/**
 * Supporting Files & Tracks — Premium page layer
 * Targets: supportingFilesTracks.aspx
 * Scoped strictly to: .page-supporting-files
 */

.page-supporting-files {
    --sft-accent: #dc3545;
    --sft-accent-2: #ff6b6b;
    --sft-accent-rgb: 220, 53, 69;
    --sft-blue: #0b5cab;
    --sft-deep: #1a252f;
    --sft-slate: #2c3e50;
    --sft-slate-mid: #34495e;
    --sft-ink: #1a1d24;
    --sft-muted: #5c6570;
    --sft-soft: #f6f8fc;
    --sft-line: rgba(26, 29, 36, 0.08);
    --sft-radius-lg: 22px;
    --sft-radius-md: 14px;
    --sft-elev-1: 0 12px 28px rgba(15, 18, 28, 0.08);
    --sft-elev-2: 0 22px 56px rgba(15, 18, 28, 0.16);
}

/* ========== HERO ========== */
.page-supporting-files .sft-hero {
    position: relative;
    overflow: hidden;
    padding: 3rem 0 5.6rem;
    color: #fff;
    background:
        radial-gradient(55% 50% at 8% 0%, rgba(var(--sft-accent-rgb), 0.40), transparent 60%),
        radial-gradient(50% 45% at 92% 12%, rgba(11, 92, 171, 0.34), transparent 60%),
        linear-gradient(165deg, var(--sft-deep) 0%, var(--sft-slate) 55%, var(--sft-deep) 100%);
    border-bottom: 3px solid rgba(var(--sft-accent-rgb), 0.50);
}

.page-supporting-files .sft-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(-12deg, transparent, transparent 30px, rgba(255, 255, 255, 0.025) 30px, rgba(255, 255, 255, 0.025) 31px);
    pointer-events: none;
    z-index: 0;
}

.page-supporting-files .sft-hero > .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-supporting-files .sft-hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.page-supporting-files .sft-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.10);
    animation: sftFloat 9s ease-in-out infinite;
}

.page-supporting-files .sft-shape-1 {
    width: 220px;
    height: 220px;
    top: -60px;
    left: -50px;
    animation-delay: 0s;
}

.page-supporting-files .sft-shape-2 {
    width: 140px;
    height: 140px;
    bottom: -40px;
    right: 8%;
    animation-delay: -3s;
}

.page-supporting-files .sft-shape-3 {
    width: 90px;
    height: 90px;
    top: 35%;
    right: -30px;
    animation-delay: -6s;
}

@keyframes sftFloat {
    0%, 100% { transform: translateY(0) translateX(0); }
    50%      { transform: translateY(-14px) translateX(8px); }
}

.page-supporting-files .sft-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06));
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    padding: 0.4rem 1rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.20);
}

.page-supporting-files .sft-hero-badge i {
    color: var(--sft-accent-2);
}

.page-supporting-files .sft-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0.85rem 0 0.5rem;
    line-height: 1.15;
    background: linear-gradient(180deg, #fff 0%, #ffd8dd 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.page-supporting-files .sft-hero p {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1rem;
    line-height: 1.55;
    max-width: 46rem;
    margin: 0.6rem auto 1.5rem;
}

.page-supporting-files .sft-hero-stats {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.7rem 1rem;
}

.page-supporting-files .sft-hero-stats li {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    padding: 0.45rem 1rem;
    color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.page-supporting-files .sft-stat-icon i {
    color: var(--sft-accent-2);
}

.page-supporting-files .sft-stat-num {
    font-weight: 800;
    font-size: 0.92rem;
}

.page-supporting-files .sft-stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ========== Main wrapper ========== */
.page-supporting-files .sft-main {
    background: linear-gradient(180deg, #fafbfd 0%, #f1f4fa 100%);
    padding: 0 0 3.5rem;
    position: relative;
    z-index: 2;
}

.page-supporting-files .sft-main > .container {
    max-width: 1180px;
    margin-top: -2.6rem;
}

/* Section head */
.page-supporting-files .sft-section-head {
    margin: 0 0 1.4rem;
    padding: 1.15rem 1.4rem;
    background: #fff;
    border: 1px solid var(--sft-line);
    border-radius: var(--sft-radius-md);
    box-shadow: var(--sft-elev-1);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
}

