/* ============================================
   WELCOME.CSS - Estilos Específicos da Home
   ============================================ */

/* ---------- Preloader ---------- */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s, visibility 0.6s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-ring {
    display: inline-block;
    position: relative;
    width: clamp(3rem, 6vw, 4rem);
    height: clamp(3rem, 6vw, 4rem);
}

.loader-ring div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: clamp(2.4rem, 5vw, 3.2rem);
    height: clamp(2.4rem, 5vw, 3.2rem);
    margin: clamp(0.3rem, 0.6vw, 0.4rem);
    border: 4px solid var(--primary);
    border-radius: 50%;
    animation: loader-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: var(--primary) transparent transparent transparent;
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding: clamp(4rem, 10vh, 8rem) 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--primary-light);
    color: var(--primary);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.08;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: var(--spacing-lg);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-circle {
    position: absolute;
    width: clamp(200px, 40vw, 300px);
    height: clamp(200px, 40vw, 300px);
    border-radius: 50%;
    background: var(--primary-gradient);
    opacity: 0.08;
    animation: float 4s ease-in-out infinite;
}

.hero-circle-2 {
    position: absolute;
    width: clamp(140px, 28vw, 200px);
    height: clamp(140px, 28vw, 200px);
    border-radius: 50%;
    border: 2px solid var(--primary);
    opacity: 0.12;
    animation: float 4s ease-in-out 2s infinite;
}

.floating-card {
    position: absolute;
    background: var(--bg-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    animation: float 3s ease-in-out infinite;
    white-space: nowrap;
}

.floating-card i {
    color: var(--primary);
    font-size: var(--font-size-lg);
}

.card-1 {
    top: 5%;
    right: 0;
    animation-delay: 0s;
}

.card-2 {
    bottom: 15%;
    left: 0;
    animation-delay: 1s;
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    width: 100%;
}

.hero-wave svg {
    width: 100%;
    height: auto;
    fill: var(--bg-primary);
}

/* ===== RESPONSIVIDADE HERO ===== */

/* Tablets grandes */
@media (max-width: 1024px) {
    .hero-container {
        gap: var(--spacing-xl);
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .floating-card {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .card-1 {
        top: 0;
        right: -10%;
    }

    .card-2 {
        bottom: 10%;
        left: -10%;
    }
}

/* Tablets pequenos e dispositivos médios */
@media (max-width: 768px) {
    .hero {
        padding: clamp(3rem, 8vh, 5rem) 0;
        min-height: 90vh;
        min-height: 90dvh;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-description {
        margin: 0 auto var(--spacing-lg);
        max-width: 100%;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

    .hero-visual {
        display: none;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-badge {
        margin: 0 auto var(--spacing-md);
    }
}

/* Smartphones */
@media (max-width: 480px) {
    .hero {
        padding: clamp(2rem, 6vh, 4rem) 0;
        min-height: 80vh;
        min-height: 80dvh;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-description {
        font-size: var(--font-size-md);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .stat-item {
        align-items: center;
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }
}

/* Telas muito grandes (4K/Smart TV) */
@media (min-width: 1921px) {
    .hero {
        padding: clamp(6rem, 15vh, 10rem) 0;
    }

    .hero-illustration {
        max-width: 600px;
    }

    .hero-circle {
        width: 400px;
        height: 400px;
    }

    .hero-circle-2 {
        width: 280px;
        height: 280px;
    }

    .floating-card {
        font-size: var(--font-size-md);
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .card-1 {
        top: 10%;
        right: 5%;
    }

    .card-2 {
        bottom: 20%;
        left: 5%;
    }
}

/* ---------- About Section ---------- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.about-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.about-icon {
    width: clamp(3rem, 6vw, 4rem);
    height: clamp(3rem, 6vw, 4rem);
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-icon svg {
    width: clamp(1.5rem, 3vw, 2rem);
    height: clamp(1.5rem, 3vw, 2rem);
}

.about-card h3 {
    margin-bottom: var(--spacing-sm);
}

.about-card p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* About Responsivo */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-card {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .about-card {
        padding: var(--spacing-md);
    }
}

/* ---------- Services Section ---------- */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.service-icon {
    width: clamp(3.5rem, 7vw, 4.5rem);
    height: clamp(3.5rem, 7vw, 4.5rem);
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-full);
    background: var(--primary-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-10deg);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.service-card p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--primary);
    transition: all var(--transition-fast);
}

.service-link i {
    transition: transform var(--transition-fast);
}

.service-link:hover i {
    transform: translateX(6px);
}

/* Services Responsivo */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .service-card {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .service-card {
        padding: var(--spacing-md);
    }
}

/* ---------- Clients Section ---------- */
.clients-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.clients-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.clients-text .btn-outline {
    margin-top: var(--spacing-md);
}

.clients-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
}

.stat-circle {
    position: relative;
    width: clamp(100px, 20vw, 120px);
    height: clamp(100px, 20vw, 120px);
}

.stat-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.stat-circle-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-circle-content .stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--primary);
}

.stat-circle-content span:last-child {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Clients Responsivo */
@media (max-width: 768px) {
    .clients-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .clients-stats {
        justify-content: center;
        gap: var(--spacing-xl);
    }

    .stat-circle {
        width: 100px;
        height: 100px;
    }

    .stat-circle-content .stat-number {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .clients-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
}

/* ---------- Contact Section ---------- */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.contact-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.contact-item-icon {
    width: clamp(2.5rem, 5vw, 3rem);
    height: clamp(2.5rem, 5vw, 3rem);
    min-width: clamp(2.5rem, 5vw, 3rem);
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.contact-item h4 {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.contact-item a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--primary);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.contact-form .btn-primary {
    width: 100%;
    justify-content: center;
}

/* Contact Responsivo */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .contact-form {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .contact-form {
        padding: var(--spacing-md);
    }
}

/* ---------- Footer ---------- */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

.footer-logo {
    height: clamp(2rem, 4vw, 2.5rem);
    width: auto;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-social a {
    width: clamp(2.2rem, 4vw, 2.5rem);
    height: clamp(2.2rem, 4vw, 2.5rem);
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: var(--spacing-sm);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Footer Responsivo */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .footer-social {
        justify-content: center;
    }

    .footer-links ul {
        align-items: center;
    }
}

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: clamp(1rem, 3vh, 2rem);
    right: clamp(1rem, 3vw, 2rem);
    z-index: var(--z-fixed);
    width: clamp(2.5rem, 5vw, 3rem);
    height: clamp(2.5rem, 5vw, 3rem);
    border-radius: var(--radius-full);
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
    pointer-events: none;
    font-size: var(--font-size-lg);
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}