/* Lastech — Water / iOS Liquid Glass UI (nav, menus, footer) */

:root {
    --water-sky: #ecfeff;
    --water-pool: #bae6fd;
    --water-light: #7dd3fc;
    --water-mid: #38bdf8;
    --water-deep: #0ea5e9;
    --water-ocean: #0284c7;
    --water-abyss: #0369a1;
    --water-teal: #06b6d4;
    --water-glass: rgba(255, 255, 255, 0.58);
    --water-glass-border: rgba(255, 255, 255, 0.72);
    --water-glass-highlight: rgba(255, 255, 255, 0.92);
}

html:not(.light) {
    --water-sky: #000000;
    --water-pool: #0d1117;
    --water-light: #0082fb;
    --water-mid: #0082fb;
    --water-deep: #0066cc;
    --water-ocean: #0082fb;
    --water-abyss: #94a3b8;
    --water-teal: #0082fb;
    --water-glass: rgba(17, 24, 39, 0.85);
    --water-glass-border: rgba(255, 255, 255, 0.08);
    --water-glass-highlight: rgba(255, 255, 255, 0.05);
}

/* ——— Nav shell ——— */
.site-nav-shell {
    background: linear-gradient(180deg, var(--water-sky) 0%, transparent 100%) !important;
    padding: 0.85rem clamp(0.85rem, 4vw, 2rem) 0 !important;
}

body.page-home .site-nav-shell,
body.page-about .site-nav-shell,
body.page-contact .site-nav-shell,
body.page-courses .site-nav-shell,
body.page-typing .site-nav-shell {
    background: linear-gradient(180deg, rgba(236, 254, 255, 0.95) 0%, transparent 90%) !important;
}

html:not(.light) body.page-home .site-nav-shell,
html:not(.light) body.page-about .site-nav-shell,
html:not(.light) body.page-contact .site-nav-shell,
html:not(.light) body.page-courses .site-nav-shell,
html:not(.light) body.page-typing .site-nav-shell {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.9) 0%, transparent 90%) !important;
}

/* ——— iOS liquid glass pill nav ——— */
.site-nav--pill {
    background: var(--water-glass) !important;
    backdrop-filter: blur(40px) saturate(190%) !important;
    -webkit-backdrop-filter: blur(40px) saturate(190%) !important;
    border: 1px solid var(--water-glass-border) !important;
    border-radius: 999px !important;
    box-shadow:
        0 8px 32px rgba(14, 165, 233, 0.14),
        0 2px 8px rgba(6, 182, 212, 0.08),
        inset 0 1px 0 var(--water-glass-highlight) !important;
    transition: box-shadow 0.35s ease, transform 0.35s ease !important;
}

.site-nav--pill.is-scrolled {
    box-shadow:
        0 12px 40px rgba(14, 165, 233, 0.2),
        0 4px 12px rgba(6, 182, 212, 0.12),
        inset 0 1px 0 var(--water-glass-highlight) !important;
}

html.light .site-nav--pill,
.page-home .site-nav--pill,
.page-about .site-nav--pill,
.page-contact .site-nav--pill,
.page-courses .site-nav--pill,
.page-typing .site-nav--pill {
    background: var(--water-glass) !important;
    border-color: var(--water-glass-border) !important;
}

html:not(.light) .site-nav--pill,
html:not(.light) body.page-home .site-nav--pill {
    background: var(--water-glass) !important;
    border-color: var(--water-glass-border) !important;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 var(--water-glass-highlight) !important;
}

/* ——— Nav links ——— */
.site-nav--pill .nav-link {
    color: #0c4a6e !important;
    font-weight: 600 !important;
    padding: 0.5rem 0.9rem !important;
    border-radius: 999px !important;
    transition: all 0.25s cubic-bezier(0.34, 1.2, 0.64, 1) !important;
}

html:not(.light) .site-nav--pill .nav-link {
    color: rgba(224, 242, 254, 0.9) !important;
}

.site-nav--pill .nav-link:hover {
    color: var(--water-ocean) !important;
    background: rgba(56, 189, 248, 0.18) !important;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4) !important;
}

html:not(.light) .site-nav--pill .nav-link:hover {
    color: var(--water-teal) !important;
    background: rgba(6, 182, 212, 0.15) !important;
}

.site-nav--pill .nav-link-active {
    color: #fff !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, #0082fb 0%, #0066cc 100%) !important;
    box-shadow:
        0 0 20px rgba(0, 130, 251, 0.55),
        0 4px 16px rgba(0, 130, 251, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.35) !important;
}

html:not(.light) .site-nav--pill .nav-link-active {
    box-shadow:
        0 0 24px rgba(0, 130, 251, 0.65),
        0 0 48px rgba(0, 130, 251, 0.3),
        0 4px 16px rgba(0, 130, 251, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
}

