/* ====================================================
   WHY CHOOSE US  —  st-wu
   Mirrors: services sticky layout, metrics bg canvas,
   hero/services CTA button, font/color tokens.
==================================================== */

.st-wu {
    background: transparent;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
}



/* ── Inner: two-column ── */
.st-wu-inner {
    position: relative;
    z-index: 2;
    width: 100%;
}

/* ══════════════════════════════════
   LEFT STICKY PANEL — faux-sticky (same as services)
   position: absolute → JS toggles fixed / bottom
══════════════════════════════════ */
.st-wu-left {
    position: absolute;
    top: 0;
    left: 0;
    width: 45%;
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 60px 60px 60px 5vw;
    box-sizing: border-box;
    z-index: 2;
}
.st-wu-left--fixed {
    position: fixed !important;
    top: 0 !important;
    height: 100vh !important;
}
.st-wu-left--bottom {
    position: absolute !important;
    top: auto !important;
    bottom: 0 !important;
    height: 100vh !important;
}

.st-wu-sticky { width: 100%; position: relative; }

.st-wu-label {
    font-family: var(--font-heading) !important;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    color: var(--color-primary) !important;
    margin: 0 0 28px;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
}
.st-wu-label::before {
    content: '';
    display: block;
    width: 32px;
    height: 1.5px;
    background: var(--color-primary);
}

.st-wu-heading {
    font-family: var(--font-heading) !important;
    font-size: clamp(2.4rem, 3.8vw, 3.8rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.05;
    letter-spacing: -0.025em;
    text-transform: uppercase;
    margin: 0 0 30px;
    opacity: 0;
}
.st-wu-heading-accent { color: var(--color-primary) !important; }

.st-wu-desc {
    font-family: var(--font-text) !important;
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--text-desc);
    line-height: 1.75;
    max-width: 360px;
    margin: 0 0 40px;
    opacity: 0;
}

/* CTA — identical to services + metrics */
.st-wu-cta {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: var(--text-primary);
    font-family: var(--font-heading) !important;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 14px 28px;
    border: 1.5px solid var(--border-ghost);
    transition: all 0.35s ease;
    opacity: 0;
}
.st-wu-cta:hover {
    background: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: var(--text-primary);
}
.st-wu-cta svg { transition: transform 0.3s; }
.st-wu-cta:hover svg { transform: translateX(5px); }

/* Vertical progress line */
.st-wu-progress {
    position: absolute;
    left: -32px;
    top: 0;
    width: 1.5px;
    height: 100%;
    background: var(--deco-08);
    border-radius: 2px;
    overflow: hidden;
}
.st-wu-progress-fill {
    width: 100%;
    height: 0%;
    background: var(--color-primary);
    border-radius: 2px;
    transition: height 0.1s linear;
}

/* ══════════════════════════════════
   RIGHT: reason cards grid
══════════════════════════════════ */
.st-wu-right {
    margin-left: 45%;
    padding: 70px 5vw 70px 40px;
    box-sizing: border-box;
}

.st-wu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
}

/* ── CARD ── */
.st-wu-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 36px 32px 30px;
    position: relative;
    overflow: hidden;
    cursor: default;
    opacity: 0;
    transform: translateY(40px);
    transition: border-color 0.4s ease, background 0.4s ease, transform 0.4s ease;
}
.st-wu-card:hover {
    border-color: var(--hover-border);
    background: var(--bg-card-hover);
    transform: translateY(-5px) !important;
}

/* top accent bar — drawn by GSAP class */
.st-wu-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.st-wu-card.st-wu-active::before { transform: scaleX(1); }

/* inner glow on hover */
.st-wu-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--accent-ghost) 0%, transparent 65%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}
.st-wu-card:hover::after { opacity: 1; }

/* ── Card head: icon + number ── */
.st-wu-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.st-wu-card-icon {
    width: 38px; height: 38px;
    color: var(--color-primary);
    opacity: 0.85;
    transition: opacity 0.3s, transform 0.35s;
}
.st-wu-card:hover .st-wu-card-icon {
    opacity: 1;
    transform: scale(1.1) rotate(-4deg);
}

.st-wu-card-num {
    font-family: var(--font-heading) !important;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--text-ghost);
}

/* ── Card text ── */
.st-wu-card-title {
    font-family: var(--font-heading) !important;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin: 0 0 12px;
    line-height: 1.2;
}

.st-wu-card-desc {
    font-family: var(--font-text) !important;
    font-size: 0.87rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 24px;
}

/* Bottom accent line — animates width on card entry */
.st-wu-card-line {
    height: 1px;
    background: linear-gradient(to right, var(--color-primary), transparent);
    width: 0%;
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.st-wu-card.st-wu-active .st-wu-card-line { width: 60%; }

/* ====================================================
   RESPONSIVE
==================================================== */
@media (max-width: 1024px) {
    .st-wu-left {
        position: relative !important;
        width: 100% !important;
        height: auto !important;
        padding: 60px 40px 40px;
    }
    .st-wu-right {
        margin-left: 0 !important;
        padding: 0 40px 60px;
    }
    .st-wu-progress { display: none; }
    .st-wu-label, .st-wu-heading, .st-wu-desc, .st-wu-cta { opacity: 1 !important; transform: none !important; }
}
@media (max-width: 700px) {
    .st-wu-grid { grid-template-columns: 1fr; }
    .st-wu-left { padding: 50px 24px 32px; }
    .st-wu-right { padding: 0 24px 50px; }
    .st-wu-card { padding: 28px 24px 24px; }
}
@media (max-width: 400px) {
    .st-wu-left { padding: 48px 16px 24px; }
    .st-wu-right { padding: 0 16px 48px; }
    .st-wu-card { padding: 24px 16px 20px; }
    .st-wu-heading { font-size: clamp(1.6rem, 8vw, 2.4rem); }
}