/* Landing page — dark theme, accessible, all ages */

.landing-page {
    --lp-bg: #050508;
    --lp-bg-elevated: #0f0f14;
    --lp-surface: #16161d;
    --lp-border: rgba(255, 255, 255, 0.08);
    --lp-text: #f4f4f5;
    --lp-muted: #a1a1aa;
    --lp-primary: #2196f3;
    --lp-primary-glow: rgba(33, 150, 243, 0.35);
    --lp-accent: #8b5cf6;
    --lp-success: #4ade80;
    --lp-radius: 14px;
    --lp-max: 1140px;

    background: var(--lp-bg);
    color: var(--lp-text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
}

.landing-page a {
    color: var(--lp-primary);
}

.landing-page a:hover {
    color: #64b5f6;
}

/* Subtle grid background */
.landing-page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(33, 150, 243, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(139, 92, 246, 0.08), transparent),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
    z-index: 0;
}

.landing-page > * {
    position: relative;
    z-index: 1;
}

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

/* Header */
.lp-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--lp-border);
    background: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(12px);
}

.lp-header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
}

.lp-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--lp-text);
    text-decoration: none;
}

.lp-brand:hover {
    color: var(--lp-text);
}

.lp-logo-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: conic-gradient(from 180deg, #f59e0b, #ef4444, #8b5cf6, #3b82f6, #10b981, #f59e0b);
}

.lp-nav-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
}

.lp-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25;
    color: var(--lp-muted);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--lp-border);
    border-radius: 999px;
    transition: color 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.lp-nav-btn:hover {
    color: var(--lp-text);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
}

.lp-nav-btn:focus-visible {
    outline: 2px solid var(--lp-primary);
    outline-offset: 2px;
}

.lp-nav-btn--primary {
    color: #fff;
    background: var(--lp-primary);
    border-color: transparent;
    box-shadow: 0 4px 16px var(--lp-primary-glow);
}

.lp-nav-btn--primary:hover {
    color: #fff;
    background: #1e88e5;
    border-color: transparent;
    box-shadow: 0 6px 20px var(--lp-primary-glow);
}

.landing-page a.lp-nav-btn--primary,
.landing-page a.lp-nav-btn--primary:hover {
    color: #fff;
}

.lp-nav-btn--primary svg {
    fill: #fff;
    color: #fff;
    transition: transform 0.2s;
}

.lp-nav-btn--primary:hover svg {
    fill: #fff;
    color: #fff;
    transform: translateX(2px);
}

.lp-back-home {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.95rem 0.45rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--lp-muted);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--lp-border);
    border-radius: 999px;
    transition: color 0.2s, background 0.2s, border-color 0.2s, transform 0.15s;
}

.lp-back-home:hover {
    color: var(--lp-text);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
}

.lp-back-home:focus-visible {
    outline: 2px solid var(--lp-primary);
    outline-offset: 2px;
}

.lp-back-home-icon {
    flex-shrink: 0;
    opacity: 0.85;
    transition: transform 0.2s;
}

.lp-back-home:hover .lp-back-home-icon {
    transform: translateX(-3px);
    opacity: 1;
}

.landing-page .btn-outline-primary {
    color: var(--lp-text);
    border-color: rgba(255, 255, 255, 0.25);
    background: transparent;
}

.landing-page .btn-outline-primary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.35);
    color: var(--lp-text);
}

.landing-page .btn-primary {
    box-shadow: 0 4px 20px var(--lp-primary-glow);
}

/* Hero */
.lp-hero {
    padding: 3.5rem 0 4rem;
    text-align: center;
}

.lp-hero-badge {
    display: inline-block;
    margin-bottom: 1.25rem;
    padding: 0.35rem 0.9rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #93c5fd;
    background: rgba(33, 150, 243, 0.12);
    border: 1px solid rgba(33, 150, 243, 0.25);
    border-radius: 999px;
}

.lp-hero-title {
    margin: 0 auto 1.25rem;
    max-width: 18ch;
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.lp-hero-lead {
    margin: 0 auto 2rem;
    max-width: 42rem;
    font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
    color: var(--lp-muted);
    line-height: 1.65;
}

.lp-hero-cta {
    margin-bottom: 2.5rem;
}

.lp-hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.lp-hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.25;
    text-decoration: none;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: color 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.lp-hero-btn:focus-visible {
    outline: 2px solid var(--lp-primary);
    outline-offset: 3px;
}

