/* Project Lyra — Quantum Bridge Platform Styles */

:root {
    --lyra-primary: #00d4aa;
    --lyra-primary-hover: #1ae8be;
    --lyra-secondary: #4a9eff;
    --lyra-accent: #8b5cf6;
    --lyra-error: #ff6b6b;
    --lyra-bg-solid: #0a0f1e;
    --lyra-bg: rgba(10, 15, 30, 0.75);
    --lyra-card-bg: rgba(0, 0, 0, 0.55);
    --lyra-card-border: rgba(0, 212, 170, 0.15);
    --lyra-input-bg: rgba(255, 255, 255, 0.05);
    --lyra-input-border: rgba(255, 255, 255, 0.2);
    --lyra-text: #ffffff;
    --lyra-muted: rgba(255, 255, 255, 0.75);
    --lyra-subtle: rgba(255, 255, 255, 0.4);
    --lyra-divider: rgba(255, 255, 255, 0.08);
    --lyra-radius-sm: 4px;
    --lyra-radius-md: 8px;
    --lyra-radius-lg: 12px;
    --lyra-transition-fast: 0.2s ease;
    --lyra-transition: 0.3s ease;
    --lyra-font: "nbarchitekt", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    /* Spacing rhythm */
    --lyra-space-xs: 8px;
    --lyra-space-sm: 12px;
    --lyra-space-md: 16px;
    --lyra-space-lg: 24px;
    --lyra-space-xl: 32px;
    --lyra-space-2xl: 48px;
    /* Tap target minimum (WCAG AAA) */
    --lyra-tap-target: 44px;
}

/* Base focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--lyra-primary);
    outline-offset: 3px;
    border-radius: var(--lyra-radius-sm);
}

/* Overlay container */
#lyra-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    overflow-y: auto;
    overflow-x: hidden;
    pointer-events: none;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 212, 170, 0.3) transparent;
}

#lyra-overlay::-webkit-scrollbar {
    width: 6px;
}

#lyra-overlay::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 170, 0.3);
    border-radius: 3px;
}

#lyra-overlay::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 212, 170, 0.5);
}

/* Sections */
.lyra-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(40px, 6vw, 72px) clamp(20px, 4vw, 40px);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.lyra-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero */
.lyra-hero {
    justify-content: flex-end;
    padding-bottom: clamp(48px, 12vh, 140px);
    text-align: center;
}

.lyra-hero h1 {
    font-family: var(--lyra-font);
    font-weight: 700;
    font-size: clamp(2rem, 6vw, 5rem);
    line-height: 1.15;
    letter-spacing: 0.3em;
    color: var(--lyra-text);
    margin: 0 0 var(--lyra-space-xs) 0;
    text-transform: uppercase;
    text-wrap: balance;
}

.lyra-hero .subtitle {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: clamp(0.85rem, 2vw, 1.4rem);
    line-height: 1.4;
    color: var(--lyra-primary);
    letter-spacing: 0.15em;
    margin: 0 0 var(--lyra-space-lg) 0;
    text-transform: uppercase;
    text-wrap: balance;
}

.lyra-hero .description {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    line-height: 1.6;
    color: var(--lyra-muted);
    max-width: 600px;
    margin: 0 auto var(--lyra-space-xl);
    text-wrap: pretty;
}

/* Buttons */
.lyra-btn {
    pointer-events: auto;
    cursor: pointer;
    font-family: var(--lyra-font);
    font-weight: 400;
    font-size: 0.8rem;
    line-height: 1.2;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    min-height: var(--lyra-tap-target);
    padding: 14px 32px;
    border: 1px solid transparent;
    border-radius: var(--lyra-radius-sm);
    transition: background-color var(--lyra-transition),
                border-color var(--lyra-transition),
                color var(--lyra-transition),
                box-shadow var(--lyra-transition),
                transform var(--lyra-transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 var(--lyra-space-xs);
    white-space: nowrap;
}

.lyra-btn-primary {
    background: var(--lyra-primary);
    color: var(--lyra-bg-solid);
    border-color: var(--lyra-primary);
}

.lyra-btn-primary:hover,
.lyra-btn-primary:focus-visible {
    background: var(--lyra-primary-hover);
    border-color: var(--lyra-primary-hover);
    box-shadow: 0 0 30px rgba(0, 212, 170, 0.4);
}

.lyra-btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 0 16px rgba(0, 212, 170, 0.3);
}

.lyra-btn-secondary {
    background: transparent;
    color: var(--lyra-text);
    border-color: rgba(255, 255, 255, 0.3);
}

.lyra-btn-secondary:hover,
.lyra-btn-secondary:focus-visible {
    border-color: var(--lyra-primary);
    color: var(--lyra-primary);
}

