.portfolio-hero { padding: 78px 0 62px; background: linear-gradient(180deg, #f4f8ff 0%, #fff 100%); text-align: center; }
.portfolio-kicker { color: #ff7a00; font-size: 12px; font-weight: 900; text-transform: uppercase; }
.portfolio-hero h1 { margin-top: 10px; color: #062653; font-size: clamp(38px, 5vw, 58px); line-height: 1.08; }
.portfolio-hero h1 span { color: #ff7a00; }
.portfolio-hero p { max-width: 650px; margin: 16px auto 0; color: #627086; font-size: 16px; }
.portfolio-section { padding: 52px 0 82px; background: #fff; }
.portfolio-section .container { width: min(1180px, calc(100% - 40px)); }
.portfolio-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; color: #66758b; font-size: 14px; }
.portfolio-toolbar strong { color: #062653; font-size: 20px; }
.portfolio-toolbar a { color: #ff7a00; font-weight: 800; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.portfolio-card { display: block; overflow: hidden; border: 1px solid #e7edf6; border-radius: 14px; background: #fff; box-shadow: 0 16px 38px rgba(4,31,71,.09); transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.portfolio-card:hover { transform: translateY(-8px); border-color: rgba(255,122,0,.38); box-shadow: 0 26px 54px rgba(4,31,71,.15); }
.portfolio-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: #eaf2fb; }
.portfolio-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s cubic-bezier(.2,.8,.2,1); }
.portfolio-card:hover .portfolio-media img { transform: scale(1.06); }
.portfolio-placeholder { display: grid; width: 100%; height: 100%; place-items: center; color: #87a0bd; background: linear-gradient(145deg, #edf5ff, #dbe8f7); font-size: 42px; }
.portfolio-arrow { position: absolute; top: 16px; right: 16px; display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid rgba(255,255,255,.8); border-radius: 50%; color: #fff; background: rgba(5,37,79,.3); font-size: 18px; backdrop-filter: blur(8px); transition: color .3s ease, background .3s ease, transform .3s ease; }
.portfolio-card:hover .portfolio-arrow { color: #062653; background: #fff; transform: rotate(45deg); }
.portfolio-number { position: absolute; bottom: 14px; left: 16px; color: rgba(255,255,255,.95); font-size: 12px; font-weight: 900; text-shadow: 0 2px 8px rgba(0,0,0,.35); }
.portfolio-content { padding: 22px 24px 24px; }
.portfolio-content > span { color: #087fe5; font-size: 10px; font-weight: 900; text-transform: uppercase; }
.portfolio-content h2 { margin-top: 7px; color: #062653; font-size: 21px; line-height: 1.25; }
.portfolio-content p { margin-top: 5px; color: #637086; font-size: 14px; }
.portfolio-empty { padding: 70px 24px; border: 1px dashed #cfdaea; border-radius: 14px; color: #637086; background: #f8fbff; text-align: center; }
.portfolio-empty i { color: #8da5c1; font-size: 42px; }
.portfolio-empty h2 { margin-top: 14px; color: #062653; }
.portfolio-empty p { margin-top: 5px; }

@media (max-width: 940px) {
    .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
    .portfolio-hero { padding: 58px 0 48px; }
    .portfolio-section { padding: 38px 0 60px; }
    .portfolio-section .container { width: min(100% - 24px, 1180px); }
    .portfolio-toolbar { align-items: flex-start; flex-direction: column; }
    .portfolio-grid { grid-template-columns: 1fr; }
}


.featured-case-section {
    position: relative;
    overflow: hidden;
    padding: 84px 0 92px;
    background:
        radial-gradient(circle at 12% 16%, rgba(8, 127, 229, .12), transparent 30%),
        radial-gradient(circle at 88% 10%, rgba(255, 122, 0, .13), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
}
.featured-case-section::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(6, 38, 83, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 38, 83, .045) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.74), transparent 78%);
}
.featured-case-section .container { position: relative; z-index: 1; width: min(1180px, calc(100% - 40px)); }
