/* =====================================================
   VersatileX Academy — Design Tokens
   Bold/vibrant system: indigo → cobalt → cyan gradient
   Dual theme via [data-theme]
   ===================================================== */

:root {
    /* Brand gradient constants — same in both themes */
    --blue: #3D5AFE;
    --blue-deep: #2338C4;
    --cyan: #22D3EE;
    --sage: #34D399;
    --grad: linear-gradient(120deg, var(--blue-deep) 0%, var(--blue) 55%, var(--cyan) 100%);
    --grad-soft: linear-gradient(120deg, rgba(61,90,254,0.14) 0%, rgba(34,211,238,0.14) 100%);

    --font-display: 'Space Grotesk', 'Inter', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --wrap: 1140px;

    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Light theme (default) ---------- */
:root,
[data-theme="light"] {
    --bg: #F5F7FC;
    --surface: #FFFFFF;
    --surface-alt: #EEF1FA;
    --navy: #12163B;
    --navy-text: #12163B;
    --text: #1B1E2B;
    --text-soft: #565B72;
    --text-faint: #8C90A3;
    --border: rgba(18,22,59,0.09);
    --border-strong: rgba(18,22,59,0.16);
    --shadow-sm: 0 1px 2px rgba(18,22,59,0.06);
    --shadow-md: 0 10px 28px rgba(35,56,196,0.10), 0 2px 8px rgba(18,22,59,0.05);
    --shadow-lg: 0 26px 60px rgba(35,56,196,0.16), 0 6px 16px rgba(18,22,59,0.06);
    --header-bg: rgba(245,247,252,0.78);
    --invert-text: #F5F7FC;
    --glow: rgba(61,90,254,0.16);
}

/* ---------- Dark theme ---------- */
[data-theme="dark"] {
    --bg: #0A0D1F;
    --surface: #12163B;
    --surface-alt: #171B47;
    --navy: #F5F7FC;
    --navy-text: #F3F4FA;
    --text: #E7E9F5;
    --text-soft: #A6AAC4;
    --text-faint: #6E7290;
    --border: rgba(245,247,252,0.10);
    --border-strong: rgba(245,247,252,0.18);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.35);
    --shadow-md: 0 10px 28px rgba(0,0,0,0.4);
    --shadow-lg: 0 30px 70px rgba(0,0,0,0.55), 0 8px 20px rgba(34,211,238,0.08);
    --header-bg: rgba(10,13,31,0.72);
    --invert-text: #0A0D1F;
    --glow: rgba(34,211,238,0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 28px;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--navy-text);
    margin: 0 0 0.5em;
    letter-spacing: -0.02em;
}

a { color: inherit; }

:focus-visible {
    outline: 2.5px solid var(--cyan);
    outline-offset: 3px;
    border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
}

::selection { background: var(--glow); color: var(--navy-text); }

/* Reusable gradient text */
.grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== Dev ribbon ===== */
.dev-ribbon {
    background: var(--navy);
    color: var(--invert-text);
    font-family: var(--font-mono);
    font-size: 12.5px;
    letter-spacing: 0.02em;
    text-align: center;
    padding: 9px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.dev-ribbon__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.site-header__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 13px;
}
.brand__mark {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 17px;
    color: #fff;
    background: var(--grad);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -0.02em;
    box-shadow: var(--shadow-sm);
}
.brand__text { display: flex; flex-direction: column; }
.brand__name {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--navy-text);
}
.brand__name em { font-style: normal; }
.brand__former {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--text-faint);
    letter-spacing: 0.02em;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--navy-text);
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease), border-color 0.15s var(--ease);
    box-shadow: var(--shadow-sm);
}
.icon-btn:hover {
    transform: translateY(-1px) scale(1.04);
    box-shadow: var(--shadow-md);
    border-color: var(--cyan);
}
.icon-btn svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Theme toggle: sun/moon crossfade */
#theme-toggle { position: relative; }
#theme-toggle .icon-sun,
#theme-toggle .icon-moon {
    position: absolute;
    transition: opacity 0.2s var(--ease), transform 0.3s var(--ease);
}
#theme-toggle .icon-sun circle { fill: none; }
#theme-toggle .icon-moon { opacity: 0; transform: rotate(-40deg) scale(0.6); }
#theme-toggle .icon-sun { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="dark"] #theme-toggle .icon-sun { opacity: 0; transform: rotate(40deg) scale(0.6); }
[data-theme="dark"] #theme-toggle .icon-moon { opacity: 1; transform: rotate(0) scale(1); }

