/* Landing page — matches panel theme (dark indigo/violet) */

.landing-page {
    --lp-bg: #0a0a0d;
    --lp-surface: #12121a;
    --lp-surface-2: #18181f;
    --lp-border: rgba(255, 255, 255, 0.08);
    --lp-border-strong: rgba(255, 255, 255, 0.12);
    --lp-text: #e4e4e7;
    --lp-muted: #a1a1aa;
    --lp-dim: #71717a;
    --lp-primary: #6366f1;
    --lp-primary-light: #818cf8;
    --lp-accent: #8b5cf6;
    --lp-success: #22c55e;
    --lp-max: 1200px;
    --lp-header: 72px;
    --lp-radius: 14px;
    --lp-radius-lg: 20px;
    --lp-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
    --lp-glow: 0 0 80px rgba(99, 102, 241, 0.15);

    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--lp-text);
    background: var(--lp-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.landing-page *,
.landing-page *::before,
.landing-page *::after {
    box-sizing: border-box;
}

.landing-page a {
    color: inherit;
    text-decoration: none;
}

.landing-page img {
    max-width: 100%;
    height: auto;
    display: block;
}

.landing-page .lp-container {
    width: min(100% - 2rem, var(--lp-max));
    margin-inline: auto;
}

/* Background */
.lp-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.lp-bg__mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.22), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 20%, rgba(139, 92, 246, 0.12), transparent 50%),
        radial-gradient(ellipse 50% 30% at 0% 80%, rgba(99, 102, 241, 0.08), transparent 45%),
        var(--lp-bg);
}

.lp-bg__grid {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}

.lp-shell {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.lp-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--lp-header);
    border-bottom: 1px solid transparent;
    transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}

.lp-header.is-scrolled {
    background: rgba(10, 10, 13, 0.82);
    backdrop-filter: blur(16px);
    border-bottom-color: var(--lp-border);
}

.lp-header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.lp-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
}

.lp-logo img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.lp-logo__text {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #fff;
}

.lp-logo__text span {
    color: var(--lp-primary-light);
}

.lp-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.lp-nav a {
    display: block;
    padding: 0.5rem 0.85rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--lp-muted);
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

.lp-nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.lp-header__actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.lp-lang {
    display: flex;
    gap: 2px;
    padding: 3px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--lp-border);
    border-radius: 999px;
}

.lp-lang button {
    border: 0;
    background: transparent;
    color: var(--lp-dim);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.35rem 0.55rem;
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
}

.lp-lang button.is-active,
.lp-lang button:hover {
    color: #fff;
    background: rgba(99, 102, 241, 0.35);
}

.lp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.6rem 1.15rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
    white-space: nowrap;
}

.lp-btn:hover {
    transform: translateY(-1px);
}

.lp-btn--ghost {
    color: var(--lp-text);
    background: transparent;
    border-color: var(--lp-border-strong);
}

.lp-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.lp-btn--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--lp-primary) 0%, var(--lp-accent) 100%);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.lp-btn--primary:hover {
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.45);
}

.lp-btn--lg {
    padding: 0.85rem 1.5rem;
    font-size: 1rem;
    border-radius: 12px;
}

.lp-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--lp-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--lp-text);
    cursor: pointer;
}

/* Mobile nav */
.lp-mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
}

.lp-mobile-nav.is-open {
    opacity: 1;
    visibility: visible;
}

.lp-mobile-nav__panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(320px, 100%);
    height: 100%;
    background: var(--lp-surface);
    border-left: 1px solid var(--lp-border);
    padding: 1.25rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lp-mobile-nav.is-open .lp-mobile-nav__panel {
    transform: translateX(0);
}

.lp-mobile-nav__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lp-mobile-nav__close {
    width: 40px;
    height: 40px;
    border: 1px solid var(--lp-border);
    border-radius: 10px;
    background: transparent;
    color: var(--lp-text);
    cursor: pointer;
}

.lp-mobile-nav__links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.lp-mobile-nav__links a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-weight: 500;
    color: var(--lp-muted);
}

.lp-mobile-nav__links a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.lp-mobile-nav__cta {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.lp-mobile-nav__cta .lp-btn {
    width: 100%;
}

