/* Base Styles and Reset */
:root {
    --primary-color: #4a6bff;
    --primary-dark: #3850cc;
    --secondary-color: #ff6b4a;
    --text-color: #333;
    --light-text: #666;
    --bg-light: #f9f9f9;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --gradient-start: #4a6bff;
    --gradient-end: #6b4aff;
    --border-radius: 8px;
    --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
    font-display: swap;
}

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

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.3;
    color: var(--text-color);
    font-weight: 700;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.8rem);
}

p {
    margin-bottom: 1.5rem;
}

/* Header Styles */
header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

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

.cta-button {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-block;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(74, 107, 255, 0.2);
}

.cta-button:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 7px 14px rgba(74, 107, 255, 0.25);
}

.language-selector {
    margin-left: 1.5rem;
    position: relative;
    cursor: pointer;
}

.current-language {
    display: flex;
    align-items: center;
    font-weight: 600;
}

.current-language img {
    margin-right: 5px;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.language-selector.active .language-dropdown,
.language-selector:focus .language-dropdown,
.language-selector:focus-within .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    transition: var(--transition);
}

.language-option:hover {
    background-color: var(--bg-light);
}

.language-option img {
    margin-right: 10px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 100;
}

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

.mobile-menu {
    display: none;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.gradient-bg {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
}

.gradient-bg h1, 
.gradient-bg h2, 
.gradient-bg h3 {
    color: white;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

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

/* Section Styles */
section {
    padding: 5rem 0;
}

.light-bg {
    background-color: var(--bg-light);
}

.info-cards, .choose-content, .methodology-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card, .choose-card, .methodology-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card:hover, .choose-card:hover, .methodology-card:hover {
    transform: translateY(-5px);
}

/* Provider Cards */
.providers-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.provider-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
}

.provider-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.provider-logo {
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.provider-card h3 {
    margin-bottom: 1rem;
}

.provider-card p {
    margin-bottom: 1.5rem;
}

.provider-card .cta-button {
    margin-top: auto;
}

/* Compare Section */
.section-content, .savings-content {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 2rem;
}

.image-container, .text-content, .savings-text, .savings-image {
    flex: 1;
    min-width: 300px;
}

.image-container img, .savings-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* FAQ Section */
.faq-list {
    margin-top: 2rem;
}

details {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

summary {
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    position: relative;
    outline: none;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    transition: var(--transition);
}

details[open] summary::after {
    content: '-';
}

details p {
    padding: 0 1.5rem 1.5rem;
}

/* ZIP Search Forms */
.search-container {
    margin: 2rem 0;
}

.centered-search {
    text-align: center;
    max-width: 500px;
    margin: 2rem auto;
}

.zip-search-form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.zip-input {
    flex: 1;
    min-width: 200px;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.zip-input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.search-button {
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.search-progress {
    display: none;
    margin-top: 1.5rem;
    text-align: center;
}

.search-message, .success-message {
    margin-bottom: 1rem;
    font-weight: 600;
}

.success-message {
    display: none;
    color: var(--success-color);
}

.company-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
}

.loader {
    border: 5px solid var(--bg-light);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 1rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-nav a {
    color: white;
    opacity: 0.8;
}

.footer-nav a:hover {
    opacity: 1;
}

.footer-disclaimer {
    font-size: 0.875rem;
    opacity: 0.7;
    line-height: 1.5;
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: var(--bg-white);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 400px;
    z-index: 1000;
    font-size: 0.875rem;
}

.cookie-notice p {
    margin-bottom: 0;
}

.cookie-notice button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
}

.cookie-notice button:hover {
    background-color: var(--primary-dark);
}

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

.card, .choose-card, .methodology-card, .provider-card {
    animation: fadeIn 0.6s ease-out forwards;
}

.card:nth-child(2), .choose-card:nth-child(2), .methodology-card:nth-child(2) {
    animation-delay: 0.1s;
}

/* Media Queries */
@media (max-width: 992px) {
    .hero .container, 
    .section-content, 
    .savings-content {
        flex-direction: column;
    }
    
    .hero-image {
        justify-content: center;
        margin-top: 2rem;
    }
    
    .image-container, 
    .text-content, 
    .savings-text, 
    .savings-image {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu {
        display: block;
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-white);
        padding: 5rem 2rem 2rem;
        box-shadow: -5px 0 15px var(--shadow-color);
        transform: translateX(100%);
        transition: var(--transition);
        z-index: 99;
    }
    
    .mobile-menu.active {
        transform: translateX(0);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .mobile-cta {
        display: block;
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .mobile-language-selector {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
    
    .language-option {
        padding: 0.75rem;
        border-radius: var(--border-radius);
        background-color: var(--bg-light);
    }
    
    .language-option.active {
        background-color: var(--primary-color);
        color: white;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .card, .choose-card, .methodology-card, .provider-card {
        padding: 1.5rem;
    }
    
    .cookie-notice {
        flex-direction: column;
        align-items: flex-start;
        left: 10px;
        right: 10px;
        max-width: calc(100% - 20px);
    }
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus states for better accessibility */
a:focus, button:focus, input:focus, summary:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode */
@media (forced-colors: active) {
    .cta-button,
    .search-button {
        border: 2px solid currentColor;
    }
}