/* ==========================================================================
   ROLE SELECTION & DYNAMIC EXPERIENCE SYSTEM
   Vinay Kumar — Engineering. Leadership. Architecture.
   Pure Vanilla CSS (Zero Node/Build dependencies, CodeIgniter & PHP Native)
   ========================================================================== */

/* --- First Screen Hero Layout Overrides & Additions --- */
.role-hero-section {
    padding-top: clamp(5.5rem, 9vw, 7.5rem);
    padding-bottom: clamp(3rem, 6vw, 5rem);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.role-hero-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* --- Header / Candidate Identity --- */
.hero-role-header {
    text-align: left;
    width: 100%;
    max-width: 100%;
    margin: 0;
    display: flex;
    flex-direction: row;
    gap: 2rem;
    justify-content: center;
    align-items: center;
}

/* --- Hero Avatar Showcase & 3 Overlays --- */
.hero-avatar-showcase {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    margin: 0 auto 1.15rem;
    z-index: 5;
}

.hero-avatar-frame {
    position: relative;
    width: 96px;
    height: 96px;
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(147, 51, 234, 0.85));
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.35), inset 0 0 15px rgba(255, 255, 255, 0.1);
    margin-bottom: 0.75rem;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-avatar-frame:hover {
    transform: scale(1.04);
    box-shadow: 0 0 35px rgba(59, 130, 246, 0.55);
}

.hero-avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    background: #0f172a;
}

.hero-avatar-status-dot {
    position: absolute;
    bottom: 3px;
    right: 3px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #10b981;
    border: 2.5px solid #0b1120;
    box-shadow: 0 0 10px #10b981;
    animation: rolePulse 2s infinite ease-in-out;
}

/* 3 Small Role Overlays */
.hero-avatar-overlays {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    flex-wrap: wrap;
    max-width: 680px;
}

.avatar-overlay-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 0.01em;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    line-height: 1.25;
}

[data-theme="light"] .avatar-overlay-pill {
    background: rgba(241, 245, 249, 0.88);
    border-color: rgba(15, 23, 42, 0.12);
    color: #475569;
}

.avatar-overlay-pill:hover {
    color: #ffffff;
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.18);
    transform: translateY(-1px);
}

[data-theme="light"] .avatar-overlay-pill:hover {
    color: #0f172a;
    background: rgba(59, 130, 246, 0.12);
}

.avatar-overlay-pill.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.avatar-overlay-pill:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Accessibility & Screen Reader utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Scroll Offset & Anchor Jump Stabilization */
section[id],
div[id].target-anchor {
    scroll-margin-top: calc(var(--nav-height, 72px) + 24px);
}

/* Ensure Hero is Always Instantly Visible */
.hero-container .fade-up,
.hero-container .fade-in,
.role-hero-section .fade-up,
.role-hero-section .fade-in {
    opacity: 1 !important;
    transform: none !important;
}

.first-screen-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.35);
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-secondary);
    margin-bottom: 0.85rem;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 10px #10b981;
    display: inline-block;
    animation: rolePulse 2s infinite ease-in-out;
}

@keyframes rolePulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.4;
        transform: scale(0.85);
    }
}

.hero-candidate-name {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 0.4rem;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .hero-candidate-name {
    background: linear-gradient(135deg, #0f172a 40%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-candidate-triad {
    font-family: var(--font-heading);
    font-size: clamp(1.15rem, 2.2vw, 1.5rem);
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.65rem;
    letter-spacing: -0.01em;
}

.hero-candidate-prompt {
    font-size: clamp(1rem, 1.35vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.5;
    justify-content: left !important;
}

/* --- The Three Role Selection Cards --- */
.role-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.role-select-card {
    background: var(--bg-glass);
    border: 1.5px solid var(--border-color);
    border-radius: 18px;
    padding: 1.5rem 1.35rem;
    text-align: left;
    cursor: pointer;
    position: relative;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 250px;
    outline: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.role-select-card:hover {
    border-color: rgba(59, 130, 246, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 24px rgba(59, 130, 246, 0.15);
}

