/* 
ContaFácil - Contabilidade Profissional em Portugal
Main Stylesheet
*/

/* === VARIABLES === */
:root {
    /* Colors */
    --primary-gradient-start: #20B2AA; /* Sea turquoise */
    --primary-gradient-end: #104E8B; /* Deep blue */
    --accent-yellow: #FFD700; /* Sunny yellow */
    --accent-coral: #FF7F50; /* Coral */
    --text-dark: #333333; /* Dark text */
    --text-light: #FFFFFF; /* Light text */
    --gray-light: #F5F5F5; /* Light gray for sections */
    --gray-medium: #E0E0E0; /* Medium gray for borders */
    --gray-dark: #757575; /* Dark gray for secondary text */
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: 'Georgia', serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Border radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Header height */
    --header-height: 80px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height); /* Add scroll padding to account for fixed header */
}

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

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

a {
    color: var(--primary-gradient-start);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover, a:focus {
    color: var(--primary-gradient-end);
}

ul, ol {
    list-style-position: inside;
}

/* === LAYOUT === */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--accent-coral), var(--accent-yellow));
}

.section-header .subtitle {
    color: var(--gray-dark);
    font-size: 1.2rem;
    max-width: 700px;
    margin: var(--spacing-md) auto 0;
}

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
}

/* === BUTTONS === */
.cta-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
    cursor: pointer;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.cta-button.primary {
    background: linear-gradient(135deg, var(--accent-coral), var(--accent-yellow));
    color: var(--text-dark);
    border: none;
}

.cta-button.secondary {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--text-light);
    border: none;
}

.cta-button:hover, .cta-button:focus {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow-color);
}

.cta-button.primary:hover, .cta-button.primary:focus {
    color: var(--text-dark);
}

.cta-button.secondary:hover, .cta-button.secondary:focus {
    color: var(--text-light);
}

/* === HEADER === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

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

.logo a {
    display: block;
}

.logo-svg {
    height: 50px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-gradient-start), var(--primary-gradient-end));
    transition: width var(--transition-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    cursor: pointer;
}

.menu-icon span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 5px 0;
    transition: all var(--transition-fast);
}

/* === MAIN CONTENT === */
main {
    margin-top: var(--header-height); /* Header height */
}

/* Section anchors - fix for fixed header */
section[id]::before { 
    content: "";
    display: block;
    height: var(--header-height);
    margin-top: calc(-1 * var(--header-height));
    visibility: hidden;
    pointer-events: none;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--text-light);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero-section .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-image {
    flex: 1;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform var(--transition-normal);
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg);
}

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

/* About Section */
.about-section {
    background-color: var(--gray-light);
}

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

.about-image {
    flex: 1;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.about-text {
    flex: 1;
}

.about-features {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.about-features li {
    padding-left: 30px;
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.about-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-gradient-start);
    font-weight: bold;
}

/* Advantages Section - with added image === */
.advantages-section {
    background-color: #FFFFFF;
}

.advantages-image {
    margin: 0 auto var(--spacing-xl);
    max-width: 800px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.advantages-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-normal);
}

.advantages-image img:hover {
    transform: scale(1.02);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.advantage-card {
    background-color: var(--gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.advantage-icon {
    margin: 0 auto var(--spacing-md);
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Services Section - with added image === */
.services-section {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--text-light);
}

.services-image {
    margin: 0 auto var(--spacing-xl);
    max-width: 800px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.services-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-normal);
}

.services-image img:hover {
    transform: scale(1.02);
}

.services-section .section-header h2 {
    color: var(--text-light);
}

.services-section .section-header .subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: #FFFFFF;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-normal);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card.highlighted {
    transform: scale(1.05);
    border: 2px solid var(--accent-yellow);
}

.service-card.highlighted:hover {
    transform: scale(1.05) translateY(-10px);
}

.service-icon {
    margin: 0 auto var(--spacing-md);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-features {
    list-style: none;
    text-align: left;
    margin: var(--spacing-md) 0;
    flex-grow: 1;
}

.service-features li {
    padding-left: 25px;
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-gradient-start);
}

.service-price {
    margin: var(--spacing-md) 0;
    font-size: 1.2rem;
}

.service-price span {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-gradient-start);
}

