/* ================================================================
   PORTFOLIO PAGE
   ================================================================ */

.pf-page-main { overflow-x: hidden; }

.pf-nav-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.pf-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 56px);
    width: 100%;
}

/* ---- HERO ---- */
.pf-hero {
    position: relative;
    min-height: 100vh;
    padding: 150px 0 90px;
    background: var(--bg-dark-deep);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.pf-hero-bg-visual {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.pf-hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center right;
}

.pf-hero-bg-shade {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(105deg, rgba(5,1,13,0.97) 0%, rgba(5,1,13,0.88) 40%, rgba(5,1,13,0.5) 62%, rgba(5,1,13,0.2) 100%),
        linear-gradient(180deg, rgba(5,1,13,0.45) 0%, transparent 35%, transparent 70%, rgba(5,1,13,0.55) 100%);
    pointer-events: none;
}

.pf-hero-bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(140,82,255,0.08) 0%, transparent 70%);
    top: -80px;
    left: -120px;
    z-index: 1;
    pointer-events: none;
}

.pf-hero-inner {
    position: relative;
    z-index: 3;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 56px);
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 56px;
    align-items: center;
}

.pf-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 22px;
    font-family: var(--font-nav);
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.pf-breadcrumb a { color: rgba(255,255,255,0.5); transition: color 0.2s; }
.pf-breadcrumb a:hover { color: var(--purple-light); }
.pf-breadcrumb-sep { color: rgba(255,255,255,0.3); font-size: 11px; }
.pf-breadcrumb-current { color: var(--purple-light); }

.pf-hero-title {
    font-family: var(--font-body);
    font-size: clamp(34px, 4.8vw, 62px);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 22px;
    max-width: 640px;
}

.pf-hero-desc {
    font-family: var(--font-nav);
    font-size: clamp(14px, 1.1vw, 17px);
    line-height: 1.75;
    color: rgba(255,255,255,0.72);
    max-width: 560px;
    margin-bottom: 32px;
}

.pf-hero-pills {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 24px;
    max-width: 540px;
}

.pf-hero-pills li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-nav);
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
}

.pf-hero-pills li i {
    color: var(--purple-light);
    font-size: 15px;
    flex-shrink: 0;
}

/* Portfolio form */
.pf-form-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 12px;
    padding: 36px 32px 32px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.35);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.pf-form-title {
    font-family: var(--font-body);
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 26px;
    line-height: 1.3;
}

.pf-form-group { margin-bottom: 14px; }

.pf-form-input {
    width: 100%;
    padding: 14px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.22);
    border-radius: 0;
    font-family: var(--font-nav);
    font-size: 14px;
    color: #fff;
    outline: none;
    transition: border-color 0.2s;
    resize: none;
}

.pf-form-input::placeholder { color: rgba(255,255,255,0.45); }
.pf-form-input:focus { border-bottom-color: var(--purple-light); }

.pf-form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-nav);
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 20px;
    cursor: pointer;
}

.pf-form-check input { accent-color: var(--purple-light); }

.btn-pf-submit {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(90deg, #8C52FF 0%, #412676 100%);
    border: none;
    border-radius: 8px;
    font-family: var(--font-nav);
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: opacity 0.2s, transform 0.2s;
    box-shadow: 0 6px 24px rgba(140,82,255,0.35);
}

.btn-pf-submit:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

/* ---- FEATURED IN ---- */
.pf-featured-sec {
    background: #fff;
    padding: 56px 24px;
    border-bottom: 1px solid #eee;
}

.pf-featured-title {
    font-family: var(--font-body);
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 600;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 36px;
}

.pf-featured-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px 40px;
}

.pf-featured-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-nav);
    font-size: 16px;
    font-weight: 700;
    color: #333;
    opacity: 0.7;
    transition: opacity 0.25s, color 0.25s;
}

.pf-featured-item i {
    font-size: 22px;
    color: var(--purple-light);
}

.pf-featured-item:hover {
    opacity: 1;
    color: var(--purple-deep);
}

/* ---- CASE STUDIES ---- */
.pf-cases-sec {
    background: var(--bg-dark);
    padding: 100px 24px 120px;
}

.pf-cases-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 48px;
}

.pf-cases-title {
    font-family: var(--font-body);
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 500;
    color: #fff;
    line-height: 1.2;
    margin: 16px 0;
}

.pf-cases-subtitle {
    font-family: var(--font-nav);
    font-size: 15px;
    line-height: 1.75;
    color: rgba(255,255,255,0.6);
}

.pf-filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 52px;
}

.pf-filter-btn {
    padding: 10px 20px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50px;
    background: rgba(255,255,255,0.03);
    font-family: var(--font-nav);
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,0.65);
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.pf-filter-btn:hover {
    border-color: rgba(140,82,255,0.4);
    color: #fff;
    background: rgba(140,82,255,0.08);
}

