/* Lastech Academy — Global design system */

:root {
    --la-black: #000000;
    --la-navy: #0c1929;
    --la-navy-mid: #0f2744;
    --la-blue: #0052FF;
    --la-blue-bright: #0082FB;
    --la-blue-light: #3385ff;
    --la-cyan: #00b4d8;
    --la-surface: #f8fafc;
    --la-surface-2: #f1f5f9;
    --la-text: #0f172a;
    --la-muted: #64748b;
    --la-border: #e2e8f0;
    --la-radius: 12px;
    --la-radius-lg: 16px;
    --la-radius-xl: 24px;
    --la-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --la-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    --la-shadow-lg: 0 20px 50px -12px rgba(15, 23, 42, 0.15);
    --la-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ——— Theme ——— */
html.light body {
    background: var(--la-surface);
    color: var(--la-text);
}

html.light .theme-bg { background: var(--la-surface); }
html.light .theme-card {
    background: #fff;
    border-color: var(--la-border);
    box-shadow: var(--la-shadow-sm);
}
html.light .theme-text { color: var(--la-text); }
html.light .theme-muted { color: var(--la-muted); }
html.light .theme-border { border-color: var(--la-border); }

body {
    background: #ffffff;
    color: #0f172a;
    font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
}

html:not(.light) body {
    background: #000000;
    color: #e2e8f0;
}

.theme-bg { background: #ffffff; }

html:not(.light) .theme-bg { background: #000000; }
.theme-card {
    background: rgba(15, 39, 68, 0.65);
    border-color: rgba(255, 255, 255, 0.08);
}
.theme-text { color: #f8fafc; }
.theme-muted { color: #94a3b8; }
.theme-border { border-color: rgba(255, 255, 255, 0.1); }

/* ——— Navigation (floating pill — Dugsiiye-style) ——— */
.site-nav-shell {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 0.65rem clamp(0.75rem, 4vw, 2rem) 0;
    pointer-events: none;
    background: linear-gradient(180deg, #f0f9ff 0%, #f8fafc 100%);
}

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, #f0f9ff 0%, rgba(255, 255, 255, 0) 85%);
}

.site-nav--pill {
    pointer-events: auto;
    max-width: 72rem;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    transition: box-shadow 0.25s ease;
}

.site-nav--pill.is-scrolled {
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
}

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: rgba(255, 255, 255, 0.98) !important;
    border-color: #e2e8f0 !important;
    box-shadow: 0 4px 24px rgba(4, 159, 217, 0.1) !important;
}

html:not(.light) .site-nav--pill {
    background: rgba(30, 41, 59, 0.96);
    border-color: rgba(255, 255, 255, 0.12);
}

.site-nav__bar {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    min-height: 2.75rem;
    padding: 0.3rem 0.45rem 0.3rem 0.55rem;
}

.site-nav__links {
    flex: 1;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    min-width: 0;
}

.site-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
    flex-shrink: 0;
}

.nav-link {
    display: inline-block;
    padding: 0.45rem 0.75rem;
    color: #1e293b;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
    border-radius: 999px;
    white-space: nowrap;
    transition: color var(--la-transition), background var(--la-transition);
}

.nav-link:hover {
    background: #f1f5f9;
    color: #049fd9;
}

.nav-link-active {
    background: rgba(4, 159, 217, 0.12);
    color: #0369a1;
    font-weight: 700;
    box-shadow: none;
}

/* Pill nav: always dark readable text on white bar */
.site-nav--pill .nav-link {
    color: #1e293b !important;
    font-weight: 600 !important;
}

.site-nav--pill .nav-link:hover {
    color: #049fd9 !important;
    background: #f1f5f9 !important;
}

.site-nav--pill .nav-link-active {
    color: #0369a1 !important;
    font-weight: 700 !important;
    background: rgba(4, 159, 217, 0.12) !important;
}

html:not(.light) .site-nav:not(.site-nav--pill) .nav-link {
    color: rgba(255, 255, 255, 0.78);
}

html:not(.light) .site-nav:not(.site-nav--pill) .nav-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.nav-search {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    transition: border-color var(--la-transition), box-shadow var(--la-transition);
}

.nav-search:focus {
    outline: none;
    border-color: var(--la-blue-light);
    box-shadow: 0 0 0 3px rgba(0, 102, 230, 0.2);
}