.landing-page a.lp-hero-btn--primary,
.landing-page a.lp-hero-btn--primary:hover {
    color: #fff;
}

.lp-hero-btn--primary {
    background: var(--lp-primary);
    border-color: transparent;
    box-shadow: 0 6px 28px var(--lp-primary-glow);
}

.lp-hero-btn--primary:hover {
    color: #fff;
    background: #1e88e5;
    box-shadow: 0 8px 32px var(--lp-primary-glow);
    transform: translateY(-1px);
}

.lp-hero-btn--primary .lp-hero-btn-icon {
    fill: #fff;
    color: #fff;
    transition: transform 0.2s;
}

.lp-hero-btn--primary:hover .lp-hero-btn-icon {
    transform: translateX(3px);
}

.landing-page a.lp-hero-btn--ghost,
.landing-page a.lp-hero-btn--ghost:hover {
    color: var(--lp-text);
}

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

.lp-hero-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.32);
    transform: translateY(-1px);
}

.lp-hero-note {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0 auto;
    padding: 0.5rem 1rem;
    max-width: 28rem;
    font-size: 0.875rem;
    color: var(--lp-muted);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--lp-border);
    border-radius: 999px;
}

.lp-hero-note-icon {
    flex-shrink: 0;
    color: var(--lp-primary);
}

.lp-hero-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 720px;
    margin: 0 auto;
}

@media (max-width: 575.98px) {
    .lp-hero-visual {
        grid-template-columns: 1fr;
    }
}

.lp-hero-card {
    padding: 1.25rem;
    text-align: left;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
}

.lp-hero-card-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    background: var(--lp-primary);
    border-radius: 8px;
}

.lp-hero-card h3 {
    margin: 0 0 0.35rem;
    font-size: 1rem;
    font-weight: 600;
}

.lp-hero-card p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--lp-muted);
}

/* Sections */
.lp-section {
    padding: 4rem 0;
}

.lp-section--alt {
    background: var(--lp-bg-elevated);
    border-block: 1px solid var(--lp-border);
}

.lp-section-head {
    text-align: center;
    max-width: 40rem;
    margin: 0 auto 2.5rem;
}

.lp-eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lp-primary);
}

.lp-section-title {
    margin: 0 0 0.75rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 1.25;
}

.lp-section-lead {
    margin: 0;
    font-size: 1.0625rem;
    color: var(--lp-muted);
}

/* Feature grid */
.lp-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.lp-feature {
    padding: 1.5rem;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.lp-feature:hover {
    border-color: rgba(33, 150, 243, 0.35);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.lp-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    border-radius: 12px;
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.15);
}

.lp-feature-icon--purple {
    color: #c4b5fd;
    background: rgba(139, 92, 246, 0.15);
}

.lp-feature-icon--green {
    color: #4ade80;
    background: rgba(34, 197, 94, 0.15);
}

.lp-feature-icon--amber {
    color: #fbbf24;
    background: rgba(245, 158, 11, 0.15);
}

.lp-feature h3 {
    margin: 0 0 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.lp-feature p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--lp-muted);
}

/* Steps */
.lp-steps {
    display: grid;
    gap: 1rem;
    counter-reset: lp-step;
}

.lp-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.25rem;
    align-items: start;
    padding: 1.35rem 1.5rem;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
}

@media (min-width: 768px) {
    .lp-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

.lp-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--lp-primary), var(--lp-accent));
    border-radius: 12px;
}

.lp-step h3 {
    margin: 0 0 0.35rem;
    font-size: 1.0625rem;
    font-weight: 600;
}

.lp-step p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--lp-muted);
}

/* Audience */
.lp-audience {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.lp-audience-item {
    padding: 1.25rem;
    text-align: center;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
}

.lp-audience-item strong {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

.lp-audience-item span {
    font-size: 0.875rem;
    color: var(--lp-muted);
}

/* Pricing */
.lp-pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

.lp-pricing-card {
    padding: 1.75rem;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
}

.lp-pricing-card--highlight {
    border-color: rgba(33, 150, 243, 0.45);
    box-shadow: 0 0 0 1px rgba(33, 150, 243, 0.2), 0 16px 48px var(--lp-primary-glow);
}

