/* ============================================================
   design-testimonials.css — "Como Funciona" no estilo Inspira UI
   "Design Testimonials": numero gigante com parallax, citacao
   palavra-por-palavra, badge, progresso vertical, autor com linha,
   prev/next, ticker infinito e auto-avanco. Reaproveita os textos
   dos passos e mantem as imagens (people_*). Escopo: #howitworks.dt
   ============================================================ */

#howitworks.dt {
    position: relative;
    background: var(--bg, #08080a);
    border-top: 1px solid var(--border, rgba(255, 255, 255, .07));
    padding: clamp(80px, 12vh, 150px) 48px;
    overflow: hidden;
}

.dt-wrap {
    position: relative;
    max-width: 1180px;
    margin: 0 auto;
}

/* ---- oversized index number (parallax background) ---- */
.dt-number {
    position: absolute;
    left: -1.5%;
    top: 50%;
    z-index: 0;
    transform: translate(var(--px, 0), calc(-52% + var(--py, 0px)));
    transition: transform .5s cubic-bezier(.22, 1, .36, 1);
    pointer-events: none;
    user-select: none;
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-weight: 800;
    letter-spacing: -.04em;
    line-height: .8;
    font-size: clamp(13rem, 32vw, 30rem);
    color: rgba(255, 255, 255, .045);
}

.dt-number-val {
    display: inline-block;
}

.dt-number-val.dt-anim {
    animation: dt-num .6s cubic-bezier(.22, 1, .36, 1);
}

@keyframes dt-num {
    from { opacity: 0; transform: scale(.85); filter: blur(12px); }
    to { opacity: 1; transform: scale(1); filter: blur(0); }
}

/* ---- layout ---- */
.dt-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) minmax(320px, 440px);
    gap: clamp(32px, 5vw, 68px);
    align-items: center;
    min-height: 500px;
}

/* ---- left rail: vertical label + progress ---- */
.dt-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    align-self: center;
    padding-right: clamp(20px, 3vw, 40px);
    border-right: 1px solid var(--border, rgba(255, 255, 255, .07));
}

.dt-vlabel {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--font-mono, 'Space Mono', monospace);
    font-size: .7rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent, #1864ff);
    white-space: nowrap;
}

.dt-progress {
    position: relative;
    width: 1px;
    height: 130px;
    background: rgba(255, 255, 255, .12);
}

.dt-progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--dt-pct, 25%);
    background: var(--white, #f4f4f5);
    transition: height .5s cubic-bezier(.22, 1, .36, 1);
}

/* ---- center ---- */
.dt-main {
    min-width: 0;
    align-self: start;
}

.dt-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    padding: 6px 14px;
    border: 1px solid var(--border, rgba(255, 255, 255, .07));
    border-radius: 999px;
    font-family: var(--font-mono, 'Space Mono', monospace);
    font-size: .68rem;
    letter-spacing: .06em;
    color: var(--dim, #a1a1aa);
    transition: opacity .4s, transform .4s;
}

.dt-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent, #1864ff);
    box-shadow: 0 0 8px var(--accent, #1864ff);
}

.dt-badge.swap { opacity: 0; transform: translateX(-16px); }

.dt-quote {
    font-family: var(--font-serif, 'Instrument Serif', serif);
    font-weight: 400;
    font-size: clamp(1.9rem, 3.6vw, 3rem);
    line-height: 1.16;
    letter-spacing: -.01em;
    color: var(--white, #f4f4f5);
    margin: 0 0 40px;
    min-height: 3.6em;
    perspective: 800px;
}

.dt-word {
    display: inline-block;
    margin-right: .26em;
    opacity: 0;
    transform: translateY(18px) rotateX(88deg);
    transform-origin: bottom;
    transition: opacity .5s cubic-bezier(.22, 1, .36, 1), transform .5s cubic-bezier(.22, 1, .36, 1);
    will-change: transform, opacity;
}

.dt-word.in {
    opacity: 1;
    transform: none;
}

.dt-foot {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.dt-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.dt-author-line {
    display: block;
    width: 32px;
    height: 1px;
    background: var(--white, #f4f4f5);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .6s cubic-bezier(.22, 1, .36, 1);
}

.dt-author.reveal .dt-author-line { transform: scaleX(1); }

.dt-author-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white, #f4f4f5);
}

.dt-author-role {
    font-size: .84rem;
    color: var(--dim, #a1a1aa);
    margin-top: 2px;
}

.dt-nav {
    display: flex;
    gap: 12px;
}

.dt-nav-btn {
    position: relative;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid var(--border, rgba(255, 255, 255, .12));
    background: transparent;
    color: var(--white, #f4f4f5);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    transition: color .3s, border-color .3s, transform .15s;
}

.dt-nav-btn svg { position: relative; z-index: 1; }

.dt-nav-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--white, #f4f4f5);
    transform: translateX(-101%);
    transition: transform .35s cubic-bezier(.22, 1, .36, 1);
}

.dt-nav-btn:hover { color: #0a0a0c; border-color: transparent; }
.dt-nav-btn:hover::before { transform: translateX(0); }
.dt-nav-btn:active { transform: scale(.94); }

/* ---- right: image cards (kept) ---- */
.dt-media {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border, rgba(255, 255, 255, .09));
    box-shadow: 0 40px 100px rgba(0, 0, 0, .5);
    background: #0e0e12;
}

.dt-card {
    position: absolute;
    inset: 0;
    margin: 0;
    opacity: 0;
    transform: scale(1.06);
    filter: blur(6px);
    transition: opacity .7s cubic-bezier(.22, 1, .36, 1), transform 1s cubic-bezier(.22, 1, .36, 1), filter .7s ease;
    will-change: opacity, transform;
}

.dt-card.is-active {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
}

.dt-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.dt-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(150deg, rgba(24, 100, 255, .16), transparent 55%);
}

/* ---- bottom ticker ---- */
.dt-ticker {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6%;
    z-index: 0;
    overflow: hidden;
    opacity: .05;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.dt-ticker-row {
    display: inline-flex;
    white-space: nowrap;
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-weight: 800;
    font-size: clamp(3rem, 7vw, 5.5rem);
    letter-spacing: -.02em;
    color: var(--white, #f4f4f5);
    animation: dt-marq 26s linear infinite;
}

.dt-ticker-row span { padding: 0 1.2rem; }

@keyframes dt-marq { to { transform: translateX(-50%); } }

@media (prefers-reduced-motion: reduce) {
    .dt-word { transition: none; opacity: 1; transform: none; }
    .dt-number, .dt-ticker-row, .dt-number-val.dt-anim { animation: none; transition: none; }
}

/* ---- responsive ---- */
@media (max-width: 1000px) {
    .dt-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        align-items: start;
    }
    .dt-rail {
        flex-direction: row;
        border-right: none;
        border-bottom: 1px solid var(--border, rgba(255, 255, 255, .07));
        padding: 0 0 18px;
        width: 100%;
        justify-content: space-between;
    }
    .dt-vlabel { writing-mode: horizontal-tb; }
    .dt-progress { width: 100%; height: 1px; }
    .dt-progress-fill { width: var(--dt-pct, 25%); height: 100%; transition: width .5s cubic-bezier(.22, 1, .36, 1); }
    .dt-media { max-width: 520px; }
    .dt-number { font-size: 40vw; opacity: .8; }
}

@media (max-width: 560px) {
    #howitworks.dt { padding: 64px 20px; }
    .dt-quote { font-size: clamp(1.5rem, 7vw, 2rem); min-height: 4.2em; }
    .dt-foot { flex-direction: column; align-items: flex-start; gap: 20px; }
}