/* style.css */

:root {
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --font-secondary: 'Poppins', sans-serif;

    /* Light Theme Variables */
    --color-background: #f8f9fa;
    --color-surface: #ffffff;
    --color-primary: #0d6efd;
    --color-primary-dark: #0b5ed7;
    --color-accent: #6f42c1;
    --color-accent-dark: #59359a;
    --color-secondary: #6c757d;
    --color-text-primary: #212529;
    --color-text-secondary: #495057;
    --color-border: #dee2e6;
    --color-success: #198754;
    --color-danger: #dc3545;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.07);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #121212;
        --color-surface: #1e1e1e;
        --color-primary: #4dabf7;
        --color-primary-dark: #3b9eff;
        --color-accent: #9b59b6;
        --color-accent-dark: #ad7acb;
        --color-secondary: #adb5bd;
        --color-text-primary: #e9ecef;
        --color-text-secondary: #ced4da;
        --color-border: #343a40;
        --color-success: #20c997;
        --color-danger: #f06595;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
        --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.25);
    }
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

h1, h2, h3, h4 {
    font-family: var(--font-secondary);
    color: var(--color-text-primary);
    line-height: 1.3;
    font-weight: 600;
}

h1 {
    font-size: 3.25rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

ul {
    list-style: none;
}

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

section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-secondary);
}

/* Buttons */
.button-primary,
.button-secondary,
.button-accent,
.button-link {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.button-primary {
    background-color: var(--color-primary);
    color: #fff;
}

.button-primary:hover {
    background-color: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.button-accent {
    background-color: var(--color-accent);
    color: #fff;
}

.button-accent:hover {
    background-color: var(--color-accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.button-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.button-secondary:hover {
    background-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.button-link {
    padding: 0;
    background: none;
    border: none;
    color: var(--color-accent);
    font-weight: 600;
}

.button-link::after {
    content: ' →';
}

.button-link:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

/* Header */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.main-navigation ul {
    display: flex;
    gap: 2rem;
}

.main-navigation a {
    color: var(--color-text-secondary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.main-navigation a:hover {
    color: var(--color-text-primary);
}

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

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

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-nav-toggle .icon-menu,
.mobile-nav-toggle .icon-close {
    width: 28px;
    height: 28px;
    stroke: var(--color-text-primary);
}

.mobile-nav-toggle .icon-close {
    display: none;
}

body.nav-open .mobile-nav-toggle .icon-menu {
    display: none;
}

body.nav-open .mobile-nav-toggle .icon-close {
    display: block;
}

/* Hero Section */
.hero-section {
    background-color: var(--color-surface);
    text-align: center;
    padding: 8rem 0;
    background-image: linear-gradient(rgba(0,0,0,0.05), rgba(0,0,0,0.05)));
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text {
    max-width: 800px;
}

.hero-text h1 {
    margin-bottom: 1.5rem;
}

.hero-text .subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Solutions Section */
.solutions-section {
    background-color: var(--color-background);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.solution-card {
    background-color: var(--color-surface);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.solution-card .card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background-color: var(--color-primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.solution-card .card-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

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

.solution-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* How It Works Section */
.how-it-works-section {
    background-color: var(--color-surface);
}

.steps-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 2rem;
    bottom: 2rem;
    left: 39px;
    width: 2px;
    background-color: var(--color-border);
    transform: translateX(-50%);
}

.step {
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-left: 5rem;
    margin-bottom: 3rem;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-secondary);
    border: 4px solid var(--color-surface);
    z-index: 2;
}

.step-content h3 {
    margin-bottom: 0.5rem;
}

/* Features Section (Tabs) */
.features-section {
    background-color: var(--color-background);
}

.tabs-container {
    max-width: 900px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-link {
    padding: 1rem 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    transition: color 0.3s ease, border-color 0.3s ease;
    margin-bottom: -1px;
}

.tab-link:hover {
    color: var(--color-text-primary);
}

.tab-link.active {
    color: var(--color-primary);
    border-color: var(--color-primary);
    font-weight: 600;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    margin-bottom: 1.5rem;
}

.tab-content ul {
    list-style: none;
    padding-left: 1.5rem;
}

.tab-content ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.tab-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Target Audience Section */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.audience-card {
    background-color: var(--color-surface);
    padding: 2rem;
    border-left: 4px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
}

.audience-card:hover {
    box-shadow: var(--shadow-md);
}

.audience-card h4 {
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.audience-card p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Case Study Section */
.case-study-section {
    background-color: var(--color-surface);
}

.case-study-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.case-study-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.eyebrow {
    display: block;
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.case-study-text h3 {
    margin-bottom: 1.5rem;
}

.case-study-text ul {
    list-style: none;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.case-study-text ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.case-study-text ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 1.2rem;
    line-height: 1;
}

/* Pricing Section */
.pricing-section {
    background-color: var(--color-background);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: flex-end;
}

.pricing-plan {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.pricing-plan:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.pricing-plan.featured {
    border-color: var(--color-accent);
    border-width: 2px;
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: 1.5rem;
    right: -45px;
    background-color: var(--color-accent);
    color: white;
    padding: 0.3rem 3rem;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-secondary);
}

