@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Roboto:wght@400;500;700&display=swap');

:root {
    --43i-primary: #334155; /* Slate 800 */
    --43i-secondary: #1e293b; /* Slate 900 */
    --43i-accent: #22d3ee; /* Cyan 400 */
    --43i-background: #f8fafc; /* Slate 50 */
    --43i-text: #0f172a; /* Slate 950 */
    --43i-muted: #cbd5e1; /* Slate 300 */
    --43i-success: #10b981; /* Green 500 */
    --43i-error: #ef4444; /* Red 500 */

    --ui-font-heading: 'Roboto', sans-serif;
    --ui-font-body: 'Inter', sans-serif;

    --ui-border-radius-sm: 4px;
    --ui-border-radius-md: 8px;
    --ui-border-radius-lg: 12px;

    --ui-transition-timing: all 0.3s ease;
}

/* Base Reset & Global Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--ui-font-body);
    line-height: 1.6;
    color: var(--43i-text);
    background-color: var(--43i-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--43i-accent);
    color: var(--43i-secondary);
}

a {
    color: var(--43i-primary);
    text-decoration: none;
    transition: var(--ui-transition-timing);
}

a:hover {
    color: var(--43i-accent);
    text-decoration: underline;
}

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

/* Utility Classes */
.ui-container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.ui-grid {
    display: grid;
    gap: 1.5rem;
}

.ui-flex {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.ui-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--ui-font-heading);
    color: var(--43i-primary);
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.05em;
}

h2 {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
}

h3 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.03em;
}

h4 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

h5 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 500;
}

h6 {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--43i-accent);
}

p {
    margin-bottom: 1em;
}

/* Section Spacing */
.ui-section {
    padding: 5rem 0;
}

.ui-section:nth-of-type(even) {
    background-color: rgba(var(--43i-primary-rgb), 0.03);
}

/* Buttons */
.ui-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: var(--ui-border-radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--ui-transition-timing);
    border: 2px solid transparent;
    white-space: nowrap;
}

.ui-btn-primary {
    background-color: var(--43i-accent);
    color: var(--43i-secondary);
    border-color: var(--43i-accent);
}

.ui-btn-primary:hover, .ui-btn-primary:focus {
    background-color: #16badd;
    border-color: #16badd;
    box-shadow: 0 4px 15px rgba(34, 211, 238, 0.4);
    transform: translateY(-2px);
}

.ui-btn-secondary {
    background-color: var(--43i-primary);
    color: var(--43i-background);
    border-color: var(--43i-primary);
}

.ui-btn-secondary:hover, .ui-btn-secondary:focus {
    background-color: var(--43i-secondary);
    border-color: var(--43i-secondary);
    box-shadow: 0 4px 15px rgba(51, 65, 85, 0.4);
    transform: translateY(-2px);
}

.ui-btn-outline {
    background-color: transparent;
    color: var(--43i-primary);
    border-color: var(--43i-primary);
}

.ui-btn-outline:hover, .ui-btn-outline:focus {
    color: var(--43i-accent);
    border-color: var(--43i-accent);
    box-shadow: 0 4px 15px rgba(34, 211, 238, 0.1);
    transform: translateY(-2px);
}

/* Header & Navigation */
.ui-header {
    background-color: var(--43i-secondary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.ui-logo {
    font-family: var(--ui-font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--43i-background);
}

.ui-logo .ui-accent-text {
    color: var(--43i-accent);
}

.ui-nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.ui-nav-menu a {
    color: var(--43i-muted);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.ui-nav-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--43i-accent);
    transition: var(--ui-transition-timing);
}

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

.ui-nav-menu a:hover, .ui-nav-menu a.ui-active {
    color: var(--43i-accent);
}

.ui-cta-nav {
    margin-left: 2rem;
}

.ui-hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.ui-hamburger .ui-line {
    width: 25px;
    height: 3px;
    background-color: var(--43i-accent);
    transition: var(--ui-transition-timing);
}

/* Mobile Navigation */
.ui-mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 41, 59, 0.95); /* Semi-transparent secondary color */
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.ui-mobile-nav-overlay.ui-active {
    opacity: 1;
    visibility: visible;
}

