/* =========================================
   Block: How We Work
   ========================================= */

.how-we-work {
    padding: 88px 0 72px;
    background: var(--color-bg);
}

.how-we-work__heading {
    font-size: clamp(22px, 2.8vw, 38px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 52px;
}

/* =========================================
   Desktop — Staircase
   align-items:flex-end + разные min-height
   = все карточки снизу, высота растёт слева направо
   ========================================= */

.how-we-work__steps {
    display: flex;
    align-items: flex-start; /* верхний край общий — нет пустоты над карточками */
    gap: 14px;
}

.hww-step-wrap {
    flex: 1;
    min-width: 0;
}

.how-we-work__step {
    position: relative;
    width: 100%;
    border-radius: 20px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

/* Убывающая лестница: шаг 1 самый высокий (важнее всего),
   каждый следующий на 55px ниже */
.hww-step-wrap:nth-child(1) .how-we-work__step { min-height: 400px; }
.hww-step-wrap:nth-child(2) .how-we-work__step { min-height: 345px; }
.hww-step-wrap:nth-child(3) .how-we-work__step { min-height: 290px; }
.hww-step-wrap:nth-child(4) .how-we-work__step { min-height: 235px; }
.hww-step-wrap:nth-child(5) .how-we-work__step { min-height: 180px; }
.hww-step-wrap:nth-child(6) .how-we-work__step { min-height: 180px; }

@media (hover: hover) {
    .how-we-work__step:hover {
        border-color: var(--color-primary);
        box-shadow: 0 8px 32px rgba(84, 187, 144, 0.1);
        transform: translateY(-4px);
    }
}

/* Декоративный номер */
.how-we-work__bg-num {
    position: absolute;
    bottom: -20px;
    right: -6px;
    font-family: 'Barlow Condensed', var(--font-primary);
    font-size: clamp(80px, 9vw, 130px);
    font-weight: 900;
    line-height: 1;
    color: var(--color-text);
    opacity: 0.055;
    pointer-events: none;
    -webkit-user-select: none;
    user-select: none;
    letter-spacing: -0.04em;
    -webkit-mask-image: linear-gradient(to top, transparent 0%, black 50%);
    mask-image: linear-gradient(to top, transparent 0%, black 50%);
    transition: color 0.25s ease, opacity 0.25s ease;
}

@media (hover: hover) {
    .how-we-work__step:hover .how-we-work__bg-num {
        color: var(--color-primary);
        opacity: 0.12;
    }
}

/* Контент */
.how-we-work__step-inner {
    position: relative;
    z-index: 1;
    padding: 28px 22px 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
}

.how-we-work__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #ffffff;
    border: 1.5px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.how-we-work__icon img { width: 24px; height: 24px; object-fit: contain; }

.how-we-work__icon--dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.how-we-work__step-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
    margin-top: 4px;
}

.how-we-work__step-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* =========================================
   Tablet — 2×2 grid
   ========================================= */

@media (max-width: 900px) {
    .how-we-work { padding: 64px 0 72px; }

    .how-we-work__steps {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        align-items: start;
        gap: 12px;
    }

    .hww-step-wrap { flex: none; }

    /* Сбрасываем все min-height стеклянки */
    .hww-step-wrap:nth-child(n) .how-we-work__step {
        min-height: 180px;
        transform: none;
    }
}

/* =========================================
   Mobile — Sticky Stack
   ========================================= */

@media (max-width: 600px) {
    .how-we-work { padding: 52px 0 0; }
    .how-we-work__heading { margin-bottom: 32px; }

    .how-we-work__steps { display: block; }

    .hww-step-wrap {
        display: block;
        height: 420px;
    }

    .hww-step-wrap--last {
        height: auto;
        padding-bottom: 32px;
    }

    /* Сбрасываем desktop min-height */
    .hww-step-wrap:nth-child(n) .how-we-work__step {
        min-height: 0;
        position: sticky;
        top: calc(var(--header-height) + 16px);
        z-index: var(--step-z, 1);
        box-shadow: 0 -1px 0 var(--color-border), 0 8px 28px rgba(0,0,0,0.09);
        transform: none !important;
    }

    .how-we-work__step-inner { padding: 28px 22px 32px; }
    .how-we-work__bg-num { font-size: 130px; bottom: -20px; right: -4px; }
    .how-we-work__step-title { font-size: 17px; }
    .how-we-work__step-desc  { font-size: 14px; line-height: 1.65; }
}