/*
 * DENTCOMM - FOLHA DE ESTILO GLOBAL
 * Versão: 1.1 - Ajuste Fino nos Botões
 */

/* 1. IMPORTS E VARIÁVEIS */
@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700&family=Dancing+Script:wght@700&display=swap');

:root {
    /* Cores principais */
    --primary-cyan: #16FEED;
    --primary-dark: #212121;
    --primary-gray: #676767;
    --white: #ffffff;
    --black: #000000;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #16FEED 0%, #00D4AA 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(135deg, rgba(22, 254, 237, 0.1) 0%, rgba(33, 33, 33, 0.05) 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    
    /* Cores de estado */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Backgrounds */
    --bg-light: #fafafa;
    --bg-card: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.8);
    
    /* Tipografia */
    --font-primary: 'Hanken Grotesk', sans-serif;
    --font-display: 'Playfair Display', serif;
    --font-cursive: 'Dancing Script', cursive;
    
    /* Espaçamentos */
    --header-height: 80px;
    --section-padding: 5rem 0;
    --container-padding: 1.5rem;
    
    /* Transições */
    --transition-fast: all 0.2s ease;
    --transition-smooth: all 0.3s ease-in-out;
    --transition-slow: all 0.5s ease-in-out;
    
    /* Sombras */
    --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);
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Dark mode variables */
[data-theme="dark"] {
    --primary-dark: #f1f1f1;
    --primary-gray: #a1a1aa;
    --white: #0a0a0a;
    --bg-light: #0a0a0a;
    --bg-card: #1f1f1f;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* 2. RESET GLOBAL E ESTILOS BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.5;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-light);
    color: var(--primary-gray);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-family: var(--font-display);
    font-weight: 600;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-family: var(--font-display);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--primary-cyan);
}

ul {
    list-style: none;
}

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

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* 3. CLASSES UTILITÁRIAS */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--section-padding);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-family: var(--font-display);
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem auto;
    opacity: 0.8;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-style: italic;
    font-weight: 600;
}

.font-cursive-highlight {
    font-family: var(--font-cursive);
    font-weight: 700;
    font-size: 1.2em;
    color: var(--primary-cyan);
}

.display-highlight {
    font-family: var(--font-display);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    min-height: 48px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-smooth);
}

.btn:hover::before {
    left: 100%;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    text-shadow: 0px 1px 2px rgba(0, 0, 0, 0.2);
}

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

.btn--secondary {
    background: transparent;
    color: var(--primary-dark);
    border-color: var(--primary-dark);
}

[data-theme="dark"] .btn--secondary {
    color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn--secondary:hover {
    background: var(--primary-dark);
    color: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: var(--primary-cyan);
    border-color: var(--primary-cyan);
}

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

.btn--ghost {
    background: rgba(22, 254, 237, 0.1);
    color: var(--primary-cyan);
    border: none;
}

.btn--ghost:hover {
    background: rgba(22, 254, 237, 0.2);
}

.btn--large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn--small {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: 1px solid rgba(22, 254, 237, 0.1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Animações de entrada */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

.scale-in {
    animation: scaleIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes scaleIn {
    from { 
        opacity: 0;
        transform: scale(0.9);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* 4. HEADER E NAVEGAÇÃO */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: var(--z-fixed);
    transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
    
    background: rgba(250, 250, 250, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(250, 250, 250, 0.90);
}

[data-theme="dark"] .header {
    background: rgba(18, 18, 18, 0.75);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .header.scrolled {
    background: rgba(18, 18, 18, 0.90);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo .logo-light,
[data-theme="dark"] .header__logo .logo-dark {
    display: block;
}

.header__logo .logo-dark,
[data-theme="dark"] .header__logo .logo-light {
    display: none;
}

.header__logo img {
    height: 40px;
    width: auto;
    transition: var(--transition-smooth);
}

.header__logo:hover img {
    transform: scale(1.05);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    font-weight: 500;
    color: var(--primary-gray);
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-smooth);
}

.nav__link:hover {
    color: var(--primary-cyan);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__link.active {
    color: var(--primary-dark);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border-radius: 50%;
    transition: var(--transition-smooth);
}
.theme-toggle:hover {
    transform: scale(1.1);
    background-color: rgba(0,0,0,0.05);
    box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .theme-toggle:hover {
    background-color: rgba(255,255,255,0.1);
}

.theme-toggle__icon {
    font-size: 24px;
    position: absolute;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.theme-toggle .sun-icon {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.theme-toggle .moon-icon {
    transform: translateY(100%) scale(0);
    opacity: 0;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    transform: translateY(-100%) scale(0);
    opacity: 0;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.lang-switcher__btn {
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: var(--transition-smooth);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lang-switcher__btn img {
    height: 24px;
    width: auto;
    border-radius: 2px;
}
.lang-switcher__btn:hover {
    transform: scale(1.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    z-index: 1001;
}

.nav-toggle__bar {
    width: 24px;
    height: 2px;
    background: var(--primary-dark);
    transition: var(--transition-smooth);
    transform-origin: center;
}

.nav-toggle.active .nav-toggle__bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle__bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 5. PAGE HEADER (Genérico para todas as páginas) */
.page-header {
    padding: calc(var(--header-height) + 4rem) 0 4rem 0;
    background: var(--gradient-hero);
    text-align: center;
}

.page-header__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-family: var(--font-display);
    margin-bottom: 1.5rem;
}

/* 16. FOOTER */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 3rem 0 1rem 0;
}

.footer__container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer__logo {
    height: 40px;
    width: auto;
}

.footer__tagline {
    opacity: 0.8;
    line-height: 1.6;
}

.footer__social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer__social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition-smooth);
}

.footer__social a:hover {
    background: var(--primary-cyan);
    color: var(--primary-dark);
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer__column h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer__column ul {
    display: grid;
    gap: 0.5rem;
}

.footer__column ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.footer__column a, .footer__column li {
    opacity: 0.8;
    transition: var(--transition-smooth);
}

.footer__column a:hover {
    opacity: 1;
    color: var(--primary-cyan);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-top: 2rem;
}

.footer__bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer__legal {
    display: flex;
    gap: 2rem;
}

.footer__legal a {
    opacity: 0.8;
    font-size: 0.875rem;
    transition: var(--transition-smooth);
}

.footer__legal a:hover {
    opacity: 1;
    color: var(--primary-cyan);
}

/* 17. WHATSAPP FLOAT */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-tooltip);
    transition: var(--transition-smooth);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* 18. RESPONSIVIDADE */
@media (max-width: 1024px) {
    .footer__container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 3rem 0;
        --container-padding: 1rem;
    }
    
    .nav__list {
        display: none;
        flex-direction: column;
        position: fixed;
        top: var(--header-height);
        right: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--bg-card);
        padding: 2rem;
        transform: translateX(100%);
        transition: transform var(--transition-smooth);
        z-index: var(--z-dropdown);
    }
    
    .nav__list.active {
        display: flex;
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
    }

    .footer__bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .btn--large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 1rem;
        right: 1rem;
    }
}

/* 21. FUNCIONALIDADES AVANÇADAS E CORREÇÕES */
.form-group {
    position: relative;
    padding-bottom: 1.5rem;
}

.form-input.error {
    border-color: var(--error);
    background-color: rgba(239, 68, 68, 0.05);
}

.error-message {
    position: absolute;
    bottom: 0;
    left: 5px;
    color: var(--error);
    font-size: 0.875rem;
    font-weight: 500;
    display: block;
}

/* Sombra em Textos Apenas no Modo Escuro */
.cta-section,
.cta-final,
.highlight-section {
    color: var(--primary-dark);
}

.cta-section .highlight,
.cta-final .highlight,
.highlight-section .display-highlight {
    background: none !important;
    -webkit-text-fill-color: inherit !important;
    color: inherit !important;
    text-shadow: none !important;
}

.cta-section .btn--outline,
.cta-final .btn--outline {
    color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.cta-section .btn--outline:hover,
.cta-final .btn--outline:hover {
    background-color: var(--primary-dark);
    color: #FFFFFF;
}

[data-theme="dark"] .cta-section *,
[data-theme="dark"] .cta-final *,
[data-theme="dark"] .highlight-section * {
    color: #FFFFFF !important;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.6) !important;
    -webkit-text-fill-color: #FFFFFF !important;
    background: none !important;
}

[data-theme="dark"] .cta-section .btn--primary,
[data-theme="dark"] .cta-final .btn--primary {
    color: var(--primary-dark) !important;
    text-shadow: none !important;
}

[data-theme="dark"] .cta-section .btn--outline:hover,
[data-theme="dark"] .cta-final .btn--outline:hover {
    color: var(--black) !important;
    background-color: #FFFFFF;
    text-shadow: none !important;
}

[data-theme="dark"] .testimonial__text,
[data-theme="dark"] .product-card__desc,
[data-theme="dark"] .product-summary-card__objective,
[data-theme="dark"] .section-subtitle,
[data-theme="dark"] .product-header__objective,
[data-theme="dark"] .info-card,
[data-theme="dark"] .value-card p {
    color: #c1c1c1;
    opacity: 1;
}

[data-theme="dark"] .newsletter {
    background: var(--black);
}

[data-theme="dark"] .newsletter__title {
    color: var(--primary-dark);
}
[data-theme="dark"] .newsletter__subtitle {
    color: #c1c1c1;
    opacity: 1;
}
[data-theme="dark"] .newsletter__disclaimer {
    color: var(--primary-gray);
    opacity: 1;
}
[data-theme="dark"] .newsletter__input {
    background: #2a2a2a;
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--primary-dark);
}
[data-theme="dark"] .newsletter__input::placeholder {
    color: var(--primary-gray);
}