.featured-case-heading { max-width: 790px; margin: 0 auto 34px; text-align: center; }
.featured-case-heading h2 { margin-top: 10px; color: #062653; font-size: clamp(32px, 4.4vw, 52px); line-height: 1.05; letter-spacing: -.035em; }
.featured-case-heading p { margin: 14px auto 0; color: #5d6c82; font-size: 16px; line-height: 1.75; }
.case-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; align-items: stretch; }
.case-feature-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(6, 38, 83, .08);
    border-radius: 28px;
    background: rgba(255,255,255,.82);
    box-shadow: 0 22px 60px rgba(4, 31, 71, .12);
    backdrop-filter: blur(18px);
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.case-feature-card::after {
    content: "";
    position: absolute;
    inset: auto -70px -95px auto;
    width: 210px;
    height: 210px;
    border-radius: 999px;
    background: radial-gradient(circle, color-mix(in srgb, var(--case-color) 24%, transparent), transparent 68%);
    pointer-events: none;
}
.case-feature-card:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--case-color) 42%, transparent); box-shadow: 0 34px 76px rgba(4, 31, 71, .18); }
.case-feature-media { position: relative; aspect-ratio: 16 / 10; margin: 14px; overflow: hidden; border-radius: 20px; background: #eef5ff; }
.case-feature-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.01); transition: transform .65s cubic-bezier(.2,.8,.2,1), filter .35s ease; }
.case-feature-card:hover .case-feature-media img { transform: scale(1.055); filter: saturate(1.08) contrast(1.03); }
.case-feature-badge,
.case-feature-number {
    position: absolute;
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(255,255,255,.62);
    color: #fff;
    background: rgba(4, 22, 47, .52);
    box-shadow: 0 10px 28px rgba(0,0,0,.16);
    backdrop-filter: blur(10px);
    font-weight: 900;
}
.case-feature-badge { left: 16px; top: 16px; min-height: 34px; padding: 8px 12px; border-radius: 999px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.case-feature-number { right: 16px; bottom: 16px; width: 42px; height: 42px; justify-content: center; border-radius: 14px; font-size: 13px; }
.case-feature-body { position: relative; z-index: 1; padding: 8px 24px 28px; }
.case-feature-meta { display: flex; align-items: center; gap: 10px; color: #627086; font-size: 11px; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.case-feature-icon { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 12px; color: #fff; background: linear-gradient(135deg, var(--case-color), #062653); box-shadow: 0 12px 24px color-mix(in srgb, var(--case-color) 22%, transparent); font-size: 15px; }
.case-feature-body h3 { margin-top: 14px; color: #062653; font-size: clamp(25px, 3vw, 32px); line-height: 1.05; letter-spacing: -.025em; }
.case-feature-body h4 { margin-top: 10px; color: #102d52; font-size: 16px; line-height: 1.42; }
.case-feature-body p { margin-top: 10px; color: #657489; font-size: 14px; line-height: 1.72; }
.case-metric-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin-top: 18px; }
.case-metric { padding: 12px 10px; border: 1px solid rgba(6,38,83,.08); border-radius: 16px; background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(246,250,255,.78)); text-align: center; }
.case-metric strong { display: block; color: var(--case-color); font-size: 15px; line-height: 1.05; }
.case-metric span { display: block; margin-top: 4px; color: #66758b; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.case-focus-list { margin-top: 18px; padding: 16px; border: 1px solid color-mix(in srgb, var(--case-color) 18%, transparent); border-radius: 18px; background: color-mix(in srgb, var(--case-color) 7%, #fff); }
.case-focus-list strong { color: #062653; font-size: 12px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.case-focus-list ul { display: grid; gap: 8px; margin: 12px 0 0; padding: 0; list-style: none; }
