/* Aero/glassmorphism theme — scoped entirely under .aero-landing so it never leaks into
   dashboards, auth pages, or student/courses.php (which reuses some of the same base class
   names like .course-card/.icon-circle from app.css). Only public/index.php and the root
   index.php gateway load this file and wrap their content in .aero-landing. */

@font-face {
    font-family: 'Outfit';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('../fonts/outfit-variable.woff2') format('woff2-variations'), url('../fonts/outfit-variable.woff2') format('woff2');
}

.aero-landing {
    --aero-indigo: #4f46e5;
    --aero-violet: #7c3aed;
    --aero-pink: #ec4899;
    --aero-cyan: #06b6d4;
    --aero-ink: #1e1b4b;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #f8f8fd;
    color: var(--aero-ink);
    overflow-x: hidden;
}

.aero-landing h1, .aero-landing h2, .aero-landing h3, .aero-landing h4, .aero-landing h5, .aero-landing h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.aero-landing .display-5 {
    font-weight: 800;
    letter-spacing: -0.03em;
}

/* ---------- Reveal-on-scroll (progressive enhancement — see aero-landing.js) ---------- */
.aero-landing .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.aero-landing .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.aero-landing .reveal-stagger.is-visible > * {
    animation: aeroFadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}
.aero-landing .reveal-stagger.is-visible > *:nth-child(1) { animation-delay: 0.05s; }
.aero-landing .reveal-stagger.is-visible > *:nth-child(2) { animation-delay: 0.12s; }
.aero-landing .reveal-stagger.is-visible > *:nth-child(3) { animation-delay: 0.19s; }
.aero-landing .reveal-stagger.is-visible > *:nth-child(4) { animation-delay: 0.26s; }
.aero-landing .reveal-stagger.is-visible > *:nth-child(5) { animation-delay: 0.33s; }
.aero-landing .reveal-stagger.is-visible > *:nth-child(6) { animation-delay: 0.4s; }
@keyframes aeroFadeUp {
    from { opacity: 0; transform: translateY(22px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .aero-landing .reveal, .aero-landing .reveal-stagger > * { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
}

/* ---------- Frosted glass navbar ---------- */
.aero-landing .navbar {
    background: rgba(255, 255, 255, 0.7) !important;
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    border-bottom: 1px solid rgba(124, 58, 237, 0.08) !important;
}
.aero-landing .navbar-brand {
    font-weight: 800;
    background: linear-gradient(135deg, var(--aero-indigo), var(--aero-pink));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.aero-landing .navbar-brand i {
    -webkit-text-fill-color: var(--aero-violet);
    background: none;
}
.aero-landing .nav-link {
    font-weight: 500;
    color: var(--aero-ink) !important;
}
.aero-landing .nav-link:hover {
    color: var(--aero-violet) !important;
}

/* ---------- Gradient pill buttons with a glossy shine sweep ---------- */
.aero-landing .btn {
    border-radius: 50px;
    font-weight: 600;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}
.aero-landing .btn-primary {
    background: linear-gradient(135deg, var(--aero-indigo) 0%, var(--aero-violet) 55%, var(--aero-pink) 100%);
    border: none;
    box-shadow: 0 10px 25px -6px rgba(124, 58, 237, 0.55);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.aero-landing .btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.45) 45%, transparent 70%);
    transform: translateX(-120%);
    transition: transform 0.6s ease;
    z-index: -1;
}
.aero-landing .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -6px rgba(124, 58, 237, 0.65);
    filter: brightness(1.05);
    color: #fff;
}
.aero-landing .btn-primary:hover::before {
    transform: translateX(120%);
}
.aero-landing .btn-outline-primary {
    border: 2px solid var(--aero-violet);
    color: var(--aero-violet);
    background: rgba(124, 58, 237, 0.04);
}
.aero-landing .btn-outline-primary:hover {
    background: var(--aero-violet);
    border-color: var(--aero-violet);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px -8px rgba(124, 58, 237, 0.5);
}
.aero-landing .btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(6px);
}
.aero-landing .btn-outline-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -6px rgba(0, 0, 0, 0.25);
}
.aero-landing .btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -6px rgba(0, 0, 0, 0.3);
}

