:root {
    --primary-blue: #0099ff;
    --dark-blue: #001a4d;
    --light-blue: #00d4ff;
    --white: #ffffff;
    --dark-gray: #1a1a1a;
    --light-gray: #f5f5f5;
    --text-dark: #333333;
    --text-light: #666666;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #5b76ad94;
    border: 1px solid #c0d0f094;
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    animation: slideDown 0.6s ease-out;

}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;

}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-blue);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    height: 3rem;
    width: auto;
    display: block;
    border-radius: 30px;
}

.logo-text {
    font-size: 1.8rem; /* ou o tamanho que você já usa */
    line-height: 1;
}

.navbar {
    width: 100%;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

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

}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    height: 1.8rem;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 1.8rem;
    line-height: 1;
}

.nav-menu {
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    margin-left: 40px;
}

/* Botão hamburguer */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    border-radius: 2px;
    background: #fff; /* troque se seu menu for escuro/claro */
    transition: 0.3s ease;
}

/* Mobile */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
        position: absolute;
        top: calc(100% + 12px);
        right: 0;
        width: 220px;
        padding: 1rem;
        border-radius: 12px;
        background: rgba(15, 15, 15, 0.98);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        z-index: 1000;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        width: 100%;
    }
}

.logo-text {
    background: rgb(66, 47, 93);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    gap: 4rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--primary-blue);
}

/* ========== Botões ========== */
.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 153, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 153, 255, 0.4);
}

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

/* ========== Estrutura da Pag ========== */
.page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.page-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* ========== HERO SECTION ========== */
.page-1 {
    background: linear-gradient(135deg, #3a3eff 0%, #0c113b 100%);
    position: relative;
}

.hero-gradient {
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: url(./assets/vscode.avif);
    background-size: cover;
    background-position: center;
    border-radius: 50%;
    opacity: 0.9;
    animation: float 6s ease-in-out infinite;
    z-index: 1;
}
.hero-gradient-2 {
    position: absolute;
    top: 0;
    left: 1px;
    width: 600px;
    height: 600px;
    background: url(./assets/17d6f6df-cdc3-4505-8549-6aabf8a2246f.png);
    background-size: cover;
    background-position: center;
    border-radius: 50%;
    opacity: 0.9;
    animation: float 8s ease-in-out infinite;
    z-index: 1;
}



@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-left {
    position: relative;
    z-index: 2;
}

.hero-text-container {
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 0.9rem;
    color: var(--white);
    margin-bottom: 2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-right {
    position: relative;
    z-index: 1;
    animation: slideInRight 1s ease-out 0.2s both;
}

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

.device-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.device-container img {
    width: 100%;
    height: auto;
    border-radius: 40px;
    filter: drop-shadow(0 20px 40px rgba(0, 153, 255, 0.2));
    animation: deviceBounce 3s ease-in-out infinite;
}

@keyframes deviceBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ========== VALUE SECTION ========== */
.value-section {
    background: var(--dark-blue);
    padding: 4rem 2rem;
    position: relative;
}

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

.value-title {
    font-size: 2.5rem;
    color: var(--white);
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.3;
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.value-card {
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.1), rgba(0, 212, 255, 0.05));
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 153, 255, 0.2);
    transition: var(--transition);
    animation: cardSlideIn 0.8s ease-out;
}

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

.value-card:nth-child(1) {
    animation-delay: 0s;
}

.value-card:nth-child(2) {
    animation-delay: 0.2s;
}

.value-card:nth-child(3) {
    animation-delay: 0.4s;
}

.value-card:hover {
    transform: translateY(-5px);
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.15), rgba(0, 212, 255, 0.1));
    box-shadow: 0 10px 30px rgba(0, 153, 255, 0.15);
}

.value-card h3 {
    font-size: 1.1rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.value-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ========== PAGE 2: SERVIÇOS ========== */
.page-2 {
    background: linear-gradient(180deg, var(--dark-blue) 0%, #003366 100%);
    color: var(--white);
}

.services-left {
    animation: fadeInLeft 1s ease-out;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.services-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.services-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    grid-template-columns: auto 1fr;
}

.service-btn {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white);
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.service-btn:hover,
.service-btn.active {
    transform: translateX(10px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.4);
}

.services-right {
    animation: fadeInRight 1s ease-out 0.2s both;
}

.services-right img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

/* ========== PACOTES SECTION ========== */
.packages-section {
    background: linear-gradient(180deg, #003366 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    position: relative;
}

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

.packages-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
}

.packages-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

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

.package-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 2rem;
    border-radius: 15px;
    transition: var(--transition);
    animation: packageSlide 0.8s ease-out;
}

