/* ============================================================
   Database / Trainings - Modern & Animated
   ============================================================ */

:root {
    --dbt-green-1: #16a34a;
    --dbt-green-2: #65a30d;
    --dbt-emerald: #059669;
    --dbt-teal: #14b8a6;
    --dbt-blue: #2563eb;
    --dbt-cyan: #06b6d4;
    --dbt-amber: #f59e0b;
    --dbt-violet: #8b5cf6;
    --dbt-pink: #ec4899;
    --dbt-ink: #0f172a;
    --dbt-muted: #64748b;
    --dbt-border: rgba(15, 23, 42, 0.08);
    --dbt-shadow: 0 14px 40px -22px rgba(15, 23, 42, 0.35);
}

[data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
    will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   HERO
   ============================================================ */
.dbt-hero {
    position: relative;
    overflow: hidden;
    padding: 4rem 0 6rem;
    color: #fff;
    background: linear-gradient(135deg, #022c22 0%, #064e3b 45%, #0c4a6e 100%);
    isolation: isolate;
}
.dbt-hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}
.dbt-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .55;
    animation: dbtBlob 18s ease-in-out infinite;
}
.dbt-blob--1 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--dbt-emerald), transparent 70%);
    top: -130px; left: -100px;
}
.dbt-blob--2 {
    width: 480px; height: 480px;
    background: radial-gradient(circle, var(--dbt-teal), transparent 70%);
    bottom: -200px; right: -130px;
    animation-delay: -5s;
}
.dbt-blob--3 {
    width: 320px; height: 320px;
    background: radial-gradient(circle, #84cc16, transparent 70%);
    top: 25%; left: 50%;
    animation-delay: -10s;
}
@keyframes dbtBlob {
    0%, 100% { transform: translate(0,0) scale(1); }
    33% { transform: translate(45px, -35px) scale(1.08); }
    66% { transform: translate(-35px, 30px) scale(.94); }
}

.dbt-gridbg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(circle at 50% 40%, #000 30%, transparent 75%);
}
.dbt-float {
    position: absolute;
    color: rgba(255,255,255,.22);
    font-size: 1.6rem;
    animation: dbtFloat 12s ease-in-out infinite;
}
.dbt-float--1 { top: 22%; left: 10%; font-size: 1.9rem; }
.dbt-float--2 { top: 32%; right: 14%; animation-delay: -3s; }
.dbt-float--3 { top: 60%; left: 18%; animation-delay: -6s; font-size: 1.7rem; }
.dbt-float--4 { top: 70%; right: 22%; animation-delay: -9s; }
@keyframes dbtFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: .22; }
    50%      { transform: translateY(-14px) rotate(10deg); opacity: .42; }
}

.dbt-hero__inner {
    max-width: 880px;
    margin: 0 auto;
    text-align: center;
}
.dbt-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .85rem;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    color: #fff;
    backdrop-filter: blur(8px);
    margin-bottom: 1.25rem;
    animation: dbtChipIn .6s both;
}
.dbt-title {
    font-size: clamp(2.1rem, 4.8vw, 3.5rem);
    font-weight: 800;
    line-height: 1.08;
    margin: 0 0 1rem;
    color: #fff;
}
.dbt-title__text {
    background: linear-gradient(135deg, #fff 30%, rgba(255,255,255,.75));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.dbt-title__accent {
    background: linear-gradient(135deg, #84cc16, #14b8a6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.dbt-title__underline {
    display: block;
    width: 110px;
    height: 4px;
    margin: 1rem auto 0;
    border-radius: 999px;
    background: linear-gradient(90deg, #84cc16, #14b8a6, #16a34a);
    transform-origin: center;
    animation: dbtLine 1.2s ease forwards;
}
@keyframes dbtLine { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.dbt-tagline {
    max-width: 64ch;
    margin: 0 auto 2rem;
    color: rgba(255,255,255,.82);
    font-size: 1.05rem;
    line-height: 1.6;
}
.dbt-hero__stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .75rem;
}
.dbt-mini {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    padding: .65rem 1rem;
    border-radius: 14px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    backdrop-filter: blur(10px);
    color: #fff;
    min-width: 175px;
}
.dbt-mini__icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #16a34a, #65a30d);
    color: #fff;
    font-size: .98rem;
    box-shadow: 0 8px 18px -10px rgba(22,163,74,.55);
}
.dbt-mini__icon--green  { background: linear-gradient(135deg, #059669, #14b8a6); box-shadow: 0 8px 18px -10px rgba(5,150,105,.55); }
.dbt-mini__icon--amber  { background: linear-gradient(135deg, #84cc16, #65a30d); box-shadow: 0 8px 18px -10px rgba(132,204,22,.55); }
.dbt-mini__icon--violet { background: linear-gradient(135deg, #14b8a6, #06b6d4); box-shadow: 0 8px 18px -10px rgba(20,184,166,.55); }
.dbt-mini__value {
    font-size: 1.45rem;
    font-weight: 800;
    line-height: 1;
}
.dbt-mini__label {
    font-size: .78rem;
    color: rgba(255,255,255,.75);
    margin-top: .15rem;
}
@keyframes dbtChipIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   BODY
   ============================================================ */
.dbt-body {
    margin-top: -3rem;
    position: relative;
    z-index: 2;
    padding-bottom: 4rem;
}

