:root {
    /* Bold Aesthetic Palette */
    --accent-color: #FEAE20;
    --accent-dark: #D98C02;
    --bg-dark: #07090F;
    --bg-surface: #131722;
    --bg-overlay: rgba(7, 9, 15, 0.85);

    --text-main: #FFFFFF;
    --text-muted: #A1A8B8;
    --text-dark: #000000;

    --font-display: 'Syne', sans-serif;
    --font-sans: 'DM Sans', sans-serif;

    --transition-fast: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    line-height: 1.1;
    font-weight: 700;
}

.accent-color {
    color: var(--accent-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

.section {
    padding: 8rem 5%;
    position: relative;
}

@media(min-width: 1024px) {
    .section {
        padding: 10rem 10%;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 1.2rem 2.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    border-radius: 0;
    /* Brutalist sharp edges */
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-dark);
    box-shadow: 4px 4px 0px rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px rgba(255, 255, 255, 0.2);
    background-color: #FFB833;
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    box-shadow: 4px 4px 0px rgba(254, 174, 32, 0.2);
}

.btn-outline:hover {
    background-color: var(--accent-color);
    color: var(--text-dark);
    box-shadow: 6px 6px 0px rgba(254, 174, 32, 0.4);
    transform: translate(-2px, -2px);
}

.btn-full {
    width: 100%;
}

.btn-text {
    background: none;
    border: none;
    color: var(--accent-color);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    padding: 0;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-fast);
}

.btn-text:hover {
    gap: 0.5rem;
    color: #fff;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 0.5rem 5%;
    z-index: 100;
    background-color: var(--accent-color);
    /* Per instruction: color #FEAE20 */
    color: var(--text-dark);
    /* Dark text on orange */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition-fast);
}

@media(min-width: 1024px) {
    .header {
        padding: 0.5rem 10%;
    }
}

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

.logo-link {
    width: 110px;
    display: block;
}

.logo-link img {
    width: 100%;
    height: auto;
    /* Adjust logo if necessary, assuming logo-site is fine on orange */
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    position: relative;
    z-index: 101;
    color: var(--text-dark);
}

.nav-toggle span {
    display: block;
    width: 30px;
    height: 2px;
    background-color: currentColor;
    margin: 6px auto;
    transition: var(--transition-fast);
}

.main-nav {
    display: flex;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-item {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    position: relative;
    color: var(--text-dark);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--text-dark);
    transition: width 0.3s ease;
}

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

/* Animations Core */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--transition-smooth), transform 1s var(--transition-smooth);
}

.reveal-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.fade-in {
    opacity: 0;
    transition: opacity 1.5s ease;
}

.in-view {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

.delay-5 {
    transition-delay: 0.5s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    padding: 120px 5% 4rem 5%;
    gap: 4rem;
    position: relative;
    overflow: hidden;
}

@media(min-width: 1024px) {
    .hero {
        grid-template-columns: 1.2fr 1fr;
        padding: 150px 10% 0 10%;
    }
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-title {
    font-size: clamp(3.5rem, 8vw, 7.5rem);
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.hero-desc {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-muted);
    max-width: 500px;
    margin-bottom: 3rem;
}

.hero-images {
    position: relative;
    height: 100%;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-img-box {
    position: absolute;
}

.img-1 {
    width: 80%;
    height: 80%;
    z-index: 2;
    transform: rotate(-2deg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 20px 20px 0px rgba(254, 174, 32, 0.1);
    transition: var(--transition-smooth);
}

.img-1 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.2);
    transition: var(--transition-smooth);
}

.img-1:hover img {
    filter: grayscale(0%) contrast(1.1);
}

.img-1:hover {
    transform: rotate(0deg) scale(1.02);
}

.img-2 {
    width: 50%;
    bottom: 0;
    right: 0;
    z-index: 1;
    opacity: 0.15;
    filter: grayscale(100%);
}

.watermark-logo {
    width: 100%;
    height: auto;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media(min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 8rem;
    }
}

.section-heading {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
}

.img-tall {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 3/4;
    position: relative;
}

.img-tall img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: sepia(0.3) hue-rotate(-15deg);
}

.img-tall::after {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-color);
    z-index: -1;
}

.body-large {
    font-size: 1.4rem;
    color: var(--text-main);
    margin-bottom: 2rem;
    font-weight: 500;
}

.body-regular {
    font-size: 1.1rem;
    color: var(--text-muted);
}

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

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.course-card {
    background-color: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.card-img {
    height: 240px;
    position: relative;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    filter: grayscale(80%);
}

.course-card:hover .card-img img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, var(--bg-surface) 0%, transparent 100%);
}