.role-select-card:focus-visible {
    box-shadow: 0 0 0 3px var(--accent-primary);
}

/* Active State of Card */
.role-select-card.active {
    border-color: var(--accent-primary);
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.22), rgba(18, 18, 26, 0.85));
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.45), 0 0 35px rgba(59, 130, 246, 0.3);
    transform: translateY(-4px);
}

[data-theme="light"] .role-select-card.active {
    background: linear-gradient(145deg, rgba(219, 234, 254, 0.7), rgba(255, 255, 255, 0.95));
    border-color: var(--accent-primary);
    box-shadow: 0 16px 36px rgba(37, 99, 235, 0.12), 0 0 25px rgba(37, 99, 235, 0.15);
}

.role-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.role-card-icon-wrap {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: all 0.3s ease;
}

.role-card-icon-wrap.swe-icon {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.role-card-icon-wrap.lead-icon {
    background: rgba(14, 165, 233, 0.15);
    color: #0ea5e9;
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.role-card-icon-wrap.arch-icon {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.role-select-card.active .role-card-icon-wrap {
    transform: scale(1.08);
}

.role-select-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.role-select-card.active .role-select-status {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.4);
}

[data-theme="light"] .role-select-card.active .role-select-status {
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
    border-color: rgba(37, 99, 235, 0.3);
}

.role-select-card.active .role-select-status i {
    color: var(--accent-success);
}

.role-card-title {
    font-size: clamp(1.2rem, 1.6vw, 1.45rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.25;
}

.role-card-desc {
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin-bottom: 1.15rem;
    flex-grow: 1;
}

.role-card-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.role-card-pill {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
}

.role-select-card.active .role-card-pill {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.25);
    color: #cbd5e1;
}

[data-theme="light"] .role-select-card.active .role-card-pill {
    background: rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.2);
    color: #1e3a8a;
}

/* --- Dynamic Role Narrative Showcase --- */
.role-showcase-container {
    background: var(--bg-glass);
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.role-showcase-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
}

.role-showcase-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.role-lens-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--accent-secondary);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.35rem 0.9rem;
    border-radius: 9999px;
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.role-switch-tip {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.role-showcase-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.role-headline {
    font-size: clamp(1.35rem, 2.4vw, 1.85rem);
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 0.85rem;
    letter-spacing: -0.02em;
    transition: opacity 0.2s ease;
}

.role-summary {
    font-size: clamp(0.98rem, 1.25vw, 1.1rem);
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 950px;
    margin-bottom: 1.75rem;
    transition: opacity 0.2s ease;
}

/* --- Measurable Outcomes Grid --- */
.role-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.role-metric-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 0.85rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 0.25s ease;
}

.role-metric-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(59, 130, 246, 0.3);
}

.role-metric-num {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 2.2vw, 1.85rem);
    font-weight: 800;
    line-height: 1.1;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
    font-variant-numeric: tabular-nums;
}

.role-metric-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.35;
}

.role-metric-proof {
    font-size: 0.68rem;
    color: #64748b;
    margin-top: 0.25rem;
}

/* --- Project Attribution Badges --- */
.project-attribution-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.attribution-personal {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.35);
}

.attribution-lead {
    background: rgba(14, 165, 233, 0.15);
    color: #0ea5e9;
    border: 1px solid rgba(14, 165, 233, 0.35);
}

.attribution-client {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
    border: 1px solid rgba(168, 85, 247, 0.35);
}

.attribution-prototype {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.35);
}

/* Credibility Callout inside Project Narrative */
.credibility-box {
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid var(--accent-primary);
    padding: 0.75rem 1rem;
    border-radius: 0 8px 8px 0;
    margin: 0.75rem 0;
    font-size: 0.88rem;
    line-height: 1.5;
}

.credibility-label {
    font-weight: 700;
    color: var(--accent-secondary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.2rem;
}

