/* ===================================
   Section Styles - Ensemble, Inc.
   =================================== */

/* ──────────────────────────────────────
   HERO SECTION
   ────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: var(--z-content);
}

.hero-tagline {
    font-family: var(--font-ja);
    font-size: var(--fs-hero-sub);
    font-weight: var(--fw-light);
    color: var(--color-text-secondary);
    letter-spacing: var(--ls-wide);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1s var(--ease-out-expo) 2.5s forwards;
}

.hero-title {
    font-family: var(--font-en);
    font-size: var(--fs-hero);
    font-weight: var(--fw-light);
    letter-spacing: 0.08em;
    text-transform: lowercase;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeIn 1.2s var(--ease-out-expo) 2.8s forwards;
}

.hero-title .accent-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    margin-left: 2px;
    vertical-align: baseline;
    box-shadow: 0 0 20px var(--color-accent-glow-strong);
    animation: pulseGlow 2s var(--ease-in-out-sine) infinite;
}

.hero-subtitle {
    font-family: var(--font-ja);
    font-size: var(--fs-body);
    font-weight: var(--fw-light);
    color: var(--color-text-muted);
    max-width: 500px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1s var(--ease-out-expo) 3.2s forwards;
}

@keyframes heroFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    animation: heroFadeIn 1s var(--ease-out-expo) 3.8s forwards;
}

.hero-scroll-text {
    font-family: var(--font-en);
    font-size: var(--fs-caption);
    letter-spacing: var(--ls-wider);
    color: var(--color-text-muted);
    text-transform: uppercase;
    writing-mode: vertical-lr;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-accent), transparent);
    animation: scrollBounce 2s var(--ease-in-out-sine) infinite;
}


/* ──────────────────────────────────────
   PRINCIPLES SECTION 
   ────────────────────────────────────── */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.principle-card {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

.principle-card .card-icon {
    margin: 0 auto var(--space-md);
    width: 52px;
    height: 52px;
    font-size: 1.4rem;
    border-radius: var(--radius-md);
}

.principle-card .card-title {
    font-size: var(--fs-small);
    line-height: var(--lh-normal);
}

/* Comparison */
.comparison-block {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.comparison-general {
    padding: var(--space-lg);
}

.comparison-general h4 {
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.comparison-service {
    padding: var(--space-lg);
    border-color: var(--color-accent) !important;
    background: rgba(59, 130, 246, 0.03) !important;
}

.comparison-service h4 {
    font-size: var(--fs-small);
    font-weight: var(--fw-bold);
    color: var(--color-accent-light);
    margin-bottom: var(--space-md);
}

/* Support flow icons */
.support-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-md);
    gap: var(--space-sm);
}

.support-flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    flex: 1;
}

.support-flow-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    color: var(--color-accent-light);
    font-size: 0.9rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
    position: relative;
}

.support-flow-icon.active {
    background: var(--color-accent);
    color: white;
    box-shadow: var(--shadow-glow);
}

.support-flow-connector {
    flex: 1;
    height: 1px;
    background: var(--color-border-card);
    max-width: 60px;
}

.support-flow-label {
    font-size: var(--fs-caption);
    color: var(--color-text-muted);
}

.support-flow-subtitle {
    text-align: center;
    margin-top: var(--space-md);
    font-size: var(--fs-small);
    color: var(--color-accent-light);
    font-weight: var(--fw-medium);
}

/* Purpose block */
.purpose-block {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(99, 102, 241, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.purpose-block::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    pointer-events: none;
}

.purpose-label {
    font-size: var(--fs-caption);
    font-weight: var(--fw-bold);
    letter-spacing: var(--ls-wider);
    color: var(--color-accent-light);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
}

.purpose-text {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.purpose-emphasis {
    font-size: var(--fs-heading);
    font-weight: var(--fw-bold);
    color: var(--color-text-primary);
}


/* ──────────────────────────────────────
   CHALLENGES SECTION
   ────────────────────────────────────── */
.challenges-intro {
    text-align: center;
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.challenges-grid-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    max-width: 66%;
    margin: 0 auto var(--space-xl);
}

.challenge-card {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

.challenge-card .card-icon {
    margin: 0 auto var(--space-md);
}

.challenge-card .card-title {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    line-height: var(--lh-normal);
}

.challenge-conclusion {
    text-align: center;
    padding: var(--space-lg);
    position: relative;
}

.challenge-conclusion-text {
    font-size: var(--fs-heading);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    line-height: var(--lh-relaxed);
}


/* ──────────────────────────────────────
   ABOUT US SECTION
   ────────────────────────────────────── */
.about-intro {
    text-align: center;
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.about-intro p {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    line-height: var(--lh-relaxed);
}

.about-pillars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.pillar-card {
    padding: var(--space-xl);
}

.pillar-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.pillar-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--color-accent-glow);
    color: var(--color-accent-light);
    font-size: 1.3rem;
}

.pillar-title-group h3 {
    font-size: var(--fs-body);
    font-weight: var(--fw-bold);
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.pillar-title-group .caption {
    font-size: var(--fs-caption);
}

.about-footer {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.about-footer p {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    line-height: var(--lh-relaxed);
}

.about-footer strong {
    color: var(--color-text-primary);
}


/* ──────────────────────────────────────
   SERVICE ROADMAP SECTION
   ────────────────────────────────────── */
.roadmap-phase {
    position: relative;
    margin-bottom: var(--space-md);
}

.phase-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.phase-badge {
    flex-shrink: 0;
    min-width: 120px;
}

.phase-badge .badge {
    display: block;
    margin-bottom: var(--space-xs);
}

.phase-badge h3 {
    font-size: var(--fs-heading);
    font-weight: var(--fw-bold);
    color: var(--color-text-primary);
    line-height: var(--lh-tight);
}

