:root {
    /* Color Palette */
    --primary: #f97316; /* Vibrant Orange */
    --primary-hover: #ea580c;
    --bg-dark: #0a0f18; /* Deep dark blue/black */
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: #cbd5e1;
    --navy-deep: #020617;
    
    /* Typography */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --section-padding: 100px 5%;
}

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

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

h1, h2, h3 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes glow {
    0% { box-shadow: 0 0 5px rgba(249, 115, 22, 0.2); }
    50% { box-shadow: 0 0 20px rgba(249, 115, 22, 0.4); }
    100% { box-shadow: 0 0 5px rgba(249, 115, 22, 0.2); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(249, 115, 22, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: white;
}

.btn-outline:hover {
    background: var(--bg-glass);
    border-color: var(--primary);
}

.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    z-index: 1000;
    transition: background 0.3s ease;
}

header.scrolled {
    background: rgba(10, 15, 24, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    border-bottom: 1px solid var(--border-glass);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    color: #ffffff;
}

.logo-highlight {
    color: #ffffff;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    position: relative;
    padding: 140px 5% 100px 5%;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    z-index: 2;
    max-width: 650px;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(249, 115, 22, 0.1);
    border-left: 3px solid var(--primary);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    z-index: 1;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--bg-dark) 10%, transparent 60%);
    z-index: 2;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

/* Services */
.services {
    padding: var(--section-padding);
    background: radial-gradient(circle at top right, rgba(249, 115, 22, 0.05), transparent);
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    padding: 3.5rem 2.5rem;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(249, 115, 22, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::after {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-12px);
    border-color: rgba(249, 115, 22, 0.5);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(249, 115, 22, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Methodology / MEPO */
.methodology {
    padding: var(--section-padding);
    background: linear-gradient(to bottom, var(--bg-dark), #020617);
}

.mepo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.mepo-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 30px;
    border: 1px solid var(--border-glass);
    transition: all 0.4s ease;
}

.mepo-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: scale(1.02);
}

.mepo-letter {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, var(--primary), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.8;
}

.mepo-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.mepo-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* About / Expert */
.expert {
    padding: var(--section-padding);
    background: var(--navy-deep);
}

.expert-container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.expert-img {
    flex: 1;
    position: relative;
}

.expert-img img {
    border-radius: 30px;
    filter: grayscale(20%);
}

.expert-img::after {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    border-top: 5px solid var(--primary);
    border-left: 5px solid var(--primary);
    border-radius: 20px 0 0 0;
}

.expert-info {
    flex: 1.2;
}

.expert-info h2 {
    font-size: 4rem;
    margin-bottom: 2rem;
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1;
    color: #fff;
    text-transform: uppercase;
}

.expert-info h2 span {
    display: block;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255,255,255,0.3);
}

.expert-info p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

/* CTA Footer */
.cta-footer {
    padding: var(--section-padding);
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-dark), #0f172a);
}

.cta-box {
    padding: 5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

footer {
    padding: 3rem 5%;
    border-top: 1px solid var(--border-glass);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Hero Social Proof */
.hero-social-proof {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 2.5rem;
    padding: 1.5rem 2rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    max-width: 480px;
}

.proof-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.proof-item strong {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.proof-item span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.proof-divider {
    width: 1px;
    height: 40px;
    background: var(--border-glass);
    flex-shrink: 0;
}

/* Testimonials */
.testimonials {
    padding: var(--section-padding);
    background: var(--navy-deep);
}

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

.testimonial-card {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.testimonial-card:hover {
    transform: translateY(-6px);
    border-color: rgba(249, 115, 22, 0.4);
}

.stars {
    color: #f59e0b;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.testimonial-card > p {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.7;
    flex: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-glass);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #fbbf24);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: white;
    flex-shrink: 0;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
    color: #fff;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* FAQ */
.faq {
    padding: var(--section-padding);
    background: var(--bg-dark);
}

.faq-list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item:has(.faq-question[aria-expanded="true"]) {
    border-color: rgba(249, 115, 22, 0.5);
}

.faq-question {
    width: 100%;
    background: rgba(255,255,255,0.03);
    border: none;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    padding: 1.4rem 1.8rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: background 0.3s ease;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 300;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"]::after {
    transform: rotate(45deg);
}

.faq-question:hover {
    background: rgba(255,255,255,0.06);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-answer.open {
    max-height: 200px;
    padding: 0 1.8rem 1.4rem;
}

.faq-answer p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* CTA Guarantee */
.cta-guarantee {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.cta-guarantee i {
    color: #22c55e;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: #25d366;
    color: white;
    padding: 0.85rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    animation: waPulse 2.5s infinite;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float i {
    font-size: 1.3rem;
}

.whatsapp-float:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    color: white;
}

@keyframes waPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* === Multi-step Form / Diagnóstico Premium === */
.form-page {
    background: radial-gradient(circle at top right, #0f172a, #020617);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow-x: hidden;
    justify-content: center;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 15, 24, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.form-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(to right, var(--primary), #fbbf24);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2001;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    width: 90%;
    padding: 4rem 0;
    position: relative;
    z-index: 10;
}

.step {
    display: none !important; 
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.step.active {
    display: block !important;
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.step-number::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(249, 115, 22, 0.2);
}

