/* ============================================
   WORK PAGE — PREMIUM EDITION
   World-Class Portfolio Experience
   ============================================ */

/* ═══════════════════════════════════════════════ */
/* NAVIGATION                                     */
/* ═══════════════════════════════════════════════ */

.work-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 3rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(5, 5, 15, 0.6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: background 0.4s ease, padding 0.4s ease;
}

.work-nav--scrolled {
    padding: 1rem 3rem;
    background: rgba(5, 5, 15, 0.9);
}

.work-nav__container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.work-nav__logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.3em;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.work-nav__logo:hover {
    color: var(--color-accent);
}

.work-nav__links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.work-nav__link {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

.work-nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.work-nav__link:hover,
.work-nav__link--active {
    color: var(--color-text-primary);
}

.work-nav__link:hover::after,
.work-nav__link--active::after {
    width: 100%;
}

.work-nav__link--active {
    color: var(--color-accent);
}

/* ═══════════════════════════════════════════════ */
/* HERO SECTION                                   */
/* ═══════════════════════════════════════════════ */

.work-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 8rem 3rem 4rem;
    overflow: hidden;
}

.work-hero__ambient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 40% at 25% 60%, rgba(167, 139, 250, 0.04) 0%, transparent 70%),
        radial-gradient(ellipse 35% 50% at 75% 40%, rgba(139, 92, 246, 0.03) 0%, transparent 60%),
        radial-gradient(ellipse 80% 40% at 50% 100%, rgba(0, 0, 0, 0.6) 0%, transparent 50%);
    pointer-events: none;
}

.work-hero__grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

.work-hero__content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.work-hero__label {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.work-hero__label.revealed {
    opacity: 1;
    transform: translateY(0);
}

.label-line {
    display: inline-block;
    width: 40px;
    height: 1px;
    background: var(--color-accent);
}

.work-hero__title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease 0.1s, transform 1s ease 0.1s;
}

.work-hero__title.revealed {
    opacity: 1;
    transform: translateY(0);
}

.title-line {
    display: block;
    color: var(--color-text-primary);
}

.title-line--accent {
    color: var(--color-accent);
}

.work-hero__subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    max-width: 550px;
    line-height: 1.7;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}

.work-hero__subtitle.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Hero Stats Bar */
.work-hero__stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem 2rem;
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    max-width: fit-content;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease 0.5s, transform 0.8s ease 0.5s;
}

.work-hero__stats.revealed {
    opacity: 1;
    transform: translateY(0);
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stat__number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    line-height: 1;
}

.hero-stat__label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.hero-stat__divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
}

/* Scroll Indicator */
.work-hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 1s forwards;
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        filter 0.8s ease;
}

.work-hero__scroll .scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.7);
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

/* ═══════════════════════════════════════════════ */
/* FILTER BAR                                     */
/* ═══════════════════════════════════════════════ */

.work-filter {
    padding: 2rem 0;
    position: sticky;
    top: 70px;
    z-index: 50;
    background: rgba(5, 5, 15, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.filter-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: inherit;
}

.filter-btn:hover {
    color: var(--color-accent);
    border-color: rgba(59, 120, 196, 0.35);
    background: rgba(59, 120, 196, 0.06);
    box-shadow: 0 0 20px rgba(59, 120, 196, 0.08), inset 0 0 20px rgba(59, 120, 196, 0.03);
    transform: translateY(-1px);
}

.filter-btn--active {
    color: var(--color-bg);
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.filter-btn--active:hover {
    color: var(--color-bg);
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 30px rgba(59, 120, 196, 0.3);
}

/* ═══════════════════════════════════════════════ */
/* SYSTEMS GRID                                   */
/* ═══════════════════════════════════════════════ */

.work-systems {
    padding: var(--space-lg) 0 var(--space-2xl);
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

/* ═══════════════════════════════════════════════ */
/* WORK CARD — Glass Morphism + 3D Flip           */
/* ═══════════════════════════════════════════════ */

.work-card {
    perspective: 2000px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.work-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.work-card:nth-child(2n) {
    transition-delay: 0.1s;
}

/* Staggered reveals */
.work-card:nth-child(3) {
    transition-delay: 0.15s;
}

.work-card:nth-child(4) {
    transition-delay: 0.2s;
}

.work-card:nth-child(5) {
    transition-delay: 0.05s;
}

.work-card:nth-child(6) {
    transition-delay: 0.1s;
}

.work-card:nth-child(7) {
    transition-delay: 0.15s;
}

.work-card:nth-child(8) {
    transition-delay: 0.2s;
}

.work-card__inner {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 340px;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.work-card:hover .work-card__inner {
    transform: rotateY(180deg);
}

