/* ====================================
   Liberate AI - Global Styles
   ==================================== */

:root {
    /* Brand Colors */
    --freedom-red: #D22E28;
    --sanctuary-blue: #005ECE;
    --off-white: #FAF9F6;
    --charcoal-black: #0A0A0A;
    --cloud-grey: #F1F1F1;
    --pure-white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ====================================
   Reset & Base Styles
   ==================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--charcoal-black);
    background-color: var(--off-white);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* Screen reader only class */
.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;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Section Titles */
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--charcoal-black);
}

.section-intro {
    font-size: 1.125rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    color: var(--charcoal-black);
    line-height: 1.7;
}

/* Buttons */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background-color: var(--freedom-red);
    color: var(--pure-white);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cta-button:hover,
.cta-button:focus {
    background-color: #B52520;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.cta-button:focus {
    outline: 3px solid var(--sanctuary-blue);
    outline-offset: 2px;
}

.cta-button.secondary {
    background-color: var(--sanctuary-blue);
}

.cta-button.secondary:hover,
.cta-button.secondary:focus {
    background-color: #004BA8;
}

/* ====================================
   Navigation Bar
   ==================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--pure-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--charcoal-black);
}

.nav-logo {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--charcoal-black);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--charcoal-black);
    text-decoration: none;
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--freedom-red);
    transition: width var(--transition-medium);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--freedom-red);
}

.nav-link:focus {
    outline: 2px solid var(--sanctuary-blue);
    outline-offset: 4px;
    border-radius: 2px;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: var(--charcoal-black);
    transition: all var(--transition-medium);
}

.hamburger:focus {
    outline: 2px solid var(--sanctuary-blue);
    outline-offset: 4px;
    border-radius: 4px;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ====================================
   Hero Section
   ==================================== */

.hero {
    background: linear-gradient(135deg, var(--freedom-red) 0%, #A8231E 100%);
    color: var(--pure-white);
    padding: calc(80px + var(--spacing-xxl)) var(--spacing-md) var(--spacing-xxl);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.hero-logo {
    flex-shrink: 0;
}

.hero-logo-img {
    width: 280px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    opacity: 0.9;
}

.hero .cta-button {
    font-size: 1.125rem;
    padding: 1.25rem 2.5rem;
    background-color: var(--pure-white);
    color: var(--freedom-red);
}

.hero .cta-button:hover,
.hero .cta-button:focus {
    background-color: var(--off-white);
    transform: translateY(-3px);
}

/* ====================================
   Mission Section
   ==================================== */

.mission {
    padding: var(--spacing-xxl) var(--spacing-md);
    background-color: var(--pure-white);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.mission-card {
    background-color: var(--off-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.mission-card:hover,
.mission-card:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--sanctuary-blue);
}

.mission-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--sanctuary-blue) 0%, #0048A8 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
    color: var(--pure-white);
}

.mission-card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal-black);
}

.mission-card-text {
    color: var(--charcoal-black);
    line-height: 1.7;
}

/* ====================================
   Pillars Section
   ==================================== */

.pillars {
    padding: var(--spacing-xxl) var(--spacing-md);
    background-color: var(--cloud-grey);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.pillar-card {
    background-color: var(--pure-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    text-align: center;
}

.pillar-card:hover,
.pillar-card:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--freedom-red);
}

.pillar-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--freedom-red) 0%, #A8231E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2.25rem;
    color: var(--pure-white);
}

.pillar-title {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal-black);
}

.pillar-text {
    color: var(--charcoal-black);
    line-height: 1.7;
}

/* ====================================
   Sanctuary Section
   ==================================== */

.sanctuary {
    padding: var(--spacing-xxl) var(--spacing-md);
    background-color: var(--pure-white);
}

.sanctuary-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.sanctuary-description h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--charcoal-black);
}

.sanctuary-description p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.sanctuary-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.sanctuary-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal-black);
}

.sanctuary-list i {
    color: var(--sanctuary-blue);
    font-size: 1.25rem;
}

.legacy-models h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--charcoal-black);
}

/* Accordion */
.accordion {
    border-radius: 8px;
    overflow: hidden;
}

.accordion-item {
    background-color: var(--off-white);
    border-bottom: 2px solid var(--cloud-grey);
}

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

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--charcoal-black);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.accordion-header:hover,
.accordion-header:focus {
    background-color: var(--cloud-grey);
}

.accordion-header:focus {
    outline: 2px solid var(--sanctuary-blue);
    outline-offset: -2px;
}

