/* Base Reset and Global Styles */
:root {
    /* Colors */
    --primary-blue: #1A73E8; /* Modern, vibrant blue */
    --secondary-blue: #E8F0FE; /* Very light blue for backgrounds */
    --accent-green: #34A853; /* Fresh green for highlights/CTA */
    --dark-text: #202124; /* Near black for main text */
    --light-text: #5F6368; /* Dark grey for secondary text */
    --white: #FFFFFF;
    --bg-light: #F8F9FA; /* Subtle light grey background */
    --border-color: #E0E0E0;
    --shadow-light: rgba(0, 0, 0, 0.04);
    --shadow-medium: rgba(0, 0, 0, 0.08);
    --shadow-strong: rgba(0, 0, 0, 0.15);

    /* Spacing Scale (8pt grid) */
    --space-xs: 0.5rem;   /* 8px */
    --space-sm: 1rem;     /* 16px */
    --space-md: 1.5rem;   /* 24px */
    --space-lg: 2rem;     /* 32px */
    --space-xl: 3rem;     /* 48px */
    --space-2xl: 4rem;    /* 64px */
    --space-3xl: 5rem;    /* 80px */
    --space-4xl: 6rem;    /* 96px */

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-speed: 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
    overflow: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-text);
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: var(--space-sm);
    font-weight: 700;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 3.8rem); /* Fluid H1 */
    font-weight: 700;
    margin-bottom: var(--space-md);
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem); /* Fluid H2 */
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

h3 {
    font-size: clamp(1.4rem, 3vw, 1.8rem); /* Fluid H3 */
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

p {
    margin-bottom: var(--space-sm);
    font-size: 1rem;
}

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

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

ul {
    list-style: none;
}

/* Utility Classes */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.section-padding {
    padding: var(--space-3xl) 0;
}

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

.text-primary {
    color: var(--primary-blue);
}

.text-accent {
    color: var(--accent-green);
}

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

.section-title {
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
    color: var(--light-text);
    font-size: 1.15rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: background-color var(--transition-speed), transform 0.2s ease, box-shadow var(--transition-speed);
    text-align: center;
    min-height: 48px; /* Ensure tap target size */
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.btn-primary:hover {
    background-color: #165ab7; /* Slightly darker */
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--shadow-strong);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    box-shadow: 0 2px 8px var(--shadow-light);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.btn-accent {
    background-color: var(--accent-green);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(52, 168, 83, 0.2);
}

.btn-accent:hover {
    background-color: #2b8c47; /* Slightly darker green */
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(52, 168, 83, 0.3);
}

.btn-lg {
    padding: var(--space-md) var(--space-lg);
    font-size: 1.1rem;
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
}

/* Header */
.site-header {
    background-color: var(--white);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: transform 0.3s ease-out;
}

.site-header.is-scrolled {
    transform: translateY(0); /* Ensure it's visible if scrolled */
}

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

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-text);
    display: flex;
    align-items: center;
}

.logo img {
    height: 38px;
    margin-right: 10px;
}

.main-nav ul {
    display: flex;
    gap: var(--space-lg);
}

.main-nav ul li a {
    color: var(--dark-text);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--primary-blue);
    transition: width var(--transition-speed);
}

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

.nav-cta {
    margin-left: var(--space-xl);
}

.nav-toggle {
    display: none; /* Hidden on desktop */
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--dark-text);
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--white) 100%);
    padding: var(--space-4xl) 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    padding-right: var(--space-md);
}

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.3rem); /* Fluid P */
    color: var(--light-text);
    max-width: 550px;
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-image {
    text-align: right;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 30px var(--shadow-medium);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background-color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: 0 5px 15px var(--shadow-light);
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px var(--shadow-medium);
}

.feature-card img {
    height: 60px;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: var(--space-xs);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--light-text);
    line-height: 1.5;
}

/* How It Works Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.step-card {
    background-color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 20px var(--shadow-light);
    text-align: center;
    position: relative;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border: 1px solid var(--border-color);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px var(--shadow-medium);
}

