/* ============================================
   CEPA DELIVERY — Components: Buttons, Cards
   ============================================ */

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--weight-semi);
    letter-spacing: 0.01em;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition:
        background-color var(--dur-fast) var(--ease),
        border-color var(--dur-fast) var(--ease),
        color var(--dur-fast) var(--ease),
        box-shadow var(--dur-fast) var(--ease);
}

/* Navbar button */
.btn--nav {
    background-color: var(--color-white);
    color: var(--color-near-black);
    border-color: var(--color-white);
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-5);
}

.btn--nav:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

/* Primary — black fill */
.btn--primary {
    background-color: var(--color-ink);
    color: var(--color-white);
    border-color: var(--color-ink);
}

.btn--primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 4px 16px rgba(161,0,255,0.25);
}

.btn--primary:active {
    background-color: #8800dd;
    border-color: #8800dd;
}

/* Ghost — outline on dark backgrounds */
.btn--ghost {
    background-color: transparent;
    color: rgba(255,255,255,0.85);
    border-color: rgba(255,255,255,0.35);
}

.btn--ghost:hover {
    background-color: rgba(255,255,255,0.10);
    border-color: rgba(255,255,255,0.70);
    color: var(--color-white);
}

/* White — for dark section CTAs */
.btn--white {
    background-color: var(--color-white);
    color: var(--color-near-black);
    border-color: var(--color-white);
}

.btn--white:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

/* Ghost white */
.btn--ghost-white {
    background-color: transparent;
    color: rgba(255,255,255,0.72);
    border-color: rgba(255,255,255,0.28);
}

.btn--ghost-white:hover {
    background-color: rgba(255,255,255,0.10);
    color: var(--color-white);
    border-color: rgba(255,255,255,0.55);
}

/* Sizes */
.btn--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn--full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   CAPABILITY CARDS
   ============================================ */

.cap-card {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-top: 2px solid transparent;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    transition:
        border-color var(--dur-base) var(--ease),
        background-color var(--dur-fast) var(--ease);
    cursor: default;
}

.cap-card:hover {
    border-top-color: var(--color-accent);
}

.cap-card__icon {
    color: var(--color-ink);
    opacity: 0.7;
    transition: opacity var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.cap-card:hover .cap-card__icon {
    color: var(--color-accent);
    opacity: 1;
}

.cap-card__title {
    font-size: var(--text-base);
    font-weight: var(--weight-bold);
    color: var(--color-ink);
    line-height: var(--leading-snug);
}

.cap-card__text {
    font-size: var(--text-sm);
    color: var(--color-muted);
    line-height: var(--leading-relaxed);
    flex-grow: 1;
}

.cap-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--weight-semi);
    color: var(--color-ink);
    text-decoration: none;
    margin-top: var(--space-2);
    transition: color var(--dur-fast) var(--ease), gap var(--dur-fast) var(--ease);
}

.cap-card__link:hover {
    color: var(--color-accent);
    gap: var(--space-3);
}

/* ============================================
   CASE STUDY CARDS
   ============================================ */

.case-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}

.case-card:hover {
    box-shadow: var(--shadow-lift);
    border-color: transparent;
}

.case-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.case-card__tag {
    font-size: var(--text-xs);
    font-weight: var(--weight-semi);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.case-card__num {
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: 0.08em;
    color: var(--color-accent);
}

.case-card__img {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.case-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--dur-slow) var(--ease);
}

.case-card:hover .case-card__img img {
    transform: scale(1.04);
}

.case-card__body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    flex-grow: 1;
}

.case-card__body h3 {
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--color-ink);
    line-height: var(--leading-snug);
}

.case-card__body p {
    font-size: var(--text-sm);
    color: var(--color-muted);
    line-height: var(--leading-relaxed);
    flex-grow: 1;
}

.case-card__kpi {
    font-size: var(--text-sm);
    color: var(--color-muted);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.case-card__kpi strong {
    font-size: var(--text-xl);
    font-weight: var(--weight-black);
    color: var(--color-ink);
    letter-spacing: -0.03em;
    display: block;
    margin-bottom: var(--space-1);
}

/* ============================================
   AWARD CARDS (Accordion)
   ============================================ */

.award-card {
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    transition: border-color var(--dur-fast) var(--ease);
}

.award-card:last-child {
    border-bottom: 1px solid var(--color-border);
}

.award-card:hover {
    border-top-color: var(--color-accent);
}

.award-card__toggle {
    width: 100%;
    padding: var(--space-6) var(--space-2);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
}

.award-card__title {
    font-size: var(--text-base);
    font-weight: var(--weight-semi);
    color: var(--color-ink);
    line-height: var(--leading-snug);
}

.award-card__icon {
    flex-shrink: 0;
    color: var(--color-muted);
    transition: transform var(--dur-base) var(--ease), color var(--dur-fast) var(--ease);
    display: flex;
    align-items: center;
}

.award-card[open] .award-card__icon {
    transform: rotate(45deg);
    color: var(--color-accent);
}

.award-card__toggle:hover .award-card__title {
    color: var(--color-accent);
}

.award-card__content {
    padding: 0 var(--space-2) var(--space-6);
}

.award-card__content p {
    font-size: var(--text-sm);
    color: var(--color-muted);
    line-height: var(--leading-relaxed);
}

/* ============================================
   Reveal Animations (scroll-triggered)
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity var(--dur-slow) var(--ease-out),
        transform var(--dur-slow) var(--ease-out);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }