/* ============================================
   PRÓDENTE LIFE - STYLESHEET
   Manual da Marca - Versão Oficial
   ============================================ */

/* ============================================
   1. CSS VARIABLES (Baseado no Manual)
   ============================================ */

:root {
    /* Cores Institucionais */
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray: #7A7A7A;
    --color-gray-light: #F5F5F5;
    --color-gray-dark: #333333;

    /* Tipografia */
    --font-serif: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --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, 0.16);
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-gray-dark);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-black);
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

p {
    margin-bottom: 1rem;
    color: var(--color-gray);
    font-size: 1.0625rem;
}

.lead {
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--color-gray-dark);
    line-height: 1.6;
}

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

/* ============================================
   4. LOGO (Baseado no Manual - Versão Horizontal)
   ============================================ */

.logo-horizontal {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.logo-monogram {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: -0.02em;
    line-height: 1;
}

.logo-text-container {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.logo-main {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 800;
    color: var(--color-black);
    letter-spacing: 0.08em;
    line-height: 1;
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    font-weight: 400;
    color: var(--color-gray);
    letter-spacing: 0.12em;
    line-height: 1;
}

/* Logo Footer (Branco) */
.logo-footer .logo-monogram,
.logo-footer .logo-main {
    color: var(--color-white);
}

.logo-footer .logo-sub {
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   5. NAVIGATION
   ============================================ */

.navbar {
    padding: 1.25rem 0;
    transition: var(--transition-base);
    background-color: var(--color-white) !important;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    padding: 0.875rem 0;
}

.navbar-brand {
    padding: 0;
    margin-right: 2rem;
}

.nav-link {
    color: var(--color-gray-dark) !important;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.625rem 1.125rem !important;
    transition: var(--transition-base);
    position: relative;
    letter-spacing: 0.01em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0.25rem;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--color-black) !important;
}

.nav-link:hover::after {
    width: 50%;
}

.navbar-toggler {
    padding: 0.5rem;
    border: none;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ============================================
   6. BUTTONS
   ============================================ */

.btn {
    border-radius: 0;
    padding: 0.875rem 2.25rem;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition-base);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--font-sans);
}

.btn-dark {
    background-color: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
}

.btn-dark:hover {
    background-color: var(--color-gray-dark);
    border-color: var(--color-gray-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn-outline-dark {
    background-color: transparent;
    border-color: var(--color-black);
    color: var(--color-black);
}

.btn-outline-dark:hover {
    background-color: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-light {
    background-color: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-black);
}

.btn-light:hover {
    background-color: var(--color-gray-light);
    border-color: var(--color-gray-light);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    background-color: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-outline-light:hover {
    background-color: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-black);
    transform: translateY(-2px);
}

.btn-agendar {
    padding: 0.75rem 1.75rem !important;
}

/* ============================================
   7. WHATSAPP FLOATING BUTTON
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.75rem;
    height: 3.75rem;
    background-color: #25D366;
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition-base);
    text-decoration: none;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    color: var(--color-white);
}

/* ============================================
   8. SECTION UTILITIES
   ============================================ */

.section-padding {
    padding: var(--spacing-xl) 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-subtitle {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gray);
    margin-bottom: 0.75rem;
    font-family: var(--font-sans);
}

.section-title {
    font-size: clamp(2.25rem, 4vw, 3.75rem);
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 1.25rem;
    font-family: var(--font-serif);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   9. HERO SECTION
   ============================================ */

.hero-section {
    padding-top: 90px;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 0, 0, 0.02) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 3rem 0;
}

.hero-title {
    font-size: clamp(2.75rem, 5.5vw, 5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.75rem;
    font-family: var(--font-serif);
}

.hero-title .highlight {
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0.15em;
    left: 0;
    width: 100%;
    height: 0.12em;
    background-color: var(--color-black);
    opacity: 0.15;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--color-gray);
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    padding-top: 2.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.5rem;
    font-family: var(--font-serif);
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--color-gray);
    margin-bottom: 0;
    font-weight: 500;
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-img {
    border: 3px solid var(--color-black);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-slow);
}

