/* ==========================================================================
   HA Smart Pips Academy — Landing components
   Depends on tokens.css. Every rule here belongs to the public landing page.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Ambient background — one fixed layer for the whole page so sections flow
   into each other instead of stacking as alternating light/dark bands.
   -------------------------------------------------------------------------- */
.ambient {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}
.ambient__grid {
    position: absolute;
    inset: -10%;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
}
.ambient__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.85;
    animation: drift 26s var(--ease-in-out) infinite alternate;
}
.ambient__blob--1 { width: 46vw; height: 46vw; top: -14vw; inset-inline-start: -10vw; background: var(--glow-accent); }
.ambient__blob--2 { width: 40vw; height: 40vw; top: 22vh; inset-inline-end: -12vw; background: var(--glow-blue); animation-delay: -8s; }
.ambient__blob--3 { width: 34vw; height: 34vw; bottom: -8vw; inset-inline-start: 28vw; background: var(--glow-gold); animation-delay: -16s; }

@keyframes drift {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(3vw, 4vh, 0) scale(1.12); }
}

.page-shell { position: relative; z-index: 1; }

/* --------------------------------------------------------------------------
   Navigation — integrated with the hero at rest, floating glass on scroll.
   -------------------------------------------------------------------------- */
.nav {
    position: fixed;
    inset-inline: 0;
    top: 0;
    z-index: 100;
    transition: transform var(--dur-slow) var(--ease-out), padding var(--dur-slow) var(--ease-out);
    padding-block: 0.9rem;
}
.nav__inner {
    display: flex; align-items: center; gap: var(--space-5);
    padding: 0.55rem 0.7rem 0.55rem 0.9rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    background: transparent;
    transition: background-color var(--dur-slow) var(--ease-out),
                border-color var(--dur-slow) var(--ease-out),
                box-shadow var(--dur-slow) var(--ease-out);
}
.nav.is-stuck { padding-block: 0.55rem; }
.nav.is-stuck .nav__inner {
    background: var(--surface-glass);
    border-color: var(--border-soft);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
}
.nav.is-hidden { transform: translateY(-120%); }

.brand { display: inline-flex; align-items: center; gap: 0.65rem; flex: none; }
.brand__mark { width: 38px; height: 38px; transition: transform var(--dur-slow) var(--ease-out); }
.nav.is-stuck .brand__mark { transform: scale(0.88); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-size: 0.98rem; letter-spacing: -0.01em; }
.brand__text small { font-size: 0.66rem; color: var(--text-muted); letter-spacing: 0.04em; }

.nav__links { display: flex; align-items: center; gap: 0.15rem; margin-inline: auto; }
.nav__links a {
    position: relative;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-pill);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    transition: color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--text-primary); background: var(--surface-2); }

.nav__actions { display: flex; align-items: center; gap: 0.45rem; flex: none; }

.icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    color: var(--text-secondary);
    transition: color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out),
                border-color var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.icon-btn:hover { color: var(--text-primary); background: var(--surface-3); border-color: var(--border-medium); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn .lang-swap { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.02em; }

/* Theme toggle: the icon morphs rather than swapping instantly. */
.theme-toggle { position: relative; overflow: hidden; }
.theme-toggle .icon { position: absolute; transition: transform var(--dur-slow) var(--ease-spring), opacity var(--dur-base) var(--ease-out); }
.theme-toggle .icon--sun { transform: translateY(0) rotate(0deg); opacity: 1; }
.theme-toggle .icon--moon { transform: translateY(140%) rotate(-90deg); opacity: 0; }
[data-theme="light"] .theme-toggle .icon--sun { transform: translateY(-140%) rotate(90deg); opacity: 0; }
[data-theme="light"] .theme-toggle .icon--moon { transform: translateY(0) rotate(0deg); opacity: 1; }

.nav__burger { display: none; }

/* Mobile menu — a designed bottom sheet, not a dropdown list. */
.mobile-menu {
    position: fixed; inset: 0; z-index: 200;
    display: grid; align-items: end;
    background: rgba(3, 6, 11, 0.72);
    backdrop-filter: blur(8px);
    opacity: 0; visibility: hidden;
    transition: opacity var(--dur-base) var(--ease-out), visibility var(--dur-base);
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu__sheet {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-soft);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--space-5) var(--space-5) calc(var(--space-6) + env(safe-area-inset-bottom));
    transform: translateY(100%);
    transition: transform var(--dur-slow) var(--ease-out);
    max-height: 88vh; overflow-y: auto;
}
.mobile-menu.is-open .mobile-menu__sheet { transform: translateY(0); }
.mobile-menu__handle { width: 44px; height: 4px; border-radius: 2px; background: var(--border-strong); margin: 0 auto var(--space-5); }
.mobile-menu__links { display: grid; gap: 0.15rem; margin-bottom: var(--space-5); }
.mobile-menu__links a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.95rem 0.9rem;
    border-radius: var(--radius-md);
    font-size: 1.05rem; font-weight: 500;
    transition: background-color var(--dur-base) var(--ease-out);
}
.mobile-menu__links a:hover { background: var(--surface-2); }
.mobile-menu__links .icon { width: 16px; height: 16px; color: var(--text-muted); }
.mobile-menu__row { display: flex; gap: 0.6rem; margin-bottom: var(--space-4); }
.mobile-menu__row .btn { flex: 1; }