.accordion-header i {
    transition: transform var(--transition-medium);
    color: var(--sanctuary-blue);
}

.accordion-header[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-content p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    line-height: 1.7;
    color: var(--charcoal-black);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

/* Sanctuary CTA */
.sanctuary-cta {
    margin-top: var(--spacing-xl);
    background: linear-gradient(135deg, var(--sanctuary-blue) 0%, #004BA8 100%);
    color: var(--pure-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
}

.sanctuary-cta h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.sanctuary-cta p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.sanctuary-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.sanctuary-cta .cta-button {
    background-color: var(--pure-white);
    color: var(--sanctuary-blue);
}

.sanctuary-cta .cta-button:hover,
.sanctuary-cta .cta-button:focus {
    background-color: var(--off-white);
}

/* ====================================
   Get Involved Section
   ==================================== */

.get-involved {
    padding: var(--spacing-xxl) var(--spacing-md);
    background-color: var(--cloud-grey);
}

.involvement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.involvement-card {
    background-color: var(--pure-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.involvement-card:hover,
.involvement-card:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--sanctuary-blue);
}

.involvement-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--freedom-red) 0%, #A8231E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: var(--pure-white);
}

.involvement-card h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal-black);
}

.involvement-card p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    color: var(--charcoal-black);
}

/* Email Form */
.signup-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.email-input {
    padding: 0.875rem;
    border: 2px solid var(--cloud-grey);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.email-input:focus {
    outline: none;
    border-color: var(--sanctuary-blue);
}

.form-success {
    color: var(--sanctuary-blue);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

/* ====================================
   News Section
   ==================================== */

.news {
    padding: var(--spacing-xxl) var(--spacing-md);
    background-color: var(--pure-white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.news-card {
    background-color: var(--off-white);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.news-card:hover,
.news-card:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--freedom-red);
}

.news-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.news-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--sanctuary-blue) 0%, #004BA8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--pure-white);
}

.news-content {
    padding: var(--spacing-md);
}

.news-date {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--sanctuary-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.news-title {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal-black);
    line-height: 1.3;
}

.news-excerpt {
    color: var(--charcoal-black);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--freedom-red);
    font-weight: 600;
    text-decoration: none;
    transition: gap var(--transition-medium);
}

.news-link:hover,
.news-link:focus {
    gap: var(--spacing-sm);
}

.news-link:focus {
    outline: 2px solid var(--sanctuary-blue);
    outline-offset: 4px;
    border-radius: 2px;
}

/* ====================================
   Footer
   ==================================== */

.footer {
    background-color: var(--off-white);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
    border-top: 3px solid var(--freedom-red);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section {
    color: var(--charcoal-black);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--charcoal-black);
}

.footer-text {
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--sanctuary-blue);
    color: var(--pure-white);
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-medium);
    font-size: 1.125rem;
}

.social-link:hover,
.social-link:focus {
    background-color: var(--freedom-red);
    transform: translateY(-3px);
}

.social-link:focus {
    outline: 2px solid var(--charcoal-black);
    outline-offset: 2px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--charcoal-black);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--freedom-red);
}

.footer-links a:focus {
    outline: 2px solid var(--sanctuary-blue);
    outline-offset: 2px;
    border-radius: 2px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-contact i {
    color: var(--sanctuary-blue);
    font-size: 1.125rem;
}

.footer-contact a {
    color: var(--charcoal-black);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact a:hover,
.footer-contact a:focus {
    color: var(--freedom-red);
}

.footer-bottom {
    border-top: 2px solid var(--cloud-grey);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.footer-legal a {
    color: var(--charcoal-black);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-legal a:hover,
.footer-legal a:focus {
    color: var(--freedom-red);
}

.footer-legal .separator {
    color: var(--cloud-grey);
}

/* ====================================
   Responsive Design
   ==================================== */

@media (max-width: 992px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .hero-logo-img {
        width: 220px;
    }
    
    .sanctuary-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
        --spacing-xxl: 4rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background-color: var(--pure-white);
        width: 100%;
        max-width: 300px;
        padding: var(--spacing-md);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-medium);
        align-items: flex-start;
        height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-intro {
        font-size: 1rem;
    }
    
    .hero {
        padding: calc(70px + var(--spacing-lg)) var(--spacing-sm) var(--spacing-lg);
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-logo-img {
        width: 180px;
    }
    
    .mission-grid,
    .pillars-grid,
    .involvement-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .sanctuary-buttons {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .hero .cta-button {
        padding: 1rem 2rem;
    }
}