/* ================================================================
   non_teaching_staff.css  —  LNMS College Non-Teaching Staff Page
   Design system: same tokens, fonts & patterns as home.css
   Sections:
     1. Mini Hero  (identical structure to principals_list)
     2. AOS Scroll Reveal
     3. Content Area Shell
     4. Section Title
     5. Stats Bar
     6. Staff Cards Grid
     7. Responsive
   ================================================================ */

/* ── Font import ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Noto+Sans+Devanagari:wght@300;400;500;600;700;800&family=Playfair+Display:wght@700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── Design token mirror (from home.css) ─────────────────────── */
:root {
    --blue:        #1E3A8A;
    --blue-dark:   #162d6e;
    --blue-mid:    #2a4fa8;
    --blue-light:  #dbeafe;
    --green:       #22C55E;
    --green-dark:  #16a34a;
    --green-light: #dcfce7;
    --bg:          #F8FAFC;
    --card:        #ffffff;
    --text:        #0F172A;
    --text-muted:  #475569;
    --border:      #e2e8f0;
    --shadow-sm:   0 2px 10px rgba(15,23,42,.08);
    --shadow-md:   0 6px 24px rgba(15,23,42,.12);
    --shadow-lg:   0 16px 48px rgba(15,23,42,.18);
    --shadow-blue: 0 8px 28px rgba(30,58,138,.28);
    --shadow-grn:  0 8px 28px rgba(22,163,74,.25);
    --r-sm:        8px;
    --r-md:        14px;
    --r-lg:        20px;
    --r-xl:        28px;
    --r-pill:      50px;
    --t:           0.3s ease;
    --font:        'Poppins','Noto Sans Devanagari',sans-serif;
}


/* ================================================================
   1. MINI HERO  (identical structure to principals_list)
   ================================================================ */
.nts-mini-hero {
    position: relative;
    width: 100%;
    height: 320px;
    min-height: 260px;
    overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1E3A8A 55%, #2a4fa8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'DM Sans', sans-serif;
}

/* Noise overlay */
.nts-mini-hero__overlay {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.22;
    pointer-events: none;
    z-index: 1;
}

/* Decorative rings */
.nts-mini-hero__ring {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
}
.nts-mini-hero__ring--lg {
    top: -90px;
    right: -90px;
    width: 340px;
    height: 340px;
    border: 64px solid rgba(30,58,138,.22);
}
.nts-mini-hero__ring--sm {
    bottom: -55px;
    left: -55px;
    width: 210px;
    height: 210px;
    border: 42px solid rgba(34,197,94,.10);
}

/* Animated grid */
.nts-mini-hero__grid {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 48px 48px;
    animation: ntsGridDrift 18s linear infinite;
}
@keyframes ntsGridDrift {
    from { background-position: 0 0; }
    to   { background-position: 48px 48px; }
}

/* Content block */
.nts-mini-hero__body {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Breadcrumb */
.nts-mini-hero__breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    opacity: 0;
    transform: translateY(12px);
    animation: ntsFadeUp 0.6s cubic-bezier(0.22,1,0.36,1) 0.1s forwards;
}
.nts-mini-hero__bc-link {
    font-size: .78rem;
    font-weight: 500;
    color: rgba(255,255,255,.55);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color .2s ease;
}
.nts-mini-hero__bc-link:hover { color: var(--green); text-decoration: none; }
.nts-mini-hero__bc-sep     { color: rgba(255,255,255,.25); font-size: .78rem; }
.nts-mini-hero__bc-current { font-size: .78rem; font-weight: 600; color: rgba(255,255,255,.80); }

/* Eyebrow badge */
.nts-mini-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(34,197,94,.15);
    border: 1px solid rgba(34,197,94,.45);
    color: var(--green);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    padding: 5px 18px;
    border-radius: var(--r-pill);
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(14px);
    animation: ntsFadeUp 0.65s cubic-bezier(0.22,1,0.36,1) 0.25s forwards;
}
.nts-mini-hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    animation: ntsPulse 2s ease-in-out infinite;
}

