/* ==================== STORY PAGE - TIMELINE NAVIGATION ==================== */
/* Sticky sidebar timeline with scroll-based progress and dynamic highlighting */

/* Override scroll-snap for story page */
/* Must target html when .page-story is on body, since scroll-snap is set on html in feature_styles.css */
html:has(.page-story) {
    scroll-snap-type: none;
}

.page-story {
    scroll-snap-type: none;
}

/* Main Layout */
.story-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
    min-height: 100vh;
}

/* ==================== TIMELINE NAVIGATION SIDEBAR ==================== */
.story-nav {
    position: sticky;
    top: var(--nav-offset, 80px);
    height: fit-content;
    max-height: calc(100vh - var(--nav-offset, 80px) - 40px);
    padding: var(--space-3xl) var(--space-lg) var(--space-3xl) var(--space-xl);
    z-index: 100;
}

.story-timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Timeline Track - The vertical line */
.timeline-track {
    position: absolute;
    left: 7px;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(
        180deg,
        var(--slate-200) 0%,
        var(--slate-200) 100%
    );
    border-radius: 1px;
    z-index: 0;
}

/* Progress fill - animated fill */
.timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(
        180deg,
        var(--blue-500) 0%,
        var(--blue-400) 100%
    );
    border-radius: 1px;
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
}

/* ==================== TIMELINE ITEMS ==================== */
.timeline-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    text-decoration: none;
    z-index: 1;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Timeline Node - The circles */
.timeline-node {
    position: relative;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--slate-300);
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

/* Inner dot for inactive state */
.timeline-node::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--blue-500);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glow effect for active */
.timeline-node::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    background: rgba(59, 130, 246, 0);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

/* Timeline Label */
.timeline-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-500);
    white-space: nowrap;
    transition: all 0.3s ease;
    transform: translateX(0);
}

/* ==================== TIMELINE STATES ==================== */

/* Hover State */
.timeline-item:hover .timeline-node {
    border-color: var(--blue-400);
    transform: scale(1.1);
}

.timeline-item:hover .timeline-label {
    color: var(--slate-700);
}

/* Active State */
.timeline-item.active .timeline-node {
    border-color: var(--blue-500);
    background: var(--blue-500);
    transform: scale(1.15);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.timeline-item.active .timeline-node::before {
    width: 6px;
    height: 6px;
    background: var(--white);
}

.timeline-item.active .timeline-node::after {
    background: rgba(59, 130, 246, 0.15);
    width: 32px;
    height: 32px;
}

.timeline-item.active .timeline-label {
    color: var(--blue-600);
    font-weight: 600;
    transform: translateX(4px);
}

/* Passed State (sections above current) */
.timeline-item.passed .timeline-node {
    border-color: var(--blue-500);
    background: var(--blue-500);
}

.timeline-item.passed .timeline-node::before {
    width: 6px;
    height: 6px;
    background: var(--white);
}

.timeline-item.passed .timeline-label {
    color: var(--slate-600);
}

/* ==================== STORY CONTENT AREA ==================== */
.story-content {
    padding: var(--space-2xl) var(--space-3xl) var(--space-3xl) var(--space-2xl);
    max-width: 800px;
}

/* Individual Section */
.story-section {
    padding: var(--space-3xl) 0;
    border-bottom: 1px solid var(--slate-100);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.story-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.story-section:last-child {
    border-bottom: none;
}

.story-section-inner {
    max-width: 680px;
}

/* ==================== TYPOGRAPHY ==================== */

/* Section Title */
.story-section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: var(--space-xl);
    letter-spacing: -0.02em;
    position: relative;
}

/* Decorative accent line */
.story-section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--blue-500), var(--blue-400));
    border-radius: 2px;
}

/* Lead paragraph */
.story-lead {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--slate-700);
    font-weight: 500;
    margin-bottom: var(--space-xl);
}

/* Regular paragraphs */
.story-section p {
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--slate-600);
    margin-bottom: var(--space-lg);
}

.story-section p:last-child {
    margin-bottom: 0;
}

.story-section strong {
    color: var(--slate-800);
    font-weight: 600;
}

/* Story signature */
.story-signature {
    font-size: 1.125rem;
    font-weight: 600;
    font-style: italic;
    color: var(--blue-600);
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 2px solid var(--blue-500);
    display: inline-block;
}

/* ==================== QUOTE BLOCK ==================== */
.story-quote {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    line-height: 1.6;
    color: var(--slate-800);
    font-weight: 600;
    padding: var(--space-xl) var(--space-2xl);
    background: linear-gradient(135deg, var(--blue-50) 0%, var(--slate-50) 100%);
    border-left: 4px solid var(--blue-500);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    margin: 0;
    position: relative;
}

