/* ============================================
   RESET & VARIABLES
   ============================================ */
:root {
    /* Cores principais baseadas na logo */
    --primary: #27553E;
    --primary-dark: #1e3d2f;
    --primary-light: #3d6b4f;
    --accent: #fbbf24;
    --accent-dark: #f59e0b;
    --accent-light: #fcd34d;
    
    /* Cores de fundo */
    --dark: #0a1410;
    --dark-secondary: #121f18;
    --light: #f8fafc;
    
    /* Cores de texto */
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Bordas e sombras */
    --border: rgba(255, 255, 255, 0.1);
    --border-primary: rgba(39, 85, 62, 0.3);
    --border-accent: rgba(251, 191, 36, 0.3);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3);
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #27553E 0%, #1e3d2f 100%);
    --gradient-accent: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-dark: linear-gradient(180deg, #0a1410 0%, #121f18 100%);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 0;
}

section {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 80px 20px;
    background: var(--gradient-dark);
    overflow: hidden;
    transition: all 0.5s ease;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        /* Linhas do campo */
        linear-gradient(to right, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        /* Círculo central */
        radial-gradient(circle at 50% 50%, transparent 0%, transparent 30%, rgba(255, 255, 255, 0.05) 30%, rgba(255, 255, 255, 0.05) 32%, transparent 32%),
        /* Linha central */
        linear-gradient(to right, transparent 0%, transparent 49%, rgba(255, 255, 255, 0.08) 49.5%, rgba(255, 255, 255, 0.08) 50.5%, transparent 51%, transparent 100%),
        /* Padrão de grama sutil */
        repeating-linear-gradient(
            0deg,
            rgba(39, 85, 62, 0.2) 0px,
            rgba(39, 85, 62, 0.15) 2px,
            rgba(39, 85, 62, 0.2) 4px
        ),
        /* Base escura */
        var(--gradient-dark);
    background-size: 50px 50px, 50px 50px, 100% 100%, 100% 100%, 100% 100%, 100% 100%;
    z-index: 0;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    width: 100%;
}

.hero-logo {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-logo {
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.98);
    padding: 20px;
    border: 3px solid #27553E;
    display: block;
    object-fit: contain;
    opacity: 1 !important;
    visibility: visible !important;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--text-primary);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-primary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.5);
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--dark);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-primary);
    color: var(--text-primary);
}

.btn-cta {
    background: var(--text-primary);
    color: var(--primary-dark);
    font-size: 1.2rem;
    padding: 18px 40px;
    font-weight: 700;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    padding: 100px 20px;
    background: var(--dark-secondary);
    position: relative;
    transition: all 0.5s ease;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem 1.25rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
    background: rgba(39, 85, 62, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--dark);
    box-shadow: var(--shadow-lg);
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.85rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    padding: 100px 20px;
    background: #27553E;
    position: relative;
    overflow: hidden;
    border-top: 3px solid rgba(255, 255, 255, 0.25);
    border-bottom: 3px solid rgba(255, 255, 255, 0.25);
    transition: all 0.5s ease;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 0, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 0, 0, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    opacity: 0.9;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 80px 20px;
    background: var(--dark-secondary);
    text-align: center;
    transition: all 0.5s ease;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background: rgba(39, 85, 62, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    border-width: 2px;
}

.contact-link:hover .fab.fa-instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 20px;
    background: var(--dark-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: all 0.5s ease;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-disclaimer {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .hero {
        padding: 60px 20px;
    }

    .main-logo {
        max-width: 220px;
        padding: 15px;
    }

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

    .feature-card {
        padding: 1.25rem 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 50px 20px;
    }

    .main-logo {
        max-width: 180px;
        padding: 12px;
    }

    .btn {
        padding: 14px 28px;
        font-size: 1rem;
    }

    .btn-cta {
        padding: 16px 32px;
        font-size: 1.1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 1rem;
    }

    .contact-links {
        flex-direction: column;
        gap: 1rem;
    }

    .contact-link {
        padding: 14px 28px;
        font-size: 1rem;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

a:focus,
button:focus {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    color: var(--dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: 2px solid var(--accent);
}

.back-to-top:active {
    transform: translateY(-2px);
}

.back-to-top:focus {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* ============================================
   SMOOTH SCROLL
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}