/* ═══════════════════════════════════════════════════════
   DRUMSET ACADEMY — "Studio Session" Theme
   Dark + Lime Green (#bae310) accent
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ---------- CSS Variables ---------- */
:root {
    --da-lime: #bae310;
    --da-lime-dark: #9abf0d;
    --da-lime-glow: rgba(186, 227, 16, 0.15);
    --da-lime-glow-strong: rgba(186, 227, 16, 0.3);
    --da-black: #0a0a0a;
    --da-bg: #111111;
    --da-surface: #1a1a1a;
    --da-surface-2: #222222;
    --da-surface-3: #2a2a2a;
    --da-border: #333333;
    --da-text: #f0f0f0;
    --da-text-muted: #888888;
    --da-text-dim: #666666;
    --da-danger: #e74c3c;
    --da-success: #2ecc71;
    --da-font-display: 'Bebas Neue', 'Impact', sans-serif;
    --da-font-body: 'DM Sans', 'Segoe UI', sans-serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--da-font-body);
    background-color: var(--da-bg);
    color: var(--da-text);
    padding-top: 80px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

/* Subtle noise grain overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { flex: 1; }

a { color: var(--da-lime); transition: all 0.2s ease; }
a:hover { color: #d4ff1a; }

::selection {
    background: var(--da-lime);
    color: var(--da-black);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--da-font-display);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.section-title {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--da-lime);
}

/* ---------- Navbar ---------- */
.navbar-da {
    background: var(--da-black);
    border-bottom: 1px solid var(--da-border);
    padding: 0.6rem 0;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.navbar-da .navbar-brand {
    display: flex;
    align-items: center;
    gap: 0;
}

.navbar-da .navbar-brand img {
    height: 48px;
    width: auto;
    filter: brightness(1.1);
    transition: filter 0.3s ease;
}

.navbar-da .navbar-brand:hover img {
    filter: brightness(1.3);
}

.navbar-da .nav-link {
    font-family: var(--da-font-display);
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--da-text-muted) !important;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: color 0.3s ease;
}

.navbar-da .nav-link:hover,
.navbar-da .nav-link.active {
    color: var(--da-lime) !important;
}

.navbar-da .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--da-lime);
    transition: width 0.3s ease;
}

.navbar-da .nav-link:hover::after {
    width: 70%;
}

/* ---------- Buttons ---------- */
.btn-lime {
    background: var(--da-lime);
    color: var(--da-black);
    font-family: var(--da-font-display);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-lime:hover {
    background: #d4ff1a;
    color: var(--da-black);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--da-lime-glow-strong);
}

.btn-lime-outline {
    background: transparent;
    color: var(--da-lime);
    border: 2px solid var(--da-lime);
    font-family: var(--da-font-display);
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.6rem 1.5rem;
    border-radius: 0;
    transition: all 0.3s ease;
}

.btn-lime-outline:hover {
    background: var(--da-lime);
    color: var(--da-black);
    box-shadow: 0 4px 20px var(--da-lime-glow);
}

.btn-dark-custom {
    background: var(--da-surface-2);
    color: var(--da-text);
    border: 1px solid var(--da-border);
    transition: all 0.3s ease;
}

.btn-dark-custom:hover {
    background: var(--da-surface-3);
    color: var(--da-lime);
    border-color: var(--da-lime);
}

/* ---------- Hero Section ---------- */
.hero-section {
    background: var(--da-black);
    position: relative;
    padding: 6rem 0 5rem;
    overflow: hidden;
    border-bottom: 3px solid var(--da-lime);
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, var(--da-lime-glow) 0%, transparent 60%),
        radial-gradient(circle at 20% 80%, rgba(186, 227, 16, 0.05) 0%, transparent 50%);
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(90deg, transparent, transparent 100px, rgba(186, 227, 16, 0.02) 100px, rgba(186, 227, 16, 0.02) 101px);
    pointer-events: none;
}

.hero-title {
    font-family: var(--da-font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 0.95;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.hero-title .accent {
    color: var(--da-lime);
    text-shadow: 0 0 40px var(--da-lime-glow-strong);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--da-text-muted);
    font-weight: 300;
    max-width: 500px;
    position: relative;
    z-index: 1;
}

.hero-logo {
    height: 80px;
    width: auto;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 30px var(--da-lime-glow));
}

/* ---------- Cards ---------- */
.card-da {
    background: var(--da-surface);
    border: 1px solid var(--da-border);
    border-radius: 2px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.card-da::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--da-lime);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 2;
}

.card-da:hover {
    border-color: var(--da-lime);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--da-lime-glow);
}

.card-da:hover::before {
    transform: scaleX(1);
}

.card-da .card-img-top {
    height: 220px;
    object-fit: cover;
    filter: brightness(0.9);
    transition: filter 0.4s ease;
}

.card-da:hover .card-img-top {
    filter: brightness(1.1);
}

.card-da .card-body {
    padding: 1.25rem;
}

.card-da .card-title {
    font-family: var(--da-font-display);
    font-size: 1.3rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.card-da .card-text {
    color: var(--da-text-muted);
    font-size: 0.9rem;
}

