/* ============================================
   VISION PAGE STYLES
   NestMind Brand: Solid colors, no gradients
   ============================================ */

/* ============================================
   ANIMATIONS (scroll-reveal + hover)
   ============================================ */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    opacity: 0;
    transform: translateY(24px);
}

.fade-up.visible {
    animation: fadeUp 0.6s cubic-bezier(0, 0, 0.2, 1) forwards;
}

/* Stagger delays for philosophy cards */
.philosophy-card.fade-up:nth-child(1).visible { animation-delay: 0ms; }
.philosophy-card.fade-up:nth-child(2).visible { animation-delay: 100ms; }
.philosophy-card.fade-up:nth-child(3).visible { animation-delay: 200ms; }
.philosophy-card.fade-up:nth-child(4).visible { animation-delay: 300ms; }

/* Stagger for principle items */
.principle-item.fade-up:nth-child(1).visible { animation-delay: 0ms; }
.principle-item.fade-up:nth-child(2).visible { animation-delay: 80ms; }
.principle-item.fade-up:nth-child(3).visible { animation-delay: 160ms; }
.principle-item.fade-up:nth-child(4).visible { animation-delay: 240ms; }

/* ============================================
   VISION HERO
   ============================================ */

.vision-hero {
    padding: 160px 0 var(--space-3xl);
    border-bottom: 1px solid var(--color-border);
}

.vision-hero-content {
    max-width: 900px;
}

.vision-label {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.vision-title {
    font-family: var(--font-serif);
    font-size: var(--text-7xl);
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
}

@media (max-width: 768px) {
    .vision-hero {
        padding: var(--space-3xl) 0 var(--space-2xl);
    }
    .vision-title {
        font-size: var(--text-5xl);
    }
}

/* ============================================
   VISION SECTIONS
   ============================================ */

.vision-section {
    padding: var(--space-4xl) 0;
}

.vision-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-3xl);
    max-width: 1100px;
}

@media (max-width: 768px) {
    .vision-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

.vision-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

@media (max-width: 768px) {
    .vision-sidebar {
        position: static;
    }
}

.sidebar-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-text-tertiary);
    letter-spacing: 0.02em;
}

.sidebar-screenshot {
    margin-top: var(--space-xl);
}

.phone-screenshot {
    width: 100%;
    max-width: 280px;
    border-radius: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

@media (max-width: 768px) {
    .sidebar-screenshot {
        display: none;
    }
}

.vision-content {
    max-width: 650px;
}

.vision-lead {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 400;
    line-height: 1.45;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xl);
}

.vision-text {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.vision-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* ============================================
   DIVIDERS
   ============================================ */

.vision-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-2xl) 0;
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
}

.divider-line {
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

.divider-pattern {
    width: 80px;
    height: 20px;
    background-image: repeating-linear-gradient(
        -45deg,
        var(--color-border),
        var(--color-border) 1px,
        transparent 1px,
        transparent 6px
    );
    opacity: 0.6;
}

/* ============================================
   PHILOSOPHY CARDS
   ============================================ */

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-3xl);
    max-width: 1100px;
}

@media (max-width: 768px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
}

.philosophy-card {
    padding: var(--space-xl) var(--space-lg);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    transition:
        transform var(--transition-slow) var(--ease-out),
        box-shadow var(--transition-slow) var(--ease-out),
        border-color var(--transition-base) var(--ease-in-out);
}

.philosophy-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.philosophy-icon {
    font-size: 40px;
    display: block;
    margin-bottom: var(--space-xs);
}

.philosophy-number {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.philosophy-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.philosophy-text {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin: 0;
}

/* ============================================
   PRINCIPLES LIST
   ============================================ */

.principles-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.principle-item {
    display: flex;
    gap: var(--space-lg);
}

.principle-marker {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    background-color: var(--color-accent);
    border-radius: 50%;
    margin-top: 8px;
}

.principle-content h4 {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.principle-content p {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin: 0;
}

/* ============================================
   VISION CTA
   ============================================ */

.vision-cta {
    padding: var(--space-4xl) 0;
    background-color: #F5F5F5;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.vision-cta h2 {
    font-family: var(--font-serif);
    font-size: var(--text-5xl);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

@media (max-width: 768px) {
    .vision-cta h2 {
        font-size: var(--text-3xl);
    }
}

.vision-cta p {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.vision-cta .cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

@media (max-width: 640px) {
    .vision-cta .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ============================================
   HERO SUBTITLE
   ============================================ */

.vision-hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    margin-top: var(--space-md);
    margin-bottom: 0;
}

.vision-hero-subtitle strong {
    color: var(--color-accent);
}

/* ============================================
   ORIGIN SIGNATURE
   ============================================ */

.vision-signature {
    font-family: var(--font-serif);
    font-size: var(--text-base);
    font-style: italic;
    color: var(--color-text-tertiary);
    margin-top: var(--space-xl);
    margin-bottom: 0;
}

/* ============================================
   ROADMAP PREVIEW
   ============================================ */

.roadmap-preview {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background-color: #F5F5F5;
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.roadmap-title {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.roadmap-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.roadmap-list li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.roadmap-status {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 10px;
    border-radius: 4px;
    flex-shrink: 0;
}

.roadmap-status.building {
    background-color: rgba(229, 62, 62, 0.12);
    color: var(--color-accent);
}

.roadmap-status.planned {
    background-color: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
}

.roadmap-status.exploring {
    background-color: rgba(139, 92, 246, 0.12);
    color: #8b5cf6;
}