/* 
   ClearBalance Audits - Main Stylesheet
   Mobile-first, responsive design with CSS Grid and Flexbox
*/

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Variables */
    --dark-blue: #0B1F3A;
    --medium-blue: #173A5E;
    --lime: #C9FF3E;
    --light-gray: #E1E1E1;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Open Sans', sans-serif;
    
    /* Spacing */
    --section-spacing: 5rem;
    --element-spacing: 2rem;
}

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Open+Sans:wght@400;600&display=swap');

html {
    font-size: 62.5%; /* 10px = 1rem */
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--light-gray);
    background-color: var(--dark-blue);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--white);
}

h1 {
    font-size: 3.6rem;
}

h2 {
    font-size: 3rem;
    position: relative;
    padding-bottom: 1.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 8rem;
    height: 0.4rem;
    background-color: var(--lime);
}

h3 {
    font-size: 2.4rem;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--lime);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

/* Button Styles */
.button, 
button,
input[type="submit"] {
    display: inline-block;
    padding: 1.2rem 2.4rem;
    background-color: var(--lime);
    color: var(--dark-blue);
    font-family: var(--heading-font);
    font-weight: 600;
    font-size: 1.6rem;
    text-transform: uppercase;
    border: none;
    border-radius: 0.4rem;
    cursor: pointer;
    box-shadow: 0 0.4rem 0.8rem var(--shadow);
    transition: all 0.3s ease;
}

.button:hover, 
button:hover,
input[type="submit"]:hover {
    background-color: var(--white);
    transform: translateY(-0.3rem);
    box-shadow: 0 0.5rem 1rem var(--shadow);
}

.cta-button {
    background-color: var(--lime);
    color: var(--dark-blue);
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 0.4rem;
}

.cta-button:hover {
    background-color: var(--white);
    color: var(--dark-blue);
}

/* Header and Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--dark-blue);
    padding: 2rem 0;
    z-index: 1000;
    box-shadow: 0 0.2rem 1rem rgba(0, 0, 0, 0.1);
}

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

.logo img {
    height: 4rem;
}

.main-nav ul {
    display: none; /* Hidden on mobile, shown with CSS later */
    list-style: none;
}

/* Mobile menu toggle (CSS-only approach) */
.menu-toggle {
    display: block;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 2.5rem;
    height: 0.3rem;
    margin-bottom: 0.5rem;
    background-color: var(--white);
    transition: all 0.3s ease;
}

.main-nav {
    position: relative;
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
    
    .main-nav ul {
        display: flex;
        gap: 2rem;
    }
    
    .main-nav li a {
        color: var(--light-gray);
        font-weight: 600;
        padding: 0.8rem 1.2rem;
        transition: all 0.3s ease;
    }
    
    .main-nav li a:hover {
        color: var(--lime);
    }
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(to right, rgba(11, 31, 58, 0.8), rgba(23, 58, 94, 0.8)), url('../img/lhW3HG.jpg') no-repeat center center / cover;
    margin-top: 8rem; /* Account for fixed header */
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    font-size: 4.2rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
}

.hero p {
    font-size: 1.8rem;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.7s;
}

.hero .button {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.9s;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.about-image {
    border-radius: 0.8rem;
    overflow: hidden;
    box-shadow: 0 1rem 2rem var(--shadow);
}

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

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Benefits Section */
.benefits {
    background: linear-gradient(135deg, var(--dark-blue), var(--medium-blue));
    text-align: center;
}

.benefits h2 {
    margin-left: auto;
    margin-right: auto;
}

.benefits h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-top: 5rem;
}

.benefit-item {
    padding: 3rem 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 0.8rem;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-1rem);
    background-color: rgba(255, 255, 255, 0.1);
}

.benefit-icon {
    width: 6rem;
    height: 6rem;
    margin: 0 auto 2rem;
    background-color: var(--lime);
    color: var(--dark-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Services Section */
.services {
    background-color: var(--dark-blue);
}

.services h2 {
    text-align: center;
}

.services h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.services-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.service-card {
    background: linear-gradient(to bottom right, var(--medium-blue), var(--dark-blue));
    border-radius: 0.8rem;
    overflow: hidden;
    box-shadow: 0 0.5rem 1.5rem var(--shadow);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-1rem);
    box-shadow: 0 1rem 2rem var(--shadow);
}

.service-content {
    padding: 3rem;
}

.service-title {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.service-price {
    font-size: 3rem;
    color: var(--lime);
    margin-bottom: 2rem;
    font-weight: 700;
}

