/* 
 * FinAudit - Main Stylesheet
 * Developed for financial audit website
 */

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

:root {
    /* Color palette */
    --color-primary: #00B39F;     /* Jade */
    --color-accent: #F9D342;      /* Bright yellow */
    --color-secondary: #1A1F71;   /* Dark indigo */
    --color-bg: #FAF9F6;          /* Ivory */
    --color-text: #2D2D2D;        /* Anthracite */
    
    /* Shades and tints */
    --color-primary-light: rgba(0, 179, 159, 0.1);
    --color-accent-light: rgba(249, 211, 66, 0.2);
    --color-secondary-light: rgba(26, 31, 113, 0.1);
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    
    /* Borders & Shadows */
    --border-radius: 2rem;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Typography */
@font-face {
    font-family: 'Montserrat';
    src: url('../fonts/montserrat-v25-latin-regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Montserrat';
    src: url('../fonts/montserrat-v25-latin-700.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 4.5rem;
}

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

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 80px;
    height: 3px;
    background-color: var(--color-primary);
}

h3 {
    font-size: 1.5rem;
}

p, ul, ol {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--color-secondary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 0.9rem;
}

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

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

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

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

/* ===== HEADER & NAVIGATION ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: 0.5rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo svg {
    width: 120px;
    height: auto;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
}

.main-nav li {
    margin: 0 1rem;
}

.main-nav a {
    display: inline-block;
    padding: 0.5rem 0;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-text);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.main-nav a:hover::after,
.main-nav .active a::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: var(--spacing-xl) 0;
    color: white;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(26, 31, 113, 0.9), rgba(0, 179, 159, 0.7));
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    padding: var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
}

.hero h1 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-lg) 0;
    background-color: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-content h3 {
    margin-top: var(--spacing-md);
}

.about-content h3:first-child {
    margin-top: 0;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg);
}

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

.service-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    display: flex;
    flex-direction: column;
}

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

.service-icon {
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.service-card .btn {
    align-self: flex-start;
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: var(--spacing-lg) 0;
    background-color: white;
}

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

.pricing-card {
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-medium);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: var(--box-shadow-hover);
    border: 2px solid var(--color-primary);
    z-index: 2;
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-header {
    background-color: var(--color-secondary);
    color: white;
    padding: var(--spacing-md);
    text-align: center;
}

.pricing-card.featured .pricing-header {
    background-color: var(--color-primary);
}

.pricing-header h3 {
    color: white;
    margin-bottom: var(--spacing-xs);
}

.price {
    font-size: 2rem;
    font-weight: 700;
}

.pricing-features {
    padding: var(--spacing-md);
    flex-grow: 1;
}

.pricing-features ul {
    list-style-type: none;
}

.pricing-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    padding-left: 1.5rem;
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.pricing-card .btn {
    margin: var(--spacing-md);
    align-self: center;
}

/* ===== WHY US SECTION ===== */
.why-us {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg);
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

.why-us-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.why-us-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.why-us-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.why-us-icon {
    flex-shrink: 0;
}

.why-us-item h3 {
    margin-bottom: 0.5rem;
}

/* ===== PROCESS SECTION ===== */
.process {
    padding: var(--spacing-lg) 0;
    background-color: white;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

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

.process-icon {
    margin: 0 auto var(--spacing-sm);
}

.process-step h3 {
    margin-bottom: var(--spacing-sm);
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    align-items: start;
}

.contact-info {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.contact-details {
    padding: var(--spacing-md);
}

.contact-details h3 {
    margin-bottom: var(--spacing-sm);
}

.contact-form {
    background-color: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    border: 2px solid var(--color-primary);
    background: linear-gradient(145deg, white, rgba(0, 179, 159, 0.05));
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--color-secondary);
}

input, select, textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 0.5rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    background-color: white;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-check {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.form-check input {
    width: auto;
    margin-right: 0.5rem;
    margin-top: 0.25rem;
}

/* ===== THANK YOU & ERROR PAGES ===== */
.thank-you,
.contact-error {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.thank-you-content,
.error-content {
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.thank-you-icon,
.error-icon {
    margin: 0 auto var(--spacing-md);
    width: 80px;
}

.contact-alternatives {
    margin: var(--spacing-md) 0;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ===== FOOTER ===== */
.site-footer {
    background-color: var(--color-secondary);
    color: white;
    padding: var(--spacing-md) 0 0;
}

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

.footer-about p {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
}

.footer-logo {
    margin-bottom: var(--spacing-sm);
}

.footer-contact,
.footer-links,
.footer-legal {
    font-size: 0.9rem;
}

.site-footer h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

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

.site-footer li {
    margin-bottom: 0.5rem;
}

.site-footer a {
    color: var(--color-accent);
    transition: color var(--transition-fast);
}

.site-footer a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding: var(--spacing-sm) 0;
    font-size: 0.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== COOKIE CONSENT ===== */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(45, 45, 45, 0.95);
    color: white;
    padding: var(--spacing-sm);
    display: none;
    z-index: 9999;
    transform: translateY(100%);
    opacity: 0;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.cookie-consent.active {
    transform: translateY(0);
    opacity: 1;
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.cookie-content p {
    margin: 0;
    padding-right: var(--spacing-md);
    font-size: 0.9rem;
}

.cookie-content a {
    color: var(--color-accent);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1440px) {
    html {
        font-size: 15px;
    }
}

@media (max-width: 1024px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md) var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 4rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .hero {
        padding: var(--spacing-md) 0;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .about-grid,
    .services-grid,
    .pricing-grid,
    .why-us-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .main-nav {
        position: fixed;
        top: 4.5rem;
        left: -100%;
        width: 100%;
        background-color: var(--color-bg);
        box-shadow: var(--box-shadow);
        transition: left var(--transition-medium);
        height: calc(100vh - 4.5rem);
        overflow-y: auto;
        z-index: 1000;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: var(--spacing-sm);
    }
    
    .main-nav li {
        margin: 0;
    }
    
    .main-nav a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:first-child {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:last-child {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .cookie-content {
        flex-direction: column;
    }
    
    .cookie-content p {
        margin-bottom: var(--spacing-sm);
        padding-right: 0;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 3.5rem;
    }
    
    .site-header {
        padding: 0.3rem 0;
    }
    
    .logo svg {
        width: 100px;
    }
    
    .mobile-menu-toggle {
        width: 24px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.4rem;
    }
    
    .hero {
        padding: var(--spacing-sm) 0;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .btn {
        display: block;
        width: 100%;
    }
    
    .error-actions {
        flex-direction: column;
    }
}