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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: min(1200px, 92vw);
    margin: 0 auto;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 11, 20, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(34, 211, 238, 0.15);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 0;
    gap: 1rem;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-text);
}

.logo-wrap img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.nav-desktop {
    display: none;
    gap: 1.25rem;
    align-items: center;
}

.nav-desktop a {
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

.nav-desktop a:hover {
    color: var(--color-secondary);
}

.btn-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(34, 211, 238, 0.5);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #6b21a8);
    color: #fff;
    border: none;
    box-shadow: 0 0 24px rgba(168, 85, 247, 0.45);
}

.btn-primary:hover {
    box-shadow: 0 0 32px rgba(168, 85, 247, 0.6);
}

.menu-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.1rem;
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem 0 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-mobile.open {
    display: flex;
}

.nav-mobile a {
    color: var(--color-muted);
    font-weight: 600;
    font-size: 0.85rem;
}

/* Hero */
.hero {
    padding: 7rem 0 4rem;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 30%, rgba(168, 85, 247, 0.18), transparent 60%);
    pointer-events: none;
}

.hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    line-height: 1.25;
    margin-bottom: 1rem;
    position: relative;
}

.hero .subtitle {
    color: var(--color-muted);
    max-width: 640px;
    margin: 0 auto 2rem;
    font-size: 0.95rem;
}

.hero-visual {
    margin: 2rem auto;
    max-width: 520px;
    position: relative;
}

.hero-visual img {
    width: 100%;
    border-radius: 16px;
    filter: drop-shadow(0 0 40px rgba(168, 85, 247, 0.4));
}

.hero-badge {
    display: inline-block;
    margin-top: 1rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    color: var(--color-secondary);
    letter-spacing: 0.08em;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    text-align: center;
    font-size: clamp(1.2rem, 3vw, 1.75rem);
    margin-bottom: 2.5rem;
    letter-spacing: 0.06em;
}

/* Cards grid */
.cards-grid {
    display: grid;
    gap: 1.25rem;
}

.cards-grid.cols-3 {
    grid-template-columns: 1fr;
}

.cards-grid.cols-5 {
    grid-template-columns: 1fr;
}

.glass-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 1.5rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.glass-card:hover {
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 0 24px rgba(168, 85, 247, 0.15);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(168, 85, 247, 0.15);
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.glass-card h3 {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
}

.glass-card p {
    color: var(--color-muted);
    font-size: 0.88rem;
}

.step-num {
    font-family: 'Orbitron', sans-serif;
    color: var(--color-secondary);
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
}

/* AI Services */
.ai-service {
    display: grid;
    gap: 1.5rem;
    align-items: center;
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.ai-service:nth-child(even) .ai-service-text {
    order: 2;
}

.ai-service-num {
    font-family: 'Orbitron', sans-serif;
    color: var(--color-primary);
    font-size: 2rem;
    opacity: 0.5;
}

.ai-service h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.ai-service p {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.ai-mockup {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(34, 211, 238, 0.2);
    min-height: 180px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(34, 211, 238, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-mockup img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ai-mockup .placeholder-icon {
    font-size: 3rem;
    color: var(--color-secondary);
    opacity: 0.5;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
}

.portfolio-card {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}

.portfolio-thumb {
    height: 160px;
    background: linear-gradient(135deg, #1e1b4b, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-body {
    padding: 1rem 1.25rem;
}

.portfolio-body .tag {
    font-size: 0.7rem;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.portfolio-body h3 {
    font-size: 0.95rem;
    margin-top: 0.35rem;
}

/* Testimonials */
.testimonials-wrap {
    position: relative;
}

.testimonials-track {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
}

.testimonials-track::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    flex: 0 0 min(300px, 85vw);
    scroll-snap-align: center;
    text-align: center;
    padding: 2rem 1.5rem;
}

.testimonial-card img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    border: 2px solid var(--color-primary);
}

.testimonial-card .quote {
    color: var(--color-muted);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial-card .name {
    font-weight: 700;
    font-size: 0.9rem;
}

.testimonial-card .role {
    color: var(--color-secondary);
    font-size: 0.8rem;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.testimonial-nav button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
}

/* CTA Final */
.cta-final {
    text-align: center;
    padding: 4rem 1rem;
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.12), transparent 70%);
}

.cta-final h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.1rem, 3vw, 1.6rem);
    margin-bottom: 1.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

.footer-col h4 {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
}

.footer-col p,
.footer-col a {
    display: block;
    color: var(--color-muted);
    font-size: 0.88rem;
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.35rem;
    color: var(--color-text);
}

.copyright {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.8rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--color-primary);
    color: #fff;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.5);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Orçamento page */
.budget-page {
    padding: 6rem 0 3rem;
    min-height: 100vh;
}

.budget-wizard {
    max-width: 720px;
    margin: 0 auto;
}

.wizard-steps {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.wizard-step-dot {
    flex: 1;
    min-width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

.wizard-step-dot.active {
    background: var(--color-primary);
}

.budget-form .form-group {
    margin-bottom: 1.25rem;
}

.budget-form label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.budget-form input,
.budget-form textarea,
.budget-form select {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(0, 0, 0, 0.3);
    color: var(--color-text);
    font-family: inherit;
}

.service-check {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    cursor: pointer;
}

.service-check:has(input:checked) {
    border-color: var(--color-primary);
    background: rgba(168, 85, 247, 0.08);
}

.estimate-box {
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid var(--color-secondary);
    border-radius: 14px;
    padding: 1.5rem;
    text-align: center;
    margin: 1.5rem 0;
}

.estimate-box .total {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: var(--color-secondary);
}

.wizard-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.wizard-actions .btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-text);
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
}

/* Desktop */
@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .cards-grid.cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .cards-grid.cols-5 {
        grid-template-columns: repeat(3, 1fr);
    }

    .ai-service {
        grid-template-columns: 1fr 1fr;
    }

    .ai-service:nth-child(even) .ai-service-text {
        order: 0;
    }

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

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .cards-grid.cols-5 {
        grid-template-columns: repeat(5, 1fr);
    }

    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .testimonials-track {
        justify-content: center;
        overflow: visible;
        flex-wrap: wrap;
    }

    .testimonial-card {
        flex: 1;
        min-width: 280px;
        max-width: 360px;
    }
}