.nav-search::placeholder { color: rgba(255, 255, 255, 0.45); }

html.light .nav-search {
    background: var(--la-surface-2);
    border: 1px solid var(--la-border);
    color: var(--la-text);
}

html.light .nav-search::placeholder { color: #94a3b8; }
html.light .nav-search:focus {
    border-color: var(--la-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 230, 0.12);
}

.nav-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    border-radius: 999px;
    color: #475569;
    background: transparent;
    cursor: pointer;
    transition: background var(--la-transition), color var(--la-transition);
}

.nav-icon-btn:hover {
    background: #f1f5f9;
    color: #049fd9;
}

.site-nav--pill .nav-icon-btn {
    color: #475569 !important;
}

.site-nav--pill .nav-icon-btn:hover {
    color: #049fd9 !important;
    background: #f1f5f9 !important;
}

html:not(.light) .site-nav:not(.site-nav--pill) .nav-icon-btn {
    color: rgba(255, 255, 255, 0.85);
}

html:not(.light) .site-nav:not(.site-nav--pill) .nav-icon-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

.nav-login {
    padding: 0.4rem 0.65rem;
    color: #1e293b;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 999px;
    transition: color var(--la-transition);
}

.nav-login:hover {
    color: #049fd9;
}

.site-nav--pill .nav-login {
    color: #1e293b !important;
    font-weight: 600 !important;
}

.site-nav--pill .nav-login:hover {
    color: #049fd9 !important;
}

html:not(.light) .site-nav:not(.site-nav--pill) .nav-login {
    color: rgba(255, 255, 255, 0.9);
}

.nav-cta {
    align-items: center;
    justify-content: center;
    padding: 0.45rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #fff !important;
    background: linear-gradient(135deg, #049fd9 0%, #0284c7 100%);
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(4, 159, 217, 0.35);
    transition: transform var(--la-transition), box-shadow var(--la-transition), filter var(--la-transition);
}

.nav-cta:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(4, 159, 217, 0.45);
}

.nav-avatar-btn {
    display: flex;
    padding: 0.125rem;
    border: none;
    border-radius: 999px;
    background: transparent;
    cursor: pointer;
    box-shadow: 0 0 0 2px #e2e8f0;
}

.site-nav__mobile {
    margin: 0.35rem 0.5rem 0.5rem;
    padding: 0.65rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.site-nav__mobile .nav-link {
    display: block;
    width: 100%;
    padding: 0.65rem 0.85rem;
    color: #1e293b !important;
    font-weight: 600 !important;
}

.site-nav__mobile .nav-link-active {
    color: #0369a1 !important;
    font-weight: 700 !important;
    background: rgba(4, 159, 217, 0.1) !important;
}

.site-nav__mobile-search {
    padding: 0.5rem 0.35rem 0;
}

.site-nav__mobile-search .nav-search {
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    font-size: 0.875rem;
}

.site-nav__mobile-cta {
    display: flex;
    gap: 0.5rem;
    padding: 0.65rem 0.35rem 0.25rem;
    border-top: 1px solid #f1f5f9;
    margin-top: 0.5rem;
}

.site-nav__mobile-cta .nav-cta {
    flex: 1;
    text-align: center;
}

html:not(.light) .site-nav__mobile {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.1);
}

/* Buttons */
.btn-gradient {
    background: linear-gradient(135deg, var(--la-blue) 0%, var(--la-blue-light) 100%);
    color: #fff !important;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(0, 102, 230, 0.35);
    transition: transform var(--la-transition), box-shadow var(--la-transition), filter var(--la-transition);
}

.btn-gradient:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 102, 230, 0.4);
}

/* Brand wordmark — Optimus-style stacked */
.la-brand-wordmark {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.05em;
    font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
    line-height: 1.05;
}

.la-brand-wordmark--nav {
    font-size: 1rem;
}

.la-brand-wordmark--hero {
    margin: 0 0 1.35rem;
}

.la-brand-wordmark--footer {
    font-size: 1.2rem;
    margin-top: 0.65rem;
    margin-bottom: 0.35rem;
}

.la-brand-wordmark__lastech {
    display: block;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #0a1628;
    -webkit-text-fill-color: #0a1628;
    background: none;
}

.la-brand-wordmark__academy {
    display: block;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--la-blue);
    -webkit-text-fill-color: var(--la-blue);
    background: none;
}

.la-brand-wordmark--nav .la-brand-wordmark__lastech {
    font-size: 1.05em;
    line-height: 1.1;
}