.pf-filter-btn.is-active {
    background: linear-gradient(90deg, #8C52FF 0%, #412676 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 18px rgba(140,82,255,0.35);
}

.pf-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.pf-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), box-shadow 0.35s, border-color 0.35s, opacity 0.3s;
}

.pf-card.is-hidden {
    display: none;
}

.pf-card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--pf-accent, #8C52FF) 40%, transparent);
    box-shadow: 0 24px 56px rgba(0,0,0,0.4);
}

.pf-card-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #120828;
}

.pf-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.22,1,0.36,1), opacity 0.4s;
}

.pf-card:hover .pf-card-img {
    transform: scale(1.06);
}

.pf-card-hover {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,6,24,0.2) 0%, rgba(10,6,24,0.92) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.pf-card:hover .pf-card-hover {
    opacity: 1;
}

.pf-card-stat {
    display: inline-block;
    padding: 6px 14px;
    background: color-mix(in srgb, var(--pf-accent, #8C52FF) 22%, transparent);
    border: 1px solid color-mix(in srgb, var(--pf-accent, #8C52FF) 45%, transparent);
    border-radius: 50px;
    font-family: var(--font-nav);
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    width: fit-content;
}

.pf-card-hover-desc {
    font-family: var(--font-nav);
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255,255,255,0.8);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pf-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-nav);
    font-size: 13px;
    font-weight: 600;
    color: var(--pf-accent, var(--purple-light));
    transition: gap 0.2s;
}

.pf-card-link:hover { gap: 12px; }

.pf-card-body {
    padding: 22px 24px 26px;
    position: relative;
}

.pf-card-title {
    font-family: var(--font-body);
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
    padding-right: 48px;
}

.pf-card-desc {
    font-family: var(--font-nav);
    font-size: 13px;
    line-height: 1.65;
    color: rgba(255,255,255,0.55);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pf-card-btn {
    position: absolute;
    top: 22px;
    right: 22px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--pf-accent, var(--purple-light));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s, box-shadow 0.25s;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--pf-accent, #8C52FF) 40%, transparent);
}

.pf-card-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px color-mix(in srgb, var(--pf-accent, #8C52FF) 55%, transparent);
}

.pf-empty-msg {
    text-align: center;
    font-family: var(--font-nav);
    font-size: 15px;
    color: rgba(255,255,255,0.5);
    padding: 48px 0;
}

/* ---- CLIENTS (Premium) ---- */
.pf-clients-sec {
    position: relative;
    background: linear-gradient(180deg, #0A0618 0%, #05010d 50%, #0A0618 100%);
    padding: 110px 24px 100px;
    overflow: hidden;
    border-top: 1px solid rgba(255,255,255,0.04);
}

.pf-clients-bg-glow {
    position: absolute;
    width: 800px;
    height: 400px;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse, rgba(140,82,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.pf-clients-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 52px;
    position: relative;
    z-index: 2;
}

.pf-clients-title {
    font-family: var(--font-body);
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 500;
    color: #fff;
    margin: 16px 0 14px;
    line-height: 1.2;
}

.pf-clients-subtitle {
    font-family: var(--font-nav);
    font-size: 15px;
    line-height: 1.75;
    color: rgba(255,255,255,0.6);
}

/* Stats strip */
.pf-clients-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 48px;
    position: relative;
    z-index: 2;
}

.pf-clients-stat {
    background: rgba(255,255,255,0.02);
    padding: 28px 20px;
    text-align: center;
    transition: background 0.3s;
}

.pf-clients-stat:hover {
    background: rgba(140,82,255,0.06);
}

.pf-clients-stat-num {
    display: block;
    font-family: var(--font-body);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 6px;
}

.pf-clients-stat-num [data-val] {
    color: var(--purple-light);
}

.pf-clients-stat-label {
    font-family: var(--font-nav);
    font-size: 12px;
    font-weight: 500;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Client cards grid */
.pf-clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    z-index: 2;
    margin-bottom: 48px;
}

.pf-client-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 28px 24px 22px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), border-color 0.35s, box-shadow 0.35s, background 0.35s;
    cursor: default;
}

.pf-client-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--client-gradient);
    opacity: 0;
    transition: opacity 0.35s;
}

.pf-client-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--client-accent) 12%, transparent) 0%, transparent 55%);
    opacity: 0;
    transition: opacity 0.35s;
    pointer-events: none;
}

.pf-client-card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--client-accent) 35%, transparent);
    background: rgba(255,255,255,0.05);
    box-shadow: 0 20px 48px rgba(0,0,0,0.35), 0 0 0 1px color-mix(in srgb, var(--client-accent) 15%, transparent);
}

.pf-client-card:hover::before,
.pf-client-card:hover::after {
    opacity: 1;
}

.pf-client-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.pf-client-logo {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--client-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    box-shadow: 0 8px 24px color-mix(in srgb, var(--client-accent) 35%, transparent);
    transition: transform 0.35s cubic-bezier(0.22,1,0.36,1);
}

