/* Additional styles beyond inline CSS in base template */

/* Screen-reader only text */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Navigation and footer anchors */
.site-header--instrument {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background:
        linear-gradient(180deg, rgba(10, 12, 13, 0.94), rgba(8, 10, 11, 0.88)),
        var(--color-bg);
    backdrop-filter: blur(16px);
}

.site-nav {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.site-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--color-text);
    min-width: 0;
}

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

.site-brand__mark {
    flex: 0 0 auto;
    color: rgba(94, 234, 212, 0.9);
}

.site-brand__copy {
    display: grid;
    gap: 0.125rem;
    min-width: 0;
}

.site-brand__name {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
}

.site-brand__descriptor {
    color: rgba(161, 171, 190, 0.78);
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.1;
    text-transform: uppercase;
}

.site-nav__right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.25rem;
    padding: 0.25rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
}

.nav-link {
    color: rgba(194, 202, 216, 0.78);
    font-size: 0.875rem;
    font-weight: 650;
    line-height: 1;
    padding: 0.625rem 0.75rem;
    border-radius: 6px;
}

.nav-link:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.055);
}

.nav-link.active {
    color: var(--color-text);
    background: rgba(94, 234, 212, 0.105);
    font-weight: 700;
}

.site-nav .nav-link.active::after {
    display: none;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.375rem;
    padding: 0.625rem 0.875rem;
    border: 1px solid rgba(94, 234, 212, 0.34);
    border-radius: 8px;
    background: rgba(94, 234, 212, 0.075);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 750;
    line-height: 1;
}

.nav-cta:hover {
    border-color: rgba(94, 234, 212, 0.5);
    background: rgba(94, 234, 212, 0.12);
    color: var(--color-text);
}

.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.045);
    color: var(--color-text);
    cursor: pointer;
}

.mobile-menu {
    padding: 0.75rem 1rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(8, 10, 11, 0.96);
}

.mobile-menu__links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-cta--mobile {
    margin-top: 0.25rem;
    width: 100%;
}

@media (max-width: 768px) {
    .nav-links { display: none !important; }
    .site-nav__right > .nav-cta { display: none; }
    #mobile-menu-btn { display: block !important; }
}

@media (max-width: 540px) {
    .site-nav__inner { gap: 1rem; }
}

.mobile-menu-btn:focus:not(:focus-visible) {
    outline: none;
}

.mobile-menu-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* Waitlist form (home page) */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.waitlist-form {
    display: flex;
    gap: 1rem;
}

@media (max-width: 640px) {
    .waitlist-form {
        flex-direction: column;
        gap: 0.75rem;
    }
}

.article-row {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.article-date {
    flex-shrink: 0;
    text-align: center;
    min-width: 80px;
}

@media (max-width: 640px) {
    .article-row {
        flex-direction: column;
        gap: 1rem;
    }

    .article-date {
        min-width: 0;
        text-align: left;
    }
}

#waitlist-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.waitlist-success {
    color: var(--color-accent);
    font-size: 0.875rem;
}

.waitlist-error {
    color: var(--color-error);
    font-size: 0.875rem;
}

/* Focus states for accessibility */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Improved form styling */
input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-accent);
}

/* Selection styling */
::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }

    header,
    footer,
    .btn {
        display: none;
    }

    a {
        color: black;
        text-decoration: none;
    }

    .prose {
        max-width: 100%;
        font-size: 12pt;
        line-height: 1.5;
    }

    .card,
    .proof-box {
        border: 1px solid #ccc;
        break-inside: avoid;
    }
}

/* ============================================
   3D Model Preview
   ============================================ */

.model-preview {
    display: block;
    position: relative;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.02), rgba(45,212,191,0.03));
    overflow: hidden;
}

.model-preview__poster,
.model-preview__viewer {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    background: rgba(255,255,255,0.02);
}

.model-preview__viewer {
    background: #0a0a0a;
}

.model-preview__controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    padding: 0.875rem 1rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    background: rgba(0,0,0,0.25);
}

.model-preview__download {
    color: var(--color-text-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.model-preview__download:hover {
    color: var(--color-accent-hover);
}

.model-preview__status {
    padding: 0.75rem 1rem 0;
}

.model-preview--loading .model-preview__status {
    color: rgba(240,240,240,0.85);
}

.model-preview--error .model-preview__status {
    color: var(--color-error);
}

/* ============================================
   MLNavigator homepage marketing frame
   ============================================ */

.mln-home-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(3rem, 5.4vw, 5.25rem) 0 clamp(3.5rem, 6vw, 5.5rem);
    background:
        radial-gradient(circle at 72% 12%, rgba(45, 212, 191, 0.075), transparent 30rem),
        linear-gradient(135deg, #0a0a0a 0%, #101316 50%, #081211 100%);
}