.plan-header {
    margin-bottom: 2rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-secondary);
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.plan-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.plan-description {
    color: var(--color-secondary);
    min-height: 40px;
}

.plan-features {
    text-align: left;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.plan-features ul li {
    margin-bottom: 1rem;
    padding-left: 1.75rem;
    position: relative;
}

.plan-features ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
    font-size: 1.2rem;
}

.plan-cta {
    margin-top: auto;
}

.plan-cta .button-secondary, .plan-cta .button-accent {
    width: 100%;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--color-background);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    position: relative;
}

.testimonial-card::before {
    content: '“';
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 5rem;
    color: var(--color-primary);
    opacity: 0.1;
    font-family: serif;
    line-height: 1;
}

.testimonial-card p {
    margin-bottom: 1.5rem;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

.testimonial-card footer {
    font-style: normal;
}

.testimonial-card cite {
    display: block;
    font-weight: 600;
    color: var(--color-text-primary);
}

.testimonial-card span {
    font-size: 0.9rem;
    color: var(--color-secondary);
}

/* Team Section */
.team-section {
    background-color: var(--color-background);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.team-member {
    text-align: center;
    background-color: var(--color-surface);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.team-member h4 {
    margin-bottom: 0.25rem;
}

.team-member p {
    color: var(--color-secondary);
    margin-bottom: 0;
}

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

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

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

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

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

.accordion-header {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.5rem 1rem;
    font-size: 1.2rem;
    font-weight: 600;
    font-family: var(--font-secondary);
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.accordion-header:hover {
    background-color: var(--color-background);
}

.accordion-header svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-secondary);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header svg {
    transform: rotate(180deg);
    stroke: var(--color-primary);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0), padding 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.accordion-content p {
    padding: 0 1rem 1.5rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.faq-more {
    text-align: center;
    margin-top: 3rem;
}

/* CTA Section */
.cta-section {
    background-color: var(--color-accent);
    color: #fff;
    padding: 6rem 0;
    text-align: center;
}

.cta-content h2 {
    color: #fff;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.registration-form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-surface);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.quick-registration-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    width: 100%;
}

.quick-registration-form input {
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    font-size: 1rem;
    background-color: var(--color-background);
    color: var(--color-text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.quick-registration-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
}

.quick-registration-form button {
    background-color: var(--color-primary);
    width: 100%;
    border-color: var(--color-primary);
}

.form-thank-you h3 {
    margin-bottom: 1rem;
    color: var(--color-success);
}

.form-thank-you p {
    color: var(--color-text-secondary);
}

.form-legal {
    font-size: 0.8rem;
    color: var(--color-secondary);
    margin-top: 1.5rem;
    margin-bottom: 0;
}

.form-legal a {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* Footer */
.site-footer {
    background-color: var(--color-surface);
    color: var(--color-text-secondary);
    padding-top: 4rem;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 4rem;
}

.footer-column h4 {
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.footer-column.about p {
    font-size: 0.95rem;
}

.footer-column.links ul li {
    margin-bottom: 0.75rem;
}

.footer-column.links a {
    color: var(--color-text-secondary);
}

.footer-column.links a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.footer-column.contact address {
    font-style: normal;
    margin-bottom: 1rem;
}

.footer-column.contact address a,
.footer-column.contact p a {
    color: var(--color-text-secondary);
}

.footer-column.contact address a:hover,
.footer-column.contact p a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Animation on Scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Cookie Banner */
.cookie-consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    padding: 1.5rem;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 2000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    transform: translateY(100%);
    animation: slideUp 0.5s forwards ease-out;
}

.cookie-consent-banner.hidden {
    display: none;
}

.cookie-consent-text p {
    margin: 0;
    color: var(--color-text-secondary);
}

.cookie-consent-text a {
    text-decoration: underline;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .pricing-plan.featured {
        transform: scale(1);
    }
}

@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2.2rem; }
    section { padding: 4rem 0; }

    .header-actions .button-primary {
        display: none;
    }

    .mobile-nav-toggle {
        display: block;
    }

    .main-navigation {
        position: fixed;
        top: 0;
        right: 0;
        width: 300px;
        height: 100vh;
        background-color: var(--color-surface);
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        padding-top: 6rem;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    }
    
    body.nav-open .main-navigation {
        transform: translateX(0);
    }

    .main-navigation ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .main-navigation a {
        font-size: 1.2rem;
        padding: 1rem;
        display: block;
    }

    .case-study-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .case-study-image {
        order: -1;
    }

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

    .footer-column.about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.4rem; }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta a {
        width: 100%;
        max-width: 300px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
    
    .pricing-plan {
        align-self: initial;
    }

    .tabs-nav {
        justify-content: center;
    }

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

    .cookie-consent-banner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 15px;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .step {
        padding-left: 4rem;
    }

    .step-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .steps-container::before {
        left: 1.1rem;
    }

    .registration-form-container {
        padding: 1.5rem;
    }

    .main-navigation {
        width: 100%;
    }
}