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

:root {
    /* Color Variables - HSL Values */
    --background: hsl(210, 33%, 98%);
    --foreground: hsl(213, 32%, 15%);
    --card: hsl(0, 0%, 100%);
    --card-foreground: hsl(213, 32%, 15%);
    --primary: hsl(213, 56%, 24%);
    --primary-foreground: hsl(210, 40%, 98%);
    --secondary: hsl(210, 25%, 95%);
    --secondary-foreground: hsl(213, 56%, 24%);
    --muted: hsl(210, 25%, 93%);
    --muted-foreground: hsl(213, 20%, 45%);
    --accent: hsl(142, 71%, 45%);
    --accent-foreground: hsl(0, 0%, 100%);
    --border: hsl(214, 25%, 88%);
    --hero-gradient-start: hsl(213, 56%, 24%);
    --hero-gradient-end: hsl(213, 45%, 35%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: var(--primary);
    border-bottom: 1px solid rgba(210, 240, 250, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo-img {
    height: 4rem;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-foreground);
}

.nav-desktop {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(210, 240, 250, 0.8);
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-foreground);
}

.mobile-menu-btn {
    display: block;
    padding: 0.5rem;
    color: var(--primary-foreground);
    background: none;
    border: none;
    cursor: pointer;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.menu-icon,
.close-icon {
    width: 1.5rem;
    height: 1.5rem;
}

.hidden {
    display: none !important;
}

.nav-mobile {
    padding: 1rem 0;
    border-top: 1px solid rgba(210, 240, 250, 0.1);
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    font-size: 0.875rem;
}

.btn-accent {
    background-color: var(--accent);
    color: var(--accent-foreground);
}

.btn-accent:hover {
    opacity: 0.9;
}

.btn-full {
    width: 100%;
}

.btn-lg {
    font-size: 1.125rem;
    padding: 1rem 2rem;
}

.icon-right {
    margin-left: 0.5rem;
    width: 1.25rem;
    height: 1.25rem;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--hero-gradient-start) 0%, var(--hero-gradient-end) 100%);
    color: var(--primary-foreground);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 5rem;
    left: 2.5rem;
    width: 18rem;
    height: 18rem;
    background-color: var(--accent);
    border-radius: 50%;
    filter: blur(64px);
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 5rem;
    right: 2.5rem;
    width: 24rem;
    height: 24rem;
    background-color: var(--primary-foreground);
    border-radius: 50%;
    filter: blur(64px);
}

.hero-container {
    padding-top: 8rem;
    padding-bottom: 5rem;
    position: relative;
    z-index: 10;
}

.hero-content {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

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

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(210, 240, 250, 0.9);
    margin-bottom: 2rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 640px) {
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
    }
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-link {
    color: rgba(210, 240, 250, 0.8);
    text-decoration: underline;
    text-underline-offset: 4px;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s;
}

.hero-link:hover {
    color: var(--accent);
}

.hero-divider {
    color: rgba(210, 240, 250, 0.5);
}

.hero-credibility {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.credibility-text {
    font-size: 0.875rem;
    color: rgba(210, 240, 250, 0.7);
}

.partner-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.partner-logo {
    height: 5.2rem;
    width: auto;
    opacity: 0.9;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.5rem;
    border-radius: 0.75rem;
    transition: opacity 0.3s;
}

.partner-logo:hover {
    opacity: 1;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.scroll-btn {
    color: rgba(210, 240, 250, 0.6);
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s;
}

.scroll-btn:hover {
    color: var(--primary-foreground);
}

.chevron-down {
    width: 2rem;
    height: 2rem;
}

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

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

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .section-title {
        font-size: 2.25rem;
    }
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 42rem;
    margin: 0 auto;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: 1fr;
}

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

.grid-3 {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Card Styles */
.card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    transition: all 0.3s;
}

.card:hover {
    border-color: rgba(66, 184, 131, 0.5);
}

.card-content {
    padding: 1.5rem;
}

.icon-wrapper {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    background-color: rgba(44, 84, 126, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: background-color 0.3s;
}

.card:hover .icon-wrapper {
    background-color: rgba(66, 184, 131, 0.1);
}

.icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
    transition: color 0.3s;
}

.card:hover .icon {
    color: var(--accent);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.card-description {
    color: var(--muted-foreground);
}

/* Overview Section */
.overview-card {
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.overview-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.overview-content {
    padding: 2rem;
}

