/* ================================================
   SYS-ALA INFORMÁTICA - ESTILO MODERNO E RESPONSIVO
   ================================================ */

/* ===== VARIÁVEIS E RESET ===== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --text-light: #64748b;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.15);
    --shadow-hover: 0 20px 40px rgba(37, 99, 235, 0.2);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Fallback para browsers antigos */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --text-light: #64748b;
    --gradient-primary: #2563eb;
    --gradient-dark: #1e293b;
    --gradient-accent: #f59e0b;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.15);
    --shadow-hover: 0 20px 40px rgba(37, 99, 235, 0.2);
    --border-radius: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: #334155;
    background: #f8fafc;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* ===== HEADER E NAVEGAÇÃO ===== */
.navbar-custom {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
    transition: var(--transition);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-custom.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

.navbar-brand-custom {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.navbar-brand-custom .logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.navbar-brand-custom .brand-text {
    display: flex;
    flex-direction: column;
}

.navbar-brand-custom .brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark-color);
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.navbar-brand-custom .brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.navbar-toggler-custom {
    border: none;
    background: none;
    padding: 0.5rem;
    cursor: pointer;
}

.navbar-toggler-custom:focus {
    outline: none;
}

.navbar-toggler-custom span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 5px 0;
    border-radius: 3px;
    transition: var(--transition);
}

.navbar-toggler-custom.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.navbar-toggler-custom.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler-custom.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 10px;
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.nav-link.active {
    background: var(--gradient-primary);
    color: white;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: var(--accent-color);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 10px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.nav-dropdown-toggle:hover {
    background: #d97706;
    transform: translateY(-2px);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 280px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.dropdown-item img {
    width: 24px;
    height: 24px;
    border-radius: 6px;
}

.dropdown-divider {
    height: 1px;
    background: #e2e8f0;
    margin: 0.5rem 0;
}

/* ===== HERO SECTION ===== */
.hero-section {
    padding-top: 100px;
    padding-bottom: 60px;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-title span {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 600px;
}

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

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-hero-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
    color: white;
    text-decoration: none;
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
    color: white;
    text-decoration: none;
}

/* ===== CARROSSEL ===== */
.carousel-section {
    margin-top: -40px;
    position: relative;
    z-index: 2;
    padding: 0 2rem;
}

.carousel-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.carousel-inner-custom {
    border-radius: 20px;
}

.carousel-inner-custom img,
.carousel-item img,
.carousel-item.active img {
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: contain;
    background: #f8fafc;
}

#slideshow {
    max-width: 100%;
    overflow: hidden;
}

/* ===== SEÇÕES GERAIS ===== */
.section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

/* ===== CARDS ===== */
.card-custom {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    transition: var(--transition);
    border: none;
    height: 100%;
}

.card-custom:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.card-icon.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.card-icon.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.card-icon.info {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.card-text {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

.card-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.card-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-color);
    font-size: 0.9rem;
}

.card-list li i {
    color: var(--success-color);
    margin-top: 4px;
}

/* ===== SISTEMAS ===== */
.sistema-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
    height: 100%;
}

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

.sistema-header {
    background: var(--gradient-primary);
    padding: 1.5rem;
    color: white;
}

.sistema-card:hover .sistema-header {
    background: var(--gradient-dark);
}

.sistema-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.sistema-body {
    padding: 1.5rem;
}

.sistema-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sistema-body ul li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.9rem;
    color: var(--text-color);
}

.sistema-body ul li:last-child {
    border-bottom: none;
}

.sistema-body ul li i {
    color: var(--success-color);
    font-size: 0.85rem;
}

/* ===== APP BUTTONS ===== */
.app-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.btn-app {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: #000;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}

.btn-app:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none;
}

.btn-app.apple {
    background: #1e293b;
}

.btn-app.google {
    background: #ea580c;
}

.btn-app i {
    font-size: 1.25rem;
}

.btn-app span {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.btn-app span small {
    font-size: 0.7rem;
    opacity: 0.8;
}

/* ===== CONTATO ===== */
.contato-section {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.contato-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.contato-card {
    background: white;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.contato-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--light-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-content h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.info-content p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #25d366;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.whatsapp-btn:hover {
    background: #128c7e;
    transform: translateY(-3px);
    color: white;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

/* ===== SOBRE ===== */
.sobre-section {
    background: white;
}

.sobre-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.sobre-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.sobre-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    margin: 0;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 991px) {
    .navbar-collapse-custom {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        border-radius: 0 0 20px 20px;
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .navbar-collapse-custom.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-link, .nav-dropdown-toggle {
        justify-content: space-between;
    }

    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        padding-left: 1rem;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .nav-dropdown:hover .nav-dropdown-menu {
        display: block;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    .carousel-inner-custom img {
        height: 250px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    .hero-section {
        padding-top: 90px;
        padding-bottom: 40px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .card-custom {
        padding: 1.5rem;
    }

    .sistema-header {
        padding: 1rem;
    }

    .sistema-body {
        padding: 1rem;
    }

    .contato-card {
        padding: 1.5rem;
    }

    .app-buttons {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-badge {
        font-size: 0.75rem;
        padding: 0.4rem 1rem;
    }

    .btn-hero {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }

    .card-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
}

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }