/* ═══════════════════════════════════════════════════════════════
   Case Studies — Shared Animation & Enhancement Layer
   Requires: ../styles.css (design tokens already loaded)
═══════════════════════════════════════════════════════════════ */

/* ── Reduced-motion guard ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .cs-hero-scan::after { display: none; }
}

/* ── Hero entrance animations ────────────────────────────────── */

/* Tag — slides down from slight top offset with glow pop */
.cs-tag {
    animation: csTagEntrance 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

@keyframes csTagEntrance {
    from {
        opacity: 0;
        transform: translateY(-8px);
        letter-spacing: 0.25em;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        letter-spacing: 0.1em;
    }
}

/* Title — split reveal with gradient sweep */
.cs-title {
    animation: csTitleReveal 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both;
    background: linear-gradient(
        120deg,
        #ffffff 0%,
        #ffffff 40%,
        var(--accent-primary) 50%,
        #ffffff 60%,
        #ffffff 100%
    );
    background-size: 300% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: csTitleReveal 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both,
               csTitleShimmer 4s linear 1.2s infinite;
}

@keyframes csTitleReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes csTitleShimmer {
    0%   { background-position: 200% center; }
    100% { background-position: -200% center; }
}

/* Back link entrance */
.cs-back {
    animation: csFadeSlideDown 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0s both;
}

@keyframes csFadeSlideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Hero intro paragraph */
.cs-hero > .cs-container > .cs-p {
    animation: csFadeSlideUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.45s both;
}

@keyframes csFadeSlideUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Meta row assembles */
.cs-meta {
    animation: csFadeSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

.cs-meta-item {
    animation: csFadeSlideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.cs-meta-item:nth-child(1) { animation-delay: 0.65s; }
.cs-meta-item:nth-child(2) { animation-delay: 0.75s; }
.cs-meta-item:nth-child(3) { animation-delay: 0.85s; }
.cs-meta-item:nth-child(4) { animation-delay: 0.95s; }
.cs-meta-item:nth-child(5) { animation-delay: 1.05s; }

/* ── Hero scan-line accent (bottom edge of hero section) ─────── */
.cs-hero {
    position: relative;
    overflow: hidden;
}

.cs-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse 80% 60% at 50% 0%,
        rgba(0, 212, 255, 0.04) 0%,
        transparent 70%
    );
    pointer-events: none;
}

.cs-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -100%;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--accent-primary) 40%,
        rgba(123, 47, 247, 0.8) 60%,
        transparent 100%
    );
    animation: csScanline 3s cubic-bezier(0.4, 0, 0.2, 1) 1.2s both;
}

@keyframes csScanline {
    from { left: -100%; opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    to   { left: 100%; opacity: 0; }
}

/* ── Scroll-reveal system ────────────────────────────────────── */
/* Applied by JS when IntersectionObserver fires */
/* Base state (only when JS is active — body.cs-js class) */

body.cs-js .cs-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity  0.65s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
        filter   0.65s cubic-bezier(0.16, 1, 0.3, 1);
    filter: blur(2px);
}

body.cs-js .cs-reveal.cs-visible {
    opacity: 1;
    transform: none;
    filter: none;
}

/* Stagger children via CSS custom property */
body.cs-js .cs-stagger > .cs-reveal:nth-child(1) { transition-delay: 0ms;   }
body.cs-js .cs-stagger > .cs-reveal:nth-child(2) { transition-delay: 80ms;  }
body.cs-js .cs-stagger > .cs-reveal:nth-child(3) { transition-delay: 160ms; }
body.cs-js .cs-stagger > .cs-reveal:nth-child(4) { transition-delay: 240ms; }
body.cs-js .cs-stagger > .cs-reveal:nth-child(5) { transition-delay: 320ms; }
body.cs-js .cs-stagger > .cs-reveal:nth-child(6) { transition-delay: 400ms; }
body.cs-js .cs-stagger > .cs-reveal:nth-child(7) { transition-delay: 480ms; }
body.cs-js .cs-stagger > .cs-reveal:nth-child(8) { transition-delay: 560ms; }

/* Horizontal variant for process steps */
body.cs-js .cs-reveal--left {
    transform: translateX(-20px);
}

body.cs-js .cs-reveal--left.cs-visible {
    transform: none;
}

/* ── Section heading (overline + h2 combo) ────────────────────── */
.cs-overline {
    position: relative;
    display: inline-block;
}