/* Thin market-line scroll progress. */
.scroll-progress {
    position: fixed; top: 0; inset-inline-start: 0;
    height: 2px; width: 0;
    background: linear-gradient(90deg, var(--accent), var(--gold));
    z-index: 150;
    transition: width 90ms linear;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: min(100svh, 900px);
    display: flex; align-items: center;
    padding-block: calc(var(--header-h) + 3rem) var(--space-8);
    overflow: hidden;
}
.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(2rem, 1rem + 4vw, 4.5rem);
}

.hero__badge {
    display: inline-flex; align-items: center; gap: 0.55rem;
    padding: 0.4rem 0.95rem;
    border-radius: var(--radius-pill);
    background: var(--surface-2);
    border: 1px solid var(--border-soft);
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
    backdrop-filter: blur(10px);
}
.hero__badge b { color: var(--accent); font-weight: 600; }
.hero__badge .pip {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--accent);
    animation: pulse 2.6s var(--ease-out) infinite;
}
@keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(18, 214, 160, 0.55); }
    70%  { box-shadow: 0 0 0 12px rgba(18, 214, 160, 0); }
    100% { box-shadow: 0 0 0 0 rgba(18, 214, 160, 0); }
}

.hero__title { font-size: var(--fs-hero); margin-bottom: var(--space-5); font-weight: 700; }
.hero__title span { display: block; }
.hero__lead { font-size: var(--fs-lead); color: var(--text-secondary); max-width: 54ch; margin-bottom: var(--space-6); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: var(--space-6); }

.hero__trust { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; }
.hero__trust li { display: inline-flex; align-items: center; gap: 0.45rem; font-size: var(--fs-xs); color: var(--text-muted); }
.hero__trust .icon { width: 15px; height: 15px; color: var(--accent); }

/* --- Hero visual: chart canvas + floating terminal + concept cards ------- */
.hero__visual { position: relative; aspect-ratio: 1 / 0.94; min-height: 360px; }
.hero__stage { position: absolute; inset: 0; perspective: 1400px; }
.hero__glow {
    position: absolute; inset: 6% 4%;
    background: radial-gradient(circle at var(--gx, 50%) var(--gy, 45%), var(--glow-accent), transparent 62%);
    filter: blur(38px);
}
.hero-canvas {
    position: absolute;
    inset-inline: 2%; top: 8%;
    width: 96%; height: 74%;
    border-radius: var(--radius-lg);
}

.hero__terminal {
    position: absolute;
    inset-inline-start: 4%; bottom: 4%;
    width: min(72%, 400px);
    border-radius: var(--radius-lg);
    padding: 0.9rem 1rem;
    box-shadow: var(--shadow-xl);
    transform: rotateY(calc(var(--dir-flip, 1) * -9deg)) rotateX(5deg);
}
.hero__terminal-head {
    display: flex; align-items: center; gap: 0.55rem;
    padding-bottom: 0.7rem; margin-bottom: 0.7rem;
    border-bottom: 1px solid var(--border-soft);
    font-size: var(--fs-xs); color: var(--text-secondary);
}
.hero__terminal-head .pip { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero__terminal-head .chip { margin-inline-start: auto; }
.hero__rows { display: grid; gap: 0.45rem; }
.hero__row { display: flex; align-items: center; justify-content: space-between; font-size: var(--fs-xs); }
.hero__row span { color: var(--text-muted); }
.hero__row b { font-family: var(--font-mono); color: var(--text-primary); }
.hero__bar { height: 4px; border-radius: 2px; background: var(--surface-3); overflow: hidden; margin-top: 0.15rem; }
.hero__bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--gold)); transition: width 1.4s var(--ease-out); }