.step-number {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 65px;
    height: 65px;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    border: 6px solid var(--secondary-blue);
    box-shadow: 0 4px 10px var(--shadow-light);
}

.step-card h3 {
    font-size: 1.6rem;
    margin-bottom: var(--space-xs);
}

.step-card p {
    color: var(--light-text);
    font-size: 1rem;
}

/* Our Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 8px 20px var(--shadow-light);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 25px var(--shadow-medium);
}

.service-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: var(--space-lg);
}

.service-card h3 {
    font-size: 1.6rem;
    color: var(--primary-blue);
    margin-bottom: var(--space-xs);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--light-text);
    margin-bottom: var(--space-md);
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.price-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
    text-align: center;
    box-shadow: 0 8px 20px var(--shadow-light);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border var(--transition-speed);
    border: 1px solid var(--border-color);
    position: relative;
    display: flex;
    flex-direction: column;
}

.price-card.featured {
    transform: scale(1.05);
    box-shadow: 0 15px 30px var(--shadow-medium);
    border: 2px solid var(--primary-blue);
    background-color: var(--secondary-blue);
}

.price-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px var(--shadow-medium);
}

.price-card h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: var(--space-xs);
}

.price-value {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: var(--space-md);
    display: block;
}

.price-value small {
    font-size: 0.5em;
    font-weight: 400;
    color: var(--light-text);
}

.price-card ul {
    padding: 0;
    margin: var(--space-xl) 0 var(--space-2xl);
    text-align: left;
    flex-grow: 1;
}

.price-card ul li {
    margin-bottom: var(--space-sm);
    font-size: 1rem;
    color: var(--light-text);
    display: flex;
    align-items: center;
    line-height: 1.4;
}

.price-card ul li::before {
    content: '✓';
    color: var(--accent-green);
    margin-right: 10px;
    font-weight: 600;
    font-size: 1.2em;
    line-height: 1; /* Adjust to better align with text */
}

.price-card .btn {
    margin-top: auto; /* Push button to bottom */
    width: 100%;
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-green);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(52, 168, 83, 0.2);
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.testimonial-card {
    background-color: var(--bg-light);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 5px 15px var(--shadow-light);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    border: 1px solid var(--border-color);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-medium);
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: var(--space-lg);
    font-size: 1.05rem;
    color: var(--dark-text);
}

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

.author-info img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: var(--space-sm);
    border: 3px solid var(--primary-blue);
}

.author-info strong {
    display: block;
    font-size: 1.1rem;
    color: var(--dark-text);
}

.author-info span {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* FAQ Section (Accordion) */
.accordion-container {
    max-width: 800px;
    margin: var(--space-2xl) auto 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
    background-color: var(--white);
    transition: background-color var(--transition-speed);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-item[aria-expanded="true"] {
    background-color: var(--secondary-blue);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--dark-text);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    min-height: 48px; /* Ensure tap target size */
}

.accordion-header:hover,
.accordion-header:focus {
    background-color: var(--bg-light);
    outline: none;
}

.accordion-icon {
    display: block;
    width: 20px;
    height: 20px;
    position: relative;
    transition: transform var(--transition-speed);
}

.accordion-icon::before,
.accordion-icon::after {
    content: '';
    position: absolute;
    background-color: var(--primary-blue);
    transition: transform var(--transition-speed);
}

.accordion-icon::before { /* Horizontal bar */
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.accordion-icon::after { /* Vertical bar */
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.accordion-item[aria-expanded="true"] .accordion-icon::after {
    transform: translateX(-50%) rotate(90deg); /* Hide vertical bar */
}

.accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-speed) ease-out, padding var(--transition-speed) ease-out;
}

.accordion-item[aria-expanded="true"] .accordion-panel {
    max-height: 200px; /* Adjust as needed for content, or use JS to calculate */
    padding: 0 var(--space-lg) var(--space-md);
}