.cs-overline::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-primary);
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-visible .cs-overline::after,
.cs-overline.cs-visible::after {
    width: 100%;
}

/* ── Card glow + depth on hover ──────────────────────────────── */
.cs-deliverable-card {
    transition:
        border-color var(--transition-normal),
        transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, box-shadow;
}

.cs-deliverable-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow:
        0 16px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(0, 212, 255, 0.15),
        0 0 30px rgba(0, 212, 255, 0.08);
}

/* Animated accent line on left edge of deliverable card */
.cs-deliverable-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 0;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-deliverable-card {
    position: relative;
    overflow: hidden;
}

.cs-deliverable-card:hover::before {
    height: 100%;
}

/* ── Process steps — enhanced ────────────────────────────────── */
.cs-process-step {
    transition:
        border-color 0.3s ease,
        transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.3s ease;
}

.cs-process-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(0, 212, 255, 0.12);
}

/* Animated step number on hover */
.cs-step-num {
    transition: letter-spacing 0.3s ease, color 0.2s ease;
}

.cs-process-step:hover .cs-step-num {
    letter-spacing: 0.18em;
}

/* ── Gallery items — enhanced ────────────────────────────────── */
.cs-gallery-item {
    transition:
        border-color var(--transition-normal),
        transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.35s ease;
}

.cs-gallery-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px) scale(1.01);
    box-shadow:
        0 20px 48px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(0, 212, 255, 0.2);
}

/* Image shimmer on load */
.cs-img {
    animation: csImgReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

@keyframes csImgReveal {
    from {
        opacity: 0;
        transform: scale(0.985);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: none;
        filter: none;
    }
}

/* ── Tier rows — enhanced ────────────────────────────────────── */
.cs-tier {
    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-tier:hover {
    background: rgba(0, 212, 255, 0.03);
    border-color: rgba(0, 212, 255, 0.18);
    transform: translateX(4px);
}

/* Tech tags — subtle pulse on hover */
.cs-tier-tag,
.tech-tag {
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.cs-tier:hover .cs-tier-tag {
    border-color: rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.05);
}

/* ── Table rows ──────────────────────────────────────────────── */
.cs-table tr {
    transition: background 0.2s ease;
}

/* ── Section transition line ─────────────────────────────────── */
.cs-section {
    position: relative;
}

/* ── Link button — futuristic hover ─────────────────────────── */
.cs-link-btn {
    position: relative;
    overflow: hidden;
}

.cs-link-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.06),
        transparent
    );
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.cs-link-btn:hover::after {
    transform: translateX(100%);
}

/* ── Compare card hover ──────────────────────────────────────── */
.cs-compare-card {
    transition:
        border-color 0.25s ease,
        transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.3s ease;
}

.cs-compare-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ── Futuristic grid overlay on hero image ──────────────────── */
.cs-hero-img-wrap {
    position: relative;
}

.cs-hero-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.4s ease;
}

/* ── Mini Case Study section — accent glow ───────────────────── */
.cs-mini-section {
    position: relative;
}

.cs-mini-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--accent-primary), transparent);
    opacity: 0.4;
}

/* ── Keyframes: floating particle orbits on section headings ─── */
@keyframes csOrbit {
    from { transform: rotate(0deg) translateX(3px) rotate(0deg); }
    to   { transform: rotate(360deg) translateX(3px) rotate(-360deg); }
}

/* ── Scrollbar accent matching main site ────────────────────── */
.cs-page {
    scroll-behavior: smooth;
}

/* ═══════════════════════════════════════════════════════════════
   BOLD LAYER — One-of-a-kind creative animations
═══════════════════════════════════════════════════════════════ */

/* ── 1. Cursor-following design spotlight ────────────────────── */
#cs-spotlight {
    position: fixed;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    background: radial-gradient(
        circle,
        rgba(0, 212, 255, 0.045) 0%,
        rgba(123, 47, 247, 0.02) 40%,
        transparent 70%
    );
    transform: translate(-50%, -50%);
    transition: opacity 0.4s ease;
    mix-blend-mode: screen;
    will-change: left, top;
}

/* ── 2. Terminal-style chapter breaks ────────────────────────── */
.cs-chapter-break {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    opacity: 0;
    transition: opacity 0.6s ease;
    margin-bottom: var(--space-2);
}

