/* ============================================
   CASE-STUDY-PAGE.CSS — used on case-studies/*.html.
   Tokens + primitives live in tokens.css + base.css.
   Light editorial system — see DESIGN.md.
   ============================================ */

.realization-hero {
    position: relative;
    background: var(--aura-corner-wash);
    color: var(--fg-1);
    padding: clamp(3rem, 5.5vw, 4.5rem) 0 clamp(2.5rem, 4vw, 4rem);
    overflow: hidden;
}

.realization-hero .hero-title {
    font-family: var(--font-display);
    font-size: var(--fs-title);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--fg-1);
    margin-bottom: 18px;
    max-width: 22ch;
    text-wrap: balance;
}

.realization-hero__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.4rem 0.9rem 0.4rem 0.45rem;
    border-radius: var(--radius-pill);
    background: var(--white);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    color: var(--fg-1);
}

.realization-hero__brand-logo {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--white);
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid var(--border-subtle);
}

.realization-hero__brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.realization-hero__brand-name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    color: var(--fg-2);
    line-height: 1;
}

.realization-hero .hero-description {
    font-size: var(--fs-lead);
    line-height: 1.55;
    color: var(--fg-2);
    max-width: 64ch;
}

/* ----- Main Image ----- */

.realization-main-image {
    padding-block: clamp(2.5rem, 5vw, 5rem);
    background: var(--white);
}

.realization-main-image .feature-frame {
    max-width: clamp(1040px, 92vw, 1200px);
    margin-inline: auto;
    padding: clamp(1.5rem, 4vw, 3.25rem) clamp(1.5rem, 5vw, 3.75rem);
}

.main-image-wrapper {
    max-width: 960px;
    margin-inline: auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.main-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* ----- Project Overview ----- */

.project-overview {
    background: var(--surface-sunken);
    padding-block: var(--section-pad-y);
}

.project-overview h2 {
    font-family: var(--font-display);
    font-size: var(--fs-title-sm);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--fg-1);
    margin-bottom: 32px;
    max-width: 24ch;
}

.overview-grid {
    display: grid;
    gap: 40px;
}

.overview-item h3 {
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-3);
    margin-bottom: 18px;
}

.checkmark-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkmark-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: var(--fs-body);
    line-height: 1.55;
    color: var(--fg-2);
}

.checkmark-list li::before {
    content: '';
    display: block;
    width: 22px;
    height: 22px;
    min-width: 22px;
    margin-top: 3px;
    background-image: url("data:image/svg+xml,%3Csvg width='22' height='22' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='12' cy='12' r='10' stroke='%23141EC8' stroke-width='1.4'/%3E%3Cpath d='M9 12L11 14L15 10' stroke='%23141EC8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* ----- Problem Box (dark aura panel) ----- */

.problem-section { margin-top: 56px; }

.problem-box {
    background: var(--aura-gradient);
    border-radius: var(--radius-2xl);
    padding: clamp(2rem, 5vw, 4rem);
    color: var(--white);
    text-align: center;
}

.problem-box h3 {
    font-family: var(--font-display);
    font-size: var(--fs-title-sm);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 28px;
}

.problem-quote {
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-xl);
    padding: clamp(1.25rem, 3vw, 2rem) clamp(1.5rem, 4vw, 3.5rem);
    margin-bottom: 26px;
}

.problem-quote p {
    font-family: var(--font-serif-italic);
    font-style: italic;
    font-size: clamp(1.25rem, 2.4vw, 1.5rem);
    font-weight: 400;
    line-height: 1.3;
    color: var(--fg-1);
    text-align: center;
    margin: 0;
}

.problem-description {
    font-size: var(--fs-body);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
    max-width: 60ch;
    margin-inline: auto;
}

/* ----- Key Benefits ----- */

.key-benefits {
    background: var(--white);
    padding-block: var(--section-pad-y);
}

.key-benefits h2 {
    font-family: var(--font-display);
    font-size: var(--fs-title-sm);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--fg-1);
    text-align: center;
    margin-bottom: 14px;
}

.section-subtitle {
    font-size: var(--fs-lead);
    line-height: 1.55;
    color: var(--fg-2);
    text-align: center;
    max-width: 60ch;
    margin: 0 auto 44px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 1024px) {
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .benefits-grid { grid-template-columns: 1fr; }
}

.benefit-card {
    background: var(--white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: clamp(1.5rem, 3vw, 2rem);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 18px;
    color: var(--main-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-soft-tint);
    border-radius: var(--radius-md);
}

.benefit-icon svg { width: 24px; height: 24px; }

.benefit-card h3 {
    font-family: var(--font-display);
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--fg-1);
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: var(--fs-small);
    line-height: 1.55;
    color: var(--fg-2);
}

/* ----- Challenges ----- */

.challenges-section {
    background: var(--surface-sunken);
    padding-block: var(--section-pad-y);
}

.challenges-section h2 {
    font-family: var(--font-display);
    font-size: var(--fs-title-sm);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--fg-1);
    margin-bottom: 32px;
    max-width: 24ch;
}

.challenge-item {
    background: var(--white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: 16px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
}

@media (max-width: 640px) {
    .challenge-item { flex-direction: column; gap: 16px; }
}

.challenge-item .challenge-icon {
    min-width: 44px;
    width: 44px;
    height: 44px;
    color: var(--complementary-1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(220, 60, 180, 0.08);
    border-radius: var(--radius-md);
}