.lyra-btn-secondary:active {
    transform: translateY(1px);
}

/* Cards grid */
.lyra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--lyra-space-lg);
    max-width: 1100px;
    width: 100%;
    margin: var(--lyra-space-2xl) auto 0;
}

.lyra-card {
    pointer-events: auto;
    background: var(--lyra-card-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid var(--lyra-card-border);
    border-radius: var(--lyra-radius-md);
    padding: var(--lyra-space-xl) 28px;
    transition: border-color var(--lyra-transition),
                transform var(--lyra-transition-fast),
                box-shadow var(--lyra-transition);
}

.lyra-card:hover,
.lyra-card:focus-within {
    border-color: var(--lyra-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 212, 170, 0.1);
}

/* Fallback for browsers without backdrop-filter support */
@supports not ((backdrop-filter: blur(20px)) or (-webkit-backdrop-filter: blur(20px))) {
    .lyra-card {
        background: rgba(10, 15, 30, 0.92);
    }
}

.lyra-card h3 {
    font-family: var(--lyra-font);
    font-weight: 700;
    font-size: 0.9rem;
    line-height: 1.3;
    color: var(--lyra-primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 0 var(--lyra-space-sm) 0;
}

.lyra-card p {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--lyra-muted);
    margin: 0;
}

/* Section headers */
.lyra-section-header {
    text-align: center;
    margin-bottom: var(--lyra-space-md);
    max-width: 720px;
}

.lyra-section-header h2 {
    font-family: var(--lyra-font);
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    line-height: 1.2;
    color: var(--lyra-text);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin: 0 0 var(--lyra-space-sm) 0;
    text-wrap: balance;
}

.lyra-section-header p {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--lyra-muted);
    max-width: 500px;
    margin: 0 auto;
    text-wrap: pretty;
}

/* Pricing cards */
.lyra-pricing-card {
    text-align: center;
    position: relative;
}

.lyra-pricing-card.featured {
    border-color: var(--lyra-primary);
    box-shadow: 0 0 40px rgba(0, 212, 170, 0.1);
}

.lyra-pricing-card .badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--lyra-primary);
    color: var(--lyra-bg-solid);
    font-family: var(--lyra-font);
    font-size: 0.65rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 16px;
    border-radius: var(--lyra-radius-sm);
    white-space: nowrap;
}

.lyra-pricing-card .tier {
    font-family: var(--lyra-font);
    font-weight: 700;
    font-size: 0.85rem;
    line-height: 1.3;
    color: var(--lyra-text);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 0 0 var(--lyra-space-xs) 0;
}

.lyra-pricing-card .price {
    font-family: var(--lyra-font);
    font-weight: 700;
    font-size: clamp(1.75rem, 3vw, 2rem);
    line-height: 1.1;
    color: var(--lyra-primary);
    margin: 0 0 4px 0;
}

.lyra-pricing-card .price-period {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--lyra-muted);
    margin: 0 0 var(--lyra-space-lg) 0;
}

.lyra-pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--lyra-space-lg) 0;
    text-align: left;
}

.lyra-pricing-card ul li {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--lyra-muted);
    padding: 8px 0;
    border-bottom: 1px solid var(--lyra-divider);
}

.lyra-pricing-card ul li:last-child {
    border-bottom: none;
}

.lyra-pricing-card ul li::before {
    content: ">";
    color: var(--lyra-primary);
    margin-right: var(--lyra-space-xs);
    font-weight: 700;
}

/* Industry cards */
.lyra-industry {
    text-align: center;
    padding: var(--lyra-space-lg) 20px;
}

.lyra-industry .icon {
    font-size: 2rem;
    line-height: 1;
    margin-bottom: var(--lyra-space-sm);
    display: block;
}

/* CTA section */
.lyra-cta {
    text-align: center;
    width: 100%;
}

.lyra-cta h2 {
    font-family: var(--lyra-font);
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    line-height: 1.2;
    color: var(--lyra-text);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 0 0 var(--lyra-space-md) 0;
    text-wrap: balance;
}

.lyra-cta .subtext {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--lyra-muted);
    margin: 0 0 var(--lyra-space-xl) 0;
    text-wrap: pretty;
}

.lyra-email-form {
    pointer-events: auto;
    display: flex;
    gap: 0;
    max-width: 480px;
    width: 100%;
    margin: 0 auto var(--lyra-space-md);
}

.lyra-email-form input {
    flex: 1;
    min-width: 0;
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.9rem;
    line-height: 1.4;
    min-height: var(--lyra-tap-target);
    padding: 14px 16px;
    background: var(--lyra-input-bg);
    border: 1px solid var(--lyra-input-border);
    border-right: none;
    border-radius: var(--lyra-radius-sm) 0 0 var(--lyra-radius-sm);
    color: var(--lyra-text);
    outline: none;
    transition: border-color var(--lyra-transition),
                background-color var(--lyra-transition),
                box-shadow var(--lyra-transition);
    -webkit-appearance: none;
    appearance: none;
}