/* Concept labels that attach to the chart. */
.hero__label {
    position: absolute;
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.38rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.7rem; font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}
.hero__label .dot { width: 6px; height: 6px; border-radius: 50%; }
.hero__label { max-width: 46%; }
.hero__label--1 { top: 4%;  inset-inline-end: 3%; }
.hero__label--2 { top: 26%; inset-inline-start: 3%; }
.hero__label--3 { top: 48%; inset-inline-end: 3%; }
.hero__label--4 { top: 86%; inset-inline-end: 6%; }
.hero__label--1 .dot { background: var(--accent); }
.hero__label--2 .dot { background: var(--blue); }
.hero__label--3 .dot { background: var(--gold); }
.hero__label--4 .dot { background: var(--violet); }

/* Ticker strip closing the hero. */
.ticker {
    position: relative;
    border-block: 1px solid var(--border-soft);
    background: var(--surface-1);
    overflow: hidden;
    padding-block: 0.7rem;
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.ticker__track { display: flex; gap: 2.5rem; width: max-content; animation: ticker 44s linear infinite; }
.ticker__item { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); }
.ticker__item b { color: var(--text-secondary); font-weight: 500; }
.ticker__item i { font-style: normal; font-size: 0.65rem; }
.ticker__item i.up { color: var(--accent); }
.ticker__item i.down { color: var(--danger); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
html[dir="rtl"] .ticker__track { animation-direction: reverse; }

/* --------------------------------------------------------------------------
   Trust strip
   -------------------------------------------------------------------------- */
.trust-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1px;
    background: var(--border-soft);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.trust-strip__item {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 1.15rem 1.25rem;
    background: var(--bg-primary);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    transition: background-color var(--dur-base) var(--ease-out);
}
.trust-strip__item:hover { background: var(--bg-secondary); }
.trust-strip__item .icon { width: 19px; height: 19px; color: var(--accent); flex: none; }

/* --------------------------------------------------------------------------
   Metrics
   -------------------------------------------------------------------------- */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: var(--space-4); }
.metric {
    position: relative;
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    background: var(--surface-1);
    border: 1px solid var(--border-soft);
    overflow: hidden;
    transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.metric:hover { border-color: var(--border-medium); transform: translateY(-3px); }
.metric__value { display: block; font-family: var(--font-mono); font-size: var(--fs-metric); font-weight: 500; line-height: 1; letter-spacing: -0.03em; }
.metric__label { display: block; margin-top: 0.5rem; font-size: var(--fs-sm); color: var(--text-muted); }
.metric__spark { position: absolute; inset-inline: 0; bottom: 0; height: 34px; opacity: 0.5; }
.metric__spark path { fill: none; stroke: var(--accent); stroke-width: 1.5; }

/* --------------------------------------------------------------------------
   Split section (copy + visual)
   -------------------------------------------------------------------------- */
.split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: clamp(2rem, 1rem + 4vw, 4.5rem);
    align-items: center;
}

.pillar-list { display: grid; gap: 0.9rem; margin-top: var(--space-6); }
.pillar {
    display: flex; gap: 0.9rem;
    padding: 1rem 1.15rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    transition: border-color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.pillar:hover, .pillar.is-active { border-color: rgba(18,214,160,0.34); background: var(--accent-wash); transform: translateX(calc(var(--dir-flip, 1) * 5px)); }
.pillar__icon {
    display: grid; place-items: center;
    width: 40px; height: 40px; flex: none;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    color: var(--accent);
    transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.pillar.is-active .pillar__icon { background: var(--accent); color: var(--accent-ink); }
.pillar h3 { font-size: 1rem; margin-bottom: 0.2rem; }
.pillar p { font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.6; }

/* --------------------------------------------------------------------------
   Learning path
   -------------------------------------------------------------------------- */
.path { position: relative; display: grid; gap: 0; margin-top: var(--space-7); }
.path__line {
    position: absolute;
    inset-inline-start: 27px; top: 0; bottom: 0;
    width: 2px;
    background: var(--border-soft);
}
.path__line i {
    position: absolute; inset-inline: 0; top: 0;
    height: var(--path-progress, 0%);
    background: linear-gradient(180deg, var(--accent), var(--gold));
    transition: height var(--dur-slow) var(--ease-out);
}
.path__step {
    position: relative;
    display: grid; grid-template-columns: 56px 1fr;
    gap: var(--space-4);
    padding-block: 1.05rem;
}
.path__dot {
    position: relative; z-index: 1;
    display: grid; place-items: center;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border-soft);
    font-family: var(--font-mono); font-size: var(--fs-xs);
    color: var(--text-muted);
    transition: border-color var(--dur-slow) var(--ease-out), color var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out);
}
.path__step.is-active .path__dot {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 0 6px var(--accent-wash);
}
.path__body { padding-top: 0.55rem; }
.path__body h3 { font-size: var(--fs-h3); margin-bottom: 0.3rem; transition: color var(--dur-base) var(--ease-out); }
.path__body p { color: var(--text-muted); font-size: var(--fs-sm); }
.path__step.is-active .path__body h3 { color: var(--accent); }