.icon-btn--call {
    background: var(--grad);
    border-color: transparent;
    color: #fff;
}
.icon-btn--call svg { stroke: #fff; }
.icon-btn--call:hover { box-shadow: 0 8px 22px rgba(61,90,254,0.4); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 15px;
    border-radius: 999px;
    text-decoration: none;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease), background 0.15s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
    background: var(--grad);
    color: #fff;
    box-shadow: var(--shadow-md);
}
.btn--primary:hover { box-shadow: 0 14px 32px rgba(61,90,254,0.38); }
.btn--outline {
    background: var(--surface);
    border-color: var(--border-strong);
    color: var(--navy-text);
}
.btn--outline:hover { border-color: var(--cyan); box-shadow: var(--shadow-md); }

/* ===== Eyebrow ===== */
.eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--blue);
    margin: 0 0 12px;
}
[data-theme="dark"] .eyebrow { color: var(--cyan); }
.eyebrow--dark { color: var(--blue); }
[data-theme="dark"] .eyebrow--dark { color: var(--cyan); }

/* ===== Hero ===== */
.hero {
    padding: 80px 0 64px;
    position: relative;
    overflow: hidden;
}
.hero__mesh {
    position: absolute;
    top: -260px;
    right: -220px;
    width: 720px;
    height: 720px;
    background:
        radial-gradient(circle at 30% 30%, rgba(61,90,254,0.22), transparent 60%),
        radial-gradient(circle at 65% 60%, rgba(34,211,238,0.18), transparent 55%);
    filter: blur(10px);
    pointer-events: none;
}
.hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 44px;
    position: relative;
}
@media (min-width: 900px) {
    .hero__grid { grid-template-columns: 1.5fr 1fr; align-items: start; }
}
.hero__copy { position: relative; }

h1 {
    font-size: clamp(38px, 5.6vw, 58px);
    line-height: 1.04;
    max-width: 15ch;
}
.hero__lede {
    font-size: 19px;
    color: var(--text);
    max-width: 56ch;
    margin: 0 0 16px;
}
.hero__lede .hl {
    background: var(--grad-soft);
    padding: 0 4px;
    border-radius: 5px;
    font-weight: 600;
}
.hero__body {
    font-size: 16px;
    color: var(--text-soft);
    max-width: 58ch;
    margin: 0 0 28px;
}

.hero__banner {
    background: var(--navy);
    color: var(--invert-text);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    font-size: 15px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}
.hero__banner::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--grad);
}
.hero__banner strong {
    display: block;
    font-family: var(--font-display);
    font-size: 17px;
    background: linear-gradient(120deg, var(--cyan), #8FE9FA);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 2px;
}

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero__panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px 28px;
    box-shadow: var(--shadow-lg);
}
.hero__stat {
    display: flex;
    flex-direction: column;
    padding-bottom: 22px;
    margin-bottom: 22px;
    border-bottom: 1px solid var(--border);
}
.hero__stat-num {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 64px;
    line-height: 1;
    letter-spacing: -0.03em;
}
.hero__stat-unit { font-size: 34px; }
.hero__stat-label {
    font-size: 13px;
    color: var(--text-soft);
    margin-top: 8px;
    max-width: 24ch;
}
.panel__title {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-weight: 600;
    margin-bottom: 18px;
}
.panel__list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.panel__list li {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 13px 0;
    border-top: 1px solid var(--border);
}
.panel__list li:first-child { border-top: none; padding-top: 0; }
.panel__list span {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.panel__list strong {
    font-size: 15px;
    color: var(--navy-text);
    font-weight: 600;
}

/* ===== Section shared ===== */
section h2 {
    font-size: clamp(29px, 3.6vw, 38px);
    max-width: 22ch;
}
.section-lede {
    font-size: 16.5px;
    color: var(--text-soft);
    max-width: 60ch;
    margin: -6px 0 32px;
}
.section-lede--light { color: rgba(245,247,252,0.75); }

/* ===== Intake / Ledger ===== */
.intake {
    padding: 68px 0;
}
.ledger {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow-md);
}
.ledger__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}
.ledger__table thead th {
    background: var(--surface-alt);
    color: var(--text-soft);
    text-align: left;
    font-family: var(--font-mono);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    padding: 15px 22px;
}
.ledger__table tbody td {
    padding: 17px 22px;
    border-top: 1px solid var(--border);
}
.ledger__board {
    font-family: var(--font-mono);
    font-weight: 700;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: 0.03em;
}
.ledger__num {
    font-family: var(--font-mono);
    font-weight: 600;
}
.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    font-weight: 600;
    padding: 6px 13px;
    border-radius: 999px;
}
.pill--open {
    background: rgba(52,211,153,0.14);
    color: var(--sage);
}
.pill--open::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sage);
}
.ledger__note {
    font-size: 14px;
    color: var(--text-soft);
    margin-top: 16px;
}