.lyra-email-form input:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.lyra-email-form input:focus,
.lyra-email-form input:focus-visible {
    border-color: var(--lyra-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
    outline: none;
}

.lyra-email-form input::placeholder {
    color: var(--lyra-subtle);
    opacity: 1;
}

.lyra-email-form input:invalid:not(:placeholder-shown) {
    border-color: var(--lyra-error);
}

.lyra-email-form input[aria-invalid="true"] {
    border-color: var(--lyra-error);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15);
}

.lyra-email-form button {
    border-radius: 0 var(--lyra-radius-sm) var(--lyra-radius-sm) 0;
    margin: 0;
}

.lyra-note {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.7rem;
    line-height: 1.5;
    color: var(--lyra-subtle);
}

.lyra-error-message {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--lyra-error);
    margin-top: var(--lyra-space-xs);
}

/* Footer */
.lyra-footer {
    min-height: auto;
    padding: clamp(24px, 4vw, 40px) clamp(20px, 4vw, 40px);
    border-top: 1px solid var(--lyra-divider);
    pointer-events: auto;
}

.lyra-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--lyra-space-md);
}

.lyra-footer .copyright {
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.7rem;
    line-height: 1.5;
    color: var(--lyra-subtle);
}

.lyra-footer-links {
    display: flex;
    gap: var(--lyra-space-lg);
    flex-wrap: wrap;
}

.lyra-footer-links a {
    pointer-events: auto;
    font-family: var(--lyra-font);
    font-weight: 300;
    font-size: 0.7rem;
    line-height: 1.5;
    color: var(--lyra-muted);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    min-height: var(--lyra-tap-target);
    padding: 12px 10px;
    display: inline-flex;
    align-items: center;
    transition: color var(--lyra-transition);
}

.lyra-footer-links a:hover,
.lyra-footer-links a:focus-visible {
    color: var(--lyra-primary);
}

/* Responsive — tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .lyra-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 20px;
    }
}

/* Responsive — mobile / small tablet (≤768px, iPad portrait) */
@media (max-width: 768px) {
    .lyra-section {
        padding: 48px 20px;
    }

    .lyra-hero {
        padding-bottom: 10vh;
    }

    .lyra-hero h1 {
        letter-spacing: 0.2em;
    }

    .lyra-grid {
        grid-template-columns: 1fr;
        gap: var(--lyra-space-md);
        margin-top: var(--lyra-space-xl);
    }

    .lyra-card {
        padding: var(--lyra-space-lg) 20px;
    }

    .lyra-email-form {
        flex-direction: column;
        gap: var(--lyra-space-sm);
    }

    .lyra-email-form input {
        border-right: 1px solid var(--lyra-input-border);
        border-radius: var(--lyra-radius-sm);
    }

    .lyra-email-form button {
        border-radius: var(--lyra-radius-sm);
        width: 100%;
    }

    .lyra-footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .lyra-footer-links {
        justify-content: center;
        gap: var(--lyra-space-md);
    }

    .lyra-btn {
        display: flex;
        width: 100%;
        max-width: 320px;
        margin: var(--lyra-space-xs) auto;
    }
}

/* Responsive — phone (≤414px, iPhone Pro Max / 12 / SE) */
@media (max-width: 414px) {
    .lyra-section {
        padding: 40px 18px;
    }

    .lyra-hero h1 {
        letter-spacing: 0.18em;
    }

    .lyra-hero .subtitle {
        letter-spacing: 0.12em;
    }

    .lyra-card {
        padding: 22px 18px;
    }
}

/* Responsive — small phone (≤375px, iPhone SE) */
@media (max-width: 375px) {
    .lyra-section {
        padding: 32px 16px;
    }

    .lyra-card {
        padding: 20px 16px;
    }

    .lyra-footer {
        padding: 24px 16px;
    }

    .lyra-footer-links {
        gap: var(--lyra-space-sm);
    }

    .lyra-btn {
        padding: 14px 20px;
    }

    .lyra-hero h1 {
        letter-spacing: 0.14em;
    }

    .lyra-section-header h2 {
        letter-spacing: 0.1em;
    }
}

::selection {
    background: rgba(0, 212, 170, 0.3);
    color: var(--lyra-text);
}

/* Reduced motion support — consolidated */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }

    #lyra-overlay {
        scroll-behavior: auto !important;
    }

    .lyra-section {
        opacity: 1;
        transform: none;
    }

    .lyra-card:hover,
    .lyra-card:focus-within,
    .lyra-btn-primary:active,
    .lyra-btn-secondary:active {
        transform: none;
    }
}