/* --------------------------------------------------------------------------
   Course cards
   -------------------------------------------------------------------------- */
.filter-pills { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: var(--space-6); }
.filter-pill {
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    transition: color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.filter-pill:hover { border-color: var(--border-medium); color: var(--text-primary); }
.filter-pill.is-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }

.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-5); }

.course-card {
    position: relative;
    display: flex; flex-direction: column;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    overflow: hidden;
    transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.course-card::before {
    /* Cursor-following highlight; --mx/--my are set by JS on pointer move. */
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(18,214,160,0.10), transparent 62%);
    opacity: 0; transition: opacity var(--dur-base) var(--ease-out);
    pointer-events: none; z-index: 1;
}
.course-card:hover { transform: translateY(-6px); border-color: var(--border-medium); box-shadow: var(--shadow-lg); }
.course-card:hover::before { opacity: 1; }
.course-card.is-hidden { display: none; }

.course-card__media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(140deg, var(--bg-elevated), var(--bg-secondary));
    overflow: hidden;
}
.course-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.course-card:hover .course-card__media img { transform: scale(1.06); }
.course-card__fallback {
    position: absolute; inset: 0;
    display: grid; place-items: center;
    color: var(--accent);
    background:
        radial-gradient(circle at 30% 20%, var(--accent-wash), transparent 60%),
        linear-gradient(160deg, var(--bg-elevated), var(--bg-secondary));
}
.course-card__fallback::before {
    content: "";
    position: absolute; inset: 0;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 26px 26px;
}
.course-card__fallback .icon { width: 40px; height: 40px; opacity: 0.55; position: relative; }
.course-card__tags { position: absolute; inset-inline-start: 0.8rem; top: 0.8rem; display: flex; gap: 0.35rem; z-index: 2; }

.course-card__body { padding: var(--space-5); display: flex; flex-direction: column; gap: 0.6rem; flex: 1; position: relative; z-index: 2; }
.course-card__body h3 { font-size: 1.08rem; line-height: 1.4; }
.course-card__body h3 a { transition: color var(--dur-base) var(--ease-out); }
.course-card:hover h3 a { color: var(--accent); }
.course-card__desc { font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.6; }
.course-card__meta { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; font-size: var(--fs-xs); color: var(--text-muted); margin-top: auto; }
.course-card__meta span { display: inline-flex; align-items: center; gap: 0.35rem; }
.course-card__meta .icon { width: 14px; height: 14px; }

.course-card__foot {
    display: flex; align-items: center; justify-content: space-between; gap: 0.8rem;
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-soft);
    position: relative; z-index: 2;
}
.price { display: flex; align-items: baseline; gap: 0.45rem; }
.price b { font-family: var(--font-mono); font-size: 1.14rem; }
.price s { font-size: var(--fs-xs); color: var(--text-muted); }
.price .free { color: var(--accent); }

/* One course may span two columns to anchor the grid. */
.course-card--featured { grid-column: span 2; }
.course-card--featured .course-card__media { aspect-ratio: 21 / 9; }
.course-card--featured .course-card__body h3 { font-size: var(--fs-h3); }

/* --------------------------------------------------------------------------
   Knowledge concepts
   -------------------------------------------------------------------------- */
.concepts { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-4); }
.concept {
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.concept:hover { border-color: var(--border-medium); transform: translateY(-4px); }
.concept__viz { height: 84px; margin-bottom: var(--space-4); }
.concept__viz svg { width: 100%; height: 100%; overflow: visible; }
.concept__viz path, .concept__viz line { fill: none; stroke-width: 1.6; }
.concept h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.concept p { font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.6; }

