/* ============================================================
   Liquid Onyx implementation layer
   Source: Blue Note Logic Design1 handoff, May 2026.
   This file loads last and normalizes older Jazz Noir rules into
   the current Claude-style Blue Note Logic light/dark system.
   ============================================================ */

:root,
:root[data-theme="dark"],
[data-theme="dark"] {
    --bg: #08080c;
    --bg-deep: #050508;
    --bg-section: #0e0e14;
    --bg-section-alt: #12121a;
    --bg-card: rgba(18, 18, 26, 0.75);
    --bg-card-solid: #12121a;
    --bg-card-hover: #1a1a26;
    --surface: #16161f;
    --surface-raised: #1e1e2a;

    --border: rgba(0, 229, 160, 0.07);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --border-hover: rgba(0, 229, 160, 0.22);
    --border-active: rgba(0, 229, 160, 0.45);

    --text: #e0e0ec;
    --text-bright: #f5f5fa;
    --text-secondary: #8585a0;
    --text-muted: #505068;
    --text-dim: #3a3a50;

    --accent: #00e5a0;
    --accent-bright: #33edba;
    --accent-dark: #00b87d;
    --accent-readable: #33edba;
    --on-accent: #08080c;
    --accent-glow: rgba(0, 229, 160, 0.10);
    --accent-glow-strong: rgba(0, 229, 160, 0.22);

    --copper: #d4a574;
    --copper-bright: #e0b88a;
    --copper-glow: rgba(212, 165, 116, 0.10);

    --violet: #7c5bf0;
    --violet-bright: #9579f4;
    --violet-glow: rgba(124, 91, 240, 0.10);

    --cyan: var(--accent);
    --cyan-bright: var(--accent-bright);
    --cyan-dark: var(--accent-dark);
    --cyan-glow: var(--accent-glow);
    --cyan-glow-strong: var(--accent-glow-strong);
    --teal: var(--accent-dark);
    --teal-glow: var(--accent-glow);
    --blue: #3b82f6;
    --amber: var(--copper);

    --success: #10b981;
    --warning: var(--copper);
    --error: #f06060;

    --glass-bg: rgba(12, 12, 18, 0.70);
    --glass-bg-strong: rgba(12, 12, 18, 0.88);
    --glass-border: rgba(0, 229, 160, 0.05);
    --glass-blur: 28px;

    --font-display: "Bricolage Grotesque", "Outfit", system-ui, sans-serif;
    --font-body: "Plus Jakarta Sans", "DM Sans", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;

    --max-width: 1200px;
    --max-width-narrow: 900px;
    --nav-height: 72px;
    --section-pad: clamp(4rem, 8vw, 7rem);
    --content-pad: clamp(1.25rem, 4vw, 2rem);

    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 999px;

    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.10);
    --shadow-button: 0 4px 20px rgba(0, 229, 160, 0.22);
    --shadow-button-hover: 0 6px 30px rgba(0, 229, 160, 0.35);
    --shadow-card-hover: 0 12px 40px rgba(0, 229, 160, 0.06);

    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

    --dot-color: rgba(255, 255, 255, 0.05);
    --sheet-music-color: transparent;
    --musical-note-color: transparent;
    --crossnav-bg: rgba(8, 8, 12, 0.92);
    --crossnav-text: rgba(224, 224, 236, 0.52);
    --crossnav-link-text: rgba(224, 224, 236, 0.68);
    --crossnav-link-border: rgba(0, 229, 160, 0.10);
    --nav-scrolled-bg: rgba(8, 8, 12, 0.90);
    --nav-pill-bg: rgba(12, 12, 18, 0.80);
    --nav-pill-border: rgba(0, 229, 160, 0.10);
    --nav-link-hover-bg: rgba(0, 229, 160, 0.08);
    --mobile-menu-bg: rgba(8, 8, 12, 0.98);
    --card-composite-bg: rgba(18, 18, 26, 0.78);
    --card-gradient-start: rgba(0, 229, 160, 0.06);
    --card-gradient-end: rgba(212, 165, 116, 0.025);
    --stats-bar-bg: rgba(18, 18, 26, 0.72);
    --stats-bar-border: rgba(0, 229, 160, 0.10);
    --hero-positioning-text: rgba(224, 224, 236, 0.86);
    --hero-focus-bg: rgba(18, 18, 26, 0.82);
    --body-gradient-1: #050508;
    --body-gradient-2: #08080c;
    --body-gradient-3: #12121a;
    --outline-btn-border: rgba(0, 229, 160, 0.22);
    --outline-btn-bg: rgba(0, 229, 160, 0.04);
    --grid-line-color: rgba(0, 229, 160, 0.04);