.cs-chapter-break.cs-visible {
    opacity: 1;
}

.cs-chapter-break::before,
.cs-chapter-break::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 212, 255, 0.2),
        transparent
    );
}

.cs-chapter-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(4px);
    animation: none;
}

.cs-chapter-break.cs-visible .cs-chapter-label {
    animation: csChapterType 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

@keyframes csChapterType {
    from {
        opacity: 0;
        transform: translateY(4px);
        letter-spacing: 0.3em;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        letter-spacing: 0.15em;
    }
}

.cs-chapter-status {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--accent-success);
    margin-left: var(--space-2);
    opacity: 0;
}

.cs-chapter-break.cs-visible .cs-chapter-status {
    animation: csStatusBlink 0.3s ease 1s both;
}

@keyframes csStatusBlink {
    0%   { opacity: 0; }
    50%  { opacity: 1; }
    70%  { opacity: 0.4; }
    100% { opacity: 1; }
}

/* ── 3. Magnetic CTA hover ───────────────────────────────────── */
.cs-magnetic {
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

/* ── 4. Hero image diagonal reveal mask ──────────────────────── */
.cs-img-masked {
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
    animation: csImageWipe 1.1s cubic-bezier(0.77, 0, 0.175, 1) 0.6s both;
}

@keyframes csImageWipe {
    0%   { clip-path: polygon(0 0, 0 0, 0 100%, 0 100%); }
    100% { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
}

/* Inner overlay that wipes in first for contrast */
.cs-img-mask-overlay {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl);
}

.cs-img-mask-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        120deg,
        rgba(0, 212, 255, 0.08) 0%,
        transparent 50%,
        rgba(123, 47, 247, 0.06) 100%
    );
    opacity: 0;
    animation: csOverlayFlash 1.6s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
    pointer-events: none;
    border-radius: inherit;
}

@keyframes csOverlayFlash {
    0%   { opacity: 0.8; }
    100% { opacity: 0; }
}

/* ── 5. Hero title word-split stagger ────────────────────────── */
.cs-title .cs-word {
    display: inline-block;
    opacity: 0;
    transform: translateY(18px) rotateX(40deg);
    filter: blur(4px);
    animation: csWordReveal 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
    transform-origin: center bottom;
}

@keyframes csWordReveal {
    to {
        opacity: 1;
        transform: none;
        filter: blur(0);
    }
}

/* ── 6. Ambient grid drift behind hero ───────────────────────── */
.cs-hero-grid {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.cs-hero-grid::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background:
        linear-gradient(rgba(0, 212, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.018) 1px, transparent 1px);
    background-size: 48px 48px;
    animation: csGridDrift 30s linear infinite;
    transform: perspective(400px) rotateX(45deg);
    mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 10%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 10%, transparent 70%);
}

@keyframes csGridDrift {
    from { transform: perspective(400px) rotateX(45deg) translateY(0); }
    to   { transform: perspective(400px) rotateX(45deg) translateY(48px); }
}

/* Hero container must sit above the grid */
.cs-hero > .cs-container {
    position: relative;
    z-index: 2;
}

/* ── 7. Scroll-linked accent hue shift (CSS variable driven) ── */
.cs-page {
    --cs-hue-shift: 0deg;
}

.cs-overline,
.cs-tag,
.cs-h4 {
    filter: hue-rotate(var(--cs-hue-shift));
}

#cs-progress-bar {
    filter: hue-rotate(var(--cs-hue-shift));
}

/* ── 8. Section border glow pulse ────────────────────────────── */
.cs-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 212, 255, 0.12),
        rgba(123, 47, 247, 0.08),
        transparent
    );
    opacity: 0;
    transition: opacity 0.6s ease;
}

.cs-section.cs-visible::after {
    opacity: 1;
}

.cs-section:last-of-type::after {
    display: none;
}

/* ── 9. Enhanced details/accordion — flip chevron + glow ─────── */
.cs-details summary {
    transition:
        background 0.25s ease,
        color 0.25s ease;
}

.cs-details summary:hover {
    background: rgba(0, 212, 255, 0.04);
}

.cs-details[open] summary {
    background: rgba(0, 212, 255, 0.06);
    color: var(--accent-primary);
}

/* ═══════════════════════════════════════════════════════════════
   SIGNATURE LAYER — The details nobody else ships
═══════════════════════════════════════════════════════════════ */