.phase-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.phase-details ul {
    list-style: disc;
    padding-left: var(--space-lg);
}

.phase-details li {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

/* Phase 3 sub-items */
.phase-subitems {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.phase-subitem {
    text-align: center;
    padding: var(--space-lg) var(--space-sm);
}

.phase-subitem.highlighted {
    border-color: var(--color-accent) !important;
    background: rgba(59, 130, 246, 0.05) !important;
}

.phase-subitem-num {
    font-family: var(--font-en);
    font-size: var(--fs-caption);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.phase-subitem-icon {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

.phase-subitem-text {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    line-height: var(--lh-normal);
}

/* Phase 4 check items */
.phase-checks {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-md) 0;
}

.phase-checks li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
}

.phase-checks li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: var(--fw-bold);
}

/* Goal block */
.goal-block {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    margin-top: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.goal-block::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    pointer-events: none;
}

.goal-label {
    font-family: var(--font-en);
    font-size: var(--fs-caption);
    font-weight: var(--fw-bold);
    letter-spacing: var(--ls-wider);
    color: var(--color-accent-light);
    margin-bottom: var(--space-sm);
}

.goal-text {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.goal-emphasis {
    font-size: var(--fs-heading);
    font-weight: var(--fw-bold);
    color: var(--color-text-primary);
}


/* ──────────────────────────────────────
   CASE STUDY SECTION
   ────────────────────────────────────── */
.case-before {
    padding: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.case-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.case-label-text {
    font-family: var(--font-en);
    font-size: var(--fs-caption);
    font-weight: var(--fw-bold);
    letter-spacing: var(--ls-wider);
    color: var(--color-accent-light);
    text-transform: uppercase;
}

.case-label-icon {
    font-size: 1.2rem;
}

.case-label-subtitle {
    font-size: var(--fs-small);
    color: var(--color-text-muted);
    display: block;
    margin-top: 2px;
}

.case-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.case-items li {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    padding-left: var(--space-md);
    position: relative;
}

.case-items li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

/* Action flow */
.case-action-flow {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) 0;
    overflow-x: auto;
}

.case-action-step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-card);
    border-radius: var(--radius-sm);
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.case-action-step .step-icon {
    font-size: 1rem;
}

.case-action-arrow {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

/* After blocks */
.case-after-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-sm);
}

.case-after-card {
    padding: var(--space-lg);
    border-color: rgba(52, 211, 153, 0.2) !important;
    background: rgba(52, 211, 153, 0.03) !important;
}

.case-after-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.case-after-label {
    font-family: var(--font-en);
    font-size: var(--fs-caption);
    font-weight: var(--fw-bold);
    letter-spacing: var(--ls-wider);
    color: var(--color-success);
    text-transform: uppercase;
}

.case-after-title {
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
}

/* Point block */
.case-point {
    text-align: center;
    padding: var(--space-xl);
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.06), rgba(59, 130, 246, 0.06));
    border: 1px solid rgba(52, 211, 153, 0.15);
    border-radius: var(--radius-lg);
    margin-top: var(--space-xl);
}

.case-point-label {
    font-family: var(--font-en);
    font-size: var(--fs-caption);
    font-weight: var(--fw-bold);
    letter-spacing: var(--ls-wider);
    color: var(--color-success);
    margin-bottom: var(--space-sm);
}

.case-point-text {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    line-height: var(--lh-relaxed);
}

.case-point-emphasis {
    font-weight: var(--fw-bold);
    color: var(--color-text-primary);
}


/* ──────────────────────────────────────
   FOOTER / CTA SECTION
   ────────────────────────────────────── */
.footer-section {
    padding: var(--section-padding) 0;
    text-align: center;
    position: relative;
}

.footer-cta {
    margin-bottom: var(--space-3xl);
}

.footer-cta h2 {
    font-size: var(--fs-section-title);
    font-weight: var(--fw-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.footer-cta p {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--gradient-cta);
    color: white;
    font-family: var(--font-ja);
    font-size: var(--fs-body);
    font-weight: var(--fw-medium);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: transform var(--duration-normal) var(--ease-out-expo),
        box-shadow var(--duration-normal) var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.cta-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.cta-button:hover::before {
    opacity: 1;
}

.cta-button .arrow {
    transition: transform var(--duration-normal) var(--ease-out-expo);
}

.cta-button:hover .arrow {
    transform: translateX(4px);
}

/* Footer info */
.footer-info {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border-card);
}

.footer-company {
    font-family: var(--font-en);
    font-size: var(--fs-body);
    font-weight: var(--fw-light);
    letter-spacing: var(--ls-wide);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.footer-copyright {
    font-family: var(--font-en);
    font-size: var(--fs-caption);
    color: var(--color-text-muted);
    letter-spacing: var(--ls-wide);
}

/* ──────────────────────────────────────
   RESPONSIVE OVERRIDES
   ────────────────────────────────────── */
@media (max-width: 768px) {
    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .comparison-block {
        grid-template-columns: 1fr;
    }

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

    .challenges-grid-bottom {
        max-width: 100%;
        grid-template-columns: 1fr;
    }

    .about-pillars {
        grid-template-columns: 1fr;
    }

    .phase-header {
        flex-direction: column;
    }

    .phase-details {
        grid-template-columns: 1fr;
    }

    .phase-subitems {
        grid-template-columns: repeat(2, 1fr);
    }

    .phase-checks {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .case-items {
        grid-template-columns: 1fr;
    }

    .case-action-flow {
        flex-wrap: wrap;
    }

    .case-after-grid {
        grid-template-columns: 1fr;
    }

    .support-flow {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .principles-grid {
        grid-template-columns: 1fr;
    }

    .phase-subitems {
        grid-template-columns: 1fr;
    }
}