.hero-img:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* ============================================
   10. ABOUT SECTION
   ============================================ */

.about-section {
    background-color: var(--color-white);
}

.about-image-wrapper {
    position: relative;
}

.about-image-frame {
    position: relative;
    border: 3px solid var(--color-black);
    overflow: hidden;
}

.about-img {
    width: 100%;
    height: auto;
    transition: var(--transition-slow);
}

.about-image-frame:hover .about-img {
    transform: scale(1.05);
}

.about-badge {
    position: absolute;
    bottom: -1.5rem;
    right: -1.5rem;
    width: 140px;
    height: 140px;
    background-color: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.badge-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    font-family: var(--font-serif);
}

.badge-text {
    font-size: 0.75rem;
    text-align: center;
    line-height: 1.3;
    margin-top: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.about-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
    margin-top: 2rem;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
    color: var(--color-gray-dark);
    font-size: 1.0625rem;
}

.value-item i {
    font-size: 1.75rem;
    color: var(--color-black);
}

/* ============================================
   11. SERVICES SECTION
   ============================================ */

.services-section {
    background-color: var(--color-gray-light);
}

.service-card {
    background-color: var(--color-white);
    height: 100%;
    transition: var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.service-overlay i {
    font-size: 3.5rem;
    color: var(--color-white);
    transform: scale(0.8);
    transition: var(--transition-base);
}

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

.service-card:hover .service-overlay i {
    transform: scale(1);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-black);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-content {
    padding: 2rem;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-black);
    font-family: var(--font-serif);
}

.service-description {
    color: var(--color-gray);
    margin-bottom: 0;
    line-height: 1.7;
    font-size: 1rem;
}

/* ============================================
   12. DIFFERENTIALS SECTION
   ============================================ */

.differentials-section {
    background-color: var(--color-white);
}

.differential-card {
    padding: 2.5rem 2rem;
    height: 100%;
    text-align: center;
    transition: var(--transition-base);
}

.differential-card:hover {
    transform: translateY(-8px);
}

.differential-icon {
    width: 90px;
    height: 90px;
    background-color: var(--color-black);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.75rem;
    margin: 0 auto 1.75rem;
    transition: var(--transition-base);
}

.differential-card:hover .differential-icon {
    transform: scale(1.15) rotate(-5deg);
    background-color: var(--color-gray-dark);
    box-shadow: var(--shadow-md);
}

.differential-title {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--color-black);
    font-family: var(--font-serif);
}

.differential-description {
    color: var(--color-gray);
    margin-bottom: 0;
    line-height: 1.7;
    font-size: 1rem;
}

/* ============================================
   13. GALLERY SECTION
   ============================================ */

.gallery-section {
    background-color: var(--color-gray-light);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--color-black);
}

.gallery-item img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    padding: 2.5rem 2rem;
    transform: translateY(100%);
    transition: var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-title {
    color: var(--color-white);
    margin: 0;
    font-size: 1.375rem;
    font-family: var(--font-serif);
}

/* ============================================
   14. TESTIMONIALS SECTION
   ============================================ */

.testimonials-section {
    background-color: var(--color-white);
}

.testimonial-card {
    background-color: var(--color-white);
    padding: 3rem;
    height: 100%;
    border: 2px solid var(--color-gray-light);
    transition: var(--transition-base);
    position: relative;
}

.testimonial-quote {
    position: absolute;
    top: 1.5rem;
    left: 2rem;
    font-size: 5rem;
    color: var(--color-gray-light);
    line-height: 1;
    z-index: 0;
}

.testimonial-stars {
    color: var(--color-black);
    font-size: 1.25rem;
    margin-bottom: 1.75rem;
    position: relative;
    z-index: 1;
}

.testimonial-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-dark);
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

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

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    position: relative;
    z-index: 1;
}

.testimonial-author strong {
    color: var(--color-black);
    font-weight: 600;
    font-size: 1.125rem;
    font-family: var(--font-serif);
}

.testimonial-author span {
    color: var(--color-gray);
    font-size: 0.9375rem;
}