@keyframes packageSlide {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.package-card:nth-child(1) {
    animation-delay: 0s;
}

.package-card:nth-child(2) {
    animation-delay: 0.2s;
}

.package-card:nth-child(3) {
    animation-delay: 0.4s;
}

.package-card:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.6);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.2);
}

.package-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--light-blue);
    letter-spacing: 1px;
}

.package-card ul {
    list-style: none;
}

.package-card li {
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* ========== PAGE 3: TESTEMUNHAS ========== */
.page-3 {
    background: linear-gradient(180deg, var(--dark-blue) 0%, #001a4d 100%);
    color: var(--white);
    flex-direction: column;
    padding: 4rem 2rem;
}

.testimonials-container {
    max-width: 1200px;
    width: 100%;
    margin-bottom: 4rem;
}

.testimonials-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--light-blue), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    padding: 2rem;
    border-radius: 15px;
    transition: var(--transition);
    animation: testimonialFade 0.8s ease-out;
}

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

.testimonial-card:nth-child(1) {
    animation-delay: 0s;
}

.testimonial-card:nth-child(2) {
    animation-delay: 0.2s;
}

.testimonial-card:nth-child(3) {
    animation-delay: 0.4s;
}

.testimonial-card:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: rgba(0, 212, 255, 0.5);
    transform: translateY(-5px);
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
}

.testimonial-author {
    font-size: 0.85rem;
    color: var(--light-blue);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* ========== CONTATO SECTION ========== */
.cta-section {
    position: relative;
    width: 100%;
    max-width: 1200px;
    text-align: center;
    margin-top: 4rem;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 153, 255, 0.05));
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    animation: ctaPulse 2s ease-in-out infinite;
}

@keyframes ctaPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.2);
    }
}

.cta-gradient-shape {
    position: absolute;
    left: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    height: 200px;
    background: url('https://private-us-east-1.manuscdn.com/sessionFile/OACsPDWiWjm5PvRvHiGZvn/sandbox/4uVQdKVqdnk6nnY7oeFLBB-img-5_1772134082000_na1fn_Y29udGFjdC1ncmFkaWVudC1zaGFwZQ.jpg?x-oss-process=image/resize,w_1920,h_1920/format,webp/quality,q_80&Expires=1798761600&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9wcml2YXRlLXVzLWVhc3QtMS5tYW51c2Nkbi5jb20vc2Vzc2lvbkZpbGUvT0FDc1BEV2lXam01UHZSdkhpR1p2bi9zYW5kYm94LzR1VlFkS1ZxZG5rNm5uWTdvZUZMQkItaW1nLTVfMTc3MjEzNDA4MjAwMF9uYTFmbl9ZMjl1ZEdGamRDMW5jbUZrYVdWdWRDMXphR0Z3WlEuanBnP3gtb3NzLXByb2Nlc3M9aW1hZ2UvcmVzaXplLHdfMTkyMCxoXzE5MjAvZm9ybWF0LHdlYnAvcXVhbGl0eSxxXzgwIiwiQ29uZGl0aW9uIjp7IkRhdGVMZXNzVGhhbiI6eyJBV1M6RXBvY2hUaW1lIjoxNzk4NzYxNjAwfX19XX0_&Key-Pair-Id=K2HSFNDJXOU9YS&Signature=XNRaYQmTok0jkDa15U5sNCjhUZinqc8jjfIFeMilSdbwIgDLDyWb4q4qRVJHUAyLmMIdgHVygLarfGO3EwCLFi9fBA1D8O30hpnZO4TjzQ7zVF3jS5dnsM-FO5MhEgD7723Drf6fJNL74hOE8rz7bVZUQVRfjC8HMjzgkbaqetwo8wy9WsnZ9l9IdW4Ku0s7ID7aRsfnJHknMHgicwksPFt5gXZot9gVGySHv510gpo2qY8seZZuQDd3Sim9JK8e3ysHVDit871AVxcxoP40gqqMxlOlbxzXMwhfbAnlxvia1wPmh9MYVtY07kdD4Pl0MsK-7NI~fQNAOontIMFf9Q__');
    background-size: cover;
    background-position: center;
    opacity: 0.6;
    border-radius: 50%;
    animation: shapeRotate 20s linear infinite;
}

@keyframes shapeRotate {
    0% {
        transform: translateY(-50%) rotate(0deg);
    }
    100% {
        transform: translateY(-50%) rotate(360deg);
    }
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

/* ========== CONTATOS ========== */
.page-4 {
    background: linear-gradient(135deg, #001a4d 0%, var(--dark-blue) 100%);
    color: var(--white);
    position: relative;
    min-height: 50vh;
}