.story-quote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    font-family: Georgia, serif;
    color: var(--blue-200);
    line-height: 1;
}

/* ==================== LIST STYLES ==================== */
.story-list {
    list-style: none;
    padding: 0;
    margin: var(--space-lg) 0;
}

.story-list li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--slate-600);
}

.story-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
    border-radius: 50%;
}

.story-list li strong {
    color: var(--slate-800);
}

/* Subheading */
.story-subheading {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--slate-800);
    margin: var(--space-xl) 0 var(--space-md);
}

/* ==================== HISTORY TIMELINE ==================== */
.story-timeline-history {
    position: relative;
    padding-left: var(--space-xl);
    margin-top: var(--space-xl);
}

.story-timeline-history::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--blue-400), var(--blue-200));
    border-radius: 1px;
}

.history-item {
    position: relative;
    padding: var(--space-md) 0 var(--space-lg) var(--space-lg);
}

.history-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 12px;
    width: 10px;
    height: 10px;
    background: var(--blue-500);
    border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: 0 0 0 2px var(--blue-500);
}

.history-date {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--blue-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
    padding: 4px 12px;
    background: var(--blue-50);
    border-radius: var(--radius-sm);
}

.history-item p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--slate-600);
}

/* ==================== CTA GROUP ==================== */
.story-cta-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.story-cta-item {
    padding: var(--space-xl);
    background: var(--slate-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-100);
    transition: all 0.3s ease;
}

.story-cta-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-color: var(--blue-100);
}

.story-cta-item p {
    font-size: 1rem;
    color: var(--slate-700);
    margin-bottom: var(--space-md);
}

.story-cta-item .cta-button {
    margin-bottom: 0;
}

.story-email-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--blue-600);
    text-decoration: none;
    transition: all 0.3s ease;
}

.story-email-link:hover {
    color: var(--blue-500);
    text-decoration: underline;
}

.story-email-link::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%232563EB' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* ==================== RESPONSIVE - TABLET ==================== */
@media (max-width: 900px) {
    .story-layout {
        grid-template-columns: 1fr;
        position: relative;
    }

    /* Bottom navigation bar on mobile */
    .story-nav {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        height: auto;
        max-height: none;
        padding: var(--space-sm) var(--space-md);
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid var(--slate-200);
        box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
        z-index: 999;
    }

    .story-timeline {
        flex-direction: row;
        justify-content: space-between;
        gap: 0;
        padding: 0 var(--space-sm);
    }

    .timeline-track {
        display: none;
    }

    .timeline-item {
        flex-direction: column;
        padding: var(--space-sm);
        gap: 4px;
        flex: 1;
        align-items: center;
    }

    .timeline-node {
        width: 12px;
        height: 12px;
    }

    .timeline-label {
        font-size: 0.6875rem;
        text-align: center;
        white-space: normal;
        max-width: 60px;
        line-height: 1.2;
    }

    .timeline-item.active .timeline-node {
        transform: scale(1.2);
    }

    .timeline-item.active .timeline-label {
        transform: none;
    }

    .story-content {
        padding: var(--space-xl) var(--space-md) calc(var(--space-3xl) + 80px);
        max-width: 100%;
    }

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

/* ==================== RESPONSIVE - MOBILE ==================== */
@media (max-width: 600px) {
    .story-nav {
        padding: var(--space-xs) var(--space-sm);
    }

    .story-timeline {
        padding: 0;
    }

    .timeline-item {
        padding: var(--space-xs);
    }

    .timeline-label {
        font-size: 0.625rem;
        max-width: 50px;
    }

    .timeline-node {
        width: 10px;
        height: 10px;
    }

    .story-content {
        padding: var(--space-lg) var(--space-md) calc(var(--space-2xl) + 70px);
    }

    .story-section-title {
        font-size: 1.5rem;
    }

    .story-lead {
        font-size: 1.125rem;
    }

    .story-section p,
    .story-list li {
        font-size: 1rem;
    }

    .story-quote {
        font-size: 1.125rem;
        padding: var(--space-lg);
    }

    .story-cta-group {
        gap: var(--space-md);
    }

    .story-cta-item {
        padding: var(--space-lg);
    }
}

/* ==================== REDUCED MOTION ==================== */
@media (prefers-reduced-motion: reduce) {
    .timeline-progress,
    .timeline-node,
    .timeline-label,
    .timeline-item,
    .story-section {
        transition: none;
    }

    .story-section {
        opacity: 1;
        transform: none;
    }
}