.service-features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.service-features li {
    margin-bottom: 1rem;
    padding-left: 2.5rem;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--lime);
    font-weight: 700;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Testimonials Section */
.testimonials {
    background: linear-gradient(135deg, var(--medium-blue), var(--dark-blue));
    text-align: center;
}

.testimonials h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 5rem auto 0;
    overflow: hidden;
}

.testimonial-slide {
    padding: 4rem 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 0.8rem;
    margin: 0 2rem;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: opacity 0.5s ease;
}

.testimonial-slide.active {
    opacity: 1;
    position: relative;
}

.testimonial-quote {
    font-size: 2rem;
    font-style: italic;
    margin-bottom: 2rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--lime);
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.testimonial-dot {
    width: 1.2rem;
    height: 1.2rem;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    margin: 0 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.testimonial-dot.active {
    background-color: var(--lime);
}

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

.faq h2 {
    text-align: center;
}

.faq h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.faq-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 5rem;
}

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

.accordion-item {
    display: flex;
    /* width: 100%; */
    margin-bottom: 1.5rem;
    border-radius: 0.4rem;
    overflow: hidden;
    flex-direction: column;
}

.accordion-header {
    background-color: var(--medium-blue);
    padding: 1.5rem 2rem;
    cursor: pointer;
    position: relative;
}

.accordion-header h3 {
    margin: 0;
    font-size: 1.8rem;
}

.accordion-header::after {
    content: '+';
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.4rem;
    color: var(--lime);
    transition: all 0.3s ease;
}

.accordion-content {
    background-color: rgba(255, 255, 255, 0.05);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content-inner {
    padding: 2rem;
}

/* CSS-only accordion */
.accordion-item input {
    display: none;
}

.accordion-item input:checked ~ .accordion-content {
    max-height: 500px; /* Arbitrary large value */
}

.accordion-item input:checked ~ .accordion-header::after {
    content: '−';
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--dark-blue), var(--medium-blue));
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.contact-info h2 {
    text-align: left;
}

.contact-info-list {
    list-style: none;
    margin-bottom: 3rem;
}

.contact-info-list li {
    margin-bottom: 1.5rem;
    padding-left: 3rem;
    position: relative;
}

.contact-info-list li::before {
    position: absolute;
    left: 0;
    color: var(--lime);
    font-weight: 700;
}

.contact-info-list li.address::before {
    content: '📍';
}

.contact-info-list li.phone::before {
    content: '📞';
}

.contact-info-list li.email::before {
    content: '📧';
}

.contact-map {
    border-radius: 0.8rem;
    overflow: hidden;
    height: 300px;
}

.contact-form {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 0.8rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 1.2rem;
    background-color: #0b1f3a;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.4rem;
    color: var(--white);
    font-family: var(--body-font);
    font-size: 1.6rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--lime);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.2rem center;
    padding-right: 3rem;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.checkbox-group input {
    margin-top: 0.4rem;
    margin-right: 1rem;
}

.form-button {
    width: 100%;
    margin-top: 1rem;
}

.form-errors {
    background-color: rgba(255, 87, 87, 0.2);
    border-left: 4px solid rgba(255, 87, 87);
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    border-radius: 0 0.4rem 0.4rem 0;
}

.form-errors ul {
    list-style: none;
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Footer */
.main-footer {
    background-color: var(--dark-blue);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-info {
    max-width: 400px;
}

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

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--light-gray);
    transition: all 0.3s ease;
}

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    background-color: var(--dark-blue);
    border-radius: 0.8rem;
    box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.3);
    z-index: 9999;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
    animation-delay: 1s;
}

.cookie-content {
    padding: 2rem;
}

.cookie-content h3 {
    margin-bottom: 1rem;
}

.cookie-content p {
    margin-bottom: 2rem;
}

.cookie-accept {
    margin-right: 1rem;
}

.cookie-more {
    color: var(--light-gray);
    text-decoration: underline;
}

@media (min-width: 768px) {
    .cookie-popup {
        max-width: 400px;
        left: 2rem;
        right: auto;
    }
}

/* Animation Keyframes */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Media Queries for Responsive Design */
@media (min-width: 576px) {
    h1 {
        font-size: 4.2rem;
    }
    
    h2 {
        font-size: 3.6rem;
    }
    
    h3 {
        font-size: 2.8rem;
    }
}

@media (min-width: 992px) {
    h1 {
        font-size: 5rem;
    }
    
    h2 {
        font-size: 4.2rem;
    }
    
    .container {
        width: 85%;
    }
}

@media (min-width: 1200px) {
    .container {
        width: 80%;
    }
}