.card-da a {
    text-decoration: none;
    color: inherit;
}

/* ---------- Level Badge ---------- */
.badge-level {
    background: var(--da-lime);
    color: var(--da-black);
    font-family: var(--da-font-display);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    border-radius: 0;
    font-weight: 400;
}

/* ---------- Nav Pills (Levels) ---------- */
.nav-levels .nav-link {
    font-family: var(--da-font-display);
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--da-text-muted);
    background: var(--da-surface);
    border: 1px solid var(--da-border);
    border-radius: 0;
    padding: 0.6rem 1.5rem;
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.nav-levels .nav-link:hover {
    color: var(--da-lime);
    border-color: var(--da-lime);
}

.nav-levels .nav-link.active {
    background: var(--da-lime);
    color: var(--da-black);
    border-color: var(--da-lime);
}

/* ---------- Video Player ---------- */
.video-wrapper {
    background: var(--da-black);
    border: 1px solid var(--da-border);
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    position: relative;
}

.video-wrapper::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--da-lime);
    z-index: 2;
}

.video-wrapper video {
    display: block;
    width: 100%;
}

/* ---------- Accordion (FAQ) ---------- */
.accordion-da .accordion-item {
    background: var(--da-surface);
    border: 1px solid var(--da-border);
    border-radius: 0 !important;
    margin-bottom: 0.5rem;
}

.accordion-da .accordion-button {
    background: var(--da-surface);
    color: var(--da-text);
    font-family: var(--da-font-display);
    font-size: 1.1rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 1.1rem 1.25rem;
}

.accordion-da .accordion-button:not(.collapsed) {
    background: var(--da-surface-2);
    color: var(--da-lime);
    border-bottom: 2px solid var(--da-lime);
}

.accordion-da .accordion-button::after {
    filter: invert(1) brightness(0.6);
}

.accordion-da .accordion-button:not(.collapsed)::after {
    filter: invert(0.6) sepia(1) saturate(10) hue-rotate(30deg);
}

.accordion-da .accordion-body {
    background: var(--da-surface-2);
    color: var(--da-text-muted);
    border-top: none;
}

/* ---------- Auth Cards ---------- */
.auth-card {
    background: var(--da-surface);
    border: 1px solid var(--da-border);
    border-radius: 2px;
    max-width: 460px;
    margin: 3rem auto;
    overflow: hidden;
}

.auth-card .card-header {
    background: var(--da-black);
    border-bottom: 3px solid var(--da-lime);
    color: var(--da-text);
    font-family: var(--da-font-display);
    font-size: 1.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    padding: 1.5rem;
    border-radius: 0 !important;
}

/* ---------- Form Styles (Dark) ---------- */
.form-control, .form-select {
    background: var(--da-surface-2) !important;
    border: 1px solid var(--da-border) !important;
    color: var(--da-text) !important;
    border-radius: 2px !important;
    padding: 0.7rem 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--da-lime) !important;
    box-shadow: 0 0 0 3px var(--da-lime-glow) !important;
    outline: none;
}

.form-control::placeholder {
    color: var(--da-text-dim) !important;
}

.form-label {
    font-family: var(--da-font-display);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--da-text-muted);
    margin-bottom: 0.4rem;
}

.form-check-input {
    background-color: var(--da-surface-2);
    border-color: var(--da-border);
}

.form-check-input:checked {
    background-color: var(--da-lime);
    border-color: var(--da-lime);
}

/* ---------- Footer ---------- */
.footer-da {
    background: var(--da-black);
    border-top: 1px solid var(--da-border);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-da .footer-logo {
    height: 36px;
    width: auto;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-da .footer-logo:hover {
    opacity: 1;
}

.footer-da a {
    color: var(--da-text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-da a:hover {
    color: var(--da-lime);
}

.footer-da .footer-label {
    font-family: var(--da-font-display);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--da-text-dim);
    margin-bottom: 0.75rem;
}

.footer-da .copyright {
    color: var(--da-text-dim);
    font-size: 0.8rem;
    border-top: 1px solid var(--da-border);
    padding-top: 1.5rem;
    margin-top: 2rem;
}

/* ---------- Subscription Cards ---------- */
.subscription-option {
    cursor: pointer;
}

.subscription-option input[type="radio"] { display: none; }

.subscription-option .sub-card {
    background: var(--da-surface);
    border: 2px solid var(--da-border);
    border-radius: 2px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.subscription-option:hover .sub-card {
    border-color: var(--da-lime);
}

.subscription-option input[type="radio"]:checked + .sub-card {
    border-color: var(--da-lime);
    box-shadow: 0 0 30px var(--da-lime-glow), inset 0 0 30px var(--da-lime-glow);
}

.subscription-option .sub-price {
    font-family: var(--da-font-display);
    font-size: 3rem;
    color: var(--da-lime);
    line-height: 1;
}