.case-focus-list li { position: relative; padding-left: 18px; color: #34445a; font-size: 13px; font-weight: 700; line-height: 1.45; }
.case-focus-list li::before { content: ""; position: absolute; left: 0; top: .56em; width: 8px; height: 8px; border-radius: 50%; background: var(--case-color); box-shadow: 0 0 0 4px color-mix(in srgb, var(--case-color) 14%, transparent); }

@media (max-width: 1080px) {
    .case-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .case-feature-card:first-child { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
    .featured-case-section { padding: 62px 0 70px; }
    .featured-case-section .container { width: min(100% - 24px, 1180px); }
    .case-feature-grid { grid-template-columns: 1fr; }
    .case-feature-card:first-child { grid-column: auto; }
    .case-feature-media { margin: 10px; border-radius: 18px; }
    .case-feature-body { padding: 8px 18px 22px; }
    .case-metric-row { grid-template-columns: 1fr; }
}

.case-study-section {
    position: relative;
    overflow: hidden;
    padding: 88px 0 96px;
    background:
        radial-gradient(circle at 12% 14%, rgba(8, 127, 229, .11), transparent 30%),
        radial-gradient(circle at 88% 8%, rgba(255, 122, 0, .12), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #ffffff 46%, #f4f8ff 100%);
    color: #061b31;
}
.case-study-section::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(6, 38, 83, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 38, 83, .045) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.72), transparent 80%);
}
.case-study-section .container { position: relative; z-index: 1; width: min(1180px, calc(100% - 40px)); }
.case-study-heading { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.case-study-heading h2 { margin-top: 10px; color: #062653; font-size: clamp(32px, 4vw, 48px); line-height: 1.08; letter-spacing: -.03em; }
.case-study-heading p { margin: 14px auto 0; color: #5d6c82; font-size: 16px; line-height: 1.7; }
.case-study-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.case-study-card {
    position: relative;
    min-height: 410px;
    padding: 26px;
    overflow: hidden;
    border: 1px solid rgba(6, 38, 83, .09);
    border-radius: 24px;
    background: rgba(255,255,255,.86);
    box-shadow: 0 22px 60px rgba(4,31,71,.12);
    backdrop-filter: blur(18px);
    transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.case-study-card::after {
    content: "";
    position: absolute;
    right: -72px;
    bottom: -90px;
    width: 210px;
    height: 210px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,122,0,.18), transparent 68%);
    transition: transform .45s ease, opacity .45s ease;
}
.case-study-card:hover { transform: translateY(-7px); border-color: rgba(255,122,0,.38); box-shadow: 0 34px 76px rgba(4,31,71,.17); }
.case-study-card:hover::after { transform: scale(1.16); opacity: .9; }
.case-card-topline { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 22px; }
.case-index { color: #8a9bb1; font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.case-accent { padding: 7px 11px; border: 1px solid rgba(255,122,0,.18); border-radius: 999px; color: #ff7a00; background: rgba(255,122,0,.08); font-size: 10px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.case-icon { position: relative; z-index: 1; display: grid; width: 54px; height: 54px; margin-bottom: 18px; place-items: center; border-radius: 16px; color: #fff; background: linear-gradient(135deg, #ff7a00, #087fe5); box-shadow: 0 16px 34px rgba(8,127,229,.18); font-size: 22px; }
.case-sector { position: relative; z-index: 1; color: #087fe5; font-size: 11px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.case-study-card h3 { position: relative; z-index: 1; margin-top: 8px; color: #062653; font-size: clamp(22px, 3vw, 28px); line-height: 1.18; letter-spacing: -.02em; }
