/* ========================================
   PERIODONTIA INTEGRATIVA - LANDING PAGE
   CSS Responsivo Mobile-First
   ======================================== */

/* ========================================
   CSS VARIABLES (Design System)
   ======================================== */
:root {
    /* Colors - Paleta Profissional para Saúde */
    --color-primary: #0A4C6D;          /* Azul confiança */
    --color-primary-dark: #073647;     /* Azul escuro */
    --color-primary-light: #0E6B95;    /* Azul claro */
    --color-secondary: #2D8659;        /* Verde saúde */
    --color-secondary-dark: #1F5E3E;   /* Verde escuro */
    --color-secondary-light: #3FA573;  /* Verde claro */
    --color-accent: #FF9800;           /* Dourado confiança */
    --color-accent-dark: #E68900;      /* Dourado escuro */
    --color-text-primary: #1A1A1A;     /* Preto texto principal */
    --color-text-secondary: #4A5568;   /* Cinza texto secundário */
    --color-text-light: #718096;       /* Cinza claro */
    --color-background: #FFFFFF;       /* Branco */
    --color-background-light: #F7FAFC; /* Cinza clarinho */
    --color-background-gray: #EDF2F7;  /* Cinza médio */
    --color-border: #E2E8F0;           /* Borda clara */
    --color-error: #E53E3E;            /* Vermelho erro */
    --color-success: #38A169;          /* Verde sucesso */
    --color-whatsapp: #25D366;         /* Verde WhatsApp */
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes - Responsivo com clamp() */
    --fs-hero: clamp(2rem, 5vw, 3.5rem);           /* 32px - 56px */
    --fs-h1: clamp(1.75rem, 4vw, 2.5rem);          /* 28px - 40px */
    --fs-h2: clamp(1.5rem, 3.5vw, 2.25rem);        /* 24px - 36px */
    --fs-h3: clamp(1.25rem, 2.5vw, 1.75rem);       /* 20px - 28px */
    --fs-h4: clamp(1.125rem, 2vw, 1.5rem);         /* 18px - 24px */
    --fs-body: clamp(1rem, 1.5vw, 1.125rem);       /* 16px - 18px */
    --fs-small: clamp(0.875rem, 1.2vw, 0.9375rem); /* 14px - 15px */
    
    /* Font Weights */
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 1.5rem;   /* 24px */
    --spacing-lg: 2rem;     /* 32px */
    --spacing-xl: 3rem;     /* 48px */
    --spacing-2xl: 4rem;    /* 64px */
    --spacing-3xl: 6rem;    /* 96px */
    
    /* Border Radius */
    --radius-sm: 0.375rem;  /* 6px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-full: 9999px;  /* Círculo */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.25rem; /* 20px mobile */
}

/* Desktop adjustments */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem; /* 32px desktop */
    }
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-body);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

strong {
    font-weight: var(--fw-semibold);
    color: var(--color-text-primary);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.highlight {
    color: var(--color-primary);
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-size: var(--fs-body);
    font-weight: var(--fw-semibold);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-secondary-dark);
}

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

.btn-accent:hover {
    background-color: var(--color-accent-dark);
}

.btn-lg {
    padding: 1.025rem 1.9rem;
    font-size: 0.925rem;
}

.btn-block {
    width: 100%;
    display: flex;
}

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 60px;
    height: 60px;
    background-color: var(--color-whatsapp);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 25px 35px -5px rgba(37, 211, 102, 0.3);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* Hide on larger screens (desktop has inline CTAs) */
@media (min-width: 1024px) {
    .whatsapp-float {
        display: none;
    }
}

/* ========================================
   HEADER
   ======================================== */
.header {
    background-color: var(--color-background);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    max-width: 150px;
    height: auto;
}

.btn-header {
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
}

@media (min-width: 768px) {
    .logo img {
        max-width: 180px;
    }
    
    .btn-header {
        font-size: 1rem;
        padding: 0.875rem 1.75rem;
    }
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section:nth-child(even) {
    background-color: var(--color-background-light);
}