    color-scheme: dark;
}

[data-theme="light"] {
    --bg: #f8f8fc;
    --bg-deep: #efeff5;
    --bg-section: #f2f2f8;
    --bg-section-alt: #eaeaf2;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-solid: #ffffff;
    --bg-card-hover: #f0f0f8;
    --surface: #ffffff;
    --surface-raised: #f5f5fb;

    --border: rgba(0, 180, 125, 0.12);
    --border-subtle: rgba(0, 0, 0, 0.06);
    --border-hover: rgba(0, 180, 125, 0.30);
    --border-active: rgba(0, 180, 125, 0.50);

    --text: #1a1a2e;
    --text-bright: #0a0a14;
    --text-secondary: #5a5a78;
    --text-muted: #9090a8;
    --text-dim: #b0b0c0;

    --accent: #009e6e;
    --accent-bright: #00b87d;
    --accent-dark: #007a55;
    --accent-readable: #007a55;
    --on-accent: #08080c;
    --accent-glow: rgba(0, 158, 110, 0.08);
    --accent-glow-strong: rgba(0, 158, 110, 0.15);

    --copper: #b8864a;
    --copper-bright: #c89858;
    --copper-glow: rgba(184, 134, 74, 0.10);
    --violet: #6b4de6;
    --violet-bright: #7c5bf0;
    --violet-glow: rgba(107, 77, 230, 0.08);

    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-bg-strong: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(0, 158, 110, 0.08);

    --dot-color: rgba(0, 0, 0, 0.04);
    --crossnav-bg: rgba(248, 248, 252, 0.94);
    --crossnav-text: rgba(26, 26, 46, 0.52);
    --crossnav-link-text: rgba(26, 26, 46, 0.68);
    --crossnav-link-border: rgba(0, 158, 110, 0.12);
    --nav-scrolled-bg: rgba(248, 248, 252, 0.90);
    --nav-pill-bg: rgba(255, 255, 255, 0.86);
    --nav-pill-border: rgba(0, 158, 110, 0.12);
    --nav-link-hover-bg: rgba(0, 158, 110, 0.08);
    --mobile-menu-bg: rgba(248, 248, 252, 0.98);
    --card-composite-bg: rgba(255, 255, 255, 0.82);
    --card-gradient-start: rgba(0, 158, 110, 0.05);
    --card-gradient-end: rgba(184, 134, 74, 0.03);
    --stats-bar-bg: rgba(255, 255, 255, 0.74);
    --stats-bar-border: rgba(0, 158, 110, 0.12);
    --hero-positioning-text: rgba(26, 26, 46, 0.82);
    --hero-focus-bg: rgba(255, 255, 255, 0.84);
    --body-gradient-1: #efeff5;
    --body-gradient-2: #f8f8fc;
    --body-gradient-3: #f2f2f8;
    --outline-btn-border: rgba(0, 158, 110, 0.24);
    --outline-btn-bg: rgba(0, 158, 110, 0.04);
    --grid-line-color: rgba(0, 158, 110, 0.035);

    color-scheme: light;
}

html {
    background: var(--bg);
}

body {
    font-family: var(--font-body);
    background:
        radial-gradient(circle at 10% -5%, var(--accent-glow), transparent 26rem),
        radial-gradient(circle at 92% 12%, var(--violet-glow), transparent 24rem),
        linear-gradient(180deg, var(--body-gradient-1), var(--body-gradient-2) 42%, var(--body-gradient-3));
    color: var(--text);
}

body::before,
body::after {
    display: none;
}

::selection {
    background: var(--accent);
    color: #08080c;
}

a {
    color: var(--accent);
}

a:hover {
    color: var(--accent-bright);
}

.bg-dots {
    background-image: radial-gradient(var(--dot-color) 1px, transparent 1px);
    opacity: 1;
    mask-image: radial-gradient(ellipse at center, black 42%, transparent 92%);
}