.overview-logo {
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.overview-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.75rem;
}

.overview-description {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* Audience Section */
.audience-wrapper {
    max-width: 48rem;
    margin: 0 auto;
}

.audience-card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.audience-header {
    padding: 1.5rem 1.5rem 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.check-circle {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--accent);
}

.audience-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
}

.audience-list {
    padding: 1.5rem;
    list-style: none;
}

.audience-item {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.audience-item:last-child {
    margin-bottom: 0;
}

.bullet {
    display: block;
    width: 0.5rem;
    height: 0.5rem;
    margin-top: 0.5rem;
    border-radius: 50%;
    background-color: var(--accent);
    flex-shrink: 0;
}

.audience-item span:last-child {
    color: var(--muted-foreground);
}

/* Track Cards */
.track-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    scroll-margin-top: 6rem;
}

.track-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

.track-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.track-tag {
    display: inline-block;
    align-self: flex-start;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 9999px;
}

.tag-filled {
    background-color: var(--accent);
    color: var(--accent-foreground);
}

.tag-outline {
    border: 1px solid var(--accent);
    color: var(--accent);
    background-color: transparent;
}

.track-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.75rem;
    background-color: rgba(66, 184, 131, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.track-icon .icon {
    width: 1.75rem;
    height: 1.75rem;
    color: var(--accent);
}

.track-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 0.25rem;
}

.track-subtitle {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
}

.track-description {
    color: var(--muted-foreground);
}

.track-highlights {
    list-style: none;
}

.highlight-item {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.highlight-item:last-child {
    margin-bottom: 0;
}

.check-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.highlight-item span {
    font-size: 0.875rem;
    color: var(--foreground);
}

/* Mission Section */
.mission-wrapper {
    max-width: 64rem;
    margin: 0 auto;
}

.mission-item {
    display: flex;
    gap: 1rem;
}

.mission-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    background-color: rgba(44, 84, 126, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mission-icon .icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
}

.mission-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.25rem;
}

.mission-description {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* FAQ Section */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .faq-container {
        flex-direction: row;
        justify-content: center;
    }
}

.faq-categories {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

@media (min-width: 1024px) {
    .faq-categories {
        flex-direction: column;
        min-width: 12.5rem;
        overflow-x: visible;
        padding-bottom: 0;
    }
}

.faq-category {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    white-space: nowrap;
    transition: all 0.3s;
    cursor: pointer;
    background-color: var(--card);
    color: var(--muted-foreground);
    border: 1px solid var(--border);
}

.faq-category:hover {
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--foreground);
}

.faq-category.active {
    background-color: var(--accent);
    color: var(--accent-foreground);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.faq-content {
    flex: 1;
    max-width: 42rem;
}

.faq-group {
    display: none;
}

.faq-group.active {
    display: block;
}

.faq-item {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.25rem;
    margin-bottom: 0.75rem;
    transition: box-shadow 0.3s;
}

.faq-item.open {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--foreground);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    padding-bottom: 0.75rem;
}

.faq-question:hover {
    color: var(--accent);
}

.faq-chevron {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.faq-item.open .faq-answer {
    max-height: 500px;
    transition: max-height 0.5s ease-in;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, var(--hero-gradient-start) 0%, var(--hero-gradient-end) 100%);
    color: var(--primary-foreground);
}

.contact-content {
    max-width: 48rem;
    margin: 0 auto;
    text-align: center;
}

.contact-content .section-title {
    color: var(--primary-foreground);
    margin-bottom: 1rem;
}

.contact-subtitle {
    font-size: 1.125rem;
    color: rgba(210, 240, 250, 0.8);
    margin-bottom: 2rem;
}

.contact-note {
    font-size: 0.875rem;
    color: rgba(210, 240, 250, 0.7);
    margin-top: 1rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
    background-color: var(--primary);
    color: var(--primary-foreground);
}

.footer-text {
    font-size: 0.875rem;
    color: rgba(210, 240, 250, 0.6);
    text-align: center;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--accent-foreground);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: all 0.3s ease;
    z-index: 40;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background-color: var(--primary);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    transform: translateY(-4px);
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

.chevron-up {
    width: 1.5rem;
    height: 1.5rem;
}

@media (max-width: 640px) {
    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
    }

    .chevron-up {
        width: 1.25rem;
        height: 1.25rem;
    }
}