.mln-home-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.28;
    background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 86%);
}

.mln-home-hero__stack {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: clamp(1.35rem, 3vw, 2.2rem);
}

.mln-home-hero__copy {
    max-width: 980px;
}

.mln-home-hero__title {
    display: flex;
    flex-direction: column;
    gap: 0.2em;
    margin: 0 0 1rem;
    font-size: clamp(2.35rem, 4vw, 4rem);
    line-height: 1.02;
    letter-spacing: 0;
}

.mln-home-hero__lead {
    max-width: 860px;
    margin: 0;
    color: var(--color-text);
    font-size: clamp(1.08rem, 1.6vw, 1.35rem);
    line-height: 1.5;
}

.mln-home-hero__support {
    max-width: 760px;
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.75;
}

.mln-home-hero__after {
    display: flex;
    gap: 1rem 1.5rem;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.mln-home-hero__mantra {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 1.25rem;
}

.mln-home-hero__mantra span {
    display: inline-flex;
    min-height: 2.25rem;
    align-items: center;
    padding: 0.4rem 0.72rem;
    border: 1px solid rgba(94, 234, 212, 0.28);
    border-radius: var(--radius-md);
    background: rgba(45, 212, 191, 0.08);
    color: var(--color-accent-hover);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    text-transform: uppercase;
}

.mln-marketing-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.mln-artifact-link {
    display: inline-flex;
    align-items: center;
    min-height: 2.65rem;
    padding: 0.68rem 0.95rem;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.045);
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 650;
}

.mln-artifact-link:hover,
.mln-artifact-link:focus-visible {
    border-color: rgba(94, 234, 212, 0.32);
    background: rgba(45, 212, 191, 0.065);
    color: var(--color-text);
}

.mln-anchor-nav a {
    border-color: rgba(255,255,255,0.13);
}

.mln-anchor-nav a:hover,
.mln-anchor-nav a:focus-visible {
    border-color: rgba(94, 234, 212, 0.32);
    background: rgba(45, 212, 191, 0.065);
}

.mln-proof-preview {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: 1rem;
    max-width: 980px;
    padding: clamp(0.8rem, 1.5vw, 1rem);
    border: 1px solid rgba(94, 234, 212, 0.14);
    border-radius: var(--radius-lg);
    background: rgba(8, 12, 13, 0.78);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255,255,255,0.04);
}

.mln-proof-preview__answer,
.mln-proof-preview__record {
    min-width: 0;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.035);
}

.mln-proof-preview__answer {
    padding: clamp(1rem, 2vw, 1.25rem);
}

.mln-proof-preview__answer > span,
.mln-proof-preview__record > span,
.mln-proof-preview dt {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
}

.mln-proof-preview__question {
    margin: 0.8rem 0;
    color: var(--color-text);
    font-size: clamp(1rem, 1.35vw, 1.15rem);
    line-height: 1.55;
}

.mln-proof-preview__answer p:last-of-type {
    max-width: 620px;
    margin: 0;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.mln-proof-preview__sources {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.mln-proof-preview__sources span {
    padding: 0.34rem 0.55rem;
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: var(--radius-sm);
    background: rgba(45, 212, 191, 0.045);
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.mln-proof-preview__record {
    display: grid;
    align-content: start;
    gap: 0.75rem;
    padding: 1rem;
}

.mln-proof-preview__record strong {
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.35;
}

.mln-proof-preview__record dl {
    display: grid;
    gap: 0.55rem;
    margin: 0;
}

.mln-proof-preview__record dd {
    margin: 0.15rem 0 0;
    color: var(--color-text-secondary);
    font-size: 0.78rem;
    line-height: 1.45;
}

.mln-home-section {
    padding: clamp(4rem, 7vw, 7rem) 0;
    background: var(--color-bg);
}

.mln-home-section--bright {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0)),
        var(--color-bg-secondary);
}

.mln-section-intro {
    max-width: 880px;
    margin-bottom: 2.5rem;
}

.mln-section-intro--split {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
    gap: 2rem;
    max-width: none;
    align-items: start;
}

.mln-section-intro h2 {
    margin: 0;
    font-size: clamp(1.85rem, 3vw, 3.2rem);
    line-height: 1.08;
    letter-spacing: 0;
}

.mln-section-intro p {
    margin: 1rem 0 0;
    color: var(--color-text-secondary);
    font-size: 1.06rem;
    line-height: 1.75;
}

.mln-section-intro--split p {
    margin-top: 0.2rem;
}

.mln-shift-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.mln-shift-card {
    min-height: 190px;
    padding: 1.4rem;
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.045);
}

