/* ===================================
   Portfolio Page — Caratrix
   =================================== */

/* ── Portfolio Hero ─────────────────────── */
.portfolio-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: 160px 0 80px;
    overflow: hidden;
}

.portfolio-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.portfolio-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.portfolio-hero-title {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    margin-bottom: 24px;
    font-weight: 700;
}

.portfolio-hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 48px;
}

.portfolio-hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.ph-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ph-stat-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.ph-stat-suffix {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ph-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.ph-stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border-light);
}

/* ── Case Study Sections ────────────────── */
.case-study {
    padding: 100px 0;
    border-top: 1px solid var(--border-light);
}

.case-study-alt {
    background: var(--bg-secondary);
}

/* Case Header */
.case-header {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    margin-bottom: 60px;
}

.case-number {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 700;
    line-height: 1;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
}

.case-meta {
    padding-top: 10px;
}

.case-industry {
    display: inline-block;
    padding: 5px 14px;
    background: var(--gold-muted);
    border: 1px solid var(--border-primary);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--gold-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.case-brand {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 700;
}

/* Problem / Solution Block */
.problem-solution-block {
    margin-bottom: 48px;
}

.solution-block {
    margin-top: 16px;
}

.ps-header {
    margin-bottom: 24px;
}

.ps-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.problem-label {
    color: #9ca3af;
}

.problem-label svg {
    stroke: #9ca3af;
}

.solution-label {
    color: var(--gold-primary);
}

.solution-label svg {
    stroke: var(--gold-primary);
}

/* Problem / Solution Cards Grid */
.problems-grid,
.solutions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.problem-card,
.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.problem-card:hover,
.solution-card:hover {
    border-color: var(--border-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Image wrappers */
.problem-img-wrapper,
.solution-img-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.problem-img,
.solution-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0, 0.2, 1);
}

.problem-card:hover .problem-img,
.solution-card:hover .solution-img {
    transform: scale(1.05);
}

/* Badges on images */
.problem-badge,
.solution-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 5px 14px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(12px);
    z-index: 2;
}

.problem-badge {
    background: rgba(156, 163, 175, 0.15);
    color: #9ca3af;
    border: 1px solid rgba(156, 163, 175, 0.3);
}

.solution-badge {
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-primary);
    border: 1px solid var(--border-primary);
}

/* Card content */
.problem-content,
.solution-content {
    padding: 24px;
}

.problem-content h4,
.solution-content h4 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.problem-content p,
.solution-content p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.problem-content strong {
    color: #9ca3af;
}

.solution-content strong {
    color: var(--gold-primary);
}

.solution-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.tag {
    padding: 4px 12px;
    background: var(--gold-muted);
    border: 1px solid var(--border-primary);
    border-radius: 100px;
    font-size: 0.72rem;
    color: var(--gold-primary);
    font-weight: 600;
}

/* ── Case Metrics ───────────────────────── */
.case-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--border-light);
}

.case-metric {
    text-align: center;
    padding: 28px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    transition: all var(--transition-medium);
}

.case-metric:hover {
    border-color: var(--border-primary);
    box-shadow: var(--shadow-gold);
    transform: translateY(-4px);
}

.cm-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.cm-suffix {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cm-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ── Portfolio CTA ──────────────────────── */
.portfolio-cta {
    padding: 120px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
}

.pcta-content {
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.pcta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.pcta-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.pcta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Scroll Animations ──────────────────── */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.case-study .problem-card,
.case-study .solution-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.case-study .problem-card.visible,
.case-study .solution-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.case-study .problem-card:nth-child(2),
.case-study .solution-card:nth-child(2) {
    transition-delay: 0.15s;
}

/* ── Placeholder Images ─────────────────── */
.placeholder-img {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    gap: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.placeholder-img span {
    opacity: 0.7;
}

.problem-placeholder {
    background: linear-gradient(145deg, #0f1318 0%, #151a20 50%, #0f1318 100%);
    color: #9ca3af;
}

.problem-placeholder svg {
    stroke: rgba(156, 163, 175, 0.4);
}

.solution-placeholder {
    background: linear-gradient(145deg, #1a1508 0%, #2a2210 50%, #1a1508 100%);
    color: var(--gold-primary);
}

.solution-placeholder svg {
    stroke: rgba(212, 175, 55, 0.5);
}

.problem-img-wrapper img,
.solution-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.problem-card:hover .problem-img-wrapper img,
.solution-card:hover .solution-img-wrapper img {
    transform: scale(1.05);
}

/* Workflow Mock Diagram */
.workflow-placeholder {
    padding: 24px 20px;
}

.workflow-mock {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 16px;
}

.wf-node {
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    white-space: nowrap;
}

.wf-trigger {
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.4);
    color: #a78bfa;
}

.wf-segment {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.35);
    color: #86efac;
}

.wf-email {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.35);
    color: #93c5fd;
}

.wf-analytics {
    background: rgba(251, 146, 60, 0.15);
    border: 1px solid rgba(251, 146, 60, 0.35);
    color: #fdba74;
}

.wf-line {
    width: 20px;
    height: 2px;
    background: rgba(255, 255, 255, 0.15);
    flex-shrink: 0;
}

/* ── Active nav link ────────────────────── */
.nav-link.active {
    color: var(--gold-primary);
}

/* ── Responsive ─────────────────────────── */
@media (max-width: 1024px) {

    .problems-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }

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

    .case-header {
        flex-direction: column;
        gap: 8px;
    }

    .case-number {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .portfolio-hero {
        min-height: auto;
        padding: 140px 0 60px;
    }

    .portfolio-hero-stats {
        gap: 24px;
    }

    .ph-stat-number {
        font-size: 2rem;
    }

    .ph-stat-divider {
        display: none;
    }

    .case-study {
        padding: 60px 0;
    }

    .case-metrics {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .case-metric {
        padding: 20px 12px;
    }

    .cm-number {
        font-size: 1.8rem;
    }

    .portfolio-cta {
        padding: 80px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        flex-direction: column;
        background: var(--bg-card);
        padding: 100px 32px 32px;
        gap: 24px;
        transition: right var(--transition-medium);
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-cta {
        display: none;
    }
}

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

    .portfolio-hero-title {
        font-size: 2rem;
    }

    .case-brand {
        font-size: 1.6rem;
    }
}

/* ── Text-Only Card Variant ──────────────── */
.card-text-only {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-text-only .problem-img-wrapper,
.card-text-only .solution-img-wrapper {
    display: none;
}

.card-text-only .problem-content,
.card-text-only .solution-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 32px 28px;
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    margin-bottom: 20px;
}

.card-icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 1.5;
}

.problem-card .card-icon {
    background: linear-gradient(135deg, rgba(156, 163, 175, 0.1), rgba(156, 163, 175, 0.05));
    color: #9ca3af;
    border: 1px solid rgba(156, 163, 175, 0.15);
}

.solution-card .card-icon {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.05));
    color: var(--gold-primary);
    border: 1px solid rgba(212, 175, 55, 0.15);
}

.card-text-only h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}