/* ===== Features ===== */
.features {
    padding: 72px 0;
}
.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 8px;
}
@media (min-width: 700px) {
    .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1000px) {
    .feature-grid { grid-template-columns: 1fr 1fr 1fr; }
}
.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 26px 24px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    padding: 1.5px;
    background: var(--grad);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.2s var(--ease);
    pointer-events: none;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.feature-card:hover::before { opacity: 1; }
.feature-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}
.feature-card p {
    font-size: 14.5px;
    color: var(--text-soft);
    margin: 0;
}
.feature-card__cta-line {
    font-size: 13.5px !important;
    color: var(--blue) !important;
    font-weight: 600;
    margin-top: 14px !important;
    padding-top: 14px;
    border-top: 1px dashed var(--border);
}
[data-theme="dark"] .feature-card__cta-line { color: var(--cyan) !important; }
.feature-card__cta-btn {
    display: inline-flex;
    margin-top: 12px;
    padding: 10px 20px;
    font-size: 13.5px;
}

/* ===== Legacy services ===== */
.legacy {
    padding: 68px 0;
}
.legacy-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--border);
    box-shadow: var(--shadow-md);
}
@media (min-width: 760px) {
    .legacy-grid { grid-template-columns: 1fr 1fr; }
}
.legacy-item {
    padding: 26px 28px;
    background: var(--surface);
}
.legacy-item h3 { font-size: 16.5px; margin-bottom: 6px; }
.legacy-item p { font-size: 14px; color: var(--text-soft); margin: 0; }

/* ===== Schedule / timetable ===== */
.schedule {
    padding: 72px 0;
}
.timetable {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.timetable__row {
    display: grid;
    grid-template-columns: 1fr;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s var(--ease);
}
.timetable__row:hover { box-shadow: var(--shadow-md); }
@media (min-width: 760px) {
    .timetable__row { grid-template-columns: 230px 1fr; }
}
.timetable__label {
    background: var(--grad);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 18px;
    padding: 22px 24px;
    display: flex;
    align-items: center;
}
.timetable__bar {
    background: var(--surface);
    padding: 20px 24px;
}
.timetable__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 8px;
}
.timetable__meta span {
    font-size: 14.5px;
    color: var(--text);
}
.timetable__meta strong {
    display: block;
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-faint);
    font-weight: 600;
    margin-bottom: 2px;
}
.timetable__note {
    font-size: 13.5px;
    color: var(--sage);
    margin: 6px 0 0;
    font-style: italic;
}

/* ===== Fees ===== */
.fees {
    background: var(--navy);
    color: var(--invert-text);
    padding: 72px 0;
    border-radius: var(--radius-lg);
    margin: 0 auto;
    max-width: calc(var(--wrap) + 56px);
    position: relative;
    overflow: hidden;
}
.fees::before {
    content: '';
    position: absolute;
    top: -140px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(34,211,238,0.18), transparent 70%);
    pointer-events: none;
}
.fees h2 { color: var(--invert-text); position: relative; }
.fees__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
    position: relative;
}
@media (min-width: 760px) {
    .fees__grid { grid-template-columns: 1.4fr 1fr; }
}
.fees__asterisk {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: rgba(245,247,252,0.5);
    margin-top: 18px;
}
.fees__terms {
    background: rgba(245,247,252,0.06);
    border: 1px solid rgba(245,247,252,0.14);
    border-radius: var(--radius-md);
    padding: 24px;
}
.fees__terms-title {
    display: block;
    font-family: var(--font-mono);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cyan);
    margin-bottom: 14px;
}
.fees__terms ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.fees__terms li {
    font-size: 14.5px;
    padding: 11px 13px;
    background: rgba(245,247,252,0.05);
    border-radius: 8px;
    border-left: 2px solid var(--cyan);
}

/* ===== Safety ===== */
.safety {
    padding: 44px 0;
}
.safety__row {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px 30px;
    box-shadow: var(--shadow-sm);
}
.safety__icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}
.safety__icon path, .safety__icon circle {
    fill: none;
    stroke: var(--sage);
    stroke-width: 2;
    stroke-linejoin: round;
    stroke-linecap: round;
}
.safety p {
    margin: 0;
    font-size: 16px;
    color: var(--text);
}
.safety strong { color: var(--sage); }

/* ===== Contact ===== */
.contact {
    padding: 72px 0;
}
.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: center;
}
@media (min-width: 760px) {
    .contact__grid { grid-template-columns: 1.4fr 1fr; }
}
.contact__phone {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-decoration: none;
    background: var(--grad);
    color: #fff;
    padding: 26px 30px;
    border-radius: var(--radius-lg);
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
    box-shadow: var(--shadow-md);
}
.contact__phone:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(61,90,254,0.35);
}
.contact__phone-label {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    opacity: 0.85;
}
.contact__phone-num {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

/* ===== Footer ===== */
.site-footer {
    color: var(--text-faint);
    padding: 26px 0 40px;
    font-size: 13px;
}
.site-footer__row {
    display: flex;
    flex-direction: col