/* --------------------------------------------------------------------------
   Platform preview
   -------------------------------------------------------------------------- */
.preview-frame {
    position: relative;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}
.preview-frame__bar {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.7rem 0.95rem;
    border-bottom: 1px solid var(--border-soft);
    background: var(--surface-1);
}
.preview-frame__dots { display: flex; gap: 0.35rem; }
.preview-frame__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.preview-frame__url {
    flex: 1; text-align: center;
    font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-muted);
}
.preview-body { display: grid; grid-template-columns: 190px 1fr; min-height: 330px; }
.preview-side { border-inline-end: 1px solid var(--border-soft); padding: var(--space-4); display: grid; gap: 0.3rem; align-content: start; }
.preview-side__item {
    display: flex; align-items: center; gap: 0.55rem;
    padding: 0.55rem 0.7rem; border-radius: var(--radius-sm);
    font-size: var(--fs-xs); color: var(--text-muted);
}
.preview-side__item.is-active { background: var(--accent-wash); color: var(--accent); }
.preview-side__item .icon { width: 15px; height: 15px; }
.preview-main { padding: var(--space-5); display: grid; gap: var(--space-4); align-content: start; }
.preview-player {
    position: relative;
    aspect-ratio: 16 / 8;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-elevated));
    border: 1px solid var(--border-soft);
    display: grid; place-items: center;
}
.preview-player .play {
    width: 54px; height: 54px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--accent); color: var(--accent-ink);
    box-shadow: 0 0 0 10px var(--accent-wash);
}
.preview-progress { display: grid; gap: 0.4rem; }
.preview-progress__row { display: flex; justify-content: space-between; font-size: var(--fs-xs); color: var(--text-muted); }
.preview-progress__bar { height: 6px; border-radius: 3px; background: var(--surface-3); overflow: hidden; }
.preview-progress__bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--gold)); transition: width 1.6s var(--ease-out); }

/* Hotspots that name what the interface does. */
.hotspot {
    position: absolute;
    width: 26px; height: 26px;
    border-radius: 50%;
    display: grid; place-items: center;
    background: var(--accent); color: var(--accent-ink);
    font-size: 0.7rem; font-weight: 700;
    box-shadow: 0 0 0 6px var(--accent-wash);
    border: 0;
}
.hotspot__tip {
    position: absolute; top: 50%; inset-inline-start: calc(100% + 10px);
    transform: translateY(-50%) scale(0.9);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--surface-solid);
    border: 1px solid var(--border-soft);
    color: var(--text-primary);
    font-size: var(--fs-xs); font-weight: 500;
    white-space: nowrap;
    opacity: 0; pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
    box-shadow: var(--shadow-md);
}
.hotspot:hover .hotspot__tip, .hotspot:focus-visible .hotspot__tip { opacity: 1; transform: translateY(-50%) scale(1); }

/* --------------------------------------------------------------------------
   Instructors
   -------------------------------------------------------------------------- */
.instructor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: var(--space-5); }
.instructor {
    text-align: center;
    padding: var(--space-6) var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.instructor:hover { border-color: var(--border-medium); transform: translateY(-4px); }
.instructor__avatar {
    width: 86px; height: 86px; margin: 0 auto var(--space-4);
    border-radius: 50%;
    display: grid; place-items: center;
    background: linear-gradient(140deg, var(--accent-wash), var(--blue-wash));
    border: 1px solid var(--border-medium);
    font-family: var(--font-mono); font-size: 1.5rem; color: var(--accent);
    overflow: hidden;
}
.instructor__avatar img { width: 100%; height: 100%; object-fit: cover; }
.instructor h3 { font-size: 1.02rem; margin-bottom: 0.2rem; }
.instructor small { display: block; color: var(--accent); font-size: var(--fs-xs); margin-bottom: 0.7rem; }
.instructor p { font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.6; }

/* --------------------------------------------------------------------------
   Affiliate network
   -------------------------------------------------------------------------- */
.network { position: relative; display: grid; place-items: center; min-height: 340px; }
.network svg { width: 100%; height: auto; overflow: visible; }
.network__link { stroke: var(--border-medium); stroke-width: 1.2; fill: none; stroke-dasharray: 4 4; }
.network__pulse { fill: var(--accent); opacity: 0; }

.levels { display: grid; gap: 0.7rem; margin-top: var(--space-6); }
.level-row {
    display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem;
    padding: 0.9rem 1.15rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    transition: border-color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.level-row:hover { border-color: rgba(18,214,160,0.34); background: var(--accent-wash); }
.level-row__badge {
    display: grid; place-items: center;
    width: 34px; height: 34px; border-radius: var(--radius-sm);
    background: var(--surface-2); color: var(--accent);
    font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 600;
}
.level-row__name { font-size: var(--fs-sm); }
.level-row__name small { display: block; color: var(--text-muted); font-size: var(--fs-xs); }
.level-row__value { font-family: var(--font-mono); font-size: 1.1rem; color: var(--accent); }

.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: var(--space-6); }
.flow__step {
    display: inline-flex; align-items: center; gap: 0.45rem;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    font-size: var(--fs-xs); color: var(--text-secondary);
}
.flow__step .n { font-family: var(--font-mono); color: var(--accent); }
.flow__arrow { color: var(--text-muted); }
html[dir="rtl"] .flow__arrow { transform: scaleX(-1); }