/* --- Sticky / Floating Mobile Role Switcher --- */
.mobile-role-switcher-bar {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    z-index: 999;
    display: none;
    background: rgba(18, 18, 26, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.35rem 0.5rem;
    border-radius: 9999px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(59, 130, 246, 0.25);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
    opacity: 0;
    pointer-events: none;
    max-width: calc(100vw - 2rem);
}

.mobile-role-switcher-bar.is-visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

[data-theme="light"] .mobile-role-switcher-bar {
    background: rgba(255, 255, 255, 0.94);
    border-color: rgba(0, 0, 0, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12), 0 0 20px rgba(37, 99, 235, 0.15);
}

.mobile-role-switcher-nav {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.mobile-role-btn {
    background: transparent;
    border: none;
    padding: 0.45rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.2s ease;
    font-family: var(--font-heading);
}

.mobile-role-btn.active {
    background: var(--gradient-1);
    color: #ffffff;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.4);
}

/* Quick Resume & Contact Action in Floating Bar */
.mobile-role-sep {
    width: 1px;
    height: 18px;
    background: var(--border-color);
    margin: 0 0.15rem;
}

.mobile-quick-action {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.45rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
}

/* --- Responsive Media Queries --- */
@media (max-width: 991px) {
    .role-cards-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .role-select-card {
        min-height: auto;
        padding: 1.25rem;
    }

    .role-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mobile-role-switcher-bar {
        display: block;
    }
}

@media (max-width: 576px) {
    .role-hero-section {
        padding-top: 5rem;
        padding-bottom: 2rem;
    }

    .role-showcase-container {
        padding: 1.25rem 1rem;
    }

    .role-showcase-actions {
        width: 100%;
        flex-direction: column;
    }

    .role-showcase-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .role-metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.65rem;
    }

    .role-metric-item {
        padding: 0.75rem 0.65rem;
    }

    .mobile-role-btn span.label-long {
        display: none;
    }
}

/* =========================================
   Core Enterprise Technology Stack & Secondary Knowledge Skills
   ========================================= */
.skills-pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.skill-pillar-card {
    background: var(--card-bg, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.skill-pillar-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

[data-theme="light"] .skill-pillar-card {
    background: rgba(0, 0, 0, 0.02);
}

.skill-pillar-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.skill-pillar-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.skill-pillar-icon--blue {
    background: rgba(56, 189, 248, 0.12);
    color: #38bdf8;
}

.skill-pillar-icon--green {
    background: rgba(34, 197, 94, 0.12);
    color: #22c55e;
}

.skill-pillar-icon--purple {
    background: rgba(167, 139, 250, 0.12);
    color: #a78bfa;
}

.skill-pillar-icon--teal {
    background: rgba(45, 212, 191, 0.12);
    color: #2dd4bf;
}

.skill-pillar-icon--orange {
    background: rgba(249, 115, 22, 0.12);
    color: #f97316;
}

[data-theme="light"] .skill-pillar-icon--blue {
    background: rgba(56, 189, 248, 0.1);
    color: #0284c7;
}

[data-theme="light"] .skill-pillar-icon--green {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

[data-theme="light"] .skill-pillar-icon--purple {
    background: rgba(167, 139, 250, 0.1);
    color: #7c3aed;
}

[data-theme="light"] .skill-pillar-icon--teal {
    background: rgba(45, 212, 191, 0.1);
    color: #0d9488;
}

[data-theme="light"] .skill-pillar-icon--orange {
    background: rgba(249, 115, 22, 0.1);
    color: #ea580c;
}

.skill-pillar-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.skill-pillar-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

.skill-pillar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

/* --- Secondary & Extended Knowledge Section (Collapsible Accordion) --- */
.secondary-skills-section {
    margin-top: 2.75rem;
    background: var(--bg-glass, rgba(18, 18, 26, 0.7));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.secondary-skills-section:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.22);
}

.secondary-skills-section[open] {
    border-color: rgba(59, 130, 246, 0.45);
    background: rgba(18, 18, 26, 0.85);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
}

