/* ==========================================================================
   Nexora Web Agency — Case Study Page Styles
   Extends main.css design tokens. No standalone use — requires main.css.
   Each page sets --cs-accent in a <style> block for per-project colour.
   ========================================================================== */

:root {
    --cs-accent: var(--color-primary-accent);
}

/* --------------------------------------------------------------------------
   Scroll progress bar
   -------------------------------------------------------------------------- */
.cs-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: var(--cs-accent);
    z-index: 9999;
    transition: width 0.1s linear;
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.cs-breadcrumb {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border-subtle);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.cs-breadcrumb a {
    color: var(--color-text-secondary);
    transition: color 0.2s;
}

.cs-breadcrumb a:hover {
    color: var(--cs-accent);
    opacity: 1;
}

.cs-breadcrumb__sep {
    margin: 0 0.5rem;
    opacity: 0.4;
}

.cs-breadcrumb__current {
    color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Section base
   -------------------------------------------------------------------------- */
.cs-section {
    padding: 5rem 0;
}

.cs-section--surface {
    background-color: var(--color-bg-surface);
}

.cs-section--bordered {
    border-top: 1px solid var(--color-border-subtle);
}

/* --------------------------------------------------------------------------
   Section label  e.g. "03 — Client Challenge"
   -------------------------------------------------------------------------- */
.cs-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--cs-accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   Headings
   -------------------------------------------------------------------------- */
.cs-heading {
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.cs-subheading {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 680px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.cs-body {
    font-size: 0.975rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.15rem;
}

.cs-subhead {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.75rem;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.cs-hero {
    padding-top: 4rem;
    padding-bottom: 5rem;
    border-bottom: 1px solid var(--color-border-subtle);
    position: relative;
    overflow: hidden;
}

.cs-hero__grid {
    position: absolute;
    inset: 0;
    background-size: 40px 40px;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    mask-image: linear-gradient(to bottom, black 30%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 30%, transparent 100%);
    pointer-events: none;
}

.cs-hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

@media (max-width: 900px) {
    .cs-hero__inner {
        grid-template-columns: 1fr;
    }
}

.cs-hero__title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 1.1rem;
}

.cs-hero__desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.75;
    margin-bottom: 1.75rem;
}

.cs-hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.cs-hero__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cs-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-secondary);
    font-size: 0.78rem;
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.03);
}

/* --------------------------------------------------------------------------
   Browser mockup
   -------------------------------------------------------------------------- */
.cs-mockup {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.cs-mockup__bar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.7rem 1rem;
    background: #0e0e0e;
    border-bottom: 1px solid var(--color-border-subtle);
}

.cs-mockup__dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--color-border-subtle);
}

.cs-mockup__url {
    flex: 1;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-secondary);
}

.cs-mockup__placeholder {
    height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--color-border-subtle);
    background: repeating-linear-gradient(45deg,
            transparent, transparent 10px,
            rgba(255, 255, 255, 0.012) 10px, rgba(255, 255, 255, 0.012) 20px);
}

.cs-mockup--mobile {
    border-radius: 24px;
    max-width: 180px;
}

.cs-mockup--mobile .cs-mockup__bar {
    display: none;
}

.cs-mockup--mobile .cs-mockup__placeholder {
    height: 300px;
    border-radius: 24px;
}

/* --------------------------------------------------------------------------
   Stats strip  (S02)
   -------------------------------------------------------------------------- */
.cs-stats-strip {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
    background: var(--color-bg-surface);
}

@media (max-width: 900px) {
    .cs-stats-strip {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 580px) {
    .cs-stats-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}

.cs-stat {
    padding: 2.25rem 1.75rem;
    border-right: 1px solid var(--color-border-subtle);
    display: flex;
    flex-direction: column;
}

.cs-stat:last-child {
    border-right: none;
}

.cs-stat__value {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--cs-accent);
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 0.45rem;
}

.cs-stat__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.3rem;
}

.cs-stat__context {
    font-size: 0.775rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Two-column layout
   -------------------------------------------------------------------------- */
.cs-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: start;
}

.cs-two-col--60-40 {
    grid-template-columns: 6fr 4fr;
}

@media (max-width: 768px) {

    .cs-two-col,
    .cs-two-col--60-40 {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* --------------------------------------------------------------------------
   List
   -------------------------------------------------------------------------- */
.cs-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-top: 1.1rem;
}