.ui-mobile-nav-overlay .ui-nav-menu {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
}

.ui-mobile-nav-overlay .ui-nav-menu a {
    font-size: 1.8rem;
    color: var(--43i-background);
}

.ui-mobile-nav-overlay .ui-cta-nav {
    margin-top: 2rem;
    margin-left: 0;
}

.ui-close-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2.5rem;
    color: var(--43i-background);
    cursor: pointer;
    transition: var(--ui-transition-timing);
}

.ui-close-btn:hover {
    color: var(--43i-accent);
    transform: rotate(90deg);
}

/* Hero Section */
.ui-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--43i-background);
    background-color: var(--43i-primary);
    overflow: hidden;
    text-align: center;
}

.ui-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.ui-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--43i-secondary) 0%, rgba(30, 41, 59, 0.6) 100%);
    z-index: 2;
}

.ui-hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 2rem;
}

.ui-hero h1 {
    color: var(--43i-background);
    margin-bottom: 1rem;
}

.ui-hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Card Components */
.ui-card {
    background-color: var(--43i-background);
    border-radius: var(--ui-border-radius-lg);
    box-shadow: 0 5px 20px rgba(var(--43i-primary-rgb), 0.08);
    padding: 2rem;
    transition: var(--ui-transition-timing);
    display: flex;
    flex-direction: column;
}

.ui-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(var(--43i-primary-rgb), 0.15);
}

.ui-card-icon {
    color: var(--43i-accent);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.ui-card h3 {
    color: var(--43i-primary);
    margin-bottom: 0.75rem;
}

.ui-card p {
    color: var(--43i-text);
    flex-grow: 1;
}

/* Trust Indicators */
.ui-trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    text-align: center;
}

.ui-trust-item {
    background-color: var(--43i-muted);
    padding: 1.5rem;
    border-radius: var(--ui-border-radius-md);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.ui-trust-item i {
    font-size: 2.5rem;
    color: var(--43i-primary);
    margin-bottom: 0.75rem;
}

.ui-trust-item span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--43i-secondary);
}

/* Form Styling */
.ui-form-group {
    margin-bottom: 1.5rem;
}

.ui-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--43i-primary);
}

.ui-form-group input[type='text'],
.ui-form-group input[type='email'],
.ui-form-group input[type='tel'],
.ui-form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--43i-muted);
    border-radius: var(--ui-border-radius-md);
    font-family: var(--ui-font-body);
    font-size: 1rem;
    color: var(--43i-text);
    background-color: var(--43i-background);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.ui-form-group input:focus,
.ui-form-group textarea:focus {
    outline: none;
    border-color: var(--43i-accent);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

.ui-form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.ui-form-message {
    padding: 1rem;
    margin-top: 1rem;
    border-radius: var(--ui-border-radius-md);
    font-weight: 500;
    display: none;
}

.ui-form-message.success {
    background-color: #d1fae5; /* Green 100 */
    color: var(--43i-success);
}

.ui-form-message.error {
    background-color: #fee2e2; /* Red 100 */
    color: var(--43i-error);
}

/* FAQ Accordion */
.ui-faq-container {
    max-width: 900px;
    margin: 3rem auto 0;
}

.ui-faq-item {
    background-color: var(--43i-background);
    border: 1px solid var(--43i-muted);
    border-radius: var(--ui-border-radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.ui-faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
    font-weight: 600;
    color: var(--43i-primary);
    cursor: pointer;
    user-select: none;
    background-color: var(--43i-background);
    transition: background-color 0.3s ease;
}

.ui-faq-q:hover {
    background-color: var(--43i-muted);
}

.ui-faq-q .ui-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.ui-faq-item.active .ui-faq-q .ui-icon {
    transform: rotate(180deg);
}

.ui-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.5rem;
}

.ui-faq-item.active .ui-faq-a {
    max-height: 500px; /* Adjust based on content */
    padding: 1rem 1.5rem 1.5rem;
}

.ui-faq-a p {
    font-size: 0.95rem;
    color: var(--43i-text);
    margin-bottom: 0;
}