/* ---------- Tables (Admin) ---------- */
.table-dark-custom {
    --bs-table-bg: var(--da-surface);
    --bs-table-border-color: var(--da-border);
    --bs-table-color: var(--da-text);
    --bs-table-striped-bg: var(--da-surface-2);
    --bs-table-hover-bg: var(--da-surface-3);
}

/* ---------- Alert Overrides ---------- */
.alert-success {
    background: rgba(186, 227, 16, 0.1);
    border-color: var(--da-lime);
    color: var(--da-lime);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    border-color: var(--da-danger);
    color: var(--da-danger);
}

.alert-info {
    background: var(--da-surface-2);
    border-color: var(--da-border);
    color: var(--da-text-muted);
}

/* ---------- Flash Messages ---------- */
.flash-container {
    position: fixed;
    top: 86px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1050;
    width: 100%;
    max-width: 600px;
}

/* ---------- List Group Dark ---------- */
.list-group-dark .list-group-item {
    background: var(--da-surface);
    border-color: var(--da-border);
    color: var(--da-text);
    transition: all 0.2s ease;
}

.list-group-dark .list-group-item:hover {
    background: var(--da-surface-2);
    color: var(--da-lime);
}

/* ---------- Company Cards ---------- */
.company-card {
    background: var(--da-surface) !important;
    border: 1px solid var(--da-border) !important;
}

.company-card img {
    max-height: 120px;
    object-fit: contain;
    padding: 1.5rem;
    filter: brightness(0.9) grayscale(0.3);
    transition: all 0.3s ease;
}

.company-card:hover img {
    filter: brightness(1.1) grayscale(0);
}

/* ---------- Divider ---------- */
.da-divider {
    width: 60px;
    height: 3px;
    background: var(--da-lime);
    margin: 1rem 0;
}

/* ---------- Page Container ---------- */
.page-section {
    padding: 4rem 0;
}

/* ---------- Animations ---------- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-up {
    animation: fadeUp 0.6s ease forwards;
}

.fade-up-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-up-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-up-delay-3 { animation-delay: 0.3s; opacity: 0; }
.fade-up-delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--da-bg); }
::-webkit-scrollbar-thumb { background: var(--da-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--da-lime); }

/* ---------- Bootstrap Overrides ---------- */
.btn-primary {
    background: var(--da-lime) !important;
    border-color: var(--da-lime) !important;
    color: var(--da-black) !important;
    font-weight: 600;
}
.btn-primary:hover {
    background: #d4ff1a !important;
    border-color: #d4ff1a !important;
    box-shadow: 0 4px 20px var(--da-lime-glow);
}

.btn-outline-primary {
    color: var(--da-lime) !important;
    border-color: var(--da-lime) !important;
}
.btn-outline-primary:hover {
    background: var(--da-lime) !important;
    color: var(--da-black) !important;
}

.btn-outline-light {
    border-color: var(--da-border) !important;
    color: var(--da-text-muted) !important;
}
.btn-outline-light:hover {
    border-color: var(--da-lime) !important;
    color: var(--da-lime) !important;
    background: transparent !important;
}

.badge.bg-primary { background: var(--da-lime) !important; color: var(--da-black) !important; }
.badge.bg-success { background: var(--da-success) !important; }

.text-muted { color: var(--da-text-muted) !important; }
.text-primary { color: var(--da-lime) !important; }

.breadcrumb { background: none; }
.breadcrumb-item a { color: var(--da-lime); }
.breadcrumb-item.active { color: var(--da-text-muted); }
.breadcrumb-item + .breadcrumb-item::before { color: var(--da-text-dim); }

.card { background: var(--da-surface); border-color: var(--da-border); border-radius: 2px; }
.card-header { background: var(--da-surface-2); border-color: var(--da-border); }

.pagination .page-link {
    background: var(--da-surface);
    border-color: var(--da-border);
    color: var(--da-text-muted);
}
.pagination .page-item.active .page-link {
    background: var(--da-lime);
    border-color: var(--da-lime);
    color: var(--da-black);
}

/* ---------- Plyr Dark Theme ---------- */
.plyr {
    --plyr-color-main: var(--da-lime);
    --plyr-video-background: var(--da-black);
    --plyr-menu-background: var(--da-surface-2);
    --plyr-menu-color: var(--da-text);
    --plyr-menu-border-color: var(--da-border);
    --plyr-badge-background: var(--da-lime);
    --plyr-badge-text-color: var(--da-black);
    --plyr-tooltip-background: var(--da-surface-2);
    --plyr-tooltip-color: var(--da-text);
    --plyr-font-family: var(--da-font-body);
    border-radius: 0;
}

.plyr__control--overlaid {
    background: var(--da-lime) !important;
    color: var(--da-black) !important;
    opacity: 0.9;
    padding: 1.5rem !important;
}

.plyr__control--overlaid:hover {
    opacity: 1;
    transform: scale(1.1);
}

.plyr--full-ui input[type=range] {
    color: var(--da-lime);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .hero-title { font-size: 3rem; }
    .hero-subtitle { font-size: 1rem; }
    .section-title { font-size: 2rem; }
    .nav-levels .nav-link { padding: 0.4rem 1rem; font-size: 0.85rem; }
}