/* Reset e Variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent-color: #0ea5e9;
    --text-dark: #0f172a;
    --text-medium: #334155;
    --text-light: #64748b;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Focus Visible - Melhor acessibilidade para navegação por teclado */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Remover outline padrão para focus via mouse */
*:focus:not(:focus-visible) {
    outline: none;
}

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

/* Header */
.header {
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.8;
}

.logo a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
    border-radius: 4px;
}

.logo-img {
    height: 55px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-logo-container {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    animation: fadeInDown 0.8s ease;
}

.hero-logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
}

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

/* Preview Section */
.preview {
    background: var(--bg-white);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.preview-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.preview-image-container {
    width: 100%;
    max-width: 900px;
    margin-top: 2rem;
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    padding: 0.75rem;
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease;
}

.preview-image-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px -12px rgba(15, 23, 42, 0.3);
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    object-fit: contain;
    max-height: 600px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

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

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-full {
    width: 100%;
}

/* Sections */
section {
    padding: 6rem 0;
    overflow: visible;
}

section.plans {
    padding: 7rem 0 6rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 4rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Features Section */
.features {
    background: var(--bg-light);
    position: relative;
}

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

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: grayscale(0.2);
    transition: transform 0.3s;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.3;
}

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

/* Plans Section */
.plans {
    background: var(--bg-white);
    overflow: visible;
    position: relative;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2.5rem;
    position: relative;
}

.plan-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: visible;
    transform: scale(1);
    z-index: 1;
}


.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
    z-index: 2;
}

.plan-card.featured {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-color: var(--primary-color);
    border-width: 2px;
    box-shadow: var(--shadow-xl);
    transform: scale(1);
}


.plan-card.featured:hover {
    transform: translateY(-12px) scale(1.05);
    box-shadow: var(--shadow-2xl);
    z-index: 5;
}

.plan-badge {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.625rem 1.75rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.875rem;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    z-index: 10;
}

.plan-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.plan-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.plan-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-light);
}

.plan-price .amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.plan-price .period {
    font-size: 1rem;
    color: var(--text-light);
}

.plan-features {
    flex-grow: 1;
    margin-bottom: 2rem;
}

.plan-features ul {
    list-style: none;
}

.plan-features li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features strong {
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.contact-info h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.contact-info > p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    flex-shrink: 0;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-grow: 1;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    min-height: 65px;
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateX(5px);
}

.benefit-icon {
    font-size: 1.5rem;
}

/* Contact Form */
.contact-form {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 1.5rem;
    flex-shrink: 0;
}

.form-group:last-of-type {
    margin-top: auto;
}

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

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="file"] {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: inherit;
    background: var(--bg-white);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input[type="file"] {
    padding: 0.75rem;
    cursor: pointer;
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.error-message {
    display: block;
    margin-top: 0.5rem;
    color: #ef4444;
    font-size: 0.875rem;
    font-weight: 500;
    min-height: 1.25rem;
}

.form-group input:invalid:not(:focus):not(:placeholder-shown) {
    border-color: #ef4444;
}

.form-group input:valid:not(:placeholder-shown) {
    border-color: #10b981;
}

.form-group button {
    width: 100%;
}

.btn-loader {
    display: none;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    max-width: 400px;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-container.show {
    opacity: 1;
    transform: translateX(0);
}

.toast {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-2xl);
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
}

.toast-success {
    border-left-color: #10b981;
}

.toast-error {
    border-left-color: #ef4444;
}

.toast-warning {
    border-left-color: #f59e0b;
}

.toast-info {
    border-left-color: var(--primary-color);
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.toast-close:hover {
    background: var(--bg-gray);
    color: var(--text-dark);
}

.toast-close:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Footer */
.footer {
    background: #0f172a;
    color: white;
    padding: 4rem 0 1.5rem;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 1rem;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* WhatsApp Floating Button */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
}

.whatsapp-float {
    position: fixed;
    bottom: 2.5rem;
    right: 2rem;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    overflow: visible;
    animation: pulse 2s ease-in-out infinite;
    cursor: pointer;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    background: #20ba5a;
    animation: none;
}

.whatsapp-float:active {
    transform: scale(0.95);
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
    transition: transform 0.3s;
    flex-shrink: 0;
    display: block;
    fill: white;
    stroke: none;
}

.whatsapp-float:hover .whatsapp-icon {
    transform: scale(1.05);
}

.whatsapp-text {
    position: absolute;
    right: 70px;
    white-space: nowrap;
    background: var(--text-dark);
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s;
    box-shadow: var(--shadow-lg);
}

.whatsapp-float:hover .whatsapp-text {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Responsive */
@media (max-width: 768px) {
    .logo-img {
        height: 42px;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }

    .hero {
        padding: 5rem 0 4rem;
    }

    .hero-logo {
        height: 60px;
    }

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

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .plan-card.featured {
        transform: scale(1);
    }

    .plan-card.featured:hover {
        transform: translateY(-8px);
    }

    .plans-grid {
        grid-template-columns: 1fr;
    }

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

    .preview {
        padding: 3rem 0;
    }

    .preview-image-container {
        margin-top: 1.5rem;
        padding: 0.75rem;
        max-width: 100%;
    }

    .preview-image {
        max-height: 400px;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 1rem 15px;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-logo {
        height: 50px;
    }

    .hero-title {
        font-size: 1.875rem;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .feature-card,
    .plan-card {
        padding: 2rem 1.5rem;
    }

    .contact-info h2 {
        font-size: 2rem;
    }

    .whatsapp-float {
        bottom: 2rem;
        right: 1.5rem;
        width: 56px;
        height: 56px;
    }

    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }

    .whatsapp-text {
        display: none !important;
    }

    .preview {
        padding: 2.5rem 0;
    }

    .preview-image-container {
        margin-top: 1.5rem;
        padding: 0.5rem;
        border-radius: 16px;
    }

    .preview-image {
        border-radius: 10px;
        max-height: 300px;
    }

    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .toast {
        min-width: auto;
        padding: 0.875rem 1rem;
    }
}