.accordion-panel p {
    font-size: 1rem;
    color: var(--light-text);
    margin-bottom: 0;
}

/* Call to Action Banner */
.cta-banner-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #165ab7 100%);
    color: var(--white);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.cta-title {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.cta-description {
    font-size: clamp(1.1rem, 2vw, 1.3rem); /* Fluid P */
    max-width: 800px;
    margin: 0 auto var(--space-xl);
    color: var(--white);
}

/* Footer */
.site-footer {
    background-color: var(--dark-text);
    color: var(--light-grey);
    padding: var(--space-3xl) 0;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-xl);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--space-md);
    font-size: 1.2rem;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: var(--space-sm);
}

.footer-col ul li a {
    color: var(--bg-light);
    transition: color var(--transition-speed);
}

.footer-col ul li a:hover {
    color: var(--primary-blue);
}

.footer-logo {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    display: block;
    color: var(--white);
}

.social-links {
    display: flex;
    margin-top: var(--space-md);
}

.social-links a {
    display: inline-flex;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    justify-content: center;
    align-items: center;
    margin-right: var(--space-sm);
    color: var(--white);
    transition: background-color var(--transition-speed);
}

.social-links a:hover {
    background-color: var(--primary-blue);
}

.copyright {
    text-align: center;
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--light-text);
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        padding-right: 0;
        order: 2;
    }
    .hero-image {
        order: 1;
        margin-bottom: var(--space-xl);
    }
    .hero-image img {
        max-width: 80%;
        margin: 0 auto;
    }
    .hero-actions {
        justify-content: center;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: var(--primary-blue);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.4s ease-in-out;
        z-index: 999;
        padding: var(--space-2xl);
    }

    .main-nav.is-active {
        transform: translateX(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
        margin-bottom: var(--space-2xl);
    }

    .main-nav ul li a {
        color: var(--white);
        font-size: 1.5rem;
        padding: 10px 0;
    }

    .main-nav ul li a:hover::after,
    .main-nav ul li a.active::after {
        background-color: var(--accent-green);
    }

    .nav-cta {
        margin-left: 0;
        font-size: 1.2rem;
        padding: 15px 30px;
    }

    .nav-toggle {
        display: flex; /* Show hamburger on mobile */
        z-index: 1001; /* Above mobile nav */
    }

    .nav-toggle.is-active .bar:nth-child(1) {
        transform: translateY(11px) rotate(45deg);
    }

    .nav-toggle.is-active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.is-active .bar:nth-child(3) {
        transform: translateY(-11px) rotate(-45deg);
    }

    .section-padding {
        padding: var(--space-2xl) 0;
    }

    .section-title {
        margin-bottom: var(--space-md);
    }

    .section-description {
        margin-bottom: var(--space-xl);
    }

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

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

@media (max-width: 768px) {
    h1 { font-size: clamp(2rem, 8vw, 3rem); }
    h2 { font-size: clamp(1.8rem, 7vw, 2.5rem); }
    h3 { font-size: clamp(1.2rem, 4vw, 1.6rem); }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    .btn-lg {
        padding: 12px 25px;
        font-size: 1rem;
    }

    .hero-description, .cta-description {
        font-size: 1rem;
    }

    .hero-image img {
        max-width: 90%;
    }

    .features-grid, .steps-grid, .services-grid, .pricing-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .price-card.featured {
        transform: scale(1); /* Remove scale for smaller screens */
    }

    .price-card {
        padding: var(--space-xl);
    }

    .price-value {
        font-size: 3rem;
    }

    .footer-logo {
        font-size: 1.8rem;
    }

    .accordion-header {
        font-size: 1rem;
        padding: var(--space-sm) var(--space-md);
    }
    .accordion-item[aria-expanded="true"] .accordion-panel {
        padding: 0 var(--space-md) var(--space-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-xs);
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn {
        width: 100%;
        margin: 0 0 var(--space-sm) 0;
    }
    .hero-actions .btn:last-child {
        margin-bottom: 0;
    }
}