/* ─── Wingsuit Academy — Premium Dark Theme ─── */
:root {
    --bg: #050810;
    --panel: rgba(17,23,38,.85);
    --panel-solid: #111726;
    --panel-soft: rgba(21,29,46,.75);
    --glass: rgba(17,23,38,.55);
    --text: #f4f7ff;
    --muted: #a9b7d2;
    --accent: #73b2ff;
    --accent-2: #85f7d6;
    --gold: #f0c850;
    --danger: #ff7d8f;
    --ok: #7bffc8;
    --border: rgba(36,49,73,.6);
    --glow: 0 0 60px rgba(115,178,255,.08);
    --radius: 20px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: Inter, system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Restore sensible spacing on text elements reset by * */
h1, h2, h3, h4 { margin-bottom: .5rem; }
p { margin-bottom: .6rem; }
p:last-child { margin-bottom: 0; }
ul, ol { margin-bottom: .6rem; padding-left: 1.3rem; }
a { color: var(--accent); }

/* subtle animated background gradient */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 70% 10%, rgba(115,178,255,.07) 0, transparent 60%),
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(133,247,214,.05) 0, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ─── Header ─── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .9rem 2rem;
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    background: rgba(5,8,16,.75);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--text);
    text-decoration: none;
    font-family: Manrope, sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: .03em;
}
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #050810;
    font-size: .9rem;
    font-weight: 900;
}

nav { display: flex; align-items: center; gap: .15rem; }
nav a {
    color: var(--muted);
    text-decoration: none;
    padding: .4rem .7rem;
    border-radius: 10px;
    font-size: .88rem;
    font-weight: 500;
    transition: all var(--transition);
}
nav a:hover { color: var(--text); background: rgba(115,178,255,.08); }
nav .btn { margin-left: .3rem; }

/* ─── Layout ─── */
.page-shell {
    position: relative;
    z-index: 1;
    width: min(1140px, 92vw);
    margin: 2.5rem auto 5rem;
    overflow: visible;
}

/* ─── Full-bleed Hero ─── */
.hero-full {
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 3rem;
}
.hero-full-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center 30%;
    filter: brightness(.55) contrast(1.1);
    transform: scale(1.02);
}
.hero-full::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5,8,16,.3) 0%, rgba(5,8,16,.85) 85%, var(--bg) 100%);
}
.hero-full-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    padding: 4rem 2rem;
}
.hero-full-content h1 {
    font-family: Manrope, sans-serif;
    font-size: clamp(2.4rem, 7vw, 4.4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: .6rem;
    background: linear-gradient(135deg, #fff 30%, var(--accent) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-full-content .kicker { margin-bottom: .4rem; }
.hero-full-content p { font-size: 1.15rem; color: var(--muted); max-width: 540px; margin: 0 auto; }

/* ─── Legacy Hero (dashboard etc.) ─── */
.hero {
    display: grid;
    grid-template-columns: 1.3fr .9fr;
    gap: 1.4rem;
    margin-bottom: 1.4rem;
}
.hero h1 {
    font-family: Manrope, sans-serif;
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin: .4rem 0;
}

.kicker {
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: .14em;
    font-size: .72rem;
    font-weight: 700;
}

/* ─── Cards — Glassmorphism ─── */
.hero-panel,
.card {
    background: var(--panel);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem;
    box-shadow: var(--glow), 0 8px 32px rgba(0,0,0,.3);
    transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow), 0 16px 48px rgba(0,0,0,.4);
}

/* Image cards for landing page */
.card-img {
    position: relative;
    overflow: hidden;
    padding: 0;
}
.card-img img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius) var(--radius) 0 0;
    display: block;
}
.card-img .card-body {
    padding: 1.2rem 1.4rem 1.4rem;
}
.card-img .card-body h3 { margin-bottom: .35rem; font-family: Manrope, sans-serif; font-weight: 700; }

/* Feature highlight strip */
.features-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    margin: 2.5rem 0;
}
.feature-item {
    text-align: center;
    padding: 2rem 1.2rem;
    border-radius: var(--radius);
    background: var(--panel);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    transition: transform var(--transition);
}
.feature-item:hover { transform: translateY(-3px); }
.feature-icon {
    font-size: 2rem;
    margin-bottom: .6rem;
    display: block;
}
.feature-item h3 {
    font-family: Manrope, sans-serif;
    font-weight: 700;
    margin-bottom: .3rem;
}
.feature-item p { color: var(--muted); font-size: .92rem; }

/* Testimonial */
.testimonial-section {
    text-align: center;
    padding: 3rem 0;
}
.testimonial-section blockquote {
    font-family: Manrope, sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    font-style: italic;
    color: var(--text);
    margin: 1rem auto;
    max-width: 600px;
    line-height: 1.4;
}
.testimonial-section cite {
    color: var(--muted);
    font-style: normal;
    font-size: .95rem;
}

/* Section headings */
.section-heading {
    text-align: center;
    margin: 3rem 0 1.5rem;
}
.section-heading h2 {
    font-family: Manrope, sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
}
.section-heading p { color: var(--muted); margin-top: .3rem; }