.page-supporting-files .sft-section-head h2 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--sft-ink);
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    letter-spacing: -0.01em;
}

.page-supporting-files .sft-bar {
    display: inline-block;
    width: 6px;
    height: 26px;
    border-radius: 6px;
    background: linear-gradient(180deg, var(--sft-accent), var(--sft-accent-2));
    box-shadow: 0 0 12px rgba(var(--sft-accent-rgb), 0.45);
}

.page-supporting-files .sft-section-head p {
    margin: 0;
    color: var(--sft-muted);
    font-size: 0.95rem;
}

/* ========== GRID ========== */
.page-supporting-files .sft-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
}

@media (max-width: 991.98px) {
    .page-supporting-files .sft-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575.98px) {
    .page-supporting-files .sft-grid { grid-template-columns: 1fr; }
}

/* ========== CARD ========== */
.page-supporting-files .sft-card {
    position: relative;
    background:
        radial-gradient(120% 60% at 50% 0%, rgba(var(--sft-accent-rgb), 0.06) 0%, transparent 65%),
        #ffffff;
    border: 1px solid var(--sft-line);
    border-radius: var(--sft-radius-lg);
    box-shadow: var(--sft-elev-1);
    padding: 1.7rem 1.5rem 1.4rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    overflow: hidden;
    animation: sftCardIn 0.55s cubic-bezier(0.2, 0.8, 0.3, 1) both;
    transition:
        transform 0.25s cubic-bezier(0.2, 0.8, 0.3, 1),
        box-shadow 0.3s ease,
        border-color 0.25s ease;
}

.page-supporting-files .sft-grid .sft-card:nth-child(1) { animation-delay: 0.05s; }
.page-supporting-files .sft-grid .sft-card:nth-child(2) { animation-delay: 0.10s; }
.page-supporting-files .sft-grid .sft-card:nth-child(3) { animation-delay: 0.15s; }
.page-supporting-files .sft-grid .sft-card:nth-child(4) { animation-delay: 0.20s; }
.page-supporting-files .sft-grid .sft-card:nth-child(5) { animation-delay: 0.25s; }
.page-supporting-files .sft-grid .sft-card:nth-child(6) { animation-delay: 0.30s; }

@keyframes sftCardIn {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-supporting-files .sft-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(var(--sft-accent-rgb), 0.85), #ffd5db, rgba(var(--sft-accent-rgb), 0.85), transparent);
    opacity: 0.85;
}

.page-supporting-files .sft-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--sft-accent-rgb), 0.35);
    box-shadow:
        0 22px 50px rgba(15, 18, 28, 0.18),
        0 0 0 1px rgba(var(--sft-accent-rgb), 0.18);
}

/* Card number watermark */
.page-supporting-files .sft-card-num {
    position: absolute;
    top: 0.85rem;
    right: 1rem;
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 2.6rem;
    font-weight: 900;
    line-height: 1;
    color: rgba(var(--sft-accent-rgb), 0.10);
    letter-spacing: -0.04em;
    pointer-events: none;
    user-select: none;
}

/* Tag chip */
.page-supporting-files .sft-card-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--sft-accent);
    background: rgba(var(--sft-accent-rgb), 0.10);
    border: 1px solid rgba(var(--sft-accent-rgb), 0.25);
    border-radius: 999px;
    padding: 0.25rem 0.7rem;
    margin-bottom: 0.85rem;
}

.page-supporting-files .sft-card-tag i {
    font-size: 0.6rem;
    opacity: 0.8;
}

/* Big icon */
.page-supporting-files .sft-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.6rem;
    background: linear-gradient(135deg, var(--sft-accent) 0%, #e62a3b 50%, var(--sft-accent-2) 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.30),
        0 12px 24px rgba(var(--sft-accent-rgb), 0.35);
    margin-bottom: 1rem;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.3, 1);
}

.page-supporting-files .sft-card:hover .sft-card-icon {
    transform: scale(1.06) rotate(-3deg);
}

.page-supporting-files .sft-card-title {
    margin: 0 0 0.35rem;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--sft-ink);
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.page-supporting-files .sft-card-desc {
    margin: 0 0 0.85rem;
    font-size: 0.86rem;
    color: var(--sft-muted);
    line-height: 1.55;
}