.case-study-card p { position: relative; z-index: 1; margin-top: 12px; color: #657489; font-size: 14px; line-height: 1.72; }
.case-products { position: relative; z-index: 1; margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(6,38,83,.08); }
.case-products strong { color: #062653; font-size: 12px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.case-products ul { display: flex; flex-wrap: wrap; gap: 9px; margin: 13px 0 0; padding: 0; list-style: none; }
.case-products li { padding: 8px 10px; border: 1px solid rgba(83,58,253,.12); border-radius: 999px; color: #34445a; background: rgba(83,58,253,.055); font-size: 12px; font-weight: 700; }

@media (max-width: 940px) {
    .case-study-grid { grid-template-columns: 1fr; }
    .case-study-card { min-height: auto; }
}




/* SEO + premium UI/UX portfolio enhancements */
.portfolio-hero-premium {
    position: relative;
    overflow: hidden;
    padding: 92px 0 82px;
    text-align: left;
    background:
        radial-gradient(circle at 12% 16%, rgba(83,58,253,.15), transparent 32%),
        radial-gradient(circle at 86% 8%, rgba(255,122,0,.16), transparent 30%),
        linear-gradient(135deg, #f8fbff 0%, #ffffff 46%, #edf5ff 100%);
}
.portfolio-hero-premium::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(6, 27, 49, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 27, 49, .045) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.85), transparent 84%);
}
.portfolio-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr); gap: 54px; align-items: center; width: min(1180px, calc(100% - 40px)); }
.portfolio-breadcrumb { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 20px; padding: 8px 12px; border: 1px solid #e5edf5; border-radius: 999px; color: #64748d; background: rgba(255,255,255,.78); box-shadow: rgba(23,23,23,.06) 0 8px 24px; font-size: 13px; font-weight: 800; }
.portfolio-breadcrumb a { color: #533afd; }
.portfolio-breadcrumb strong { color: #061b31; }
.portfolio-hero-copy h1 { max-width: 720px; margin-top: 10px; color: #061b31; font-size: clamp(42px, 5.4vw, 68px); font-weight: 600; line-height: .98; letter-spacing: -.045em; }
.portfolio-hero-copy h1 span { color: #533afd; }
.portfolio-hero-copy p { max-width: 650px; margin-top: 18px; color: #64748d; font-size: 18px; line-height: 1.68; }
.portfolio-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.portfolio-primary-cta, .portfolio-secondary-cta { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 8px; border-radius: 10px; padding: 12px 18px; font-weight: 900; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.portfolio-primary-cta { color: #fff; background: #533afd; box-shadow: rgba(50,50,93,.25) 0 22px 44px -20px, rgba(0,0,0,.1) 0 14px 30px -18px; }
.portfolio-primary-cta:hover { color: #fff; background: #4434d4; transform: translateY(-2px); }
.portfolio-secondary-cta { color: #533afd; border: 1px solid #b9b9f9; background: rgba(255,255,255,.72); }
.portfolio-secondary-cta:hover { background: rgba(83,58,253,.06); transform: translateY(-2px); }
.portfolio-trust-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: 720px; margin-top: 28px; }
.portfolio-trust-row span { display: grid; gap: 4px; min-height: 74px; align-content: center; padding: 14px; border: 1px solid #e5edf5; border-radius: 16px; color: #64748d; background: rgba(255,255,255,.74); box-shadow: rgba(23,23,23,.06) 0 12px 30px; font-size: 12px; font-weight: 800; }
.portfolio-trust-row strong { color: #061b31; font-size: 20px; line-height: 1; }
.portfolio-hero-visual { position: relative; min-height: 490px; }
.hero-visual-card { position: absolute; overflow: hidden; border: 1px solid rgba(255,255,255,.72); border-radius: 24px; background: #fff; box-shadow: rgba(50,50,93,.25) 0 30px 45px -30px, rgba(0,0,0,.12) 0 18px 36px -18px; }
.hero-visual-card img { display: block; width: 100%; height: 100%; object-fit: cover; }