.secondary-skills-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    padding: 1.25rem 1.6rem;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background 0.25s ease;
    outline: none;
}

.secondary-skills-summary:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: -2px;
}

.secondary-skills-summary::-webkit-details-marker {
    display: none;
}

.secondary-skills-summary::marker {
    display: none;
}

.secondary-skills-summary:hover {
    background: rgba(255, 255, 255, 0.025);
}

.secondary-skills-section[open] .secondary-skills-summary {
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.015);
}

.secondary-summary-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 0;
}

.secondary-summary-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(147, 51, 234, 0.15));
    border: 1px solid rgba(59, 130, 246, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.35rem;
    flex-shrink: 0;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.secondary-skills-summary:hover .secondary-summary-icon {
    transform: scale(1.06);
    border-color: rgba(59, 130, 246, 0.45);
}

.secondary-summary-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.secondary-skills-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.secondary-summary-sub {
    font-size: 0.84rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

.secondary-summary-right {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-shrink: 0;
}

.secondary-summary-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    white-space: nowrap;
}

.secondary-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.95rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.secondary-skills-summary:hover .secondary-toggle-btn {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    color: #ffffff;
}

.secondary-toggle-arrow {
    font-size: 1.15rem;
    color: var(--accent-primary);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toggle-text-collapsed {
    display: inline;
}

.toggle-text-expanded {
    display: none;
}

.secondary-skills-section[open] .toggle-text-collapsed {
    display: none;
}

.secondary-skills-section[open] .toggle-text-expanded {
    display: inline;
}

.secondary-skills-section[open] .secondary-toggle-arrow {
    transform: rotate(180deg);
}

.secondary-skills-section[open] .secondary-toggle-btn {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.35);
}

.secondary-skills-content {
    padding: 1.5rem 1.6rem 1.75rem 1.6rem;
    animation: secondarySlideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes secondarySlideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.secondary-skills-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 1.4rem;
    line-height: 1.6;
}

.secondary-skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.secondary-skill-card {
    background: var(--card-bg, rgba(255, 255, 255, 0.025));
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all 0.2s ease;
}

.secondary-skill-card:hover {
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.04);
}

.secondary-skill-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}

.secondary-skill-head i {
    color: var(--accent-primary);
    font-size: 1.15rem;
}

.secondary-skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

/* Light Theme Enhancements for Secondary Skills */
[data-theme="light"] .secondary-skills-section {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .secondary-skills-section[open] {
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .secondary-summary-icon {
    background: rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.2);
    color: var(--accent-primary);
}

[data-theme="light"] .secondary-summary-badge {
    background: rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.2);
    color: #1d4ed8;
}

[data-theme="light"] .secondary-toggle-btn {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .secondary-skills-summary:hover .secondary-toggle-btn {
    background: var(--accent-primary);
    color: #ffffff;
}

[data-theme="light"] .secondary-skill-card {
    background: rgba(248, 250, 252, 0.8);
}

[data-theme="light"] .secondary-skill-card:hover {
    background: #ffffff;
}

/* Mobile Responsiveness for Secondary Skills */
@media (max-width: 768px) {
    .secondary-skills-summary {
        padding: 1.1rem 1.15rem;
        gap: 0.85rem;
        flex-wrap: wrap;
    }

    .secondary-summary-left {
        width: 100%;
    }

    .secondary-summary-right {
        width: 100%;
        justify-content: space-between;
        margin-top: 0.25rem;
    }

    .secondary-summary-sub {
        font-size: 0.8rem;
    }

    .secondary-skills-content {
        padding: 1.15rem 1.15rem 1.35rem 1.15rem;
    }

    .secondary-skills-grid {
        grid-template-columns: 1fr;
    }
}

/* Case Study Domain Filter Tabs - Smooth Horizontal Scroll */
.case-study-filter-wrapper {
    margin: 1.5rem auto 2.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    max-width: 100%;
    width: 100%;
    gap: 0.65rem;
}