/* Toolbar */
.dbt-toolbar {
    background: #fff;
    border: 1px solid var(--dbt-border);
    border-radius: 18px;
    box-shadow: var(--dbt-shadow);
    padding: 1rem 1.1rem;
    margin-bottom: 1.5rem;
}
.dbt-toolbar__row {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: .65rem;
    align-items: center;
    margin-bottom: .85rem;
}
.dbt-field {
    position: relative;
    display: flex;
    align-items: center;
}
.dbt-field > i {
    position: absolute;
    left: .9rem;
    color: var(--dbt-muted);
    pointer-events: none;
    font-size: 1rem;
    z-index: 1;
}
.dbt-field .form-control,
.dbt-field .form-select {
    border-radius: 12px;
    padding-left: 2.3rem;
    height: 44px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    transition: all .25s ease;
}
.dbt-field .form-control:focus,
.dbt-field .form-select:focus {
    background: #fff;
    border-color: rgba(22,163,74,.45);
    box-shadow: 0 0 0 4px rgba(22,163,74,.12);
}

/* Segmented */
.dbt-segmented {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    padding: .3rem;
    background: #f1f5f9;
    border-radius: 12px;
}
.dbt-segmented input { display: none; }
.dbt-segmented label {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .4rem .85rem;
    border-radius: 10px;
    font-size: .82rem;
    font-weight: 600;
    color: var(--dbt-muted);
    cursor: pointer;
    transition: all .25s ease;
}
.dbt-segmented label:hover { color: var(--dbt-ink); }
.dbt-segmented input:checked + label {
    background: #fff;
    color: var(--dbt-ink);
    box-shadow: 0 4px 14px -6px rgba(15,23,42,.25);
}
.dbt-segmented label i { font-size: .9rem; }

/* ============================================================
   CARDS
   ============================================================ */
.dbt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 1.25rem;
}
.dbt-card {
    position: relative;
    background: #fff;
    border-radius: 20px;
    border: 1px solid var(--dbt-border);
    box-shadow: var(--dbt-shadow);
    padding: 1.25rem;
    overflow: hidden;
    transition: transform .35s ease, box-shadow .35s ease;
    isolation: isolate;
    display: flex;
    flex-direction: column;
}
.dbt-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #16a34a, #14b8a6, #84cc16);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s ease;
}
.dbt-card.is-free::before        { background: linear-gradient(90deg, #16a34a, #84cc16); }
.dbt-card.is-paid::before        { background: linear-gradient(90deg, #059669, #14b8a6); }
.dbt-card.is-scholarship::before { background: linear-gradient(90deg, #84cc16, #16a34a); }
.dbt-card.is-subsidized::before  { background: linear-gradient(90deg, #14b8a6, #06b6d4); }

.dbt-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 28px 55px -22px rgba(15,23,42,.45);
}
.dbt-card:hover::before { transform: scaleX(1); }

.dbt-card__glow {
    position: absolute;
    top: -40%; right: -30%;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20,184,166,.2), transparent 70%);
    opacity: 0;
    transition: opacity .4s ease;
    z-index: -1;
    pointer-events: none;
}
.dbt-card.is-free .dbt-card__glow { background: radial-gradient(circle, rgba(22,163,74,.22), transparent 70%); }
.dbt-card.is-scholarship .dbt-card__glow { background: radial-gradient(circle, rgba(132,204,22,.22), transparent 70%); }
.dbt-card:hover .dbt-card__glow { opacity: 1; }

