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

:root {
    --primary-dark: #1e3a5f;
    --primary-blue: #2c5aa0;
    --accent-green: #4a9d6f;
    --light-green: #7bc76f;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
}

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

/* HEADER */
.header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-image {
    height: 45px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

/* BUTTONS */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--light-green) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 157, 111, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
    width: 100%;
    max-width: 400px;
}

.btn-copy {
    padding: 10px 20px;
    font-size: 14px;
}

/* LOGO DESTAQUE */
.logo-highlight {
    padding: 0;
    text-align: center;
    color: white;
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.logo-highlight-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 1;
}

.logo-highlight-content {
    position: relative;
    z-index: 2;
}

.logo-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    z-index: 3;
}

.logo-large {
    margin-bottom: 30px;
    position: relative;
}

.logo-big {
    width: 150px;
    height: 150px;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.2));
    transition: transform 0.3s ease;
}

.logo-big:hover {
    transform: scale(1.05);
}

.brand-title {
    font-size: 48px;
    font-weight: bold;
    margin: 20px 0 10px;
    color: white;
    letter-spacing: 2px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.brand-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.95);
    margin: 0;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.4);
}

/* HERO SECTION */
.hero {
    padding: 60px 20px;
    background: var(--bg-light);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-content h1 .highlight {
    color: var(--accent-green);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-weight: 600;
}

.hero-description {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.hero-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 32px;
}

.hero-image-placeholder {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-green) 100%);
    border-radius: 15px;
    padding: 60px 20px;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.cow-illustration {
    font-size: 120px;
    margin-bottom: 20px;
}

/* HOW IT WORKS */
.how-it-works {
    padding: 60px 20px;
    background: white;
}

.how-it-works h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-blue);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

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

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--light-green) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 15px;
}

.step-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-blue);
}

.step-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* FEATURES */
.features {
    padding: 60px 20px;
    background: var(--bg-light);
}

.features h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-blue);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.feature-card .feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-blue);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* EXAMPLE SECTION */
.example {
    padding: 60px 20px;
    background: white;
}

.example h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-blue);
}

.example-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.example-image {
    display: flex;
    justify-content: center;
}

.analysis-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    overflow: hidden;
    border-left: 5px solid #4a9d6f;
    max-width: 400px;
}

.analysis-header {
    background: linear-gradient(135deg, #2c5aa0 0%, #4a9d6f 100%);
    color: white;
    padding: 20px;
    text-align: center;
}

.analysis-header h4 {
    margin: 0;
    font-size: 18px;
    font-weight: bold;
}

.analysis-content {
    padding: 30px 20px;
}

.analysis-main {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 2px solid #e0e0e0;
}

.weight-display {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.weight-label {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.analysis-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    padding: 10px 0;
}

.detail-label {
    font-weight: 600;
    color: #2c5aa0;
}

.detail-value {
    color: #333;
    font-weight: 500;
}

.example-text h3 {
    font-size: 28px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.example-text p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.example-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.example-list li {
    font-size: 16px;
    color: var(--text-dark);
    padding-left: 0;
}

/* PRICING */
.pricing {
    padding: 60px 20px;
    background: var(--bg-light);
}

.pricing h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-blue);
}

.pricing-card-single {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.pricing-card-single h3 {
    font-size: 24px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.price {
    font-size: 48px;
    font-weight: bold;
    color: var(--accent-green);
    margin: 20px 0 5px;
}

.price-period {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.price-description {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pricing-features li {
    font-size: 15px;
    color: var(--text-dark);
    padding-left: 0;
}

/* TESTIMONIALS */
.testimonials {
    padding: 60px 20px;
    background: white;
}

.testimonials h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-blue);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.testimonial-card p {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-style: italic;
}

.testimonial-author {
    font-size: 14px;
    color: var(--accent-green);
    font-weight: bold;
    margin: 0;
}

/* CHECKOUT */
.checkout {
    padding: 60px 20px;
    background: var(--bg-light);
}

.checkout h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-blue);
}

.checkout-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.checkout-info h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.checkout-price {
    font-size: 48px;
    font-weight: bold;
    color: var(--light-green);
    margin: 10px 0;
}

.checkout-period {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.checkout-description {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.checkout-features {
    list-style: none;
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkout-features li {
    font-size: 15px;
    color: var(--text-dark);
}

.checkout-form h3 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--primary-blue);
}

.checkout-subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.checkout-note {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 20px;
}

.payment-benefits {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 30px 0;
}

.benefit-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.benefit-icon {
    font-size: 24px;
    min-width: 30px;
}

.benefit-item p {
    margin: 0;
    font-size: 14px;
}

/* PIX MODAL */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #999;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.close-btn:hover {
    color: #000;
}

.modal-content h2 {
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 24px;
}

.modal-subtitle {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 14px;
}

.pix-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 30px;
}

.qr-code {
    text-align: center;
}

.qr-code img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.pix-info {
    text-align: center;
}

.pix-label {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.pix-key-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.pix-key {
    flex: 1;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 12px;
    font-family: monospace;
    background: var(--bg-light);
}

.pix-note {
    font-size: 13px;
    color: var(--text-light);
    text-align: center;
    margin-top: 20px;
}

/* WHATSAPP BUTTON */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 99;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

/* DESTAQUE DE PRECISÃO */
.featured-precision {
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f6 100%);
    border: 2px solid var(--accent-green) !important;
    box-shadow: 0 8px 25px rgba(74, 157, 111, 0.2);
}

