/* ============================================
   DESIGN SYSTEM - Elegância Profissional
   ============================================ */

:root {
    /* Cores Premium */
    --white: #FFFFFF;
    --black: #1A1A1A;
    --gray-50: #F9F9F9;
    --gray-100: #F3F3F3;
    --gray-200: #E8E8E8;
    --gray-300: #D9D9D9;
    --gray-600: #666666;
    --gray-700: #4A4A4A;
    
    /* Cores Acentuadas */
    --green-whatsapp: #25D366;
    --green-whatsapp-dark: #1FA856;
    --rose-gold: #D4A5A5;
    --sage-green: #A8B8A8;
    --cream: #F5F1ED;
    
    /* Tipografia Premium */
    --font-display: 'Playfair Display', serif;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Sombras Elegantes */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.18);
    
    /* Transições */
    --transition: 300ms cubic-bezier(0.23, 1, 0.32, 1);
    --transition-slow: 400ms cubic-bezier(0.23, 1, 0.32, 1);
}

/* ============================================
   RESET E ESTILOS GLOBAIS
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--white);
    color: var(--black);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

p, h1, h2, h3, h4, h5, h6, a {
    user-select: text;
    -webkit-user-select: text;
}

body {
    -webkit-touch-callout: none;
}

/* ============================================
   HEADER FIXO
   ============================================ */

.header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--green-whatsapp), var(--green-whatsapp-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 18px;
    font-family: var(--font-display);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    color: var(--black);
    letter-spacing: -0.5px;
}

.btn-whatsapp-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--green-whatsapp), var(--green-whatsapp-dark));
    color: var(--white);
    padding: 0.6rem 1.2rem;
    border-radius: 24px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
    font-family: var(--font-body);
}

.btn-whatsapp-header:active {
    transform: scale(0.96);
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp-header:hover {
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.3);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    margin-top: 60px;
    position: relative;
    min-height: 75vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    padding: var(--spacing-lg) var(--spacing-sm);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
    max-width: 100%;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--black);
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--green-whatsapp), var(--green-whatsapp-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.6;
    max-width: 90%;
    margin: 0 auto;
}

.hero-image-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 320px;
    margin-top: var(--spacing-lg);
    animation: slideUp 0.8s var(--transition) forwards;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: block;
}

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

/* ============================================
   BOTÕES
   ============================================ */

.btn-primary-hero,
.btn-secondary,
.btn-primary-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--green-whatsapp), var(--green-whatsapp-dark));
    color: var(--white);
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-body);
    font-size: 15px;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.25);
}

.btn-primary-hero:active,
.btn-secondary:active,
.btn-primary-large:active {
    transform: scale(0.96);
}

.btn-primary-hero:hover,
.btn-secondary:hover,
.btn-primary-large:hover {
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--cream);
    color: var(--green-whatsapp);
    border: 2px solid var(--green-whatsapp);
    box-shadow: 0 2px 8px rgba(212, 165, 165, 0.15);
}

.btn-secondary:hover {
    background: var(--white);
    box-shadow: 0 4px 16px rgba(212, 165, 165, 0.25);
}

.btn-primary-large {
    padding: 16px 40px;
    font-size: 16px;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
}

/* ============================================
   PREMIUM FEATURES
   ============================================ */

.premium-features {
    padding: var(--spacing-xl) var(--spacing-sm);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--cream) 100%);
    border-bottom: 1px solid var(--gray-200);
}

.features-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 100%;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.feature-item:active {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1), rgba(31, 168, 86, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-whatsapp);
    margin-bottom: var(--spacing-md);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 2;
}

.feature-item h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.feature-item p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.5;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits-section {
    padding: var(--spacing-2xl) var(--spacing-sm);
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.5;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 100%;
}

.benefit-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-lg);
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green-whatsapp), var(--green-whatsapp-dark));
    opacity: 0;
    transition: opacity var(--transition);
}

.benefit-card:active {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.benefit-card:active::before {
    opacity: 1;
}

.benefit-icon-large {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.benefit-card h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--black);
}

.benefit-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process-section {
    padding: var(--spacing-2xl) var(--spacing-sm);
    background: linear-gradient(135deg, var(--cream) 0%, var(--gray-50) 100%);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 100%;
}

.process-step {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    position: relative;
}

.process-step:active {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--green-whatsapp), var(--green-whatsapp-dark));
    color: var(--white);
    border-radius: 50%;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.process-step h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.process-step p {
    font-size: 14px;
    color: var(--gray-600);
}

.process-connector {
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-whatsapp);
    font-size: 20px;
    font-weight: 700;
}

.process-connector::after {
    content: '↓';
}

/* ============================================
   TESTIMONIAL SECTION
   ============================================ */