/* ============================================
   15. CTA SECTION
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-dark) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.cta-overlay {
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-title {
    font-size: clamp(2.25rem, 4vw, 3.5rem);
    color: var(--color-white);
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-family: var(--font-serif);
}

.cta-text {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   16. FOOTER
   ============================================ */

.footer {
    background-color: var(--color-black);
    color: var(--color-white);
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    font-size: 1rem;
}

.footer-title {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 1.75rem;
    color: var(--color-white);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.875rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-base);
    display: inline-block;
    font-size: 1rem;
}

.footer-links a:hover {
    color: var(--color-white);
    transform: translateX(5px);
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-base);
}

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

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-base);
    text-decoration: none;
}

.footer-social a:hover {
    background-color: var(--color-white);
    color: var(--color-black);
    transform: translateY(-3px);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 3rem 0 2rem;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9375rem;
    margin: 0;
}

/* ============================================
   17. RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 991px) {
    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 320px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 320px;
    }

    .about-badge {
        width: 120px;
        height: 120px;
        bottom: -1rem;
        right: -1rem;
    }

    .badge-number {
        font-size: 2rem;
    }

    .badge-text {
        font-size: 0.6875rem;
    }
}

@media (max-width: 767px) {
    .whatsapp-float {
        width: 3.25rem;
        height: 3.25rem;
        bottom: 1.5rem;
        right: 1.5rem;
        font-size: 1.75rem;
    }

        .hero-section {
        padding-top: 70px;
    }

    .stat-number {
        font-size: 2.25rem;
    }

    .service-image {
        height: 180px;
    }

    .service-content {
        padding: 1.5rem;
    }

    .service-title {
        font-size: 1.25rem;
    }

    .differential-icon {
        width: 70px;
        height: 70px;
        font-size: 2.25rem;
    }

    .gallery-item img {
        height: 250px;
    }

    .testimonial-card {
        padding: 2rem;
    }

    .about-badge {
        width: 100px;
        height: 100px;
        bottom: -0.75rem;
        right: -0.75rem;
    }

    .badge-number {
        font-size: 1.75rem;
    }

    .badge-text {
        font-size: 0.625rem;
    }
}

@media (max-width: 576px) {
    .logo-monogram {
        font-size: 1.75rem;
    }

    .logo-main {
        font-size: 0.8125rem;
    }

    .logo-sub {
        font-size: 0.5625rem;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn {
        padding: 0.75rem 1.75rem;
        font-size: 0.875rem;
    }

    .cta-title {
        font-size: 1.75rem;
    }

    .cta-text {
        font-size: 1.0625rem;
    }
}

/* ============================================
   18. SCROLL TO TOP BUTTON
   ============================================ */

.scroll-to-top {
    position: fixed;
    bottom: 100px;
    right: 2rem;
    width: 3.25rem;
    height: 3.25rem;
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

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

.scroll-to-top:hover {
    background-color: var(--color-gray-dark);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 767px) {
    .scroll-to-top {
        bottom: 80px;
        right: 1.5rem;
        width: 2.75rem;
        height: 2.75rem;
        font-size: 1rem;
    }
}

/* ============================================
   19. ANIMATIONS
   ============================================ */

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

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

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

.fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   20. UTILITIES
   ============================================ */

.bg-light {
    background-color: var(--color-gray-light) !important;
}

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

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* ============================================
   21. PRINT STYLES
   ============================================ */

@media print {
    .navbar,
    .whatsapp-float,
    .scroll-to-top,
    .cta-section,
    .footer {
        display: none;
    }
}

/* ============================================
   22. ACCESSIBILITY
   ============================================ */

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

/* Focus states for keyboard navigation */
.btn:focus,
.nav-link:focus,
a:focus {
    outline: 2px solid var(--color-black);
    outline-offset: 2px;
}

/* ============================================
   23. DARK MODE SUPPORT (Opcional)
   ============================================ */

@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--color-gray-dark);
        color: var(--color-gray-light);
    }

    .navbar {
        background-color: var(--color-gray-dark) !important;
    }

    .nav-link {
        color: var(--color-gray-light) !important;
    }
}