/* Front Face */
.work-card__front {
    position: absolute;
    inset: 0;
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 2rem;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.work-card:hover .work-card__front {
    border-color: rgba(59, 120, 196, 0.3);
    box-shadow: 0 20px 60px -15px rgba(59, 120, 196, 0.15),
        0 0 0 1px rgba(59, 120, 196, 0.1);
}

/* Light Sweep */
.work-card__light-sweep {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transition: left 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.work-card:hover .work-card__light-sweep {
    left: 200%;
}

/* Card Header */
.work-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.work-card__number {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.06);
    letter-spacing: -0.02em;
    line-height: 1;
    transition: color 0.4s ease;
}

.work-card:hover .work-card__number {
    color: rgba(59, 120, 196, 0.15);
}

.work-card__category {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    padding: 4px 12px;
    border: 1px solid rgba(59, 120, 196, 0.2);
    border-radius: 100px;
    opacity: 0.7;
}

/* Card Content */
.work-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.work-card__description {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex: 1;
}

/* Tags */
.work-card__tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.work-tag {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-accent);
    padding: 5px 12px;
    background: rgba(59, 120, 196, 0.08);
    border-radius: 100px;
    transition: background 0.3s ease, color 0.3s ease;
}

.work-tag--accent {
    background: rgba(167, 139, 250, 0.1);
    color: #a78bfa;
}

/* Card Footer */
.work-card__footer {
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.work-card__hint {
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.work-card:hover .work-card__hint {
    opacity: 0;
}

/* Back Face */
.work-card__back {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(120% 90% at 85% -10%, rgba(59, 120, 196, 0.14), transparent 55%),
        linear-gradient(160deg, rgba(59, 120, 196, 0.06) 0%, var(--color-bg-glass) 60%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 120, 196, 0.2);
    border-radius: 20px;
    padding: 2rem;
    backface-visibility: hidden;
    transform: rotateY(180deg);
    display: flex;
    overflow: hidden;
}

/* Back Content — Scope Sheet Layout */
.back-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.back-content__label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent-lum);
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}

.back-content__label::before {
    content: '';
    flex-shrink: 0;
    width: 24px;
    height: 1px;
    background: var(--color-accent);
    opacity: 0.7;
}

.back-content__label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(59, 120, 196, 0.25), transparent);
}

.back-content__list {
    list-style: none;
    counter-reset: delivered;
    padding: 0;
    margin: 0;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.back-content__list li {
    counter-increment: delivered;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-primary);
    letter-spacing: 0.01em;
    line-height: 1.35;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: baseline;
    gap: 1rem;
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Staggered reveal when card flips */
.work-card:hover .back-content__list li:nth-child(1) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.3s;
}

.work-card:hover .back-content__list li:nth-child(2) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.4s;
}

.work-card:hover .back-content__list li:nth-child(3) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.5s;
}

.work-card:hover .back-content__list li:nth-child(4) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.6s;
}

.back-content__list li::before {
    content: '0' counter(delivered);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--color-accent-lum);
    opacity: 0.85;
    flex-shrink: 0;
    min-width: 1.5rem;
}

.back-content__list li:last-child {
    border-bottom: none;
}

.back-content__signature {
    margin-top: 0.9rem;
    font-size: 0.55rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    opacity: 0.45;
    align-self: stretch;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    white-space: nowrap;
}

.back-content__signature::before,
.back-content__signature::after {
    content: '';
    flex: 1;
    max-width: 48px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.back-content__signature strong {
    color: var(--color-text-secondary);
    font-weight: 700;
    letter-spacing: 0.3em;
}

/* Case Study CTA on card back */
.back-content__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    align-self: stretch;
    margin-top: 1.25rem;
    padding: 0.7rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-accent-lum);
    border: 1px solid rgba(59, 120, 196, 0.3);
    border-radius: 10px;
    background: rgba(59, 120, 196, 0.08);
    transition: background 0.35s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-content__cta:hover {
    background: rgba(59, 120, 196, 0.16);
    border-color: rgba(90, 160, 242, 0.5);
}

.back-content__cta span {
    transition: transform 0.3s ease;
    display: inline-block;
}

.back-content__cta:hover span {
    transform: translateX(3px);
}

/* ═══════════════════════════════════════════════ */
/* CASE STUDIES SECTION                           */
/* ═══════════════════════════════════════════════ */

.work-cases {
    padding: var(--space-2xl) 0;
    position: relative;
}

.work-cases__header {
    margin-bottom: var(--space-xl);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.work-cases__header.revealed {
    opacity: 1;
    transform: translateY(0);
}

.work-cases__label {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.25rem;
}