.pf-client-card:hover .pf-client-logo {
    transform: scale(1.08) rotate(-3deg);
}

.pf-client-industry {
    font-family: var(--font-nav);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--client-accent);
    padding: 5px 10px;
    border: 1px solid color-mix(in srgb, var(--client-accent) 30%, transparent);
    border-radius: 50px;
    background: color-mix(in srgb, var(--client-accent) 10%, transparent);
}

.pf-client-name {
    font-family: var(--font-body);
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.pf-client-tagline {
    font-family: var(--font-nav);
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255,255,255,0.52);
    flex: 1;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.pf-client-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
    position: relative;
    z-index: 1;
}

.pf-client-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-nav);
    font-size: 11px;
    font-weight: 500;
    color: rgba(255,255,255,0.45);
}

.pf-client-badge i {
    color: var(--client-accent);
    font-size: 12px;
}

.pf-client-arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    transition: all 0.3s;
}

.pf-client-card:hover .pf-client-arrow {
    background: var(--client-accent);
    border-color: var(--client-accent);
    color: #fff;
    transform: translate(2px, -2px);
}

/* Partners bar */
.pf-partners-bar {
    position: relative;
    z-index: 2;
    padding: 32px 36px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 20px;
}

.pf-partners-label {
    font-family: var(--font-nav);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    text-align: center;
    margin-bottom: 24px;
}

.pf-partners-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.pf-partner-pill {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
    transition: border-color 0.25s, background 0.25s;
}

.pf-partner-pill:hover {
    border-color: rgba(140,82,255,0.3);
    background: rgba(140,82,255,0.06);
}

.pf-partner-pill i {
    font-size: 22px;
    color: var(--purple-light);
    flex-shrink: 0;
}

.pf-partner-pill strong {
    display: block;
    font-family: var(--font-nav);
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    line-height: 1.3;
}

.pf-partner-pill span {
    display: block;
    font-family: var(--font-nav);
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    margin-top: 2px;
}

/* ---- CTA ---- */
.pf-cta-sec {
    background: var(--bg-dark-deep);
    padding: 80px 24px 120px;
}

.pf-cta-card {
    position: relative;
    background: linear-gradient(135deg, #120828 0%, #0A0618 55%, #1a0d36 100%);
    border: 1px solid rgba(140,82,255,0.22);
    border-radius: 28px;
    padding: 72px 64px;
    text-align: center;
    overflow: hidden;
}

.pf-cta-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(140,82,255,0.12) 0%, transparent 70%);
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

.pf-cta-content {
    position: relative;
    z-index: 2;
    max-width: 620px;
    margin: 0 auto;
}

.pf-cta-eyebrow {
    font-family: var(--font-nav);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--purple-light);
    margin-bottom: 12px;
}

.pf-cta-title {
    font-family: var(--font-body);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 500;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 16px;
}

.pf-cta-desc {
    font-family: var(--font-nav);
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255,255,255,0.65);
    margin-bottom: 32px;
}

.pf-cta-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-pf-primary {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 14px 14px 14px 28px;
    background: linear-gradient(90deg, #8C52FF 0%, #6a3fd4 38%, #3d2478 72%, #120828 100%);
    border-radius: 50px;
    font-family: var(--font-nav);
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    box-shadow: 0 4px 22px rgba(140,82,255,0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-pf-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(140,82,255,0.4);
}

.btn-pf-arrow {
    width: 34px;
    height: 34px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--purple-light);
}

.btn-pf-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    font-family: var(--font-nav);
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    background: rgba(255,255,255,0.04);
    transition: border-color 0.2s, background 0.2s;
}

.btn-pf-ghost:hover {
    border-color: var(--purple-light);
    background: rgba(140,82,255,0.08);
    color: #fff;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
    .pf-grid { grid-template-columns: repeat(2, 1fr); }
    .pf-clients-grid { grid-template-columns: repeat(2, 1fr); }
    .pf-clients-stats { grid-template-columns: repeat(2, 1fr); }
    .pf-partners-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
    .pf-hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .pf-hero { min-height: auto; padding-top: 130px; }

    .pf-hero-bg-img { object-position: 70% center; }
}

@media (max-width: 640px) {
    .pf-grid { grid-template-columns: 1fr; }
    .pf-hero-pills { grid-template-columns: 1fr; }
    .pf-filter-bar { gap: 8px; }
    .pf-filter-btn { padding: 8px 14px; font-size: 12px; }
    .pf-cta-card { padding: 48px 28px; }
    .pf-clients-grid { grid-template-columns: 1fr; }
    .pf-clients-stats { grid-template-columns: 1fr 1fr; }
    .pf-partners-row { grid-template-columns: 1fr; }
    .pf-partners-bar { padding: 24px 20px; }
}