/* Heading */
.nts-mini-hero__heading {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.12;
    letter-spacing: -.02em;
    margin: 0 0 12px;
    opacity: 0;
    transform: translateY(20px);
    animation: ntsFadeUp 0.7s cubic-bezier(0.22,1,0.36,1) 0.42s forwards;
}
.nts-mini-hero__heading em {
    font-style: normal;
    color: var(--green);
    position: relative;
}
.nts-mini-hero__heading em::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 100%;
    height: 3px;
    background: var(--green);
    border-radius: 2px;
    transform-origin: left;
    transform: scaleX(0);
    animation: ntsUnderline 0.55s cubic-bezier(0.22,1,0.36,1) 1.1s forwards;
}

/* Sub text */
.nts-mini-hero__sub {
    color: rgba(255,255,255,.62);
    font-size: clamp(.85rem, 1.6vw, 1rem);
    font-weight: 300;
    max-width: 500px;
    line-height: 1.65;
    margin: 0;
    opacity: 0;
    transform: translateY(16px);
    animation: ntsFadeUp 0.7s cubic-bezier(0.22,1,0.36,1) 0.58s forwards;
}

/* Keyframes */
@keyframes ntsFadeUp    { to { opacity: 1; transform: translateY(0); } }
@keyframes ntsUnderline { to { transform: scaleX(1); } }
@keyframes ntsPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: .5; transform: scale(.8); }
}

/* Mini hero responsive */
@media (max-width: 768px) {
    .nts-mini-hero { height: 260px; min-height: 220px; }
    .nts-mini-hero__ring--lg {
        width: 200px; height: 200px;
        border-width: 40px;
        top: -60px; right: -60px;
    }
}
@media (max-width: 480px) {
    .nts-mini-hero { height: 230px; }
    .nts-mini-hero__sub { display: none; }
}


/* ================================================================
   2. AOS SCROLL REVEAL
   ================================================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1),
                transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}


/* ================================================================
   3. CONTENT AREA SHELL
   ================================================================ */
.nts-area {
    background: var(--bg);
    padding: 90px 0 100px;
    position: relative;
    overflow: hidden;
}

/* Dot-grid texture */
.nts-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(30,58,138,.05) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
    z-index: 0;
}

.nts-area .container {
    position: relative;
    z-index: 1;
}


/* ================================================================
   4. SECTION TITLE
   ================================================================ */
.nts-section-title {
    text-align: center;
    margin-bottom: 40px;
}

.nts-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--green);
    background: var(--green-light);
    padding: 5px 14px;
    border-radius: var(--r-pill);
    margin-bottom: 14px;
}

.nts-section-heading {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(1.75rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    letter-spacing: -.02em;
    margin: 0 0 14px;
}

.nts-section-sub {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(.92rem, 1.6vw, 1.05rem);
    font-weight: 400;
    color: var(--text-muted);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.7;
}


/* ================================================================
   5. STATS BAR
   ================================================================ */
.nts-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 16px 32px;
    margin-bottom: 56px;
    box-shadow: var(--shadow-sm);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 56px;
    flex-wrap: wrap;
    gap: 8px 0;
}

.nts-stat {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 28px;
    font-family: var(--font);
}

.nts-stat i {
    color: var(--blue);
    font-size: 1rem;
    flex-shrink: 0;
}

.nts-stat__label {
    font-size: .85rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}

.nts-stat__divider {
    width: 1px;
    height: 32px;
    background: var(--border);
    flex-shrink: 0;
}


/* ================================================================
   6. STAFF CARDS GRID
   ================================================================ */
.nts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

/* ── Single staff card ───────────────────────────────────────── */
.nts-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--t), border-color var(--t), transform var(--t);
    position: relative;
}

.nts-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--blue-light);
    transform: translateY(-6px);
}

/* ── Top colour bar ─────────────────────────────────────────── */
.nts-card__bar {
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--blue) 0%, var(--green) 100%);
    flex-shrink: 0;
    transform-origin: left;
    transform: scaleX(0.3);
    transition: transform 0.45s cubic-bezier(0.22,1,0.36,1);
}
.nts-card:hover .nts-card__bar { transform: scaleX(1); }