.cs-list__item {
    display: flex;
    gap: 0.7rem;
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.cs-list__icon {
    color: var(--cs-accent);
    flex-shrink: 0;
    font-weight: 700;
    margin-top: 1px;
}

.cs-list strong {
    color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Process steps grid
   -------------------------------------------------------------------------- */
.cs-process {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 2.25rem;
}

@media (max-width: 680px) {
    .cs-process {
        grid-template-columns: 1fr;
    }
}

.cs-process-step {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: 1.75rem;
    transition: border-color var(--transition-speed);
}

.cs-process-step:hover {
    border-color: rgba(187, 134, 252, 0.3);
}

.cs-process-step__num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--cs-accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.6rem;
}

.cs-process-step__title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.5rem;
}

.cs-process-step__body {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Callout box
   -------------------------------------------------------------------------- */
.cs-callout {
    border-left: 3px solid var(--cs-accent);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0 8px 8px 0;
    padding: 1.35rem 1.75rem;
    margin-top: 2.25rem;
}

.cs-callout--gold {
    border-left-color: #D97706;
}

.cs-callout__label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--cs-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.cs-callout--gold .cs-callout__label {
    color: #D97706;
}

.cs-callout__body {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Colour palette
   -------------------------------------------------------------------------- */
.cs-palette {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1rem 0 2.5rem;
}

.cs-swatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.cs-swatch__color {
    width: 60px;
    height: 60px;
    border-radius: 8px;
}

.cs-swatch__name {
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.cs-swatch__hex {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--color-border-subtle);
}

/* --------------------------------------------------------------------------
   Design card grid
   -------------------------------------------------------------------------- */
.cs-design-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-top: 2.25rem;
}

@media (max-width: 900px) {
    .cs-design-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 580px) {
    .cs-design-grid {
        grid-template-columns: 1fr;
    }
}

.cs-design-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: 1.6rem;
    transition: border-color var(--transition-speed), transform var(--transition-speed);
}

.cs-design-card:hover {
    border-color: rgba(187, 134, 252, 0.25);
    transform: translateY(-2px);
}

.cs-design-card__icon {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.cs-design-card__title {
    font-size: 0.925rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.5rem;
}

.cs-design-card__body {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Before / After comparison
   -------------------------------------------------------------------------- */
.cs-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 560px) {
    .cs-compare {
        grid-template-columns: 1fr;
    }
}

.cs-compare__before,
.cs-compare__after {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border-subtle);
}

.cs-compare__tag {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    z-index: 2;
    padding: 0.22rem 0.55rem;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.cs-compare__tag--before {
    background: rgba(239, 68, 68, 0.15);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.cs-compare__tag--after {
    background: rgba(52, 211, 153, 0.15);
    color: #34D399;
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.cs-compare__placeholder {
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-border-subtle);
    background: var(--color-bg-surface);
}

/* --------------------------------------------------------------------------
   Outcomes grid
   -------------------------------------------------------------------------- */
.cs-outcomes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-top: 2.25rem;
}

@media (max-width: 768px) {
    .cs-outcomes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.cs-outcome-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: 1.75rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    transition: border-color var(--transition-speed);
}

.cs-outcome-card:hover {
    border-color: rgba(187, 134, 252, 0.25);
}

.cs-outcome-card__value {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--cs-accent);
    font-family: var(--font-mono);
    line-height: 1;
}

.cs-outcome-card__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
}

.cs-outcome-card__context {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Testimonial
   -------------------------------------------------------------------------- */
.cs-testimonial {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: 10px;
    padding: 2.5rem;
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.cs-testimonial__stars {
    color: var(--cs-accent);
    font-size: 1rem;
    margin-bottom: 0.9rem;
    letter-spacing: 3px;
}

.cs-testimonial__quote {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.cs-testimonial__pending {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--color-border-subtle);
    border-radius: 6px;
}

.cs-testimonial__name {
    font-weight: 600;
    color: #fff;
    font-size: 0.9rem;
}

.cs-testimonial__role {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   CTA section
   -------------------------------------------------------------------------- */
.cs-cta-section {
    padding: 6rem 0;
    text-align: center;
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border-subtle);
}

.cs-cta-section .cs-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--cs-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.cs-cta-section h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
    margin-bottom: 0.9rem;
    line-height: 1.2;
}

.cs-cta-section p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    max-width: 540px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.cs-cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

/* --------------------------------------------------------------------------
   Related projects
   -------------------------------------------------------------------------- */
.cs-related {
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border-subtle);
    max-width: 680px;
    margin: 0 auto;
}