.bg-glow {
    mix-blend-mode: screen;
    opacity: 0.10;
}

.bg-glow--1 {
    background: var(--accent);
}

.bg-glow--2 {
    background: var(--violet);
    opacity: 0.08;
}

.bg-glow--3 {
    background: var(--copper);
    opacity: 0.06;
}

[data-theme="light"] .bg-glow {
    opacity: 0.045;
    mix-blend-mode: multiply;
}

.noise-overlay {
    opacity: 0.025;
    mix-blend-mode: overlay;
}

.section {
    padding: var(--section-pad) 0;
}

.section--alt {
    background: linear-gradient(180deg, transparent, var(--bg-section) 24%, var(--bg-section) 74%, transparent);
}

.section__label,
.section__kicker,
.page-hero__eyebrow,
.hero__badge,
.hero__poster-label,
.hero__lab-badge,
.hero__poster-kicker,
.announcement-card__badge,
.proof-intro__eyebrow,
.footer__proof-label,
.pre-footer-cta__eyebrow {
    font-family: var(--font-mono);
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--accent);
}

.section__title,
.page-hero__title,
.hero__title,
.service-card__title,
.platform-card__title,
.case-study-card__title,
.blog-card__title,
.testimonial-card__quote,
.proof-intro__title,
.cta-section__title,
.pre-footer-cta__title {
    font-family: var(--font-display);
    color: var(--text-bright);
    letter-spacing: -0.02em;
}

.section__subtitle,
.page-hero__subtitle,
.hero__description,
.hero__sub,
.service-card__desc,
.service-card__tagline,
.platform-card__desc,
.case-study-card__excerpt,
.blog-card__excerpt,
.cta-section__desc,
.pre-footer-cta__desc,
.footer__tagline,
.footer__note {
    color: var(--text-secondary);
}

.nav {
    height: var(--nav-height);
}

.nav--scrolled {
    background: var(--nav-scrolled-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.30);
}

.nav__inner {
    border: 1px solid transparent;
    border-radius: 0;
}

.nav--scrolled .nav__inner {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

.nav__logo-img {
    height: 58px;
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: none;
}

.nav__logo:hover .nav__logo-img {
    border-color: var(--border-hover);
    box-shadow: 0 0 22px var(--accent-glow);
}

.nav__link,
.nav__login,
.nav__dropdown-link {
    color: var(--text-secondary);
    border-radius: 10px;
}

.nav__link:hover,
.nav__link--active,
.nav__dropdown-link:hover,
.nav__dropdown-link--active {
    color: var(--text-bright);
    background: var(--nav-link-hover-bg);
}

.nav__link--active {
    color: var(--accent);
}

.nav__link--active::after {
    background: var(--accent);
}

.nav__dropdown-menu {
    background: var(--glass-bg-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.nav__login,
.nav__theme-toggle,
.nav__lang {
    border-color: var(--nav-pill-border);
    background: var(--outline-btn-bg);
}

.nav__theme-toggle {
    width: 34px !important;
    height: 34px !important;
    min-width: 34px;
    max-width: 34px;
    min-height: 34px;
    max-height: 34px;
    flex: 0 0 34px;
    padding: 0;
    margin-left: 0.45rem;
    border-radius: 10px;
    line-height: 1;
}