/* CTA Gradient Section */
.ui-cta-gradient {
    background: linear-gradient(135deg, var(--43i-primary) 0%, var(--43i-secondary) 100%);
    color: var(--43i-background);
    text-align: center;
    padding: 4rem 0;
    border-radius: var(--ui-border-radius-lg);
    margin: 4rem auto;
    max-width: 1000px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.ui-cta-gradient h2 {
    color: var(--43i-background);
    margin-bottom: 1rem;
}

.ui-cta-gradient p {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.ui-footer {
    background-color: var(--43i-secondary);
    color: var(--43i-muted);
    padding: 4rem 0;
    font-size: 0.9rem;
}

.ui-footer .ui-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.ui-footer-col h4 {
    color: var(--43i-background);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.ui-footer-col p,
.ui-footer-col address {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.ui-footer-col ul {
    list-style: none;
}

.ui-footer-col ul li {
    margin-bottom: 0.8rem;
}

.ui-footer-col ul li a {
    color: var(--43i-muted);
}

.ui-footer-col ul li a:hover {
    color: var(--43i-accent);
    text-decoration: none;
}

.ui-social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.ui-social-links a {
    color: var(--43i-muted);
    font-size: 1.5rem;
}

.ui-social-links a:hover {
    color: var(--43i-accent);
}

.ui-newsletter-form {
    display: flex;
    margin-top: 1rem;
}

.ui-newsletter-form input[type="email"] {
    flex-grow: 1;
    padding: 0.7rem 1rem;
    border: 1px solid var(--43i-primary);
    border-radius: var(--ui-border-radius-md) 0 0 var(--ui-border-radius-md);
    background-color: var(--43i-primary);
    color: var(--43i-background);
    font-family: var(--ui-font-body);
}

.ui-newsletter-form input[type="email"]::placeholder {
    color: rgba(var(--43i-muted-rgb), 0.7);
}

.ui-newsletter-form button {
    padding: 0.7rem 1rem;
    background-color: var(--43i-accent);
    color: var(--43i-secondary);
    border: none;
    border-radius: 0 var(--ui-border-radius-md) var(--ui-border-radius-md) 0;
    cursor: pointer;
    transition: var(--ui-transition-timing);
    font-weight: 600;
}

.ui-newsletter-form button:hover {
    background-color: #16badd;
}

.ui-footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--43i-primary);
    color: var(--43i-muted);
}

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

.ui-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.ui-animate.ui-fade-in-up {
    animation: fadeInUp 0.8s forwards;
}

.ui-animate.ui-fade-in-up.ui-active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .ui-nav-menu {
        gap: 1.5rem;
    }

    .ui-header .ui-container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .ui-hero-content {
        padding: 1.5rem;
    }

    .ui-section {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    .ui-nav-menu, .ui-cta-nav {
        display: none;
    }

    .ui-hamburger {
        display: flex;
    }

    .ui-hero h1 {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .ui-hero p {
        font-size: 1rem;
    }

    .ui-grid {
        grid-template-columns: 1fr;
    }

    .ui-trust-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .ui-footer .ui-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .ui-social-links {
        justify-content: center;
    }

    .ui-newsletter-form {
        justify-content: center;
    }

    .ui-footer-col address, .ui-footer-col p {
        margin-left: auto;
        margin-right: auto;
    }

    .ui-footer-col ul {
        max-width: 200px;
        margin-left: auto;
        margin-right: auto;
    }

    .ui-faq-q, .ui-faq-a {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 480px) {
    .ui-header {
        padding: 0.8rem 0;
    }

    .ui-logo {
        font-size: 1.5rem;
    }

    .ui-hero {
        min-height: 70vh;
        padding: 2rem 0;
    }

    .ui-hero h1 {
        font-size: 2.2rem;
    }

    .ui-hero p {
        font-size: 0.95rem;
    }

    .ui-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .ui-section {
        padding: 3rem 0;
    }

    .ui-card {
        padding: 1.5rem;
    }

    .ui-form-group input, .ui-form-group textarea {
        padding: 0.7rem 0.8rem;
    }

    .ui-footer {
        padding: 3rem 0;
    }

    .ui-footer-bottom {
        padding-top: 1.5rem;
        margin-top: 1.5rem;
    }
}