.la-brand-wordmark--nav .la-brand-wordmark__academy {
    font-size: 0.52em;
    margin-top: 0.1em;
    letter-spacing: 0.22em;
}

.la-brand-wordmark--hero .la-brand-wordmark__lastech {
    font-size: clamp(2.65rem, 7vw, 4.75rem);
    letter-spacing: -0.045em;
    line-height: 0.95;
}

.la-brand-wordmark--hero .la-brand-wordmark__academy {
    font-size: clamp(0.95rem, 2.2vw, 1.35rem);
    margin-top: 0.35rem;
    letter-spacing: 0.28em;
}

.la-brand-wordmark--footer .la-brand-wordmark__lastech {
    font-size: 1.15em;
}

.la-brand-wordmark--footer .la-brand-wordmark__academy {
    font-size: 0.55em;
    margin-top: 0.15em;
}

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

html:not(.light) .la-brand-wordmark__academy {
    color: var(--la-blue-bright);
    -webkit-text-fill-color: var(--la-blue-bright);
    text-shadow:
        0 0 20px rgba(0, 130, 251, 0.55),
        0 0 40px rgba(0, 130, 251, 0.25);
}

.brand-logo-wrap:hover .la-brand-wordmark__academy {
    filter: brightness(1.08);
}

/* Split section titles — Optimus-style */
.la-title-split {
    display: block;
}

.la-title-split__dark {
    color: #0a1628;
    -webkit-text-fill-color: #0a1628;
}

.la-title-split__accent {
    color: var(--la-blue);
    -webkit-text-fill-color: var(--la-blue);
}

html:not(.light) .la-title-split__dark {
    color: #f1f5f9;
    -webkit-text-fill-color: #f1f5f9;
    text-shadow: 0 0 24px rgba(255, 255, 255, 0.06);
}

html:not(.light) .la-title-split__accent {
    color: var(--la-blue-bright);
    -webkit-text-fill-color: var(--la-blue-bright);
    text-shadow:
        0 0 24px rgba(0, 130, 251, 0.5),
        0 0 48px rgba(0, 130, 251, 0.25);
}

.gradient-text {
    background: linear-gradient(135deg, var(--la-blue) 0%, var(--la-cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-logo { filter: none; }
html.light .brand-logo { filter: none; }

.brand-name {
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.06em;
    font-size: 0.8rem;
}

html.light .brand-name {
    color: var(--la-navy);
    letter-spacing: 0.05em;
}

/* Footer */
.site-footer {
    background: linear-gradient(180deg, var(--la-navy-mid) 0%, var(--la-navy) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1.25rem;
}

.site-footer-social {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background var(--la-transition), transform var(--la-transition);
}

.site-footer-social:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.site-footer a:hover { color: var(--la-cyan); }

.site-footer-input {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 999px;
}

.site-footer-submit {
    background: var(--la-blue);
    color: #fff;
    transition: background var(--la-transition);
}

.site-footer-submit:hover { background: var(--la-blue-light); }

/* Section utilities */
.la-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--la-blue);
    margin-bottom: 0.75rem;
}

html:not(.light) .la-eyebrow { color: var(--la-cyan); }

.la-section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--la-text);
}

html:not(.light) .la-section-title { color: #f8fafc; }

.la-section-desc {
    color: var(--la-muted);
    font-size: 1.05rem;
    line-height: 1.65;
    max-width: 36rem;
}

/* Public pages: light pill nav */
.page-home .site-nav--pill,
.page-about .site-nav--pill,
.page-contact .site-nav--pill,
.page-courses .site-nav--pill {
    background: rgba(255, 255, 255, 0.98);
    border-color: #e2e8f0;
}

body.page-home,
html.light body.page-home,
body.page-about,
html.light body.page-about,
body.page-contact,
html.light body.page-contact,
body.page-courses,
html.light body.page-courses,
body.page-typing,
html.light body.page-typing {
    background: #ffffff !important;
}

body.page-home .theme-bg,
body.page-about .theme-bg,
body.page-contact .theme-bg,
body.page-courses .theme-bg,
body.page-typing .theme-bg {
    background: #ffffff !important;
}

/* Support chat widget */
.support-chat {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 70;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
}

.support-chat__bubble {
    position: relative;
    background: #fff;
    color: #1a1a1a;
    padding: 0.875rem 2rem 0.875rem 1rem;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    max-width: 220px;
    font-size: 0.9rem;
    font-weight: 500;
}