.hero-visual-main { inset: 28px 20px 42px 44px; }
.hero-visual-main::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 52%, rgba(4,22,47,.76)); pointer-events: none; }
.hero-visual-main div { position: absolute; z-index: 1; left: 22px; right: 22px; bottom: 20px; display: flex; align-items: end; justify-content: space-between; gap: 14px; color: #fff; }
.hero-visual-main strong { font-size: 28px; line-height: 1; }
.hero-visual-main span { padding: 8px 10px; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; background: rgba(255,255,255,.15); font-size: 12px; font-weight: 900; }
.hero-visual-float { width: 220px; height: 150px; }
.hero-visual-float span { position: absolute; left: 12px; bottom: 12px; padding: 7px 10px; border-radius: 999px; color: #fff; background: rgba(4,22,47,.62); backdrop-filter: blur(8px); font-size: 11px; font-weight: 900; }
.hero-visual-float.one { left: 0; top: 0; transform: rotate(-4deg); }
.hero-visual-float.two { right: 0; bottom: 0; transform: rotate(4deg); }
.portfolio-seo-strip { padding: 28px 0; background: #061b31; color: #fff; }
.portfolio-seo-strip-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; width: min(1180px, calc(100% - 40px)); }
.portfolio-seo-strip article { padding: 18px 18px 20px; border: 1px solid rgba(255,255,255,.11); border-radius: 18px; background: rgba(255,255,255,.07); box-shadow: rgba(0,0,0,.18) 0 18px 44px; }
.portfolio-seo-strip span { color: #9ecbff; font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.portfolio-seo-strip h2 { margin-top: 8px; color: #fff; font-size: 18px; line-height: 1.15; }
.portfolio-seo-strip p { margin-top: 8px; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.6; }
.portfolio-toolbar-enhanced { padding: 16px; border: 1px solid #e5edf5; border-radius: 18px; background: #fff; box-shadow: rgba(23,23,23,.06) 0 14px 34px; }
.portfolio-filter-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.portfolio-filter-chips span, .case-seo-tags span { display: inline-flex; align-items: center; min-height: 28px; padding: 6px 10px; border: 1px solid #d6d9fc; border-radius: 999px; color: #533afd; background: rgba(83,58,253,.055); font-size: 11px; font-weight: 900; }
.case-seo-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.case-feature-media img, .portfolio-media img { background: #eef5ff; }

@media (max-width: 1080px) {
    .portfolio-hero-grid { grid-template-columns: 1fr; }
    .portfolio-hero-visual { min-height: 420px; }
    .portfolio-trust-row, .portfolio-seo-strip-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
    .portfolio-hero-premium { padding: 64px 0 56px; }
    .portfolio-hero-grid, .portfolio-seo-strip-grid { width: min(100% - 24px, 1180px); }
    .portfolio-hero-copy h1 { font-size: clamp(34px, 11vw, 46px); }
    .portfolio-hero-copy p { font-size: 16px; }
    .portfolio-trust-row, .portfolio-seo-strip-grid { grid-template-columns: 1fr; }
    .portfolio-hero-visual { min-height: 360px; }
    .hero-visual-main { inset: 52px 0 44px 0; }
    .hero-visual-float { width: 168px; height: 112px; }
    .portfolio-toolbar-enhanced { align-items: flex-start; flex-direction: column; }
    .portfolio-filter-chips { justify-content: flex-start; }
    .featured-case-section { padding: 62px 0 70px; }
    .featured-case-section .container { width: min(100% - 24px, 1180px); }
    .case-feature-grid { grid-template-columns: 1fr; }
    .case-feature-card:first-child { grid-column: auto; }
    .case-feature-media { margin: 10px; border-radius: 18px; }
    .case-feature-body { padding: 8px 18px 22px; }
    .case-metric-row { grid-template-columns: 1fr; }
    .case-study-section { padding: 62px 0 70px; }
    .case-study-section .container { width: min(100% - 24px, 1180px); }
    .case-study-card { padding: 22px; border-radius: 20px; }
    .case-card-topline { align-items: flex-start; flex-direction: column; }
}