/* ——— Nav actions ——— */
.site-nav--pill .nav-icon-btn {
    color: var(--water-abyss) !important;
    border-radius: 999px !important;
}

html:not(.light) .site-nav--pill .nav-icon-btn {
    color: var(--water-teal) !important;
}

.site-nav--pill .nav-icon-btn:hover {
    color: var(--water-ocean) !important;
    background: rgba(56, 189, 248, 0.2) !important;
}

.site-nav--pill .nav-login {
    color: var(--water-abyss) !important;
}

html:not(.light) .site-nav--pill .nav-login {
    color: rgba(224, 242, 254, 0.9) !important;
}

.site-nav--pill .nav-login:hover {
    color: var(--water-ocean) !important;
}

.nav-cta {
    background: linear-gradient(135deg, var(--water-light) 0%, var(--water-teal) 45%, var(--water-deep) 100%) !important;
    border-radius: 999px !important;
    box-shadow:
        0 4px 18px rgba(6, 182, 212, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4) !important;
    font-weight: 700 !important;
    letter-spacing: -0.01em !important;
}

.nav-cta:hover {
    transform: translateY(-2px) scale(1.02) !important;
    box-shadow:
        0 8px 28px rgba(6, 182, 212, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.5) !important;
    filter: brightness(1.05) !important;
}

/* ——— Mobile menu (iOS sheet style) ——— */
.site-nav__mobile {
    margin: 0.5rem 0.65rem 0.75rem !important;
    padding: 0.75rem !important;
    border-radius: 20px !important;
    background: var(--water-glass) !important;
    backdrop-filter: blur(40px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(40px) saturate(180%) !important;
    border: 1px solid var(--water-glass-border) !important;
    box-shadow:
        0 16px 48px rgba(14, 165, 233, 0.15),
        inset 0 1px 0 var(--water-glass-highlight) !important;
}

html:not(.light) .site-nav__mobile {
    background: var(--water-glass) !important;
    border-color: var(--water-glass-border) !important;
}

.site-nav__mobile .nav-link {
    display: block !important;
    padding: 0.75rem 1rem !important;
    border-radius: 14px !important;
    margin-bottom: 0.25rem !important;
    color: var(--water-abyss) !important;
}

html:not(.light) .site-nav__mobile .nav-link {
    color: #e0f2fe !important;
}

.site-nav__mobile .nav-link:hover {
    background: rgba(56, 189, 248, 0.15) !important;
}

.site-nav__mobile .nav-link-active {
    background: linear-gradient(135deg, var(--water-mid), var(--water-teal)) !important;
    color: #fff !important;
}

.site-nav__mobile-search .nav-search {
    border-radius: 14px !important;
    background: rgba(186, 230, 253, 0.35) !important;
    border: 1px solid rgba(56, 189, 248, 0.25) !important;
}

html:not(.light) .site-nav__mobile-search .nav-search {
    background: rgba(8, 47, 73, 0.6) !important;
    border-color: rgba(6, 182, 212, 0.2) !important;
    color: #e0f2fe !important;
}

.site-nav__mobile-cta {
    gap: 0.65rem !important;
    padding-top: 0.5rem !important;
}

.site-nav__mobile-cta .nav-cta {
    flex: 1 !important;
    text-align: center !important;
    justify-content: center !important;
}

/* ——— User dropdown menu ——— */
.site-nav .theme-card {
    background: var(--water-glass) !important;
    backdrop-filter: blur(40px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(40px) saturate(180%) !important;
    border: 1px solid var(--water-glass-border) !important;
    border-radius: 18px !important;
    box-shadow:
        0 20px 50px rgba(14, 165, 233, 0.2),
        inset 0 1px 0 var(--water-glass-highlight) !important;
    overflow: hidden !important;
}

html:not(.light) .site-nav .theme-card {
    background: rgba(8, 28, 48, 0.92) !important;
}

.site-nav .theme-card a:hover,
.site-nav .theme-card button:hover {
    background: rgba(56, 189, 248, 0.12) !important;
}

/* ——— Pre-footer CTA (Optimus-style white / dark) ——— */
.site-cta {
    position: relative;
    overflow: hidden;
    background: #ffffff !important;
    border-top: 1px solid #e8eef5 !important;
    padding: 4rem 1.5rem !important;
}

.site-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 82, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 82, 255, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 20%, transparent 75%);
    pointer-events: none;
}

html:not(.light) .site-cta {
    background: #000000 !important;
    border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
}

html:not(.light) .site-cta::before {
    background-image:
        linear-gradient(rgba(0, 130, 251, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 130, 251, 0.06) 1px, transparent 1px);
}

.site-cta__title {
    color: #0a1628 !important;
    position: relative;
    z-index: 1;
}

html:not(.light) .site-cta__title {
    color: #f1f5f9 !important;
}

.site-cta__text {
    color: #64748b !important;
    position: relative;
    z-index: 1;
}

html:not(.light) .site-cta__text {
    color: #94a3b8 !important;
}

.site-cta__inner {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.site-cta__title {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.site-cta__text {
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 1.75rem;
}