.mln-shift-card span {
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
}

.mln-shift-card h3 {
    margin: 2.1rem 0 0.8rem;
    font-size: clamp(1.25rem, 1.8vw, 1.65rem);
    line-height: 1.15;
}

.mln-shift-card p {
    margin: 0;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.mln-capability-list {
    border-top: 1px solid var(--color-border);
}

.mln-capability-row {
    display: grid;
    grid-template-columns: minmax(180px, 0.36fr) 1fr;
    gap: 1.5rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
}

.mln-capability-row strong {
    color: var(--color-text);
    font-size: 1.05rem;
}

.mln-capability-row span {
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.mln-pilot-path {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.mln-pilot-step {
    min-height: 290px;
    padding: 1.2rem;
    border: 1px solid rgba(94, 234, 212, 0.18);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(45, 212, 191, 0.08), rgba(255,255,255,0.035));
}

.mln-pilot-step span {
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.mln-pilot-step h3 {
    margin: 4rem 0 0.75rem;
    font-size: 1.35rem;
}

.mln-pilot-step p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.93rem;
    line-height: 1.65;
}

.mln-anchor-nav .btn {
    font-size: 0.86rem;
}

.mln-faq-anchor {
    padding-top: 0.5rem;
}

.mln-faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mln-faq-list details {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.035);
}

.mln-faq-list summary {
    cursor: pointer;
    padding: 1rem 1.1rem;
    color: var(--color-text);
    font-weight: 600;
}

.mln-faq-list details[open] summary {
    border-bottom: 1px solid var(--color-border);
}

.mln-faq-list p {
    margin: 0;
    padding: 1rem 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.mln-pricing-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mln-pricing-phase {
    display: grid;
    grid-template-columns: 4.25rem 1fr;
    gap: 1.25rem;
    padding: 1.2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.035);
}

.mln-pricing-phase__number {
    display: grid;
    width: 3.2rem;
    height: 3.2rem;
    place-items: center;
    border: 1px solid rgba(94, 234, 212, 0.28);
    border-radius: var(--radius-md);
    background: rgba(45, 212, 191, 0.08);
    color: var(--color-accent-hover);
    font-family: var(--font-mono);
    font-size: 1.18rem;
    font-weight: 700;
}

.mln-pricing-phase__body {
    min-width: 0;
}

.mln-pricing-phase__heading {
    display: flex;
    gap: 0.75rem 1rem;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 0.55rem;
}

.mln-pricing-phase__heading h3 {
    margin: 0;
    font-size: 1.08rem;
}

.mln-pricing-phase__heading span {
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.mln-pricing-phase__body p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.68;
}

.mln-pricing-phase__artifact {
    display: flex;
    gap: 0.4rem 0.7rem;
    align-items: baseline;
    flex-wrap: wrap;
    margin-top: 0.85rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border);
}

.mln-pricing-phase__artifact span {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
}

.mln-pricing-phase__artifact strong {
    color: var(--color-text);
    font-size: 0.88rem;
}

.mln-home-credibility {
    padding: 1.4rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
}

.mln-home-credibility ul {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem 2.4rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.mln-home-credibility li {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    white-space: nowrap;
}

.mln-home-final {
    padding: clamp(4rem, 7vw, 7rem) 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(45, 212, 191, 0.13), transparent 25rem),
        var(--color-bg);
}

.mln-home-final__inner {
    max-width: 900px;
}

.mln-home-final h2 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 3.2vw, 3.6rem);
    line-height: 1.08;
    letter-spacing: 0;
}

.mln-home-final p {
    max-width: 700px;
    margin: 0 0 1.75rem;
    color: var(--color-text-secondary);
    font-size: 1.12rem;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .mln-proof-preview {
        grid-template-columns: 1fr;
        max-width: 860px;
    }

    .mln-shift-grid,
    .mln-pilot-path {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 720px) {
    .mln-home-hero {
        padding-top: 3.25rem;
    }

    .mln-home-hero__title {
        font-size: clamp(2.25rem, 11.6vw, 3.35rem);
    }

    .mln-proof-preview {
        padding: 0.75rem;
    }

    .mln-home-hero__after {
        align-items: stretch;
    }

    .mln-section-intro--split,
    .mln-shift-grid,
    .mln-pilot-path,
    .mln-capability-row {
        grid-template-columns: 1fr;
    }

    .mln-shift-card,
    .mln-pilot-step {
        min-height: auto;
    }

    .mln-shift-card h3,
    .mln-pilot-step h3 {
        margin-top: 2rem;
    }

    .mln-pricing-phase {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .mln-pricing-phase__number {
        width: 2.75rem;
        height: 2.75rem;
    }
}