.case-tabs-scroll-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-glass, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    color: var(--text-primary, #ffffff);
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 5;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.case-tabs-scroll-btn:hover {
    background: var(--accent-primary, #2563eb);
    color: #ffffff;
    border-color: var(--accent-primary, #2563eb);
    transform: scale(1.08);
}

.case-tabs-scroll-btn:disabled,
.case-tabs-scroll-btn[aria-disabled="true"] {
    opacity: 0.25;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
}

[data-theme="light"] .case-tabs-scroll-btn {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: #1e293b;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .case-tabs-scroll-btn:hover {
    background: var(--accent-primary, #2563eb);
    color: #ffffff;
    border-color: var(--accent-primary, #2563eb);
}

.case-study-tabs {
    display: flex;
    flex-wrap: nowrap !important;
    gap: 0.65rem;
    align-items: center;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0.4rem 0.5rem 0.75rem;
    max-width: 100%;
    scroll-snap-type: x proximity;
}

.case-study-tabs::-webkit-scrollbar {
    display: none;
}

.case-tab-btn {
    padding: 0.62rem 1.35rem;
    border-radius: 50px;
    background: var(--bg-glass, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    color: var(--text-secondary, #94a3b8);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    flex-shrink: 0;
    white-space: nowrap;
    scroll-snap-align: center;
    user-select: none;
}

.case-tab-btn i {
    font-size: 1.05rem;
}

.case-tab-btn:hover {
    color: #ffffff;
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(59, 130, 246, 0.12);
}

.case-tab-btn.active {
    background: #1d4ed8;
    color: #ffffff;
    border-color: #2563eb;
    box-shadow: 0 6px 20px rgba(29, 78, 216, 0.4);
    font-weight: 700;
}

[data-theme="light"] .case-tab-btn {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: #475569;
}

[data-theme="light"] .case-tab-btn:hover {
    color: #0f172a;
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.4);
}

[data-theme="light"] .case-tab-btn.active {
    background: #1d4ed8;
    color: #ffffff;
    border-color: #1e40af;
    font-weight: 700;
}

.case-tab-count {
    font-size: 0.72rem;
    padding: 0.12rem 0.52rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.18);
    color: inherit;
    font-weight: 700;
    line-height: 1.2;
}

.case-tab-btn.active .case-tab-count {
    background: #ffffff;
    color: #1d4ed8;
    font-weight: 700;
}

/* View All Collapsible Drawer */
.case-studies-viewall-wrap {
    margin-top: 2.75rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.case-studies-viewall-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    width: 100%;
    max-width: 680px;
    padding: 1.05rem 1.75rem;
    background: rgba(18, 24, 38, 0.75);
    border: 1.5px solid rgba(59, 130, 246, 0.3);
    border-radius: 14px;
    cursor: pointer;
    font-size: 0.98rem;
    font-weight: 600;
    color: #ffffff;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.case-studies-viewall-toggle:hover {
    background: rgba(30, 41, 59, 0.9);
    border-color: var(--accent-primary, #3b82f6);
    box-shadow: 0 8px 28px rgba(59, 130, 246, 0.25);
    transform: translateY(-2px);
}

.case-studies-viewall-toggle i {
    font-size: 1.35rem;
    color: var(--accent-primary, #3b82f6);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.case-studies-viewall-toggle[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.case-viewall-domains {
    font-size: 0.82rem;
    font-weight: 500;
    color: #94a3b8;
    opacity: 0.85;
    white-space: nowrap;
    padding-left: 0.75rem;
    border-left: 1px solid rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .case-studies-viewall-toggle {
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    color: #0f172a !important;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .case-studies-viewall-toggle:hover {
    background: #f8fafc;
    border-color: #2563eb;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

[data-theme="light"] .case-viewall-domains {
    color: #64748b;
    border-left-color: #cbd5e1;
}

@media (max-width: 1024px) {
    .case-studies-more-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .case-studies-more-grid {
        grid-template-columns: 1fr;
    }

    .case-viewall-domains {
        display: none;
    }
}