.cs-related__label {
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    text-align: left;
}

.cs-related__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 560px) {
    .cs-related__grid {
        grid-template-columns: 1fr;
    }
}

.cs-related-card {
    background: var(--color-bg-base);
    border: 1px solid var(--color-border-subtle);
    border-radius: 8px;
    padding: 1.1rem 1.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-decoration: none;
    transition: border-color var(--transition-speed);
}

.cs-related-card:hover {
    border-color: var(--color-primary-accent);
    opacity: 1;
}

.cs-related-card__industry {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.cs-related-card__name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
}

.cs-related-card__link {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Placeholder  (image slot)
   -------------------------------------------------------------------------- */
.cs-placeholder {
    background: var(--color-bg-surface);
    border: 1px dashed var(--color-border-subtle);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-border-subtle);
}

.cs-placeholder--caption {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
}
/* --------------------------------------------------------------------------
   Portfolio project image system
   Real screenshots, galleries, charts, mockups, logos
   -------------------------------------------------------------------------- */

.cs-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.cs-image-frame {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid var(--color-border-subtle);
    background: rgba(255, 255, 255, 0.025);
    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.42),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.cs-image-hover {
    transition:
        transform var(--transition-speed),
        box-shadow var(--transition-speed),
        border-color var(--transition-speed);
}

.cs-image-hover:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.12);
}

/* Hero showcase */
.cs-hero-shot {
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 22px;
}

.cs-hero-shot__img {
    width: 100%;
    min-height: 420px;
    max-height: 760px;
    object-fit: cover;
    object-position: top;
}

.cs-hero-shot--glow::after {
    content: "";
    position: absolute;
    inset: -40px;
    z-index: -1;
    filter: blur(80px);
    opacity: 0.35;
    background: radial-gradient(circle, color-mix(in srgb, var(--cs-accent) 35%, transparent), transparent 72%);
}

/* Long page screenshots */
.cs-full-scroll {
    max-height: 900px;
    overflow: hidden;
}

.cs-full-scroll__img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    object-position: top;
}

/* Gallery grids (Bush Creek, rooms, amenities, portfolios) */
.cs-gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

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

.cs-gallery-card {
    min-height: 320px;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--color-border-subtle);
    background: var(--color-bg-surface);
}

.cs-gallery-card--wide {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .cs-gallery-card--wide {
        grid-column: span 1;
    }
}

.cs-gallery-image {
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
}

/* Analytics / metrics visuals */
.cs-metric-visual {
    padding: 1.25rem;
    border-radius: 14px;
    border: 1px solid var(--color-border-subtle);
    background: rgba(255, 255, 255, 0.025);
}

.cs-metric-visual__img {
    width: 100%;
    max-height: 460px;
    object-fit: contain;
}

/* Logo / trust strip */
.cs-logo-strip {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    align-items: center;
}

@media (max-width: 900px) {
    .cs-logo-strip {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 560px) {
    .cs-logo-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}

.cs-logo {
    width: 100%;
    max-height: 52px;
    object-fit: contain;
    opacity: 0.8;
}

/* Device screenshot pairs */
.cs-device-showcase {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    align-items: center;
}

@media (max-width: 900px) {
    .cs-device-showcase {
        grid-template-columns: 1fr;
    }
}

.cs-device-shot {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--color-border-subtle);
    background: var(--color-bg-surface);
}

.cs-device-shot--mobile {
    max-width: 320px;
    margin: 0 auto;
    border-radius: 28px;
}

/* Lazy loading / blur-up */
.cs-image-blur {
    filter: blur(10px);
    transform: scale(1.02);
    transition: filter 0.35s ease, transform 0.35s ease;
}

.cs-image-blur.is-loaded {
    filter: blur(0);
    transform: scale(1);
}

/* Aspect ratio helpers */
.cs-ratio-16-10 {
    aspect-ratio: 16 / 10;
}

.cs-ratio-16-9 {
    aspect-ratio: 16 / 9;
}

.cs-ratio-4-3 {
    aspect-ratio: 4 / 3;
}

.cs-ratio-1-1 {
    aspect-ratio: 1 / 1;
}
/* --------------------------------------------------------------------------
   Divider
   -------------------------------------------------------------------------- */
.cs-divider {
    height: 1px;
    background: var(--color-border-subtle);
    margin: 2.5rem 0;
}

/* --------------------------------------------------------------------------
   Mobile mockup pair
   -------------------------------------------------------------------------- */
.cs-mobile-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    justify-items: center;
}