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

.section-title {
    font-size: var(--fs-h2);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.hero-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-title {
    font-size: var(--fs-hero);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.hero-subtitle {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

.hero-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--fs-small);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.hero-info svg {
    flex-shrink: 0;
    fill: var(--color-secondary);
}

.hero-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

@media (min-width: 768px) {
    .hero {
        padding: var(--spacing-3xl) 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-cta {
        flex-direction: row;
        align-items: center;
    }
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-content {
    display: grid;
    gap: var(--spacing-xl);
}

.about-text p {
    font-size: var(--fs-body);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.check-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.check-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: var(--fw-bold);
    font-size: 1.25rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--fw-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 2fr 1fr;
        gap: var(--spacing-2xl);
        align-items: start;
    }
}

/* ========================================
   SYMPTOMS SECTION
   ======================================== */
.symptoms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.symptom-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    text-align: center;
}

.symptom-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.symptom-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.symptom-card h3 {
    font-size: var(--fs-h4);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.symptom-card p {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.section-cta {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-background-gray);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
}

.cta-text {
    font-size: var(--fs-body);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

/* ========================================
   TREATMENT SECTION
   ======================================== */
.treatment-steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 1.875rem;
    top: 4.5rem;
    bottom: -3rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-border) 100%);
}

.step-number {
    width: 3.75rem;
    height: 3.75rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--fw-bold);
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: var(--fs-h3);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ========================================
   BENEFITS SECTION
   ======================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    text-align: center;
}

.benefit-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.benefit-card h3 {
    font-size: var(--fs-h4);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ========================================
   PROFESSIONAL SECTION
   ======================================== */
.professional-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: start;
}

.professional-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.professional-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.professional-name {
    font-size: var(--fs-h3);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.professional-cro {
    font-size: var(--fs-body);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.professional-bio p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.professional-credentials {
    background-color: var(--color-background-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
}

.professional-credentials h4 {
    font-size: var(--fs-h4);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.credentials-list {
    list-style: none;
}

.credentials-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.credentials-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: var(--fw-bold);
}

@media (min-width: 768px) {
    .professional-content {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-2xl);
    }
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-secondary);
}

.testimonial-rating {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    margin-bottom: 0;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    font-size: var(--fs-body);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    text-align: left;
    background-color: white;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-base);
}

.faq-question:hover {
    background-color: var(--color-background-light);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    stroke: var(--color-primary);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.section-contact {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: white;
}

.section-contact .section-title {
    color: white;
}

.contact-content {
    display: grid;
    gap: var(--spacing-xl);
}

.contact-description {
    font-size: var(--fs-body);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.contact-info {
    display: grid;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
}

.contact-item svg {
    flex-shrink: 0;
    stroke: var(--color-accent);
    margin-top: 0.25rem;
}

.contact-item strong {
    display: block;
    color: white;
    font-weight: var(--fw-semibold);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.contact-form h3 {
    font-size: var(--fs-h3);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.form-description {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    font-size: var(--fs-body);
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background-color: var(--color-background-light);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(10, 76, 109, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
}

.error-message {
    display: none;
    font-size: var(--fs-small);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
}

.form-group.has-error .error-message {
    display: block;
}

.form-privacy {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
        align-items: start;
    }
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo img {
    max-width: 150px;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer-text {
    font-size: var(--fs-small);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-cro {
    font-size: var(--fs-small);
    color: var(--color-accent);
    margin-bottom: 0;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    font-size: var(--fs-h4);
    margin-bottom: var(--spacing-md);
}

.footer-links ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    font-size: var(--fs-small);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-contact p {
    font-size: var(--fs-small);
    margin-bottom: var(--spacing-xs);
}

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

.footer-bottom p {
    font-size: var(--fs-small);
    margin-bottom: var(--spacing-sm);
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
        gap: var(--spacing-2xl);
    }
}

/* ========================================
   ANIMATIONS & UTILITIES
   ======================================== */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

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

/* Scroll animations will be handled by JavaScript */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .header,
    .whatsapp-float,
    .btn,
    .footer {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
}