/* ─── Grid ─── */
.grid { display: grid; gap: 1.2rem; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.2rem; justify-content: center; }

/* ─── Buttons ─── */
.btn {
    border: 0;
    display: inline-block;
    text-decoration: none;
    cursor: pointer;
    padding: .78rem 1.3rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), #a0c4ff);
    color: #02050d;
    font-weight: 700;
    font-size: .92rem;
    transition: all var(--transition);
    box-shadow: 0 4px 16px rgba(115,178,255,.2);
}
.btn:hover {
    filter: brightness(1.08);
    box-shadow: 0 6px 24px rgba(115,178,255,.3);
    transform: translateY(-1px);
}
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: none;
}
.btn-ghost:hover { background: rgba(115,178,255,.08); border-color: var(--accent); }
.btn-small { padding: .5rem .85rem; font-size: .84rem; }
.btn-lg { padding: .9rem 2rem; font-size: 1rem; }

/* ─── Form Elements ─── */
.stack { display: grid; gap: .9rem; }
label { display: grid; gap: .35rem; font-weight: 600; color: var(--muted); font-size: .92rem; }
input {
    padding: .78rem .9rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(12,18,32,.8);
    color: var(--text);
    font-size: .95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(115,178,255,.12);
}
select {
    padding: .78rem .9rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(12,18,32,.8);
    color: var(--text);
    font-size: .95rem;
    transition: border-color var(--transition);
}
select:focus { outline: none; border-color: var(--accent); }
textarea {
    padding: .78rem .9rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(12,18,32,.8);
    color: var(--text);
    font-family: inherit;
    font-size: .95rem;
    resize: vertical;
    transition: border-color var(--transition);
}
textarea:focus { outline: none; border-color: var(--accent); }

/* ─── Tags ─── */
.tag {
    display: inline-block;
    border: 1px solid rgba(133,247,214,.25);
    border-radius: 999px;
    padding: .22rem .7rem;
    font-size: .7rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--accent-2);
    background: rgba(133,247,214,.06);
}

/* ─── Module Cards ─── */
.module-card {
    position: relative;
    overflow: hidden;
}
.module-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    opacity: 0;
    transition: opacity var(--transition);
}
.module-card:hover::before { opacity: 1; }
.module-card.locked { opacity: .55; filter: grayscale(.3); }
.module-card.locked:hover { transform: none; box-shadow: var(--glow), 0 8px 32px rgba(0,0,0,.3); }

/* ─── Quiz ─── */
.quiz-item {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem;
    background: var(--panel-soft);
    transition: border-color var(--transition);
}
.quiz-item:hover { border-color: rgba(115,178,255,.3); }
.quiz-item legend { font-weight: 600; margin-bottom: .5rem; }
.quiz-item label { font-weight: 500; color: var(--text); margin: .3rem 0; }

/* ─── Narrow ─── */
.narrow { width: min(680px, 100%); margin-inline: auto; }

/* ─── Status ─── */
.success { color: var(--ok); }
.error { color: var(--danger); }

/* ─── Certificates ─── */
.certificate {
    border-color: rgba(240,200,80,.3);
    background: linear-gradient(145deg, rgba(15,29,52,.9), rgba(29,46,78,.9));
    position: relative;
    overflow: hidden;
}
.certificate::after {
    content: '';
    position: absolute;
    top: -50%; right: -30%;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(240,200,80,.08) 0, transparent 70%);
    pointer-events: none;
}

/* ─── Footer ─── */
.site-footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--muted);
    padding: 2rem 1.2rem;
    font-size: .88rem;
}
.footer-brand {
    font-family: Manrope, sans-serif;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .3rem;
}
.footer-links { display: flex; justify-content: center; gap: 1.5rem; margin-top: .6rem; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: .84rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

/* ─── Admin tables ─── */
.admin-bar { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: .8rem; }

.admin-table-wrap { overflow-x: auto; border-radius: var(--radius); }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel-solid);
    border-radius: var(--radius);
    overflow: hidden;
}

.admin-table th,
.admin-table td {
    padding: .7rem .9rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    font-weight: 700;
    color: var(--accent-2);
    font-size: .76rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    background: rgba(0,0,0,.2);
}

.admin-table code {
    background: rgba(255,255,255,.06);
    padding: .15rem .45rem;
    border-radius: 6px;
    font-size: .82rem;
}

.admin-table .actions { white-space: nowrap; }
.admin-table .actions a,
.admin-table .actions button { margin-right: .4rem; }

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #ff9ea8);
    color: #120509;
    box-shadow: 0 4px 16px rgba(255,125,143,.15);
}

/* ─── Progress Analytics ─── */
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.stat-card {
    background: var(--panel-soft);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    text-align: center;
    transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-2px); }
.stat-value {
    font-family: Manrope, sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--muted); margin-top: .3rem; font-size: .88rem; }