.site-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.875rem;
    justify-content: center;
}

.site-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.site-cta__btn--primary {
    background: linear-gradient(135deg, #0052FF, #0082FB) !important;
    border-radius: 14px !important;
    box-shadow: 0 8px 28px rgba(0, 82, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25) !important;
}

html:not(.light) .site-cta__btn--primary {
    box-shadow: 0 8px 28px rgba(0, 130, 251, 0.4), 0 0 24px rgba(0, 130, 251, 0.15) !important;
}

.site-cta__btn--outline {
    border: 2px solid #0052FF !important;
    color: #0052FF !important;
    border-radius: 14px !important;
    background: transparent !important;
}

html:not(.light) .site-cta__btn--outline {
    border-color: rgba(0, 130, 251, 0.5) !important;
    color: #0082FB !important;
}

.site-cta__btn--outline:hover {
    border-color: #0082FB !important;
    color: #0082FB !important;
    background: rgba(0, 82, 255, 0.06) !important;
}

html:not(.light) .site-cta__btn--outline:hover {
    background: rgba(0, 130, 251, 0.1) !important;
}

/* ——— Footer (Optimus-style white / dark, all pages) ——— */
body.page-home .site-footer-v2 {
    margin-top: 0 !important;
}

.site-footer-v2 {
    position: relative;
    overflow: hidden;
    background: #ffffff !important;
    color: #0f172a !important;
    border-top: 1px solid #e8eef5 !important;
}

.site-footer-v2::before,
.site-footer-v2::after {
    display: none !important;
}

.site-footer-v2__grid,
.site-footer-v2__bottom {
    position: relative;
    z-index: 1;
}

.site-footer-v2__grid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    display: grid;
    gap: 2rem;
}

@media (min-width: 640px) {
    .site-footer-v2__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .site-footer-v2__grid {
        grid-template-columns: 1.4fr repeat(3, 1fr);
    }
}

.site-footer-v2__brand p {
    font-size: 0.875rem;
    line-height: 1.65;
    margin: 1rem 0;
    max-width: 280px;
}

.site-footer-v2__social {
    display: flex;
    gap: 0.5rem;
}

.site-footer-v2__social a {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-footer-v2 h4 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.site-footer-v2 ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-footer-v2 li {
    margin-bottom: 0.5rem;
}

.site-footer-v2 a {
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.15s;
}

.site-footer-v2__bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.8rem;
}

.site-footer-v2__brand p {
    color: #64748b !important;
}

.site-footer-v2 h4 {
    color: #0052FF !important;
}

.site-footer-v2 a {
    color: #475569 !important;
}

.site-footer-v2 a:hover {
    color: #0052FF !important;
}

.site-footer-v2__bottom {
    border-top: 1px solid #e8eef5 !important;
    color: #94a3b8 !important;
}

.site-footer-v2 .la-brand-wordmark__lastech {
    color: #0a1628 !important;
    -webkit-text-fill-color: #0a1628 !important;
}

.site-footer-v2 .la-brand-wordmark__academy {
    color: #0052FF !important;
    -webkit-text-fill-color: #0052FF !important;
    text-shadow: none !important;
}

.site-footer-v2__social a {
    background: #f1f5f9 !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 12px !important;
    color: #0052FF !important;
}

.site-footer-v2__social a:hover {
    background: #0052FF !important;
    color: #fff !important;
    transform: translateY(-2px) !important;
}

html:not(.light) .site-footer-v2 {
    background: #000000 !important;
    color: #f1f5f9 !important;
    border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
}

html:not(.light) .site-footer-v2__brand p {
    color: #94a3b8 !important;
}

html:not(.light) .site-footer-v2 h4 {
    color: #0082FB !important;
}

html:not(.light) .site-footer-v2 a {
    color: #94a3b8 !important;
}

html:not(.light) .site-footer-v2 a:hover {
    color: #0082FB !important;
}

html:not(.light) .site-footer-v2__bottom {
    border-top-color: rgba(255, 255, 255, 0.06) !important;
    color: #64748b !important;
}

html:not(.light) .site-footer-v2 .la-brand-wordmark__lastech {
    color: #f1f5f9 !important;
    -webkit-text-fill-color: #f1f5f9 !important;
}

html:not(.light) .site-footer-v2 .la-brand-wordmark__academy {
    color: #0082FB !important;
    -webkit-text-fill-color: #0082FB !important;
    text-shadow: 0 0 16px rgba(0, 130, 251, 0.4) !important;
}

html:not(.light) .site-footer-v2__social a {
    background: rgba(255, 255, 255, 0.06) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: #0082FB !important;
}

html:not(.light) .site-footer-v2__social a:hover {
    background: #0082FB !important;
    color: #fff !important;
}