.contact-container {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 2;
    animation: contactFadeIn 1s ease-out;
}

@keyframes contactFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.contact-shape {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
    animation: shapePulse 4s ease-in-out infinite;
}

@keyframes shapePulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.contact-title {
    font-size: 3rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.contact-address {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.contact-email {
    font-size: 1.1rem;
    color: var(--light-blue);
    font-weight: 600;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--dark-blue);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

/* ========== DESIGN RESPONSIVO ========== */
@media (max-width: 768px) {
    .page-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-gradient {
        width: 300px;
        height: 300px;
        opacity: 0.5;
        margin-top: 120%;
    }

    .hero-gradient-2 {
        width: 300px;
        height: 300px;
        opacity: 0.5;
        margin-top: 30%;
    }

    .hero-gradient-3 {
        display: none;
    }

    .nav-menu {
        gap: 4rem;
        font-size: 0.9rem;
    }

    .services-title,
    .packages-title,
    .testimonials-title,
    .cta-title {
        font-size: 1.8rem;
    }

    .value-cards,
    .packages-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .services-buttons {
        grid-template-columns: 1fr;
    }

    .service-btn {
        flex: 1;
        min-width: 150px;
    }

    .cta-gradient-shape {
        display: none;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .nav-logo {
        font-size: 1.4rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.85rem;
    }

    .value-title {
        font-size: 1.8rem;
    }

    .testimonial-text {
        font-size: 0.9rem;
    }
}
.testimonial-card a {
    color: var(--light-blue);
}

/* ========== PLAYGROUND ========== */
.playground-section {
    background: linear-gradient(180deg, #001a4d 0%, #002b66 100%);
    color: var(--white);
    padding: 5rem 2rem;
    position: relative;
}

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

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

.playground-tag {
    color: var(--light-blue);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.playground-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.playground-subtitle {
    color: rgba(255,255,255,0.75);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.playground-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.play-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(0,212,255,0.18);
    border-radius: 20px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.play-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0,212,255,0.45);
    box-shadow: 0 12px 30px rgba(0, 153, 255, 0.12);
}

.play-card h3 {
    color: var(--light-blue);
    margin-bottom: 0.6rem;
    font-size: 1.1rem;
}

.play-card p {
    color: rgba(255,255,255,0.78);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.play-demo {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 1rem;
    min-height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Botões */
.play-buttons {
    gap: 1rem;
    flex-wrap: wrap;
}

.micro-btn {
    border: none;
    border-radius: 999px;
    padding: 0.85rem 1.4rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
}

.micro-btn.fill {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white);
    box-shadow: 0 8px 20px rgba(0,153,255,0.25);
}

.micro-btn.fill:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 14px 28px rgba(0,153,255,0.35);
}

.micro-btn.ghost {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.22);
}

.micro-btn.ghost:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-3px);
}

/* Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: transparent;
    border: none;
    color: var(--white);
    cursor: pointer;
}

.toggle-track {
    width: 64px;
    height: 34px;
    background: rgba(255,255,255,0.15);
    border-radius: 999px;
    padding: 4px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.toggle-thumb {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--white), #dcefff);
    transition: transform 0.3s ease;
}

.theme-toggle.active .toggle-track {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
}

.theme-toggle.active .toggle-thumb {
    transform: translateX(30px);
}

/* Accordion */
.accordion-group {
    width: 100%;
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
}

.accordion-item {
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255,255,255,0.04);
}

.accordion-trigger {
    width: 100%;
    background: transparent;
    color: var(--white);
    border: none;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    text-align: left;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1rem;
}

.accordion-item.active .accordion-content {
    max-height: 120px;
    padding: 0 1rem 1rem;
}

.accordion-item.active .accordion-trigger span {
    transform: rotate(45deg);
}

.accordion-trigger span {
    transition: transform 0.3s ease;
}

/* Tabs */
.tabs-demo {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
}

.tabs-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    border: 1px solid rgba(255,255,255,0.14);
    background: transparent;
    color: var(--white);
    padding: 0.7rem 1rem;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    border-color: transparent;
}

.tabs-content {
    background: rgba(255,255,255,0.05);
    border-radius: 14px;
    padding: 1rem;
    min-height: 80px;
    color: rgba(255,255,255,0.85);
    line-height: 1.5;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeTab 0.3s ease;
}

@keyframes fadeTab {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tilt card */
.tilt-card {
    width: 100%;
    max-width: 260px;
    padding: 1.4rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(0,153,255,0.20), rgba(255,255,255,0.06));
    border: 1px solid rgba(255,255,255,0.12);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
    transform-style: preserve-3d;
    box-shadow: 0 12px 24px rgba(0,0,0,0.18);
}