/* Hero */
.lp-hero {
    padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(3rem, 6vw, 4rem);
}

.lp-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.lp-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem 0.35rem 0.5rem;
    margin-bottom: 1.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--lp-primary-light);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 999px;
}

.lp-badge__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--lp-success);
    box-shadow: 0 0 12px var(--lp-success);
    animation: lp-pulse 2s ease infinite;
}

@keyframes lp-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.lp-hero__title {
    margin: 0 0 1rem;
    font-size: clamp(2.25rem, 5vw, 3.35rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: #fff;
}

.lp-hero__title em {
    font-style: normal;
    background: linear-gradient(135deg, var(--lp-primary-light) 0%, var(--lp-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.lp-hero__desc {
    margin: 0 0 1.75rem;
    max-width: 32rem;
    font-size: 1.05rem;
    color: var(--lp-muted);
}

.lp-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Mock panel */
.lp-mock {
    position: relative;
    border-radius: var(--lp-radius-lg);
    background: linear-gradient(145deg, rgba(24, 24, 31, 0.95) 0%, rgba(18, 18, 26, 0.98) 100%);
    border: 1px solid var(--lp-border-strong);
    box-shadow: var(--lp-shadow), var(--lp-glow);
    overflow: hidden;
}

.lp-mock::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.4), transparent 40%, rgba(139, 92, 246, 0.25));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.lp-mock__bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--lp-border);
    background: rgba(0, 0, 0, 0.25);
}

.lp-mock__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
}

.lp-mock__dot--r { background: #ef4444; opacity: 0.85; }
.lp-mock__dot--y { background: #f59e0b; opacity: 0.85; }
.lp-mock__dot--g { background: #22c55e; opacity: 0.85; }

.lp-mock__body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lp-mock__tabs {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 10px;
    width: fit-content;
}

.lp-mock__tab {
    padding: 0.4rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--lp-dim);
    border-radius: 7px;
}

.lp-mock__tab.is-active {
    color: #fff;
    background: rgba(99, 102, 241, 0.35);
}

.lp-mock__field label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--lp-dim);
    margin-bottom: 0.35rem;
}

.lp-mock__input {
    height: 38px;
    padding: 0 0.75rem;
    display: flex;
    align-items: center;
    font-size: 0.82rem;
    color: var(--lp-muted);
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--lp-border);
    border-radius: 8px;
    font-family: ui-monospace, 'Cascadia Code', monospace;
}

.lp-mock__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.lp-mock__meter {
    height: 6px;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 999px;
    overflow: hidden;
}

.lp-mock__meter span {
    display: block;
    height: 100%;
    width: 62%;
    background: linear-gradient(90deg, var(--lp-primary), var(--lp-accent));
    border-radius: inherit;
}

.lp-mock__btn {
    margin-top: 0.25rem;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--lp-primary), var(--lp-accent));
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

/* Stats */
.lp-stats {
    padding: 0 0 3rem;
}

.lp-stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.lp-stat {
    padding: 1.25rem 1.35rem;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
    transition: border-color 0.2s, transform 0.2s;
}

.lp-stat:hover {
    border-color: rgba(99, 102, 241, 0.35);
    transform: translateY(-2px);
}

.lp-stat__value {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.lp-stat__label {
    font-size: 0.85rem;
    color: var(--lp-dim);
}

/* Sections */
.lp-section {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.lp-section__head {
    text-align: center;
    max-width: 40rem;
    margin: 0 auto 2.75rem;
}

.lp-section__head h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.75rem, 3.5vw, 2.35rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #fff;
}

.lp-section__head p {
    margin: 0;
    color: var(--lp-muted);
    font-size: 1.05rem;
}

/* Features */
.lp-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.lp-feature {
    padding: 1.5rem;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.lp-feature:hover {
    border-color: rgba(99, 102, 241, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.lp-feature__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--lp-primary-light);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
}

.lp-feature h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.lp-feature p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--lp-muted);
    line-height: 1.55;
}

/* How it works */
.lp-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    counter-reset: lp-step;
}

