info li { display: flex; gap: 1rem; margin-bottom: 1rem; align-items: flex-start; }
.contact-info i { color: var(--color-yellow); font-size: 1.25rem; }
.footer-bottom {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    gap: 1rem;
}
@media (min-width: 768px) {
    .footer-bottom { flex-direction: row; }
}
.legal-links a {
    color: var(--text-white-60);
    margin-left: 1rem;
    font-size: 0.875rem;
}
.legal-links a:hover { color: var(--text-light); }

/* Enhanced Animations */
.fade-in-up { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in-right { opacity: 0; transform: translateX(30px); transition: opacity 0.8s ease, transform 0.8s ease; }

.is-visible { opacity: 1; transform: translate(0); }

/* Staggered Delay */
.staggered-fade-in > *:nth-child(1) { transition-delay: 0.1s; }
.staggered-fade-in > *:nth-child(2) { transition-delay: 0.2s; }
.staggered-fade-in > *:nth-child(3) { transition-delay: 0.3s; }
.staggered-fade-in > *:nth-child(4) { transition-delay: 0.4s; }