.rules-note {
    margin-top: var(--space-5);
    padding: var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
}
.rules-note ul { display: grid; gap: 0.6rem; }
.rules-note li { display: flex; gap: 0.6rem; font-size: var(--fs-sm); color: var(--text-secondary); line-height: 1.6; }
.rules-note .icon { width: 16px; height: 16px; color: var(--accent); flex: none; margin-top: 0.35rem; }

/* --------------------------------------------------------------------------
   Certificate
   -------------------------------------------------------------------------- */
.cert-stage { perspective: 1200px; display: grid; place-items: center; padding-block: var(--space-5); }
.cert {
    width: min(100%, 470px);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: linear-gradient(150deg, var(--bg-elevated), var(--bg-secondary));
    border: 1px solid var(--border-medium);
    box-shadow: var(--shadow-xl);
    text-align: center;
    transform: rotateX(9deg) rotateY(calc(var(--dir-flip, 1) * -7deg));
    transition: transform var(--dur-slow) var(--ease-out);
}
.cert:hover { transform: rotateX(0deg) rotateY(0deg); }
.cert__seal {
    width: 58px; height: 58px; margin: 0 auto var(--space-4);
    border-radius: 50%;
    display: grid; place-items: center;
    background: linear-gradient(140deg, var(--gold-soft), var(--gold));
    color: #2A1D05;
    box-shadow: 0 0 0 8px var(--gold-wash);
}
.cert__label { font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: var(--ls-label); text-transform: uppercase; }
.cert__name { font-size: var(--fs-h3); margin: 0.35rem 0 var(--space-4); }
.cert__course { font-size: var(--fs-sm); color: var(--accent); margin-bottom: var(--space-5); }
.cert__foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: var(--space-4); border-top: 1px solid var(--border-soft); }
.cert__id { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); text-align: start; }
.cert__qr { width: 54px; height: 54px; border-radius: var(--radius-xs); background: #FFF; padding: 4px; flex: none; }
.cert__qr svg { width: 100%; height: 100%; }

.verify-box { display: flex; gap: 0.5rem; margin-top: var(--space-5); }
.verify-box input {
    flex: 1; min-width: 0;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    color: var(--text-primary);
    font-family: var(--font-mono); font-size: var(--fs-sm);
}
.verify-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }

/* --------------------------------------------------------------------------
   Testimonials — depth carousel
   -------------------------------------------------------------------------- */
.testimonial-stage { position: relative; min-height: 340px; display: grid; place-items: center; perspective: 1200px; }
.testimonial {
    position: absolute; inset-inline: 0;
    width: min(100%, 620px); margin-inline: auto;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: var(--surface-glass);
    border: 1px solid var(--border-soft);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-slow) var(--ease-out), filter var(--dur-slow) var(--ease-out);
    opacity: 0; transform: translateY(40px) scale(0.9); filter: blur(6px);
    pointer-events: none;
}
.testimonial.is-current { opacity: 1; transform: translateY(0) scale(1); filter: none; pointer-events: auto; z-index: 3; }
.testimonial.is-prev { opacity: 0.32; transform: translateY(-26px) scale(0.9); filter: blur(3px); z-index: 2; }
.testimonial.is-next { opacity: 0.32; transform: translateY(26px) scale(0.9); filter: blur(3px); z-index: 2; }
.testimonial blockquote { font-size: var(--fs-lead); line-height: 1.75; margin: var(--space-4) 0; }
.testimonial__stars { display: inline-flex; gap: 0.15rem; }
.testimonial__stars .icon { width: 16px; height: 16px; color: var(--border-strong); }
.testimonial__stars .icon.is-on { color: var(--gold); fill: var(--gold); }
.testimonial__who { display: flex; align-items: center; justify-content: center; gap: 0.7rem; margin-top: var(--space-4); }
.testimonial__avatar {
    width: 42px; height: 42px; border-radius: 50%; flex: none;
    display: grid; place-items: center;
    background: var(--accent-wash); color: var(--accent);
    font-family: var(--font-mono); font-size: var(--fs-sm);
}
.testimonial__who strong { display: block; font-size: var(--fs-sm); }
.testimonial__who small { color: var(--text-muted); font-size: var(--fs-xs); }
.testimonial-nav { display: flex; justify-content: center; gap: 0.5rem; margin-top: var(--space-5); }
.testimonial-nav button {
    width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%;
    background: var(--border-strong);
    transition: width var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out), border-radius var(--dur-base) var(--ease-out);
}
.testimonial-nav button.is-active { width: 26px; border-radius: 4px; background: var(--accent); }