.card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.course-level {
    font-family: var(--font-display);
    color: var(--accent-color);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.course-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.course-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.course-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent-color);
    z-index: 10;
}

/* CTA Section */
.cta-banner {
    background-color: var(--accent-color);
    color: var(--text-dark);
    padding: 4rem;
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    overflow: hidden;
}

@media(min-width: 1024px) {
    .cta-banner {
        grid-template-columns: 1fr 1fr 200px;
        padding: 6rem;
    }
}

.cta-banner .section-heading {
    margin: 0;
    color: var(--text-dark);
}

.cta-banner .accent-color {
    color: #fff;
    font-style: italic;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.cta-banner .btn-outline {
    border-color: var(--text-dark);
    color: var(--text-dark);
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.2);
}

.cta-banner .btn-outline:hover {
    background-color: var(--text-dark);
    color: var(--accent-color);
}

.cta-photo {
    width: 100%;
    max-width: 200px;
    border-radius: 5px;
    transform: rotate(-5deg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    padding: 3rem 5%;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom a {
    color: var(--text-main);
}

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-overlay);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    padding: 1rem;
    /* For mobile spacing */
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background-color: var(--bg-surface);
    width: 100%;
    max-width: 600px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transform: translateY(20px);
    transition: transform 0.4s ease;
    max-height: 90vh;
    overflow-y: auto;
    /* Custom scrollbar */
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-container::-webkit-scrollbar {
    width: 6px;
}

.modal-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
}

.checkout-size {
    max-width: 700px;
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10;
}

.close-modal:hover {
    color: var(--accent-color);
}

.modal-header {
    padding: 2.5rem 2.5rem 1.5rem 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--text-muted);
}

.modal-body {
    padding: 2.5rem;
}

.modal-footer {
    padding: 1.5rem 2.5rem 2.5rem 2.5rem;
}

/* Course Details Specific */
.course-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.meta-tag {
    background: rgba(254, 174, 32, 0.1);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.syllabus-list {
    list-style: none;
    margin-top: 1.5rem;
}

.syllabus-list li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.syllabus-list li::before {
    content: '→';
    color: var(--accent-color);
}

/* Form Styles */
.custom-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(254, 174, 32, 0.05);
}

.form-divider {
    text-align: center;
    position: relative;
    margin: 1rem 0;
}

.form-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
}

.form-divider span {
    position: relative;
    background-color: var(--bg-surface);
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Payment Methods */
.payment-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.payment-option input {
    display: none;
}

.payment-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-weight: 600;
    color: var(--text-muted);
}

.payment-box svg {
    color: inherit;
}

.payment-option input:checked+.payment-box {
    border-color: var(--accent-color);
    background-color: rgba(254, 174, 32, 0.05);
    color: var(--accent-color);
}

.payment-details {
    display: none;
    animation: fadeIn 0.4s ease;
}

.payment-details.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* PIX Styles */
.qr-code-box {
    text-align: center;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.qr-code-box img {
    background-color: white;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.qr-code-box p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.pix-copy {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.pix-copy code {
    color: var(--accent-color);
    font-family: monospace;
    font-size: 0.85rem;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    max-width: 80%;
}

.security-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* Success Message */
.checkout-success {
    text-align: center;
    padding: 4rem 2rem;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: var(--text-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    margin: 0 auto 2rem auto;
}

.checkout-success h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.checkout-success p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: 5rem;
    /* Subiu para não cobrir o rodapé */
    right: 2rem;
    z-index: 1000;
    background-color: #25D366;
    /* Cor WhatsApp */
    color: #fff;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: var(--transition-fast);
    padding: 0;
    text-decoration: none;
}

.floating-cta:hover {
    transform: scale(1.1) translateY(-2px);
    background-color: #128C7E;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.floating-cta svg {
    width: 34px;
    height: 34px;
    fill: currentColor;
    /* Prevent inherit scaling */
    min-width: 34px;
    min-height: 34px;
}

/* Mobile Responsive Adjustments */
@media(max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .header {
        background-color: var(--accent-color);
        color: var(--text-dark);
        padding: 0.8rem 5%;
    }

    .logo-link {
        width: 120px;
    }

    .nav-toggle {
        color: var(--text-dark);
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: var(--accent-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s ease;
        z-index: 100;
    }

    .main-nav.nav-open {
        opacity: 1;
        pointer-events: auto;
    }

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

    .nav-item {
        font-size: 1.5rem;
        color: var(--text-dark);
    }

    .form-row,
    .cc-row {
        grid-template-columns: 1fr;
    }

    .cc-metrics {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
}