.work-cases__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.work-cases__subtitle {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    letter-spacing: 0.02em;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* Case Card Styles */
.case-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.case-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.case-card:nth-child(2) {
    transition-delay: 0.1s;
}

.case-card:nth-child(3) {
    transition-delay: 0.2s;
}

.case-card__glass {
    height: 100%;
    position: relative;
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-card__glass:hover {
    background: var(--color-bg-glass-hover);
    border-color: rgba(59, 120, 196, 0.2);
    transform: translateY(-8px);
    box-shadow: 0 25px 60px -15px rgba(59, 120, 196, 0.12);
}

.case-card__phase {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
    letter-spacing: -0.02em;
    transition: color 0.4s ease;
}

.case-card:hover .case-card__phase {
    color: rgba(59, 120, 196, 0.1);
}

.case-card__visual {
    height: 140px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
}

.case-card__visual svg {
    width: 64px;
    height: 64px;
    opacity: 0.8;
    animation: iconFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 0 8px rgba(59, 120, 196, 0.3));
    transition: all 0.4s ease;
}

.case-card:nth-child(1) .case-card__visual svg {
    animation-delay: 0s;
}

.case-card:nth-child(2) .case-card__visual svg {
    animation-delay: 0.5s;
}

.case-card:nth-child(3) .case-card__visual svg {
    animation-delay: 1s;
}

.case-card:hover .case-card__visual svg {
    opacity: 1;
    animation-play-state: paused;
    transform: translateY(-5px) scale(1.1);
    filter: drop-shadow(0 0 25px rgba(59, 120, 196, 0.6));
}

@keyframes iconFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.case-card__content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.case-card__description {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 1rem;
}

.case-card__tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    padding: 6px 14px;
    background: rgba(59, 120, 196, 0.08);
    border-radius: 100px;
    align-self: flex-start;
}

/* ═══════════════════════════════════════════════ */
/* CTA SECTION                                    */
/* ═══════════════════════════════════════════════ */

.work-cta {
    padding: var(--space-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.work-cta.revealed {
    opacity: 1;
    transform: translateY(0);
}

.work-cta__ambient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(59, 120, 196, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.work-cta__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.work-cta__subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
}

.work-cta__button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-bg);
    background: var(--color-accent);
    border: none;
    border-radius: 100px;
    text-decoration: none;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-family: inherit;
}

.work-cta__button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(59, 120, 196, 0.35);
}

.work-cta__button .btn__glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.work-cta__button:hover .btn__glow {
    transform: translateX(100%);
}

/* ═══════════════════════════════════════════════ */
/* FOOTER                                         */
/* ═══════════════════════════════════════════════ */

.work-footer {
    padding: var(--space-xl) 0 var(--space-lg);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

/* ═══════════════════════════════════════════════ */
/* FILTER ANIMATION                               */
/* ═══════════════════════════════════════════════ */

.work-card.hidden {
    opacity: 0 !important;
    transform: scale(0.9) translateY(20px) !important;
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.work-card.filtering {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ═══════════════════════════════════════════════ */
/* RESPONSIVE                                     */
/* ═══════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .systems-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .work-hero {
        padding: 7rem 2rem 3rem;
    }

    .work-nav {
        padding: 1rem 1.5rem;
    }

    .work-hero__title {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }

    .work-hero__stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .hero-stat__divider {
        display: none;
    }
}

@media (max-width: 768px) {
    .work-nav__links {
        gap: 1.5rem;
    }

    .work-nav__link {
        font-size: 0.65rem;
    }

    .work-hero {
        padding: 6rem 1.5rem 2.5rem;
        min-height: 90vh;
    }

    .work-hero__title {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .work-hero__subtitle {
        font-size: 0.95rem;
    }

    .hero-stat__number {
        font-size: 1.5rem;
    }

    .work-card__inner {
        min-height: 300px;
    }

    .work-card__number {
        font-size: 2rem;
    }

    .work-card__title {
        font-size: 1.25rem;
    }

    .filter-bar {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.6rem;
    }

    .back-content__list li {
        font-size: 0.9rem;
    }

    .work-cta__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}

@media (max-width: 480px) {
    .work-nav__logo {
        font-size: 1rem;
    }

    .work-nav__links {
        gap: 1rem;
    }

    .work-nav__link {
        font-size: 0.55rem;
        letter-spacing: 0.15em;
    }

    .systems-grid {
        gap: 1.25rem;
    }

    .work-card__front {
        padding: 1.5rem;
    }

    .work-card__back {
        padding: 1.5rem;
    }

    .back-content__list li {
        font-size: 0.85rem;
        padding: 0.7rem 0;
    }
}