.testimonial-section {
    padding: var(--spacing-2xl) var(--spacing-sm);
    background: var(--white);
}

.testimonial-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.testimonial-image {
    width: 100%;
    max-width: 340px;
}

.testimonial-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: block;
}

.testimonial-content {
    text-align: center;
}

.testimonial-content h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--black);
    letter-spacing: -0.5px;
}

.testimonial-content p {
    font-size: 15px;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.testimonial-content .btn-secondary {
    margin-top: var(--spacing-lg);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--spacing-2xl) var(--spacing-sm);
    background: linear-gradient(135deg, var(--green-whatsapp) 0%, var(--green-whatsapp-dark) 100%);
    color: var(--white);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.cta-section h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.cta-section p {
    font-size: 16px;
    opacity: 0.95;
    line-height: 1.6;
}

.btn-primary-large {
    background-color: var(--white);
    color: var(--green-whatsapp);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.btn-primary-large:hover {
    background-color: var(--gray-50);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: linear-gradient(135deg, var(--black) 0%, #2A2A2A 100%);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-sm);
}

.footer-content {
    max-width: 100%;
    margin-bottom: var(--spacing-xl);
}

.footer-section-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-300);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-link {
    background: none;
    border: none;
    color: var(--green-whatsapp);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    padding: 0.75rem 0;
    transition: all var(--transition);
    font-family: var(--font-body);
    position: relative;
}

.footer-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--green-whatsapp);
    transition: width var(--transition);
}

.footer-link:hover::before {
    width: 100%;
}

.footer-link:hover {
    color: var(--white);
}

/* ============================================
   COLLAPSIBLE SECTIONS
   ============================================ */

.collapsible-section {
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    transition: all var(--transition);
}

.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition);
    font-weight: 600;
    font-size: 14px;
    color: var(--white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.collapsible-header:active {
    background: rgba(255, 255, 255, 0.12);
}

.toggle-icon {
    display: inline-block;
    transition: transform var(--transition);
    font-size: 18px;
    color: var(--green-whatsapp);
}

.collapsible-section.open .toggle-icon {
    transform: rotate(45deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    background: rgba(255, 255, 255, 0.03);
}

.collapsible-section.open .collapsible-content {
    max-height: 2000px;
}

.collapsible-content h4 {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--green-whatsapp);
    padding: 0 var(--spacing-md);
}

.collapsible-content h4:first-child {
    margin-top: var(--spacing-md);
}

.collapsible-content p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
}

/* ============================================
   FOOTER BOTTOM
   ============================================ */

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-xs);
}

.compliance-note {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

/* ============================================
   RESPONSIVO - TABLET (640px+)
   ============================================ */

@media (min-width: 640px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-image-container {
        max-width: 380px;
    }

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

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

    .section-title {
        font-size: 40px;
    }

    .process-steps {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        align-items: flex-start;
    }

    .process-step {
        flex: 0 1 calc(50% - var(--spacing-md));
    }

    .process-connector {
        flex: 0 1 100%;
        margin: var(--spacing-md) 0;
    }

    .testimonial-wrapper {
        flex-direction: row;
        gap: var(--spacing-xl);
        align-items: center;
    }

    .testimonial-image {
        flex: 1;
        max-width: 100%;
    }

    .testimonial-content {
        flex: 1;
        text-align: left;
    }

    .testimonial-content h2 {
        font-size: 36px;
    }
}

/* ============================================
   RESPONSIVO - DESKTOP (1024px+)
   ============================================ */

@media (min-width: 1024px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-2xl);
        min-height: 85vh;
    }

    .hero-title {
        font-size: 48px;
    }

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

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

    .section-title {
        font-size: 44px;
    }

    .process-steps {
        flex-direction: row;
        justify-content: space-around;
        align-items: flex-start;
    }

    .process-step {
        flex: 0 1  22%;
    }

    .process-connector {
        flex: 0 1 auto;
        margin: 0;
    }

    .process-connector::after {
        content: '→';
    }

    .benefits-section,
    .process-section,
    .testimonial-section,
    .cta-section,
    .footer {
        padding: var(--spacing-2xl) var(--spacing-2xl);
    }
}

/* ============================================
   ANIMAÇÕES
   ============================================ */

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

.benefit-card,
.process-step,
.feature-item {
    animation: fadeInUp var(--transition-slow) ease-out forwards;
}

.benefit-card:nth-child(1) { animation-delay: 0.1s; }
.benefit-card:nth-child(2) { animation-delay: 0.2s; }
.benefit-card:nth-child(3) { animation-delay: 0.3s; }
.benefit-card:nth-child(4) { animation-delay: 0.4s; }

/* ============================================
   ACESSIBILIDADE
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--green-whatsapp);
    outline-offset: 2px;
}