.support-chat__bubble::after {
    content: '';
    position: absolute;
    bottom: 12px;
    right: -6px;
    width: 12px;
    height: 12px;
    background: #fff;
    transform: rotate(45deg);
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.06);
}

.support-chat__bubble-close {
    position: absolute;
    top: 4px;
    right: 8px;
    font-size: 1.1rem;
    line-height: 1;
    color: #999;
    background: none;
    border: none;
    cursor: pointer;
}

.support-chat__bubble-close:hover { color: #333; }

.support-chat__trigger {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: #1da851;
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(29, 168, 81, 0.45);
    transition: transform 0.2s, background 0.2s;
}

.support-chat__trigger:hover { transform: scale(1.05); }
.support-chat__trigger.is-open { background: #1a1a1a; }

.support-chat__panel {
    width: min(320px, calc(100vw - 2rem));
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    color: #1a1a1a;
}

.support-chat__panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: #1a1a1a;
    color: #fff;
    font-size: 0.95rem;
}

.support-chat__panel-head button {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.8;
}

.support-chat__panel-desc {
    padding: 1rem 1.25rem 0.5rem;
    font-size: 0.875rem;
    color: #5c5c5c;
    line-height: 1.5;
}

.support-chat__action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.5rem 1rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #1a1a1a;
    background: #f5f5f5;
    border-radius: 4px;
    transition: background 0.2s;
}

.support-chat__action:last-child { margin-bottom: 1rem; }

.support-chat__action:hover { background: #e8e8e8; }

.support-chat__action--wa { background: #e8f8ee; color: #128c7e; }
.support-chat__action--wa:hover { background: #d4f0dd; }

.support-chat__action--muted {
    background: transparent;
    font-weight: 500;
    color: #049fd9;
}

/* Student login — header dropdown */
.student-nav-login-btn {
    border: 1px solid rgba(4, 159, 217, 0.35);
    background: rgba(4, 159, 217, 0.08);
    padding: 0.45rem 0.9rem !important;
}

.student-nav-login-panel {
    background: #fff;
    border-color: #e2e8f0;
    overflow: hidden;
}

.student-nav-login-panel__head {
    padding: 0.85rem 1rem;
    background: linear-gradient(135deg, #0d1b3e 0%, #0082fb 100%);
    color: #fff;
}

.student-nav-login-panel__head strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
}

.student-nav-login-panel__head span {
    display: block;
    font-size: 0.72rem;
    opacity: 0.85;
    margin-top: 0.15rem;
}

.student-nav-login-panel__form {
    padding: 0.85rem 1rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.student-nav-login-panel__form label {
    font-size: 0.72rem;
    font-weight: 600;
    color: #475569;
}

.student-nav-login-panel__form input[type="email"],
.student-nav-login-panel__form input[type="password"] {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    background: #f8fafc;
}

.student-nav-login-panel__form input:focus {
    outline: none;
    border-color: #0082fb;
    box-shadow: 0 0 0 3px rgba(0, 130, 251, 0.15);
}

.student-nav-login-panel__input--error {
    border-color: #ef4444 !important;
}

.student-nav-login-panel__error {
    font-size: 0.72rem;
    color: #dc2626;
    margin: 0;
}

.student-nav-login-panel__remember {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 0.15rem;
}

.student-nav-login-panel__submit {
    margin-top: 0.35rem;
    width: 100%;
    padding: 0.55rem 1rem;
    border: none;
    border-radius: 0.55rem;
    background: linear-gradient(135deg, #0082fb, #00c6ff);
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
}

.student-nav-login-panel__submit:hover {
    filter: brightness(1.05);
}

.student-nav-login-panel__foot {
    padding: 0.65rem 1rem 0.85rem;
    font-size: 0.75rem;
    color: #64748b;
    border-top: 1px solid #f1f5f9;
    text-align: center;
}

.student-nav-login-panel__foot a {
    color: #0082fb;
    font-weight: 600;
}

.site-nav__mobile-student-login {
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid #e2e8f0;
}

.site-nav__mobile-student-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 0.5rem;
}

.site-nav__mobile-login-form {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.site-nav__mobile-login-form input {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    font-size: 0.85rem;
}

.site-nav__mobile-login-error {
    font-size: 0.75rem;
    color: #dc2626;
    margin: 0;
}