.tilt-card h4 {
    margin: 0.8rem 0 0.5rem;
    color: var(--white);
}

.tilt-card p {
    margin: 0;
    font-size: 0.9rem;
}

.tilt-badge {
    display: inline-block;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.10);
    color: var(--light-blue);
    font-size: 0.8rem;
    font-weight: 700;
}

/* Choice buttons */
.choice-group {
    gap: 0.7rem;
    flex-wrap: wrap;
}

.choice-btn {
    padding: 0.75rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.14);
    background: transparent;
    color: var(--white);
    cursor: pointer;
    transition: all 0.25s ease;
}

.choice-btn.active,
.choice-btn:hover {
    background: rgba(0,212,255,0.16);
    border-color: rgba(0,212,255,0.45);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .playground-title {
        font-size: 2rem;
    }

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

/* ========== UX CHALLENGE ========== */
.ux-challenge-section {
    background: linear-gradient(180deg, #002b66 0%, #001a4d 100%);
    color: var(--white);
    padding: 5rem 2rem;
}

.ux-challenge-container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.ux-tag {
    color: var(--light-blue);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.ux-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.ux-subtitle {
    max-width: 760px;
    margin: 0 auto;
    color: rgba(255,255,255,0.75);
    line-height: 1.6;
}

.ux-challenge-stage {
    position: relative;
    max-width: 900px;
    margin: 0 auto 2rem;
    min-height: 430px;
}

.ux-screen {
    position: absolute;
    inset: 0;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.10);
    backdrop-filter: blur(12px);
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(16px) scale(0.98);
    pointer-events: none;
}

.ux-screen.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.ux-browser-bar {
    height: 48px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 1rem;
    background: rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.ux-browser-bar span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.28);
}

/* BAD UI */
.bad-ui {
    background:
      linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
}

.ux-bad-content {
    padding: 2rem;
}

.ux-bad-kicker {
    font-size: 0.72rem;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 1rem;
}

.ux-bad-title {
    font-size: 1.55rem;
    line-height: 1.35;
    color: rgba(255,255,255,0.88);
    margin-bottom: 1rem;
    max-width: 760px;
}

.ux-bad-text {
    font-size: 0.98rem;
    line-height: 1.9;
    color: rgba(255,255,255,0.62);
    max-width: 780px;
    margin-bottom: 2rem;
}

.ux-bad-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.ux-bad-btn {
    border: none;
    border-radius: 999px;
    padding: 0.9rem 1.3rem;
    cursor: pointer;
    transition: 0.3s ease;
}

.ux-bad-btn.weak {
    background: rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.72);
}

.ux-bad-btn.weaker {
    background: transparent;
    color: rgba(255,255,255,0.45);
    border: 1px solid rgba(255,255,255,0.12);
}

.ux-noise {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.ux-noise span {
    font-size: 0.8rem;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.55);
}

/* GOOD UI */
.good-ui {
    background:
      linear-gradient(135deg, rgba(0,153,255,0.18), rgba(255,255,255,0.05));
    box-shadow: 0 20px 40px rgba(0, 153, 255, 0.12);
}

.ux-good-content {
    padding: 2.2rem;
    display: grid;
    gap: 1.25rem;
}

.ux-good-kicker {
    font-size: 0.78rem;
    letter-spacing: 2px;
    font-weight: 700;
    color: var(--light-blue);
}

.ux-good-title {
    font-size: 2.2rem;
    line-height: 1.2;
    max-width: 680px;
    color: var(--white);
}

.ux-good-text {
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 650px;
    color: rgba(255,255,255,0.82);
}

.ux-good-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.ux-good-btn {
    padding: 0.95rem 1.4rem;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.25s ease;
}

.ux-good-btn.primary {
    border: none;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    box-shadow: 0 10px 24px rgba(0,153,255,0.25);
}

.ux-good-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 28px rgba(0,153,255,0.32);
}

.ux-good-btn.secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.18);
}

.ux-good-btn.secondary:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-3px);
}

.ux-good-points {
    list-style: none;
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    padding: 0;
    margin: 0.5rem 0 0;
}

.ux-good-points li {
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.10);
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
}

.ux-challenge-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.ux-reset-btn {
    padding: 0.95rem 1.3rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.16);
    background: transparent;
    color: var(--white);
    cursor: pointer;
    transition: 0.25s ease;
}

.ux-reset-btn:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .ux-title {
        font-size: 2rem;
    }

    .ux-good-title {
        font-size: 1.6rem;
    }

    .ux-challenge-stage {
        min-height: 520px;
    }
}