/* ================================================================
   PROJECTS SECTION — using style.css design tokens
   ================================================================ */

/* ================================================================
   SECTION WRAPPER
   ================================================================ */
.projects-section {
    position: relative;
    overflow: visible;
    background-color: var(--color-fg-alt);
}

/* ================================================================
   HEADER BAND — dark, no dots
   ================================================================ */
.projects-section__band {
    background-color: var(--color-accent-dark);
    padding: 64px 24px 48px;
    text-align: center;
    position: relative;
}

.projects-section__band-inner {
    max-width: 620px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.projects-section__label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-rose);
    margin: 0 0 20px;
}

.projects-section__label-rule {
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--color-rose);
    opacity: 0.45;
    flex-shrink: 0;
}

.projects-section__title {
    font-family: var(--font-serif);
    margin: 0 0 16px;
    line-height: 1.12;
}

.projects-section__title-line1 {
    display: block;
    font-size: clamp(56px, 4vw, 86px);
    font-weight: 800;
    color: var(--color-bg);
}

.projects-section__title-line2 {
    display: block;
    font-size: clamp(56px, 4vw, 86px);
    font-weight: 700;
    font-style: italic;
    color: var(--color-fg-alt);
    letter-spacing: -0.01em;
}

.projects-section__subtitle {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-fg-alt-muted);
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.75;
}

/* ================================================================
   CAROUSEL BLOCK — sits directly below band
   ================================================================ */
.projects-section__inner {
    position: relative;
    z-index: 2;
    max-width: 1160px;
    margin: 0 auto;
    padding: 36px 24px 64px;
    background-color: var(--color-fg-alt-muted);
}

/* ================================================================
   CAROUSEL MECHANICS
   ================================================================ */
.projects-carousel {
    position: relative;
}

.projects-carousel__track-wrapper {
    overflow: hidden;
}

.projects-carousel__track {
    display: flex;
    transition: transform 0.55s cubic-bezier(0.65, 0, 0.35, 1);
    will-change: transform;
}

/* ================================================================
   SLIDE — 4-column grid
   ================================================================ */
.projects-carousel__slide {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    flex: 0 0 100%;
    min-width: 100%;
    padding: 4px 2px 8px;
    box-sizing: border-box;
}

/* ================================================================
   PROJECT CARD — image fills full card, overlay on hover/tap
   ================================================================ */
.project-card {
    position: relative;
    aspect-ratio: 3 / 3.6;
    cursor: pointer;
    border-radius: var(--radius-md);
    overflow: hidden;
    outline: none;
    border: 1px solid var(--color-fg-subtle);
    box-shadow: 0 2px 14px rgba(44, 44, 42, 0.10);
    transition: transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.32s ease;
}

.project-card:hover,
.project-card:focus-visible {
    transform: translateY(-4px) scale(1.015);
    box-shadow: 0 12px 36px rgba(246, 246, 209, 0.998);
}

/* ================================================================
   IMAGE LAYER — full card
   ================================================================ */
.project-card__media {
    position: absolute;
    inset: 0;
}

.project-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-card__media img,
.project-card.is-active .project-card__media img {
    transform: scale(1.07);
}

/* ================================================================
   OVERLAY — full card, fades + slides up on hover
   ================================================================ */
.project-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 22px 18px;
    text-align: center;

    /* Layered: dot texture + dark gradient */
    background-image:
        radial-gradient(circle, rgba(210, 213, 192, 0.035) 1px, transparent 1px),
        linear-gradient(
            160deg,
            rgba(18, 18, 16, 0.50) 0%,
            rgba(18, 18, 16, 0.88) 55%,
            rgba(18, 18, 16, 0.97) 100%
        );
    background-size: 18px 18px, 100% 100%;

    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.38s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-card__overlay,
.project-card:focus-visible .project-card__overlay,
.project-card.is-active .project-card__overlay {
    opacity: 1;
    transform: translateY(0);
}

/* Accent bar at top of overlay */
.project-card__overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 3px;
    border-radius: 0 0 100px 100px;
    background: var(--color-rose, #c9856a);
    opacity: 0;
    transition: opacity 0.32s ease 0.14s;
}

.project-card:hover .project-card__overlay::before,
.project-card.is-active .project-card__overlay::before {
    opacity: 1;
}

/* ================================================================
   OVERLAY CONTENT — staggered entrance
   ================================================================ */
.project-card__overlay-title {
    font-family: var(--font-serif);
    font-size: clamp(0.82rem, 1.3vw, 1.05rem);
    font-weight: 700;
    color:var(--color-bg);
    margin: 0;
    line-height: 1.3;
    letter-spacing: -0.01em;

    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.32s ease 0.07s, transform 0.32s ease 0.07s;
}