.nav__theme-icon {
    width: 15px !important;
    height: 15px !important;
}

.nav__login {
    color: var(--accent);
}

.nav__login:hover,
.nav__theme-toggle:hover,
.nav__lang-btn--active {
    color: var(--accent-bright);
    border-color: var(--border-hover);
    background: var(--nav-link-hover-bg);
}

.hero {
    min-height: min(100vh, 900px);
    padding-top: calc(var(--nav-height) + 4rem);
}

.page-home .hero {
    background:
        radial-gradient(circle at 24% 18%, var(--accent-glow), transparent 28rem),
        radial-gradient(circle at 78% 18%, var(--violet-glow), transparent 24rem);
}

.hero__badge {
    background: rgba(0, 229, 160, 0.06);
    border: 1px solid var(--border-hover);
    color: var(--accent);
}

[data-theme="light"] .hero__badge {
    background: rgba(0, 158, 110, 0.07);
}

.hero__badge-dot {
    background: var(--accent);
    box-shadow: 0 0 14px var(--accent);
}

.hero__title {
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    line-height: 1.05;
}

.hero__lab-stage,
.hero__poster-meta,
.hero-focus,
.glass-card,
.service-card,
.platform-card,
.social-card,
.case-study-card,
.blog-card,
.testimonial-card,
.proof-sidebar-card,
.announcement-card,
.cta-card,
.pre-footer-cta .container,
.footer__proof-card,
.login-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--shadow-md);
}

.service-card,
.platform-card,
.social-card,
.case-study-card,
.blog-card,
.testimonial-card,
.glass-card,
.cta-card,
.footer__proof-card {
    position: relative;
    overflow: hidden;
}

.service-card::before,
.platform-card::before,
.social-card::before,
.case-study-card::before,
.blog-card::before,
.testimonial-card::before,
.glass-card::before,
.cta-card::before,
.footer__proof-card::before {
    content: "";
    position: absolute;
    inset: 0 1.25rem auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow-strong), transparent);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
    pointer-events: none;
}

.service-card:hover,
.platform-card:hover,
.social-card:hover,
.case-study-card:hover,
.blog-card:hover,
.testimonial-card:hover,
.glass-card:hover,
.cta-card:hover,
.footer__proof-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.service-card:hover::before,
.platform-card:hover::before,
.social-card:hover::before,
.case-study-card:hover::before,
.blog-card:hover::before,
.testimonial-card:hover::before,
.glass-card:hover::before,
.cta-card:hover::before,
.footer__proof-card:hover::before {
    opacity: 1;
}

.service-card::after {
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
}

.service-card__icon,
.cta-card__icon,
.stats-bar__icon {
    color: var(--accent);
    background: var(--accent-glow);
}

.hero__poster-floating,
.hero__poster-item,
.hero__trust-chip,
.stats-bar__grid,
.hero-signal,
.hero-signal__item,
.proof-card,
.proof-hero__summary,
.form-input,
.form-select,
.form-textarea {
    background: var(--glass-bg);
    border-color: var(--border);
}

.hero-signal__item--glow,
.stats-bar__value,
.proof-link,
.service-card__cta,
.footer__cta,
.footer__email,
.footer__proof-link,
.hero__poster-item span,
.hero__poster-floating span {
    color: var(--accent);
}

.btn {
    border-radius: var(--radius);
    letter-spacing: 0;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    color: var(--on-accent);
    box-shadow: var(--shadow-button);
}

.btn--primary:hover {
    color: var(--on-accent);
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-2px);
}

.btn--primary:active,
.btn--outline:active {
    transform: translateY(0);
}

.btn--outline,
.btn--ghost,
.btn--ghost-sm {
    background: var(--outline-btn-bg);
    border: 1px solid var(--outline-btn-border);
    color: var(--text);
}

.btn--outline:hover,
.btn--ghost:hover,
.btn--ghost-sm:hover {
    background: var(--nav-link-hover-bg);
    border-color: var(--border-hover);
    color: var(--accent-readable);
    transform: translateY(-2px);
}

.announcement-card {
    color: var(--text);
    background: var(--outline-btn-bg);
    border-color: var(--border-hover);
}

