.portfolio-section {
    padding: 80px 0;
}

.portfolio-card {
    position: relative;
    display: block;
    overflow: hidden;
    border: 1px solid rgba(9, 32, 76, .08);
    border-radius: 16px;
    height: 390px;
    background: #f7f9fc;
    box-shadow: 0 14px 38px rgba(6, 22, 48, .08);
    text-decoration: none;
    isolation: isolate;
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    padding: 0px;
    transition: transform .55s ease, filter .55s ease;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    padding: 15px;      
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background:
        linear-gradient(180deg, rgba(7, 29, 68, .1) 0%, rgba(7, 29, 68, .48) 42%, rgba(4, 13, 31, .94) 60%), linear-gradient(135deg, rgba(0, 107, 255, .42), rgba(15, 23, 42, .18));
    opacity: 0;
    transition: opacity .4s ease;
    z-index: 2;
}

.portfolio-overlay .thm-btn{
    width: 215px;
}

.portfolio-overlay h3,
.portfolio-overlay p,
.portfolio-btn {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .38s ease, transform .38s ease;
}

.portfolio-card:hover,
.portfolio-card:focus-visible {
    border-color: rgba(0, 107, 255, .22);
    box-shadow: 0 20px 50px rgba(6, 22, 48, .16);
    transform: translateY(-6px);
}

.portfolio-card:hover img,
.portfolio-card:focus-visible img {
    filter: saturate(1.05);
    transform: scale(1.03);
}

.portfolio-card:hover .portfolio-overlay,
.portfolio-card:focus-visible .portfolio-overlay {
    opacity: 1;
}

.portfolio-card:hover .portfolio-overlay h3,
.portfolio-card:hover .portfolio-overlay p,
.portfolio-card:hover .portfolio-btn,
.portfolio-card:focus-visible .portfolio-overlay h3,
.portfolio-card:focus-visible .portfolio-overlay p,
.portfolio-card:focus-visible .portfolio-btn {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-card:hover .portfolio-overlay p,
.portfolio-card:focus-visible .portfolio-overlay p {
    transition-delay: .06s;
}

.portfolio-card:hover .portfolio-btn,
.portfolio-card:focus-visible .portfolio-btn {
    transition-delay: .12s;
}

.portfolio-category {
    position: absolute;
    top: 18px;
    right: 18px;
    display: inline-flex;
    align-items: center;
    max-width: calc(100% - 36px);
    min-height: 34px;
    padding: 7px 15px;
    border-radius: 30px;
    background: var(--itzone-base);
    color: var(--itzone-white);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    box-shadow: 0 10px 24px rgba(0, 107, 255, .26);
    z-index: 3;
}

.portfolio-overlay h3 {
    color: #fff;
    font-size: 20px;
    line-height: 1.22;
    font-weight: 600;
    margin-bottom: 12px;
}

.portfolio-overlay p {
    color: rgba(255,255,255,.85);
    margin-bottom: 20px;
    line-height: 22px;
}

.portfolio-btn {
    position: relative;
    z-index: 1;
    overflow: hidden;
    width: fit-content;
    min-height: 46px;
    padding: 0px 10px 0px 0;
    border-radius: var(--itzone-bdr-radius);
    background: transparent;
    color: var(--itzone-white);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: capitalize;
}

.portfolio-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background-color: transparent;
    clip-path: circle(0% at 50% 50%);
    transition: all cubic-bezier(0, 0.96, 0.58, 1.1) .8s;
    z-index: -1;
}

.portfolio-card:hover .portfolio-btn::before,
.portfolio-card:focus-visible .portfolio-btn::before {
    clip-path: circle(100% at 50% 50%);
}

.portfolio-btn i {
    transition: .3s;
}

.portfolio-card:hover .portfolio-btn i,
.portfolio-card:focus-visible .portfolio-btn i {
    transform: translateX(6px);
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, #1a2e8a 0%, #2d40d0 45%, #4361ee 100%);
  padding: 90px 0 80px;
  position: relative;
  overflow: hidden;
}

/* Rings use margin-top for vertical centering so transform is free for rotation */
.cta-ring {
  position: absolute;
  border: 2px dashed rgba(255,255,255,.12);
  border-radius: 50%;
  top: 50%;
}
.cta-ring-sm {
  width: 180px; height: 180px;
  right: 120px;
  margin-top: -140px;
  animation: spinRing 24s linear infinite;
}
.cta-ring-lg {
  width: 280px; height: 280px;
  right: 70px;
  margin-top: -190px;
  animation: spinRing 36s linear infinite reverse;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-lbl { color: rgba(255,255,255,.65); }
.cta-text h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--itzone-white);
  line-height: 1.25;
  margin-bottom: 12px;
}
.cta-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.cta-btns .btn {
  white-space: nowrap;
}

@media (max-width: 1199px) {
    .portfolio-card {
        height: 360px;
    }

    .portfolio-overlay h3 {
        font-size: 23px;
    }

    .cta-section {
        padding: 78px 0 70px;
    }

    .cta-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .cta-btns {
        justify-content: flex-start;
    }

    .cta-ring-sm {
        right: 30px;
    }

    .cta-ring-lg {
        right: -25px;
    }
}

@media (max-width: 767px) {
    .portfolio-section {
        padding: 60px 0;
    }

    .portfolio-card {
        height: 330px;
        border-radius: 14px;
    }

    .portfolio-card img {
        padding: 5px;
    }

    .portfolio-overlay {
        padding: 22px;
    }

    .portfolio-overlay h3 {
        font-size: 21px;
    }

    .portfolio-overlay p {
        font-size: 14px;
        line-height: 1.55;
    }

    .cta-section {
        padding: 60px 0;
        text-align: center;
    }

    .cta-ring {
        display: none;
    }

    .cta-inner {
        gap: 24px;
    }

    .cta-text h2 {
        font-size: 26px;
        line-height: 1.3;
    }

    .cta-text p {
        font-size: 15px;
        line-height: 1.7;
    }

    .cta-btns {
        width: 100%;
        justify-content: center;
    }

    .cta-btns .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
        white-space: normal;
    }
}

@media (max-width: 420px) {
    .portfolio-card {
        height: 310px;
    }

    .portfolio-category {
        top: 14px;
        right: 14px;
        max-width: calc(100% - 28px);
        padding: 6px 12px;
    }

    .cta-section {
        padding: 52px 0;
    }

    .cta-text h2 {
        font-size: 23px;
    }

    .cta-btns .btn {
        max-width: 100%;
        padding-left: 16px;
        padding-right: 16px;
    }
}