/* --------------------------------------------------------------------------
   Bento features
   -------------------------------------------------------------------------- */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.bento__card {
    position: relative;
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    overflow: hidden;
    transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
    display: flex; flex-direction: column; gap: 0.6rem;
}
.bento__card:hover { border-color: var(--border-medium); transform: translateY(-4px); }
.bento__card h3 { font-size: 1.02rem; }
.bento__card p { font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.6; }
.bento__card .icon-badge {
    display: grid; place-items: center;
    width: 38px; height: 38px; border-radius: var(--radius-sm);
    background: var(--surface-2); color: var(--accent);
    margin-bottom: 0.2rem;
}
.bento__card--wide { grid-column: span 2; }
.bento__card--tall { grid-row: span 2; }
.bento__viz { margin-top: auto; padding-top: var(--space-4); }
.bento__viz svg { width: 100%; height: 70px; overflow: visible; }
.bento__viz path { fill: none; stroke: var(--accent); stroke-width: 1.6; }

.ring { width: 92px; height: 92px; margin-inline: auto; display: block; }
.ring circle { fill: none; stroke-width: 7; }
.ring .ring__track { stroke: var(--surface-3); }
.ring .ring__value { stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset 1.8s var(--ease-out); }
.ring__text { font-family: var(--font-mono); font-size: 15px; fill: var(--text-primary); }

/* --------------------------------------------------------------------------
   Security + FAQ
   -------------------------------------------------------------------------- */
.security-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--space-4); }
.security-item {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 1rem 1.15rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}
.security-item .icon { width: 18px; height: 18px; color: var(--accent); flex: none; }

.faq { display: grid; gap: 0.6rem; }
.faq__item {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    overflow: hidden;
    transition: border-color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.faq__item[open] { border-color: var(--border-medium); background: var(--surface-2); }
.faq__item summary {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 1.15rem 1.35rem;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary .icon {
    transition: transform var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
    color: var(--text-muted); flex: none;
    transform: rotate(90deg);
}
.faq__item[open] summary .icon { transform: rotate(-90deg); color: var(--accent); }
.faq__answer { padding: 0 1.35rem 1.25rem; color: var(--text-muted); font-size: var(--fs-sm); line-height: 1.75; }

/* --------------------------------------------------------------------------
   Risk disclosure + final CTA
   -------------------------------------------------------------------------- */
.risk {
    display: flex; gap: 0.9rem;
    padding: var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
}
.risk .icon { width: 20px; height: 20px; color: var(--gold); flex: none; margin-top: 0.3rem; }
.risk p { font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.75; }
.risk strong { color: var(--text-secondary); }

.final-cta {
    position: relative;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-soft);
    background: linear-gradient(150deg, var(--bg-elevated), var(--bg-secondary));
    padding: clamp(2.5rem, 1.5rem + 4vw, 5rem);
    overflow: hidden;
    text-align: center;
}
.final-cta__grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000, transparent 72%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000, transparent 72%);
}
.final-cta__chart { position: absolute; inset-inline: 0; bottom: 0; height: 42%; opacity: 0.5; }
.final-cta__chart path { fill: none; stroke: var(--accent); stroke-width: 1.6; }
.final-cta__content { position: relative; z-index: 1; }
.final-cta h2 { font-size: var(--fs-h1); margin-bottom: var(--space-4); }
.final-cta p { color: var(--text-secondary); font-size: var(--fs-lead); max-width: 56ch; margin: 0 auto var(--space-6); }
.final-cta .hero__cta { justify-content: center; margin-bottom: 0; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    position: relative;
    margin-top: var(--space-8);
    border-top: 1px solid var(--border-soft);
    background: var(--bg-secondary);
    overflow: hidden;
}
.footer__monogram {
    position: absolute; bottom: 0; inset-inline-end: 4%;
    font-size: clamp(9rem, 22vw, 20rem);
    font-weight: 800;
    line-height: 0.78;
    color: var(--text-primary);
    opacity: 0.028;
    pointer-events: none;
    user-select: none;
}
.footer__grid {
    position: relative; z-index: 1;
    display: grid;
    grid-template-columns: minmax(240px, 1.6fr) repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-6);
    padding-block: var(--space-8) var(--space-6);
}
.footer__brand p { font-size: var(--fs-sm); color: var(--text-muted); margin: var(--space-4) 0; max-width: 40ch; line-height: 1.7; }
.footer__col h4 { font-size: var(--fs-xs); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--text-muted); margin-bottom: var(--space-4); }
.footer__col a { display: block; padding-block: 0.35rem; font-size: var(--fs-sm); color: var(--text-secondary); transition: color var(--dur-base) var(--ease-out); }
.footer__col a:hover { color: var(--accent); }

.newsletter { display: flex; gap: 0.5rem; max-width: 380px; }
.newsletter input {
    flex: 1; min-width: 0;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-soft);
    background: var(--surface-1);
    color: var(--text-primary);
    font-size: var(--fs-sm); font-family: inherit;
}
.newsletter input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }

.footer__legal {
    position: relative; z-index: 1;
    padding-block: var(--space-5);
    border-top: 1px solid var(--border-soft);
}
.footer__legal p { font-size: var(--fs-xs); color: var(--text-muted); line-height: 1.7; }
.footer__bottom {
    position: relative; z-index: 1;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
    padding-block: var(--space-5);
    border-top: 1px solid var(--border-soft);
    font-size: var(--fs-xs); color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Sticky mobile CTA + cursor + toasts + loader
   -------------------------------------------------------------------------- */
.sticky-cta {
    position: fixed;
    inset-inline: 0.85rem; bottom: 0.85rem;
    z-index: 90;
    display: none;
    transform: translateY(160%);
    transition: transform var(--dur-slow) var(--ease-out);
    padding-bottom: env(safe-area-inset-bottom);
}
.sticky-cta.is-visible { transform: translateY(0); }

.cursor {
    position: fixed; top: 0; left: 0;
    width: 26px; height: 26px;
    border: 1px solid var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 300;
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: width var(--dur-base) var(--ease-out), height var(--dur-base) var(--ease-out),
                opacity var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.cursor.is-active { opacity: 0.8; }
.cursor.is-hover { width: 46px; height: 46px; background: var(--accent-wash); }

.toast-stack { position: fixed; bottom: 1.2rem; inset-inline-end: 1.2rem; z-index: 400; display: grid; gap: 0.6rem; }
.toast {
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-md);
    background: var(--surface-solid);
    border: 1px solid var(--border-medium);
    box-shadow: var(--shadow-lg);
    font-size: var(--fs-sm);
    animation: toast-in var(--dur-slow) var(--ease-out);
}
@keyframes toast-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.loader {
    position: fixed; inset: 0; z-index: 500;
    display: grid; place-items: center;
    background: var(--bg-primary);
    transition: opacity var(--dur-slow) var(--ease-out), visibility var(--dur-slow);
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader svg { width: 92px; height: 92px; }
.loader path { fill: none; stroke: var(--accent); stroke-width: 2; }

/* --------------------------------------------------------------------------
   Responsive — each breakpoint is designed, not merely shrunk.
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
    .bento { grid-template-columns: repeat(2, 1fr); }
    .bento__card--tall { grid-row: span 1; }
    .course-card--featured { grid-column: span 1; }
    .course-card--featured .course-card__media { aspect-ratio: 16 / 9; }
}

@media (max-width: 900px) {
    .nav__links { display: none; }
    .nav__burger { display: inline-flex; }
    .nav-hide-sm { display: none !important; }
    /* Keep the bar on one line: the tagline is decoration, the controls are not. */
    .nav__inner { gap: 0.5rem; padding-inline: 0.75rem; }
    .brand__text small { display: none; }
    .nav__actions { gap: 0.3rem; }
    .icon-btn { width: 36px; height: 36px; }

    .hero { min-height: auto; padding-block: calc(var(--header-h) + 1.5rem) var(--space-7); }
    .hero__inner { grid-template-columns: 1fr; gap: var(--space-7); }
    /* Mobile hero is re-ordered: copy and CTA first, visual as supporting proof. */
    .hero__copy { order: 1; }
    .hero__visual { order: 2; aspect-ratio: 1 / 0.8; min-height: 300px; }
    .hero__terminal { width: min(80%, 330px); }

    .preview-body { grid-template-columns: 1fr; }
    .preview-side { display: none; }
    .sticky-cta { display: block; }
}

@media (max-width: 640px) {
    .bento { grid-template-columns: 1fr; }
    .bento__card--wide { grid-column: span 1; }
    .course-grid { grid-template-columns: 1fr; }
    .hero__label--2, .hero__label--4 { display: none; }
    .hero__visual { min-height: 260px; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: 1 / -1; }
    .path__step { grid-template-columns: 44px 1fr; }
    .path__dot { width: 44px; height: 44px; }
    .path__line { inset-inline-start: 21px; }
    .testimonial { padding: var(--space-5); }
}

/* Ultrawide: let backgrounds run edge to edge but keep the reading measure sane. */
@media (min-width: 1800px) {
    :root { --container: 1360px; }
}

/* Coarse pointers get no cursor effects and no hover-dependent tooltips. */
@media (hover: none), (pointer: coarse) {
    .cursor { display: none; }
    .hotspot__tip { opacity: 1; transform: none; position: static; margin-top: 0.4rem; }
}

@media print {
    .nav, .ambient, .sticky-cta, .cursor, .loader, .scroll-progress { display: none !important; }
}