.progress-bars { display: flex; flex-direction: column; gap: 1rem; }
.progress-row { display: flex; align-items: center; gap: 1rem; }
.progress-label { min-width: 180px; font-weight: 600; }
.progress-track {
    flex: 1;
    height: 8px;
    background: rgba(21,29,46,.8);
    border-radius: 6px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: 6px;
    transition: width .6s cubic-bezier(.4,0,.2,1);
}
.progress-pct { min-width: 50px; text-align: right; font-weight: 700; color: var(--accent); }

/* ─── Quiz Review ─── */
.review-list { display: grid; gap: .8rem; margin-top: 1rem; }
.review-item {
    background: var(--panel);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1.3rem;
    border-left: 4px solid var(--border);
}
.review-correct { border-left-color: var(--ok); }
.review-wrong { border-left-color: var(--danger); }
.review-q { font-weight: 600; margin-bottom: .6rem; }
.review-options { display: grid; gap: .4rem; }
.review-option {
    display: flex; align-items: center; gap: .6rem;
    padding: .5rem .8rem; border-radius: 10px;
    background: var(--panel-soft); font-size: .92rem;
    transition: background var(--transition);
}
.review-option.opt-correct { background: rgba(123,255,200,.08); color: var(--ok); }
.review-option.opt-wrong { background: rgba(255,125,143,.08); color: var(--danger); }
.opt-letter {
    display: inline-flex; align-items: center; justify-content: center;
    width: 1.6rem; height: 1.6rem; border-radius: 50%;
    background: var(--border); font-weight: 700; font-size: .76rem; flex-shrink: 0;
}
.opt-badge {
    margin-left: auto; font-size: .72rem; font-weight: 700;
    padding: .18rem .55rem; border-radius: 999px;
    background: rgba(123,255,200,.12); color: var(--ok);
}
.opt-badge-wrong { background: rgba(255,125,143,.12); color: var(--danger); }

/* ─── Profile ─── */
.profile-info { margin-bottom: 1.5rem; color: var(--muted); }

/* ─── Module Step Navigation ─── */
.step-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    margin: 1.2rem 0 .4rem;
    flex-wrap: wrap;
}
.step-dot {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--panel-soft);
    color: var(--muted);
    font-size: .78rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    position: relative;
}
.step-dot:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(115,178,255,.08);
}
.step-dot.active {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--accent), #a0c4ff);
    color: #02050d;
    box-shadow: 0 0 16px rgba(115,178,255,.3);
    transform: scale(1.15);
}
.step-dot.visited {
    border-color: var(--accent-2);
    background: rgba(133,247,214,.12);
    color: var(--accent-2);
}
.step-dot-num { pointer-events: none; }

.step-label {
    text-align: center;
    color: var(--muted);
    font-size: .88rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: .04em;
}

.step-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.2rem;
    gap: 1rem;
}
.step-nav .btn { min-width: 140px; text-align: center; }

.module-step {
    animation: stepFadeIn .35s ease both;
}

.lesson-images {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .9rem;
    margin-bottom: 1rem;
}

.lesson-image-card {
    margin: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    background: var(--panel-soft);
}

.lesson-image-card img {
    width: 100%;
    height: 210px;
    object-fit: cover;
    display: block;
}

.lesson-image-card figcaption {
    padding: .5rem .7rem;
    color: var(--muted);
    font-size: .78rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    font-weight: 700;
}

.lesson-admin-cell {
    display: grid;
    gap: .55rem;
    min-width: 260px;
}

.lesson-admin-preview {
    width: 100%;
    height: 120px;
    border-radius: 10px;
    object-fit: cover;
    border: 1px solid var(--border);
    background: rgba(0,0,0,.2);
}
@keyframes stepFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Auth Split Layout (login/register) ─── */
.auth-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    min-height: 60vh;
}
.auth-split-img {
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
}
.auth-split-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
@media (max-width: 900px) {
    .auth-split { grid-template-columns: 1fr; }
    .auth-split-img { display: none; }
}

/* ─── CTA Section ─── */
.cta-section {
    text-align: center;
    padding: 3rem 2rem;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(115,178,255,.08), rgba(133,247,214,.06));
    border: 1px solid var(--border);
    margin-top: 2rem;
}
.cta-section h2 {
    font-family: Manrope, sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: .5rem;
}
.cta-section p { color: var(--muted); margin-bottom: 1.2rem; }

/* ─── Responsive ─── */
@media (max-width: 900px) {
    .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
    .grid.cols-3, .features-strip { grid-template-columns: 1fr; }
    .hero, .grid.cols-2 { grid-template-columns: 1fr; }
    .lesson-images { grid-template-columns: 1fr; }
    .site-header { padding: .8rem 1rem; }
    nav a { padding: .35rem .5rem; font-size: .82rem; }
    nav a:last-child { margin-left: 0; }
    .admin-table { font-size: .85rem; }
    .hero-full { min-height: 55vh; }
    .hero-full-content { padding: 3rem 1.5rem; }
}

@media (max-width: 600px) {
    .site-header { flex-direction: column; gap: .5rem; }
    nav { flex-wrap: wrap; justify-content: center; }
    .hero-full-content h1 { font-size: 2rem; }
    .features-strip { gap: .8rem; }
    .grid.cols-4 { grid-template-columns: 1fr; }
}