.project-card__overlay-divider {
    width: 24px;
    height: 1px;
    background: rgba(255, 255, 255, 0.30);
    border-radius: 2px;
    flex-shrink: 0;

    opacity: 0;
    transform: scaleX(0.3);
    transition: opacity 0.28s ease 0.13s, transform 0.28s ease 0.13s;
}

.project-card__overlay-tagline {
    font-family: var(--font-sans);
    font-size: 0.67rem;
    font-weight: 400;
    color: var(--color-fg-alt);
    margin: 0;
    line-height: 1.65;
    max-width: 88%;

    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.28s ease 0.17s, transform 0.28s ease 0.17s;
}

.project-card__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
    text-decoration: none;
    background: var(--color-bg);
    border: none;
    border-radius: var(--radius-pill);
    padding: 8px 18px;
    cursor: pointer;
    white-space: nowrap;
    margin-top: 4px;

    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.28s ease 0.23s,
                transform 0.28s ease 0.23s,
                background 0.22s ease,
                color 0.22s ease,
                gap 0.22s ease,
                box-shadow 0.22s ease;
}

.project-card__btn::after {
    content: '→';
    font-size: 0.82rem;
    transition: transform 0.22s ease;
}

/* Reveal staggered children on hover / active */
.project-card:hover .project-card__overlay-title,
.project-card.is-active .project-card__overlay-title {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover .project-card__overlay-divider,
.project-card.is-active .project-card__overlay-divider {
    opacity: 1;
    transform: scaleX(1);
}

.project-card:hover .project-card__overlay-tagline,
.project-card.is-active .project-card__overlay-tagline {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover .project-card__btn,
.project-card.is-active .project-card__btn {
    opacity: 1;
    transform: translateY(0);
}

/* Button hover state */
.project-card__btn:hover {
    background: var(--color-accent);
    color: var(--color-fg-alt);
    gap: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.project-card__btn:hover::after {
    transform: translateX(3px);
}

/* ================================================================
   CAROUSEL CONTROLS
   ================================================================ */
.projects-carousel__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

.carousel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1.5px solid var(--color-accent);
    background: transparent;
    color: var(--color-accent);
    cursor: pointer;
    transition: background var(--transition), color var(--transition),
                opacity var(--transition), transform var(--transition);
    flex-shrink: 0;
}

.carousel-btn svg {
    width: 14px;
    height: 14px;
}

.carousel-btn:hover:not(:disabled) {
    background: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.07);
}

.carousel-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
    pointer-events: none;
}

.carousel-dots {
    display: flex;
    align-items: center;
    gap: 8px;
}

.carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    border: none;
    background: var(--color-accent);
    opacity: 0.22;
    cursor: pointer;
    padding: 0;
    transition: opacity var(--transition), width var(--transition), border-radius var(--transition);
}

.carousel-dot--active {
    opacity: 1;
    width: 22px;
    border-radius: var(--radius-sm);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 960px) {
    .projects-section__band { padding: 48px 24px 40px; }
    .projects-section__inner { padding: 28px 20px 52px; }
    .projects-carousel__slide { grid-template-columns: repeat(3, 1fr); }
    .projects-carousel__slide .project-card:nth-child(4) { display: none; }
}

@media (max-width: 680px) {
    .projects-section__band { padding: 40px 20px 36px; }
    .projects-section__inner { padding: 24px 14px 44px; }
    .projects-carousel__slide { grid-template-columns: repeat(2, 1fr); }
    .projects-carousel__slide .project-card:nth-child(3),
    .projects-carousel__slide .project-card:nth-child(4) { display: none; }
    .projects-section__title-line1,
    .projects-section__title-line2 { font-size: 1.65rem; }
}

@media (max-width: 400px) {
    .projects-carousel__slide { grid-template-columns: 1fr; }
    .projects-carousel__slide .project-card:nth-child(2),
    .projects-carousel__slide .project-card:nth-child(3),
    .projects-carousel__slide .project-card:nth-child(4) { display: none; }
}

/* Touch devices: disable hover styles, rely only on .is-active */
@media (hover: none) {
    .project-card:hover { transform: none; box-shadow: 0 2px 14px rgba(44,44,42,0.10); }
    .project-card:hover .project-card__media img { transform: none; }
    .project-card:hover .project-card__overlay { opacity: 0; transform: translateY(10px); }
    .project-card:hover .project-card__overlay::before { opacity: 0; }
    .project-card:hover .project-card__overlay-title,
    .project-card:hover .project-card__overlay-divider,
    .project-card:hover .project-card__overlay-tagline,
    .project-card:hover .project-card__btn { opacity: 0; transform: translateY(8px); }
}