/* ── 10. Typed hero subtitle ─────────────────────────────────── */
.cs-typed-line {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-5);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    opacity: 0;
    animation: csFadeSlideUp 0.4s ease 1.3s both;
}

.cs-typed-prompt {
    color: var(--accent-primary);
    font-weight: 600;
    flex-shrink: 0;
}

.cs-typed-text {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid var(--accent-primary);
    width: 0;
    animation:
        csTypeText 2.2s steps(44, end) 1.8s forwards,
        csBlinkCaret 0.6s step-end 1.8s 6;
}

@keyframes csTypeText {
    to { width: 100%; }
}

@keyframes csBlinkCaret {
    50% { border-color: transparent; }
}

.cs-typed-text.cs-typed-done {
    border-color: transparent;
}

/* ── 11. Film grain / noise overlay ──────────────────────────── */
.cs-noise {
    position: fixed;
    inset: 0;
    z-index: 9998;
    pointer-events: none;
    opacity: 0.035;
    mix-blend-mode: overlay;
}

.cs-noise canvas {
    width: 100%;
    height: 100%;
}

/* ── 12. Section scroll-counter ──────────────────────────────── */
#cs-scroll-counter {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    z-index: 100;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: baseline;
    gap: 2px;
}

#cs-scroll-counter.cs-counter-visible {
    opacity: 1;
}

#cs-scroll-counter .cs-counter-current {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-primary);
    transition: opacity 0.15s ease;
    min-width: 1.2em;
    text-align: right;
    display: inline-block;
}

#cs-scroll-counter .cs-counter-sep {
    color: rgba(255, 255, 255, 0.15);
    margin: 0 2px;
}

#cs-scroll-counter .cs-counter-total {
    font-weight: 400;
    color: var(--text-muted);
}

/* ── 13. Magnetic gallery cursor (VIEW) ──────────────────────── */
#cs-gallery-cursor {
    position: fixed;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 9000;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
    transition:
        opacity 0.25s ease,
        transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

#cs-gallery-cursor span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-primary);
}

#cs-gallery-cursor.cs-cursor-active {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.cs-gallery-item.cs-cursor-hide {
    cursor: none;
}

/* ── 14. Time-to-read indicator ──────────────────────────────── */
.cs-read-time {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.06);
    animation: csFadeSlideUp 0.5s ease 1.1s both;
    white-space: nowrap;
}

.cs-read-time-icon {
    width: 12px;
    height: 12px;
    border: 1.5px solid var(--accent-primary);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

.cs-read-time-icon::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 50%;
    width: 1.5px;
    height: 4px;
    background: var(--accent-primary);
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(0deg);
    animation: csClockTick 3s linear infinite;
}

@keyframes csClockTick {
    to { transform: translateX(-50%) rotate(360deg); }
}

/* ── Reduced-motion overrides for all layers ─────────────────── */
@media (prefers-reduced-motion: reduce) {
    #cs-spotlight { display: none; }
    .cs-hero-grid::before { animation: none; }
    .cs-img-masked { clip-path: none; }
    .cs-title .cs-word {
        opacity: 1;
        transform: none;
        filter: none;
        animation: none;
    }
    .cs-typed-text {
        width: 100%;
        animation: none;
        border-color: transparent;
    }
    .cs-noise { display: none; }
    #cs-gallery-cursor { display: none; }
    .cs-read-time-icon::after { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════
   Responsive — stack dense rows early so cards stay readable
   Inline case-study styles set flex: 1 1 0 on cards, so these
   shared overrides use !important to restore full-width layout.
═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .cs-deliverables,
    .cs-process {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .cs-deliverable-card,
    .cs-process-step {
        flex: none !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
    }

    .cs-deliverable-card {
        overflow: visible !important;
    }

    .cs-gallery,
    .cs-format-grid,
    .cs-heuristic-grid {
        grid-template-columns: 1fr !important;
    }

    .cs-tier {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .cs-tier-label {
        min-width: 0 !important;
    }
}

@media (max-width: 768px) {
    .cs-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .cs-h2 {
        font-size: var(--font-size-xl);
    }

    .cs-meta {
        gap: var(--space-4);
    }

    .cs-page {
        padding-top: 60px !important;
    }

    .cs-section {
        padding: var(--space-10) 0;
    }

    .cs-details summary {
        padding: var(--space-4) !important;
    }

    #cs-scroll-counter {
        bottom: var(--space-5);
        right: var(--space-5);
        font-size: 0.65rem;
    }
}