/* ---------- Hero: animated gradient mesh + floating glass orbs ---------- */
.aero-landing .hero-section {
    position: relative;
    background: linear-gradient(120deg, #4338ca 0%, #7c3aed 42%, #db2777 85%, #ec4899 100%);
    background-size: 200% 200%;
    animation: aeroGradientShift 14s ease-in-out infinite;
    overflow: hidden;
    padding-top: 2.5rem;
    padding-bottom: 4rem;
}
@keyframes aeroGradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
.aero-landing .hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(50px);
    opacity: 0.55;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
    animation: aeroFloat 9s ease-in-out infinite;
}
.aero-landing .hero-orb--1 { width: 260px; height: 260px; top: -60px; left: -60px; background: radial-gradient(circle at 30% 30%, rgba(6, 182, 212, 0.9), rgba(6, 182, 212, 0) 70%); animation-duration: 11s; }
.aero-landing .hero-orb--2 { width: 200px; height: 200px; bottom: -40px; right: 8%; background: radial-gradient(circle at 30% 30%, rgba(236, 72, 153, 0.9), rgba(236, 72, 153, 0) 70%); animation-duration: 8s; animation-delay: 1s; }
.aero-landing .hero-orb--3 { width: 150px; height: 150px; top: 20%; right: 20%; animation-duration: 13s; animation-delay: 2s; }
@keyframes aeroFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(18px, -22px) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
    .aero-landing .hero-section { animation: none; }
    .aero-landing .hero-orb { animation: none; }
}

.aero-landing .hero-section h1,
.aero-landing .hero-section p {
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 20px rgba(30, 27, 75, 0.25);
}
.aero-landing .hero-section .hero-actions {
    position: relative;
    z-index: 1;
}

.aero-landing .hero-chip {
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    position: relative;
    z-index: 1;
}

/* ---------- Glass surfaces (feature cards, role cards, course cards, FAQ, contact) ---------- */
.aero-landing .card,
.aero-landing .contact-info-card,
.aero-landing .contact-form-card,
.aero-landing .accordion-item {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 1px solid rgba(124, 58, 237, 0.1);
    border-radius: 1.25rem !important;
    box-shadow: 0 10px 35px -12px rgba(79, 70, 229, 0.22);
}

.aero-landing .role-card,
.aero-landing .course-card {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.aero-landing .role-card:hover,
.aero-landing .course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 45px -14px rgba(124, 58, 237, 0.35);
}

.aero-landing .icon-circle {
    background: linear-gradient(135deg, var(--aero-indigo), var(--aero-violet));
    box-shadow: 0 8px 20px -6px rgba(124, 58, 237, 0.5);
}
.aero-landing .icon-circle i {
    color: #fff !important;
}
.aero-landing .icon-circle-sm {
    background: linear-gradient(135deg, var(--aero-cyan), var(--aero-violet));
}

.aero-landing .step-circle {
    background: linear-gradient(135deg, var(--aero-indigo), var(--aero-pink));
    box-shadow: 0 10px 24px -6px rgba(124, 58, 237, 0.55);
}

.aero-landing .badge.text-bg-light {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(236, 72, 153, 0.12)) !important;
    color: var(--aero-violet) !important;
    font-weight: 600;
    border-radius: 50px;
}

.aero-landing .result-icon-circle.success {
    background: linear-gradient(135deg, var(--aero-cyan), #10b981);
    color: #fff;
}

/* Section eyebrow labels ("Get Started", "Available Now" etc.) */
.aero-landing .text-primary {
    color: var(--aero-violet) !important;
}

.aero-landing .accordion-button {
    font-weight: 600;
    background: transparent;
}
.aero-landing .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(236, 72, 153, 0.08));
    color: var(--aero-violet);
    box-shadow: none;
}
.aero-landing .accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(124, 58, 237, 0.15);
}

.aero-landing footer {
    background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 100%) !important;
}

/* Section backgrounds: swap plain white for a very soft tint so glass cards still pop */
.aero-landing .bg-white {
    background: linear-gradient(180deg, #ffffff 0%, #f3f0ff 100%) !important;
}