/**
 * Main stylesheet for Velionthariva financial audit website
 * Author: Senior Full-stack Developer
 * Date: 2023
 */

/* ---------- Base Styles ---------- */
:root {
    /* Color palette */
    --color-bg: #0F0E17;
    --color-accent: #FF8906;
    --color-block-bg: #E53170;
    --color-text: #FFFFFE;
    --color-button-gradient-start: #FFD6A5;
    --color-button-gradient-end: #FF8FAB;
    --color-hover: #A7C957;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacings */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

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

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

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) 0;
}

section {
    padding: var(--spacing-lg) 0;
    scroll-margin-top: 80px; /* Fix for header overlapping anchors */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
}

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

.button, button {
    display: inline-block;
    background: linear-gradient(to right, var(--color-button-gradient-start), var(--color-button-gradient-end));
    color: var(--color-bg);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast);
    text-align: center;
}

.button:hover, button:hover {
    transform: translateY(-3px);
}

/* ---------- Header & Navigation ---------- */
.site-header {
    background-color: var(--color-bg);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

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

.logo h1 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 0;
}

.main-navigation .menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
}

.main-navigation .menu li a {
    padding: 0.5rem;
    position: relative;
}

.main-navigation .menu li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: width var(--transition-medium);
}

.main-navigation .menu li a:hover::after {
    width: 100%;
}

.cta-button {
    background: linear-gradient(to right, var(--color-button-gradient-start), var(--color-button-gradient-end));
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--color-bg);
    font-weight: 600;
}

.cta-button:hover {
    color: var(--color-bg);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.mobile-menu-toggle .bar {
    height: 3px;
    width: 100%;
    background-color: var(--color-text);
    border-radius: 10px;
    transition: all var(--transition-medium);
}

/* ---------- Hero Section ---------- */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(15, 14, 23, 0.8), rgba(15, 14, 23, 0.9)), url('../img/u20Z1v.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1.2s ease;
}

.hero .button {
    font-size: 1.1rem;
    padding: 1rem 2rem;
    animation: fadeInUp 1.4s ease;
}

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

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

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

.about-text {
    flex: 1 1 500px;
}

.about-image {
    flex: 1 1 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image img {
    transition: transform var(--transition-medium);
}

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

/* ---------- Services Section ---------- */
.services {
    background-color: var(--color-bg);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom right, var(--color-accent), transparent);
    opacity: 0.3;
}

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

.service-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: transform var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--color-button-gradient-start), var(--color-button-gradient-end));
    top: 0;
    left: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
}

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

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

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-block-bg);
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
}

/* ---------- Advantages Section ---------- */
.advantages {
    background-color: var(--color-bg);
    position: relative;
}

.advantages::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top left, var(--color-block-bg), transparent);
    opacity: 0.3;
}

.advantages-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.advantage-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-sm);
    transition: transform var(--transition-medium);
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to right, var(--color-button-gradient-start), var(--color-button-gradient-end));
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
}

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

.testimonials-container {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    justify-content: center; /* Center the testimonial cards */
}

.testimonial-card {
    flex: 0 0 300px;
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    scroll-snap-align: start;
}

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

.testimonial-quote::before {
    content: '"';
    font-size: 2rem;
    position: absolute;
    left: -10px;
    top: -10px;
    color: var(--color-accent);
}

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

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: var(--spacing-sm);
}

/* ---------- CTA Section ---------- */
.cta {
    background-color: var(--color-block-bg);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

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

.cta h2 {
    color: var(--color-text);
}

.cta .button {
    margin-top: var(--spacing-md);
    font-size: 1.1rem;
    padding: 1rem 2rem;
}

/* ---------- FAQ Section ---------- */
.faq {
    background-color: var(--color-bg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: var(--spacing-md);
}

.faq-question {
    font-weight: 600;
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-right: 30px;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.5rem;
    transition: transform var(--transition-medium);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

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

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

/* ---------- Blog Section ---------- */
.blog {
    background-color: var(--color-bg);
}

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

.blog-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-medium);
}

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

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: var(--spacing-md);
}

.blog-date {
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.blog-title {
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.blog-excerpt {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.blog-link {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
}

/* ---------- Footer ---------- */
.site-footer {
    background-color: rgba(0, 0, 0, 0.3);
    padding-top: var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-info .logo {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-contact ul, .footer-links ul {
    list-style: none;
}

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

.footer-bottom {
    text-align: center;
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ---------- Contact Form ---------- */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.form-input, .form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.form-select option {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.form-input:focus::placeholder {
    transform: translateY(-10px);
    opacity: 0;
}

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

.checkbox-group input {
    margin-right: var(--spacing-xs);
    margin-top: 5px;
}

/* ---------- Cookie Popup ---------- */
.cookie-popup {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
    z-index: 999;
    transition: bottom var(--transition-medium);
}

.cookie-popup.show {
    bottom: 0;
}

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

.cookie-content h3 {
    margin-bottom: var(--spacing-xs);
}

.cookie-content p {
    margin-right: var(--spacing-md);
    margin-bottom: 0;
    flex: 1;
}

/* ---------- Policy Pages ---------- */
.policy-content {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.policy-content h2 {
    text-align: left;
}

.policy-content h3 {
    margin-top: var(--spacing-lg);
}

/* ---------- Thank You Page ---------- */
.thank-you {
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) 0;
}

.thank-you-content {
    max-width: 600px;
    width: 90%;
    margin: 0 auto;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    top: 50%;
    transform: translateY(-10%);
}

.thank-you-icon {
    font-size: 5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

/* ---------- Media Queries ---------- */
@media (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: var(--spacing-md) 0;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-navigation .menu {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 250px;
        flex-direction: column;
        background-color: var(--color-bg);
        padding: var(--spacing-lg) var(--spacing-md);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
        transition: right var(--transition-medium);
        z-index: 99;
    }
    
    .main-navigation .menu.menu-open {
        right: 0;
    }
    
    .testimonials-container {
        scroll-padding-left: var(--spacing-md);
    }
    
    .testimonial-card {
        flex: 0 0 85%;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero {
        min-height: 60vh;
    }
    
    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cookie-content button {
        width: 100%;
    }
}