.lp-step {
    position: relative;
    padding: 1.5rem 1.5rem 1.5rem 1.35rem;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
}

.lp-step::before {
    counter-increment: lp-step;
    content: counter(lp-step, decimal-leading-zero);
    display: block;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--lp-primary-light), var(--lp-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: 0.9;
}

.lp-step h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.lp-step p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--lp-muted);
}

/* About */
.lp-about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
}

.lp-about h2 {
    margin: 0 0 1rem;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
}

.lp-about__text p {
    margin: 0 0 1rem;
    color: var(--lp-muted);
}

.lp-about__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lp-about__list li {
    display: flex;
    gap: 1rem;
    padding: 1.15rem;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
}

.lp-about__list i {
    flex-shrink: 0;
    margin-top: 0.15rem;
    color: var(--lp-success);
    font-size: 1.1rem;
}

.lp-about__list h4 {
    margin: 0 0 0.35rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}

.lp-about__list p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--lp-muted);
}

/* CTA */
.lp-cta {
    margin: 0 0 3rem;
}

.lp-cta__inner {
    padding: clamp(2rem, 5vw, 3rem);
    text-align: center;
    border-radius: var(--lp-radius-lg);
    background:
        linear-gradient(135deg, rgba(99, 102, 241, 0.18) 0%, rgba(139, 92, 246, 0.12) 100%),
        var(--lp-surface);
    border: 1px solid rgba(99, 102, 241, 0.25);
    box-shadow: var(--lp-glow);
}

.lp-cta__inner h2 {
    margin: 0 0 0.65rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: #fff;
}

.lp-cta__inner p {
    margin: 0 auto 1.5rem;
    max-width: 36rem;
    color: var(--lp-muted);
}

/* Footer */
.lp-footer {
    margin-top: auto;
    padding: 2.5rem 0 1.5rem;
    border-top: 1px solid var(--lp-border);
    background: rgba(0, 0, 0, 0.25);
}

.lp-footer__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

.lp-footer__brand p {
    margin: 1rem 0 0;
    max-width: 22rem;
    font-size: 0.9rem;
    color: var(--lp-dim);
}

.lp-footer__social {
    display: flex;
    gap: 0.65rem;
    margin-top: 1.25rem;
}

.lp-footer__social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: var(--lp-muted);
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    transition: color 0.2s, border-color 0.2s, transform 0.2s;
}

.lp-footer__social a:hover {
    color: #fff;
    border-color: rgba(99, 102, 241, 0.45);
    transform: translateY(-2px);
}

.lp-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
}

.lp-footer__links a {
    font-size: 0.9rem;
    color: var(--lp-muted);
}

.lp-footer__links a:hover {
    color: #fff;
}

.lp-footer__bottom {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--lp-border);
    text-align: center;
    font-size: 0.85rem;
    color: var(--lp-dim);
}

/* Scroll top */
.lp-scroll-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 90;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--lp-border-strong);
    border-radius: 12px;
    background: var(--lp-surface);
    color: var(--lp-text);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s, visibility 0.25s, transform 0.25s, border-color 0.2s;
}

.lp-scroll-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lp-scroll-top:hover {
    border-color: rgba(99, 102, 241, 0.5);
    color: #fff;
}

/* Reveal animation */
.lp-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.lp-reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* Responsive */
@media (max-width: 992px) {
    .lp-nav,
    .lp-header__actions .lp-btn--ghost,
    .lp-header__actions .lp-btn--primary {
        display: none;
    }

    .lp-menu-toggle {
        display: flex;
    }

    .lp-hero__grid,
    .lp-about {
        grid-template-columns: 1fr;
    }

    .lp-mock {
        order: -1;
        max-width: 28rem;
        margin-inline: auto;
    }

    .lp-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .lp-stats__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .lp-features,
    .lp-steps,
    .lp-stats__grid {
        grid-template-columns: 1fr;
    }

    .lp-header__actions .lp-lang {
        display: none;
    }

    .lp-hero__actions {
        flex-direction: column;
    }

    .lp-hero__actions .lp-btn {
        width: 100%;
    }

    .lp-mock__row {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lp-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .lp-badge__dot {
        animation: none;
    }
}