.dbt-card__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .5rem;
    margin-bottom: .65rem;
    flex-wrap: wrap;
}
.dbt-card__cost {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .3rem .7rem;
    border-radius: 999px;
    font-size: .76rem;
    font-weight: 700;
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.dbt-card.is-free .dbt-card__cost        { background: #dcfce7; color: #14532d; border-color: #86efac; }
.dbt-card.is-scholarship .dbt-card__cost { background: #f7fee7; color: #3f6212; border-color: #bef264; }
.dbt-card.is-subsidized .dbt-card__cost  { background: #ccfbf1; color: #115e59; border-color: #5eead4; }
.dbt-card__cert {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .25rem .55rem;
    border-radius: 8px;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
    font-size: .72rem;
    font-weight: 700;
    border: 1px solid #fcd34d;
    animation: dbtBadgePulse 3s ease-in-out infinite;
}
@keyframes dbtBadgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(252,211,77,.55); }
    50%      { box-shadow: 0 0 0 6px rgba(252,211,77,0); }
}

.dbt-card__title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--dbt-ink);
    margin: 0 0 .35rem;
    line-height: 1.3;
}
.dbt-card__provider {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: var(--dbt-muted);
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: .65rem;
}
.dbt-card__provider i { color: #16a34a; }
.dbt-card__desc {
    color: #475569;
    font-size: .9rem;
    line-height: 1.55;
    margin: 0 0 .85rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.dbt-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    margin-bottom: 1rem;
}
.dbt-tag {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .3rem .6rem;
    border-radius: 8px;
    background: #f1f5f9;
    color: #475569;
    font-size: .76rem;
    font-weight: 600;
    border: 1px solid #e2e8f0;
}
.dbt-tag i { color: var(--dbt-teal); }
.dbt-tag--cat { background: #ecfdf5; color: #047857; border-color: #a7f3d0; }
.dbt-tag--cat i { color: #16a34a; }

.dbt-card__foot {
    display: flex;
    justify-content: flex-end;
}

/* Buttons */
.dbt-btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .55rem .95rem;
    border-radius: 11px;
    font-weight: 600;
    font-size: .88rem;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all .25s ease;
    cursor: pointer;
}
.dbt-btn--primary {
    background: linear-gradient(135deg, #16a34a, #15803d);
    color: #fff;
    box-shadow: 0 10px 22px -12px rgba(22,163,74,.6);
}
.dbt-card.is-free .dbt-btn--primary        { background: linear-gradient(135deg, #16a34a, #65a30d); box-shadow: 0 10px 22px -12px rgba(22,163,74,.6); }
.dbt-card.is-scholarship .dbt-btn--primary { background: linear-gradient(135deg, #84cc16, #16a34a); box-shadow: 0 10px 22px -12px rgba(132,204,22,.6); }
.dbt-card.is-subsidized .dbt-btn--primary  { background: linear-gradient(135deg, #14b8a6, #06b6d4); box-shadow: 0 10px 22px -12px rgba(20,184,166,.6); }
.dbt-btn--primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 14px 28px -12px rgba(22,163,74,.75);
}
.dbt-btn--primary i { transition: transform .25s ease; }
.dbt-btn--primary:hover i { transform: translate(2px, -2px); }
.dbt-btn--ghost {
    background: #fff;
    color: var(--dbt-green-1);
    border-color: rgba(22,163,74,.3);
}
.dbt-btn--ghost:hover { background: rgba(22,163,74,.06); transform: translateY(-2px); }
.dbt-btn--disabled {
    background: #f1f5f9;
    color: #94a3b8;
    cursor: default;
}

/* Empty */
.dbt-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    background: #fff;
    border-radius: 18px;
    border: 1px dashed var(--dbt-border);
    box-shadow: var(--dbt-shadow);
}
.dbt-empty__icon {
    display: inline-flex;
    width: 64px; height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, #ecfdf5, #f0fdfa);
    color: #16a34a;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1rem;
}
.dbt-empty h4 { font-weight: 800; color: var(--dbt-ink); margin-bottom: .25rem; }
.dbt-empty p  { color: var(--dbt-muted); margin-bottom: 1rem; }
.dbt-empty--search { margin-top: 1.5rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 767.98px) {
    .dbt-toolbar__row { grid-template-columns: 1fr; }
    .dbt-grid { grid-template-columns: 1fr; }
    .dbt-mini { min-width: 0; flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .dbt-blob, .dbt-float, .dbt-eyebrow, .dbt-card__cert {
        animation: none !important;
    }
    [data-reveal] { opacity: 1; transform: none; transition: none; }
}