/* Testimonials Section */
.testimonials-section {
    background-color: var(--gray-light);
}

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

.testimonial-card {
    background-color: #FFFFFF;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.testimonial-quote {
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 3rem;
    color: var(--gray-medium);
    opacity: 0.5;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: var(--spacing-md);
}

.author-info h4 {
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    color: var(--gray-dark);
    margin: 0;
}

/* Contact Section */
.contact-section {
    background-color: #FFFFFF;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.contact-info {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--text-light);
    border-radius: var(--border-radius-md);
}

.contact-info h3 {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.contact-info address {
    font-style: normal;
    margin-bottom: var(--spacing-lg);
}

.contact-info address p {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.contact-info address svg {
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.contact-info a {
    color: var(--text-light);
    text-decoration: underline;
}

.contact-info a:hover {
    color: var(--accent-yellow);
}

.business-hours {
    margin-top: var(--spacing-lg);
}

.business-hours h4 {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.business-hours p {
    margin-bottom: var(--spacing-xs);
}

.contact-form-container {
    padding: var(--spacing-lg);
    background-color: var(--gray-light);
    border-radius: var(--border-radius-md);
}

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

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-medium);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gradient-start);
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-group.checkbox input {
    width: auto;
    margin-top: 5px;
}

.form-group.checkbox label {
    margin-bottom: 0;
}

/* Thank You Section */
.thank-you-section {
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.thank-you-content {
    max-width: 700px;
    margin: 0 auto;
}

.thank-you-icon {
    margin: 0 auto var(--spacing-lg);
}

.thank-you-buttons {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* Policy Pages */
.policy-section {
    padding: var(--spacing-xxl) 0;
}

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

.policy-header h1 {
    margin-bottom: var(--spacing-sm);
}

.last-updated {
    color: var(--gray-dark);
    font-style: italic;
}

.policy-content {
    max-width: 900px;
    margin: 0 auto;
}

.policy-content .policy-section {
    margin-bottom: var(--spacing-xl);
    padding: 0;
}

.policy-content h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.policy-content h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
}

.policy-content ul, 
.policy-content ol {
    margin-bottom: var(--spacing-md);
}

.policy-content li {
    margin-bottom: var(--spacing-xs);
}

/* === FOOTER === */
.site-footer {
    background-color: var(--text-dark);
    color: var(--text-light);
    padding-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.footer-logo a {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.footer-desc {
    opacity: 0.8;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--text-light);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--accent-yellow);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* === COOKIE BANNER === */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    color: var(--text-light);
    padding: var(--spacing-md);
    z-index: 9999;
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.cookie-banner.visible {
    display: block;
    opacity: 1;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-content p {
    margin: 0 var(--spacing-md) 0 0;
}

.cookie-button {
    background-color: var(--accent-yellow);
    color: var(--text-dark);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
    transition: background-color var(--transition-fast);
}

.cookie-button:hover {
    background-color: var(--accent-coral);
}

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

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.fade-in {
    animation: fadeIn 1s ease forwards;
}

.slide-in-left {
    animation: slideInLeft 1s ease forwards;
}

.slide-in-right {
    animation: slideInRight 1s ease forwards;
}

/* === RESPONSIVE STYLES === */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-section .container {
        flex-direction: column;
    }
    
    .hero-image {
        margin-top: var(--spacing-lg);
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Mobile Menu */
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: #FFFFFF;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: var(--spacing-xl);
        transition: left var(--transition-normal);
        box-shadow: 0 5px 10px var(--shadow-color);
    }
    
    .nav-links li {
        margin: 0 0 var(--spacing-lg) 0;
    }
    
    .menu-toggle {
        display: block;
        opacity: 0;
        position: absolute;
    }
    
    .menu-icon {
        display: block;
        z-index: 2;
    }
    
    .menu-toggle:checked ~ .nav-links {
        left: 0;
    }
    
    .menu-toggle:checked ~ .menu-icon span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle:checked ~ .menu-icon span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle:checked ~ .menu-icon span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-content p {
        margin: 0 0 var(--spacing-md) 0;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .thank-you-buttons {
        flex-direction: column;
    }
}