.page-supporting-files .sft-card-features {
    list-style: none;
    margin: 0 0 1.05rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    width: 100%;
}

.page-supporting-files .sft-card-features li {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    color: var(--sft-ink);
}

.page-supporting-files .sft-card-features li i {
    color: #2bb673;
    font-size: 0.85rem;
}

/* CTA */
.page-supporting-files .sft-card-cta {
    margin-top: auto;
    align-self: stretch;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    padding: 0.7rem 1.05rem;
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--sft-ink) !important;
    background: linear-gradient(180deg, #fff, #f7f9fc);
    border: 1px solid rgba(var(--sft-accent-rgb), 0.25);
    border-radius: 12px;
    text-decoration: none !important;
    transition:
        background 0.25s ease,
        color 0.2s ease,
        transform 0.2s ease,
        border-color 0.25s ease,
        box-shadow 0.3s ease;
}

.page-supporting-files .sft-card-cta i {
    font-size: 0.9rem;
}

.page-supporting-files .sft-card-cta-arrow {
    color: var(--sft-accent);
    transition: transform 0.2s ease, color 0.2s ease;
}

.page-supporting-files .sft-card-cta:hover {
    background: linear-gradient(135deg, var(--sft-accent), var(--sft-accent-2));
    color: #fff !important;
    border-color: transparent;
    box-shadow: 0 12px 24px rgba(var(--sft-accent-rgb), 0.38);
    transform: translateY(-1px);
}

.page-supporting-files .sft-card-cta:hover .sft-card-cta-arrow {
    color: #fff;
    transform: translateX(4px);
}

/* Empty state */
.page-supporting-files .sft-empty {
    margin-top: 1rem;
    text-align: center;
    padding: 2.4rem 1.5rem;
    background: #fff;
    border: 1px dashed rgba(var(--sft-accent-rgb), 0.35);
    border-radius: var(--sft-radius-md);
    color: var(--sft-muted);
}

.page-supporting-files .sft-empty i {
    color: var(--sft-accent);
    font-size: 2.2rem;
    margin-bottom: 0.6rem;
    display: block;
}

.page-supporting-files .sft-empty strong {
    display: block;
    color: var(--sft-ink);
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

.page-supporting-files .sft-empty small {
    font-size: 0.88rem;
}

/* Help / contact strip */
.page-supporting-files .sft-help {
    margin-top: 2rem;
    padding: 1.1rem 1.4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    background: linear-gradient(135deg, #ffffff 0%, #fff5f6 100%);
    border: 1px solid rgba(var(--sft-accent-rgb), 0.18);
    border-left: 4px solid var(--sft-accent);
    border-radius: var(--sft-radius-md);
    box-shadow: var(--sft-elev-1);
}

.page-supporting-files .sft-help-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sft-accent), var(--sft-accent-2));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    box-shadow: 0 6px 18px rgba(var(--sft-accent-rgb), 0.35);
    flex-shrink: 0;
}

.page-supporting-files .sft-help-text {
    flex: 1 1 auto;
    min-width: 220px;
}

.page-supporting-files .sft-help-text strong {
    display: block;
    color: var(--sft-ink);
    font-size: 1rem;
}

.page-supporting-files .sft-help-text small {
    color: var(--sft-muted);
    font-size: 0.88rem;
}

.page-supporting-files .sft-help-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1.05rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none !important;
    background: linear-gradient(135deg, var(--sft-accent), var(--sft-accent-2));
    color: #fff !important;
    box-shadow: 0 8px 20px rgba(var(--sft-accent-rgb), 0.38);
    transition: transform 0.2s ease, box-shadow 0.3s ease, filter 0.2s ease;
}

.page-supporting-files .sft-help-cta:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
    box-shadow: 0 12px 28px rgba(var(--sft-accent-rgb), 0.50);
}

@media (prefers-reduced-motion: reduce) {
    .page-supporting-files .sft-shape,
    .page-supporting-files .sft-card,
    .page-supporting-files .sft-card-icon,
    .page-supporting-files .sft-card-cta,
    .page-supporting-files .sft-help-cta {
        animation: none !important;
        transition: none;
    }

    .page-supporting-files .sft-grid .sft-card:nth-child(n) {
        animation-delay: 0s;
    }
}