.challenge-content h3 {
    font-family: var(--font-display);
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--fg-1);
    margin-bottom: 6px;
}

.challenge-content p {
    font-size: var(--fs-body);
    line-height: 1.55;
    color: var(--fg-2);
}

/* ----- Approach (dark aura panel) ----- */

.approach-section {
    background: var(--white);
    padding-block: var(--section-pad-y);
}

.approach-box {
    background: var(--aura-gradient);
    border-radius: var(--radius-2xl);
    padding: clamp(2rem, 5vw, 4rem);
    text-align: center;
    color: var(--white);
    max-width: 1280px;
    margin-inline: auto;
}

.approach-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 24px;
    color: var(--white);
}

.approach-box h2 {
    font-family: var(--font-display);
    font-size: var(--fs-title-sm);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 12px;
}

.approach-subtitle {
    font-size: var(--fs-lead);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 26px;
    max-width: 60ch;
    margin-inline: auto;
}

.approach-quote {
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-xl);
    padding: clamp(1.25rem, 3vw, 2rem) clamp(1.5rem, 4vw, 3.5rem);
    margin: 26px auto;
    max-width: 900px;
}

.approach-quote p {
    font-family: var(--font-serif-italic);
    font-style: italic;
    font-size: clamp(1.25rem, 2.4vw, 1.5rem);
    font-weight: 400;
    line-height: 1.3;
    color: var(--fg-1);
    margin: 0;
}

.approach-description {
    font-size: var(--fs-body);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin-top: 26px;
    max-width: 60ch;
    margin-inline: auto;
}

/* ----- Solution ----- */

.solution-section {
    background: var(--surface-sunken);
    padding-block: var(--section-pad-y);
}

.solution-section h2 {
    font-family: var(--font-display);
    font-size: var(--fs-title-sm);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--fg-1);
    margin-bottom: 14px;
}

.solution-step {
    background: var(--white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: 16px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
}

@media (max-width: 640px) {
    .solution-step { flex-direction: column; gap: 16px; }
}

.solution-step .step-number {
    min-width: 48px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--main-accent);
    padding-top: 4px;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--fg-1);
    margin-bottom: 8px;
}

.step-content > p {
    font-size: var(--fs-body);
    line-height: 1.55;
    color: var(--fg-2);
    margin-bottom: 16px;
}

.step-highlight {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--surface-soft-tint);
    border-radius: var(--radius-md);
}

.step-highlight svg {
    min-width: 22px;
    width: 22px;
    height: 22px;
    color: var(--main-accent);
}

.step-highlight p {
    font-size: var(--fs-small);
    line-height: 1.5;
    color: var(--main-accent-dark);
    margin: 0;
}

/* ----- CTA ----- */

.cta-section {
    padding-block: var(--section-pad-y-sm);
    background: var(--white);
}

.cta-section .cta-content {
    background: var(--aura-gradient);
    border-radius: var(--radius-2xl);
    padding: clamp(2.5rem, 6vw, 5rem);
    text-align: center;
    color: var(--white);
    max-width: 1280px;
    margin-inline: auto;
}

.cta-section .cta-content h2 {
    font-family: var(--font-display);
    font-size: var(--fs-title-sm);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 14px;
    max-width: 24ch;
    margin-inline: auto;
}

.cta-section .cta-content p {
    font-size: var(--fs-lead);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    max-width: 60ch;
    margin-inline: auto;
}

.cta-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.95rem 1.75rem;
    font-family: var(--font-display);
    font-size: var(--fs-body);
    font-weight: 600;
    line-height: 1;
    color: var(--gray-950);
    background: var(--white);
    border: 0;
    border-radius: 14px;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-base);
}

.cta-link:hover { transform: translateY(-2px); }

/* ----- Client testimonial ----- */

.realization-testimonial {
    padding-block: clamp(2.5rem, 5vw, 4rem);
    background: var(--white);
}

.realization-testimonial__inner {
    max-width: 860px;
    margin-inline: auto;
    text-align: center;
    padding-inline: clamp(1rem, 4vw, 2rem);
}

.realization-testimonial__mark {
    width: clamp(36px, 4vw, 44px);
    color: var(--complementary-1);
    opacity: 0.35;
    margin: 0 auto clamp(1rem, 2vw, 1.5rem);
}

.realization-testimonial__text {
    font-family: var(--font-serif-italic);
    font-style: italic;
    font-size: clamp(1.35rem, 2.6vw, 1.9rem);
    font-weight: 400;
    line-height: 1.3;
    color: var(--fg-1);
    margin: 0 auto clamp(1.5rem, 3vw, 2rem);
    max-width: 28ch;
    text-wrap: balance;
}

.realization-testimonial__author {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 0.5rem 1rem 0.5rem 0.5rem;
    border-radius: var(--radius-pill);
    background: var(--surface-sunken);
    border: 1px solid var(--border-subtle);
}

.realization-testimonial__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 0 0 1px var(--border-subtle);
    flex-shrink: 0;
}

.realization-testimonial__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.realization-testimonial__name {
    font-size: var(--fs-small);
    font-weight: 600;
    color: var(--fg-1);
    margin: 0;
    line-height: 1.2;
    text-align: left;
}

.realization-testimonial__role {
    font-size: var(--fs-caption);
    color: var(--fg-3);
    margin: 0;
    line-height: 1.2;
    text-align: left;
}