.featured-precision:hover {
    border-color: var(--accent-green) !important;
    box-shadow: 0 12px 35px rgba(74, 157, 111, 0.3);
}

.featured-precision h3 {
    color: var(--accent-green);
    font-weight: bold;
}

.featured-precision p {
    color: var(--primary-blue);
    font-weight: 600;
}

.precision-highlight {
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--light-green) 100%);
    color: white !important;
    padding: 12px 15px !important;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
}

/* MOBILE OPTIMIZATIONS */
@media (max-width: 1024px) {
    .logo-highlight {
        min-height: 380px;
        background-position: center right;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

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

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

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

    .checkout-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .example-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 12px 0;
    }

    .header .container {
        flex-wrap: wrap;
        gap: 10px;
    }

    .btn-primary {
        padding: 10px 20px;
        font-size: 14px;
    }

    .logo-highlight {
        min-height: 320px;
        padding: 0;
        background-position: center right;
    }

    .logo-big {
        width: 120px;
        height: 120px;
    }

    .brand-title {
        font-size: 32px;
    }

    .brand-subtitle {
        font-size: 14px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .hero-features {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .hero-feature {
        flex-direction: row;
        justify-content: flex-start;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

    .example-content {
        gap: 30px;
    }

    .example-text h3 {
        font-size: 22px;
    }

    .pricing-card-single {
        padding: 30px 20px;
    }

    .price {
        font-size: 36px;
    }

    .weight-display {
        font-size: 42px;
    }

    .detail-row {
        font-size: 13px;
        padding: 8px 0;
    }

    .checkout-content {
        gap: 30px;
    }

    .checkout-info h3,
    .checkout-form h3 {
        font-size: 22px;
    }

    .btn-large {
        max-width: 100%;
    }

    .payment-benefits {
        gap: 12px;
    }

    .benefit-item {
        gap: 12px;
        padding: 12px;
    }

    .benefit-item p {
        font-size: 13px;
    }

    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo-highlight {
        padding: 0;
        min-height: 240px;
        background-position: right center;
    }

    .logo-big {
        width: 100px;
        height: 100px;
    }

    .brand-title {
        font-size: 24px;
        letter-spacing: 1px;
    }

    .brand-subtitle {
        font-size: 13px;
    }

    .hero {
        padding: 40px 15px;
    }

    .hero-content h1 {
        font-size: 22px;
    }

    .hero-content h1 .highlight {
        display: block;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .hero-description {
        font-size: 14px;
    }

    .hero-features {
        gap: 10px;
    }

    .hero-feature {
        padding: 10px;
        font-size: 13px;
    }

    .feature-icon {
        font-size: 24px;
    }

    .cow-illustration {
        font-size: 80px;
        margin-bottom: 15px;
    }

    .how-it-works,
    .features,
    .example,
    .pricing,
    .testimonials,
    .checkout {
        padding: 40px 15px;
    }

    .how-it-works h2,
    .features h2,
    .example h2,
    .pricing h2,
    .testimonials h2,
    .checkout h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .step-card {
        padding: 20px 15px;
    }

    .step-card h3 {
        font-size: 16px;
    }

    .step-card p {
        font-size: 13px;
    }

    .feature-card {
        padding: 20px 15px;
    }

    .feature-card .feature-icon {
        font-size: 36px;
    }

    .feature-card h3 {
        font-size: 16px;
    }

    .feature-card p {
        font-size: 13px;
    }

    .analysis-card {
        max-width: 100%;
    }

    .analysis-content {
        padding: 20px 15px;
    }

    .weight-display {
        font-size: 36px;
    }

    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        font-size: 12px;
    }

    .example-text h3 {
        font-size: 18px;
    }

    .example-text p {
        font-size: 14px;
    }

    .example-list li {
        font-size: 14px;
    }

    .pricing-card-single {
        padding: 20px 15px;
    }

    .pricing-card-single h3 {
        font-size: 20px;
    }

    .price {
        font-size: 32px;
    }

    .price-period,
    .price-description {
        font-size: 13px;
    }

    .pricing-features li {
        font-size: 13px;
    }

    .testimonial-card {
        padding: 20px 15px;
    }

    .testimonial-card p {
        font-size: 14px;
    }

    .testimonial-author {
        font-size: 12px;
    }

    .checkout-info h3,
    .checkout-form h3 {
        font-size: 18px;
    }

    .checkout-price {
        font-size: 36px;
    }

    .checkout-period,
    .checkout-description,
    .checkout-subtitle {
        font-size: 14px;
    }

    .checkout-features li {
        font-size: 13px;
    }

    .checkout-note {
        font-size: 12px;
    }

    .modal-content {
        padding: 30px 20px;
        width: 95%;
    }

    .modal-content h2 {
        font-size: 20px;
    }

    .modal-subtitle {
        font-size: 13px;
    }

    .pix-key {
        font-size: 11px;
        padding: 10px;
    }

    .pix-note {
        font-size: 12px;
    }

    .btn-copy {
        padding: 8px 15px;
        font-size: 12px;
    }

    .whatsapp-btn {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }

    .whatsapp-btn svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 360px) {
    .brand-title {
        font-size: 20px;
    }

    .hero-content h1 {
        font-size: 18px;
    }

    .btn-large {
        padding: 12px 20px;
        font-size: 14px;
    }
}