.step h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 2.5rem;
    color: #fff;
    line-height: 1.2;
    font-weight: 700;
}

.input-group {
    margin-bottom: 3rem;
}

.input-group input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(255,255,255,0.1);
    color: #fff;
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    padding: 1rem 0;
    font-family: var(--font-sans);
    outline: none;
    transition: all 0.3s ease;
}

.input-group input:focus {
    border-bottom-color: var(--primary);
}

.form-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.btn-next {
    background: var(--primary);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
}

.btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(249, 115, 22, 0.3);
}

.btn-back {
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.btn-back:hover { color: #fff; }

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
}

.option-card {
    padding: 2rem 1.5rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.option-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.option-card.selected {
    background: rgba(249, 115, 22, 0.1);
    border-color: var(--primary);
}

.option-card h4 { font-size: 1.1rem; color: #fff; }

.press-enter {
    font-size: 0.8rem;
    color: var(--text-muted);
    opacity: 0.5;
}

@media (max-width: 768px) {
    .form-container { width: 92%; padding-top: 100px; }
    .step h2 { font-size: 1.6rem; }
    .form-nav { flex-direction: column-reverse; align-items: stretch; }
    .press-enter { display: none; }
    
    .hero {
        text-align: center;
        flex-direction: column;
        justify-content: center;
        padding-top: 120px;
        min-height: auto;
        height: auto;
        padding-bottom: 60px;
    }

    .hero-content { max-width: 100%; }
    .hero h1 { font-size: clamp(1.8rem, 6vw, 2.5rem); }
    .hero p { font-size: 1rem; }

    .hero-btns {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .hero-btns .btn-outline { margin-left: 0 !important; }

    .hero-image {
        width: 100%;
        opacity: 0.25;
    }

    .hero-image::before {
        background: linear-gradient(to bottom, var(--bg-dark) 25%, transparent 60%, var(--bg-dark) 100%);
    }

    /* Prova social */
    .hero-social-proof {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.2rem;
        max-width: 100%;
        padding: 1.2rem 1rem;
    }

    .proof-divider { display: none; }

    /* Seções */
    .section-header h2 { font-size: 1.9rem; }
    .services-grid { grid-template-columns: 1fr; }
    .service-card { padding: 2.5rem 2rem; }

    /* MEPO */
    .mepo-grid { grid-template-columns: 1fr; gap: 1.5rem; }

    /* Expert / Sobre */
    .expert-container {
        flex-direction: column;
        gap: 2rem;
    }

    .expert-img img { height: 320px !important; }
    .expert-info h2 { font-size: 2.2rem; letter-spacing: -1px; }

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

    /* CTA Footer */
    .cta-box { padding: 3rem 1.5rem; }
    .cta-box h2 { font-size: 1.8rem; }

    /* Footer */
    footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 2rem 5%;
    }

    /* WhatsApp Float */
    .whatsapp-float {
        bottom: 1.2rem;
        right: 1.2rem;
        padding: 0.75rem 1.2rem;
        font-size: 0.85rem;
    }

    /* FAQ */
    .faq-question { font-size: 0.95rem; padding: 1.2rem 1.2rem; }
    .faq-answer.open { padding: 0 1.2rem 1.2rem; }
}

/* === CELULAR PEQUENO (<=480px) === */
@media (max-width: 480px) {
    :root { --section-padding: 60px 4%; }
    .hero h1 { font-size: 1.7rem; }
    .hero p { font-size: 0.95rem; }
    .btn { padding: 0.85rem 1.8rem; font-size: 0.9rem; }
    .btn-lg { padding: 1rem 2rem; }
    .section-header h2 { font-size: 1.6rem; }
    .mepo-letter { font-size: 3.5rem; }
    .expert-info h2 { font-size: 1.8rem; }
    .cta-box h2 { font-size: 1.5rem; }
    .hero-social-proof { gap: 1rem; }
    .proof-item strong { font-size: 1.3rem; }
    .whatsapp-float span { display: none; }
    .whatsapp-float {
        width: 56px;
        height: 56px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
    }
    .whatsapp-float i { font-size: 1.6rem; margin: 0; }
}

/* === SMART TV / MONITOR GRANDE (>=1400px) === */
@media (min-width: 1400px) {
    :root { --section-padding: 120px 8%; }
    nav { max-width: 1600px; }
    .hero h1 { font-size: 4.5rem; }
    .hero p { font-size: 1.35rem; }
    .section-header h2 { font-size: 3rem; }
    .services-grid { grid-template-columns: repeat(4, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
    .mepo-grid { grid-template-columns: repeat(4, 1fr); }
    .cta-box { padding: 6rem; max-width: 1200px; }
    .cta-box h2 { font-size: 3.5rem; }
}

/* === ULTRA WIDE / SMART TV 4K (>=1920px) === */
@media (min-width: 1920px) {
    :root { --section-padding: 140px 10%; }
    body { font-size: 1.1rem; }
    .hero h1 { font-size: 5.5rem; }
    nav { max-width: 1800px; }
}

.scale-card {
    padding: 1rem 0.5rem;
    min-width: 0;
}

.scale-card h4 {
    font-size: 1.1rem;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}