/* MSK Navigator Styles */

/* CSS Variables */
:root {
    --color-background: hsl(0 0% 100%);
    --color-foreground: hsl(222.2 84% 4.9%);
    --color-primary: hsl(173 75% 35%);
    --color-primary-foreground: hsl(0 0% 100%);
    --color-secondary: hsl(210 40% 96%);
    --color-muted-foreground: hsl(215.4 16.3% 46.9%);
    --color-border: hsl(214.3 31.8% 91.4%);
    --color-accent: hsl(210 40% 96%);
    --font-sans: 'Inter', system-ui, sans-serif;
    --border-radius: 0.75rem;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-background);
    color: var(--color-foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.nav-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

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

.logo-img {
    height: 2.5rem;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 1.5rem;
}

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

.nav-link {
    color: var(--color-muted-foreground);
    transition: color 0.3s;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: hsl(173 75% 30%);
}

.btn-outline {
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--color-border);
    color: var(--color-foreground);
}

.btn-outline:hover {
    background-color: var(--color-secondary);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

.btn-icon {
    margin-right: 0.5rem;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--color-secondary) 0%, #ffffff 50%, var(--color-accent) 100%);
    background-image:
        radial-gradient(circle at 25px 25px, rgba(25, 118, 104, 0.1) 2px, transparent 0),
        linear-gradient(135deg, var(--color-secondary) 0%, #ffffff 50%, var(--color-accent) 100%);
    background-size: 50px 50px, 100% 100%;
    overflow: hidden;
    padding: 5rem 0 8rem;
}

@media (min-width: 1024px) {
    .hero-section {
        padding: 8rem 0 10rem;
    }
}

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

.evolution-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: rgba(25, 118, 104, 0.1);
    border: 1px solid rgba(25, 118, 104, 0.2);
    border-radius: 9999px;
    padding: 0.75rem 1.5rem;
    margin-bottom: 2rem;
}

.badge-logo {
    height: 2rem;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.arrow-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

.hero-title-intro {
    color: var(--color-foreground);
}

.hero-title-main {
    background: linear-gradient(135deg, var(--color-primary), hsl(173 75% 45%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-muted-foreground);
    margin-bottom: 2rem;
    line-height: 1.7;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.5rem;
    }
}

.evolution-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
}

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

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

@media (min-width: 640px) {
    .hero-ctas {
        flex-direction: row;
        justify-content: center;
    }
}

/* Cards */
.card {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.card-hover {
    transition: box-shadow 0.3s;
}

.card-hover:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-content {
    padding: 1.5rem;
    text-align: center;
}

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

@media (min-width: 768px) {
    .card-content-flex {
        flex-direction: row;
        align-items: flex-start;
        padding: 3rem;
    }
}

.card-content-sm {
    padding: 1.5rem;
}

.icon-wrapper {
    width: 3rem;
    height: 3rem;
    background-color: rgba(25, 118, 104, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.icon-wrapper-lg {
    width: 4rem;
    height: 4rem;
    background-color: rgba(25, 118, 104, 0.1);
    border-radius: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon {
    color: var(--color-primary);
}

.icon-lg {
    color: var(--color-primary);
}

.icon-sm {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.card-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-title-lg {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--color-foreground);
}

.card-text {
    font-size: 0.875rem;
    color: var(--color-muted-foreground);
    line-height: 1.7;
}

.card-text-sm {
    font-size: 0.875rem;
    color: var(--color-muted-foreground);
}

.card-subtitle {
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.card-primary {
    background-color: rgba(25, 118, 104, 0.05);
    border: 1px solid rgba(25, 118, 104, 0.1);
}

.card-header-flex {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-meta {
    font-size: 0.875rem;
    color: var(--color-muted-foreground);
    display: flex;
    align-items: center;
    margin-top: 1rem;
}

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

.section-white {
    background-color: #ffffff;
}

.section-light {
    background-color: rgba(25, 118, 104, 0.05);
}

.section-header {
    max-width: 56rem;
    margin: 0 auto 4rem;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: var(--color-foreground);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-title-md {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--color-foreground);
}

@media (min-width: 768px) {
    .section-title-md {
        font-size: 1.875rem;
    }
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-muted-foreground);
    max-width: 48rem;
    margin: 0 auto;
    line-height: 1.7;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 9999px;
    padding: 0.5rem 1rem;
    margin-bottom: 1.5rem;
}

.badge-primary {
    background-color: rgba(25, 118, 104, 0.1);
    border: 1px solid rgba(25, 118, 104, 0.2);
}

.badge-primary span {
    color: var(--color-primary);
    font-weight: 500;
}

.badge-office-hours {
    background-color: rgba(25, 118, 104, 0.1);
    color: var(--color-primary);
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
}

.badge-hub-live {
    background-color: var(--color-accent);
    color: var(--color-foreground);
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
}

/* Dr. Ventura Section */
.ventura-card {
    max-width: 56rem;
    margin: 0 auto;
}

.ventura-photo-wrapper {
    flex-shrink: 0;
}

.ventura-photo {
    width: 6rem;
    height: 6rem;
    border-radius: 9999px;
    object-fit: cover;
    border: 4px solid #ffffff;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.ventura-content {
    flex-grow: 1;
}

.ventura-quote {
    font-size: 1.125rem;
    color: var(--color-muted-foreground);
    margin-bottom: 1.5rem;
    font-style: italic;
}

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

.attribution-name {
    font-weight: 600;
    color: var(--color-foreground);
}

.attribution-title {
    color: var(--color-muted-foreground);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
}

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

.feature-title {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--color-foreground);
}

.feature-text {
    color: var(--color-muted-foreground);
    line-height: 1.7;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 72rem;
    margin: 0 auto;
}

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

.benefit-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-section-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-foreground);
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.benefit-icon {
    color: var(--color-primary);
    margin-right: 0.75rem;
}

.benefit-card-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Live Sessions */
.live-sessions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
}

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

/* Final CTA */
.final-cta {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.final-cta-text {
    font-size: 1.25rem;
    color: var(--color-muted-foreground);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.final-cta-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.final-cta-meta {
    font-size: 0.875rem;
    color: var(--color-muted-foreground);
}

/* Footer */
.footer {
    background-color: var(--color-foreground);
    color: #ffffff;
    padding: 4rem 0;
}

.footer-content {
    max-width: 72rem;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 4rem;
    width: auto;
    object-fit: contain;
}

.footer-brand-text {
    color: #d1d5db;
    margin-bottom: 1rem;
    max-width: 28rem;
}

.footer-section-title {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    color: #d1d5db;
    transition: color 0.3s;
}

.footer-link:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
}

.footer-copyright {
    color: #9ca3af;
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .btn-lg {
        width: 100%;
    }

    .hero-ctas .btn {
        width: 100%;
    }
}