/* Even cards: reverse gradient */
.nts-card:nth-child(even) .nts-card__bar {
    background: linear-gradient(90deg, var(--green) 0%, var(--blue) 100%);
}

/* ── Avatar wrap (holds circle + serial badge) ──────────────── */
.nts-card__avatar-wrap {
    position: relative;
    margin: 24px 0 16px;
}

/* Avatar circle */
.nts-card__avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--blue-light);
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    border: 3px solid var(--card);
    box-shadow: 0 0 0 2px var(--blue-light);
    transition: background var(--t), color var(--t), box-shadow var(--t);
}
.nts-card:hover .nts-card__avatar {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(30,58,138,.25), var(--shadow-blue);
}

/* Even cards: green tint */
.nts-card:nth-child(even) .nts-card__avatar {
    background: var(--green-light);
    color: var(--green-dark);
    box-shadow: 0 0 0 2px var(--green-light);
}
.nts-card:nth-child(even):hover .nts-card__avatar {
    background: var(--green-dark);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(22,163,74,.25), var(--shadow-grn);
}

/* Serial number badge (bottom-right of avatar) */
.nts-card__serial {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    font-family: 'Playfair Display', serif;
    font-size: .65rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--card);
    line-height: 1;
    transition: background var(--t);
}
.nts-card:nth-child(even) .nts-card__serial { background: var(--green-dark); }

/* ── Info block ─────────────────────────────────────────────── */
.nts-card__info {
    flex: 1;
    width: 100%;
    padding: 0 18px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.nts-card__name {
    font-family: var(--font);
    font-size: .98rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    line-height: 1.35;
    transition: color var(--t);
}
.nts-card:hover .nts-card__name        { color: var(--blue); }
.nts-card:nth-child(even):hover .nts-card__name { color: var(--green-dark); }

.nts-card__designation {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: 'DM Sans', sans-serif;
    font-size: .75rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: .04em;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.4;
}

.nts-card__designation i {
    font-size: .65rem;
    color: var(--blue-light);
    transition: color var(--t);
}
.nts-card:hover .nts-card__designation i { color: var(--green); }

/* ── Card footer ────────────────────────────────────────────── */
.nts-card__footer {
    width: 100%;
    border-top: 1px solid var(--border);
    padding: 10px 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--t), background var(--t);
}
.nts-card:hover .nts-card__footer {
    background: var(--blue-light);
    border-color: transparent;
}
.nts-card:nth-child(even):hover .nts-card__footer {
    background: var(--green-light);
}

.nts-card__dept {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'DM Sans', sans-serif;
    font-size: .72rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: .04em;
    transition: color var(--t);
}
.nts-card__dept i { color: var(--border); font-size: .7rem; transition: color var(--t); }
.nts-card:hover .nts-card__dept   { color: var(--blue); }
.nts-card:hover .nts-card__dept i { color: var(--blue); }
.nts-card:nth-child(even):hover .nts-card__dept   { color: var(--green-dark); }
.nts-card:nth-child(even):hover .nts-card__dept i { color: var(--green-dark); }


/* ================================================================
   7. RESPONSIVE
   ================================================================ */
@media (max-width: 1199px) {
    .nts-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 991px) {
    .nts-area { padding: 64px 0 72px; }
    .nts-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .nts-stats { padding: 14px 20px; }
    .nts-stat  { padding: 0 18px; }
}

@media (max-width: 767px) {
    .nts-area  { padding: 50px 0 60px; }
    .nts-grid  { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .nts-section-title { margin-bottom: 28px; }
    .nts-stat__divider { display: none; }
    .nts-stats {
        flex-direction: column;
        gap: 10px;
        padding: 18px 20px;
    }
    .nts-stat { padding: 0 8px; }
}

@media (max-width: 480px) {
    .nts-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .nts-card__avatar { width: 58px; height: 58px; font-size: 1.4rem; }
    .nts-card__name   { font-size: .88rem; }
    .nts-card__info   { padding: 0 12px 12px; }
    .nts-card__footer { padding: 8px 12px; }
}

@media (max-width: 360px) {
    .nts-grid { grid-template-columns: 1fr; }
}