.announcement-card:hover {
    color: var(--text-bright);
    border-color: var(--border-hover);
    background: var(--nav-link-hover-bg);
}

.announcement-card__badge {
    background: var(--accent);
    color: var(--on-accent);
    border: 1px solid rgba(8, 8, 12, 0.14);
}

.announcement-card__text {
    color: var(--text-bright);
}

.announcement-card svg {
    color: var(--accent-readable);
    opacity: 1;
}

.pre-footer-cta {
    background: transparent;
}

.pre-footer-cta .container {
    padding-top: clamp(3rem, 6vw, 5rem);
    padding-bottom: clamp(3rem, 6vw, 5rem);
}

.pre-footer-cta__title em {
    color: var(--copper);
}

.footer {
    background:
        radial-gradient(circle at 16% 0%, var(--accent-glow), transparent 24rem),
        var(--bg-deep);
    border-top: 1px solid var(--border);
}

.footer__heading {
    color: var(--text-bright);
}

.footer__links a,
.footer__bottom,
.footer__bottom p,
.footer__location,
.footer__partner,
.footer__legal-links a {
    color: var(--text-secondary);
}

.footer__links a:hover,
.footer__legal-links a:hover,
.footer__social-page-link:hover {
    color: var(--accent);
}

.footer__social-link,
.footer__cert {
    background: var(--outline-btn-bg);
    border-color: var(--border);
    color: var(--text-secondary);
}

.footer__social-link:hover,
.footer__cert:hover {
    border-color: var(--border-hover);
    color: var(--accent);
}

.chat-coming-soon__btn {
    color: var(--accent);
    border-color: var(--border-hover);
    background: var(--glass-bg-strong);
    box-shadow: var(--shadow-button);
}

.chat-coming-soon__btn:hover {
    box-shadow: var(--shadow-button-hover);
}

.cookie-banner {
    background: var(--glass-bg-strong);
    border-color: var(--border);
    color: var(--text);
}

.cookie-banner__text p {
    color: var(--text-secondary);
}

.scroll-progress {
    background: linear-gradient(90deg, var(--accent-dark), var(--accent), var(--copper));
}

.form-input,
.form-select,
.form-textarea {
    color: var(--text-bright);
    background: var(--surface);
    border-color: var(--border);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow-strong);
    background: var(--surface-raised);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-secondary);
    opacity: 1;
}

.form-group label {
    color: var(--text-secondary);
}

.form-group--checkbox label {
    color: var(--text-secondary);
}

.form-group--checkbox a {
    color: var(--accent-readable);
}

.newsletter-panel {
    background:
        radial-gradient(circle at top left, var(--accent-glow), transparent 24rem),
        var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.newsletter-panel .section__label {
    color: var(--accent-readable);
}

.newsletter-panel .section__title {
    color: var(--text-bright);
}

.newsletter-panel .section__subtitle,
.newsletter-note {
    color: var(--text-secondary);
}

.newsletter-note {
    background: var(--accent-glow);
    border: 1px solid var(--border);
}

.newsletter-form label {
    color: var(--text-secondary);
}

.newsletter-form .form-group:not(.form-group--checkbox) > label {
    color: var(--text-bright);
}

.newsletter-form .form-group--checkbox label {
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-secondary);
}

.newsletter-form .form-group--checkbox a {
    color: var(--accent-readable);
}

.newsletter-feedback {
    color: var(--text-secondary);
}

@media (max-width: 900px) {
    .nav__menu {
        background: var(--mobile-menu-bg);
        border-left: 1px solid var(--border);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
    }

    .nav__link,
    .nav__login {
        color: var(--text-secondary);
    }

    .nav__theme-toggle {
        width: 34px !important;
        height: 34px !important;
        min-width: 34px;
        max-width: 34px;
        min-height: 34px;
        max-height: 34px;
        flex-basis: 34px;
        margin: 0.5rem 0 0;
        align-self: flex-start;
    }
}