.lp-pricing-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

.lp-pricing-card .lp-price {
    margin: 0 0 1rem;
    font-size: 2rem;
    font-weight: 800;
    color: var(--lp-text);
}

.lp-pricing-card .lp-price small {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--lp-muted);
}

.lp-pricing-list {
    margin: 0 0 1.25rem;
    padding: 0;
    list-style: none;
}

.lp-pricing-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    color: var(--lp-muted);
}

.lp-pricing-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--lp-success);
    font-weight: 700;
}

/* FAQ */
.lp-faq {
    max-width: 720px;
    margin: 0 auto;
}

.lp-faq-item {
    border-bottom: 1px solid var(--lp-border);
}

.lp-faq-item:first-child {
    border-top: 1px solid var(--lp-border);
}

.lp-faq-item summary {
    padding: 1.15rem 0;
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.lp-faq-item summary::-webkit-details-marker {
    display: none;
}

.lp-faq-item summary::after {
    content: "+";
    float: right;
    font-size: 1.25rem;
    color: var(--lp-muted);
}

.lp-faq-item[open] summary::after {
    content: "−";
}

.lp-faq-item p {
    margin: 0 0 1.15rem;
    padding-right: 2rem;
    font-size: 0.9375rem;
    color: var(--lp-muted);
}

/* CTA */
.lp-cta {
    text-align: center;
    padding: 3.5rem 2rem;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.18) 0%, rgba(139, 92, 246, 0.12) 100%);
    border: 1px solid rgba(33, 150, 243, 0.25);
    border-radius: calc(var(--lp-radius) + 4px);
}

.lp-cta h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.lp-cta p {
    margin: 0 auto 1.5rem;
    max-width: 32rem;
    color: var(--lp-muted);
}

/* Footer */
.lp-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--lp-border);
    text-align: center;
    font-size: 0.875rem;
    color: var(--lp-muted);
}

.lp-footer p {
    margin: 0 0 0.35rem;
}

.lp-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 0.75rem;
}

.lp-footer-links a {
    color: var(--lp-muted);
    text-decoration: none;
}

.lp-footer-links a:hover {
    color: var(--lp-text);
}

/* Auth pages (login, verify) */
.landing-page--auth {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.landing-page--auth .lp-auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem 3rem;
}

.landing-page--auth .lp-auth-wrap {
    width: min(100%, 440px);
    margin-inline: auto;
}

.lp-auth-card {
    padding: 2rem 1.75rem;
    background: var(--lp-surface);
    border: 1px solid var(--lp-border);
    border-radius: var(--lp-radius);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.lp-auth-card-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.lp-auth-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 1rem;
    border-radius: 14px;
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.15);
}

.lp-auth-icon--purple {
    color: #c4b5fd;
    background: rgba(139, 92, 246, 0.15);
}

.lp-auth-eyebrow {
    margin: 0 0 0.35rem;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--lp-primary);
}

.lp-auth-title {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.25;
}

.lp-auth-lead {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--lp-muted);
    line-height: 1.55;
}

.lp-auth-phone {
    display: inline-block;
    margin-top: 0.35rem;
    font-weight: 600;
    color: var(--lp-text);
}

.lp-auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.lp-auth-form .form-label {
    margin-bottom: 0.35rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--lp-muted);
}

.lp-auth-form .form-control {
    padding: 0.65rem 0.85rem;
    font-size: 1rem;
    color: var(--lp-text);
    background: var(--lp-bg-elevated);
    border: 1px solid var(--lp-border);
    border-radius: 10px;
}

.lp-auth-form .form-control::placeholder {
    color: #71717a;
}

.lp-auth-form .form-control:focus {
    color: var(--lp-text);
    background: var(--lp-bg-elevated);
    border-color: var(--lp-primary);
    box-shadow: 0 0 0 3px var(--lp-primary-glow);
}

.lp-auth-form .form-control.is-invalid {
    border-color: #f87171;
}

.lp-auth-form .invalid-feedback {
    font-size: 0.8125rem;
}

.lp-auth-form--otp .form-control {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.35em;
    text-align: center;
}

.lp-auth-help {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.8125rem;
    color: var(--lp-muted);
}

.lp-auth-help li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.35rem;
}

.lp-auth-help li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--lp-primary);
}

.lp-auth-footer {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--lp-border);
    text-align: center;
}

.lp-auth-link {
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
}

.lp-auth-link:hover {
    text-decoration: underline;
}