/* ==========================================================================
   Prismatica Health — SEO Enhancement Styles v1.0
   File: assets/css/seo-enhancements.css
   Purpose: Additive styles only — loads AFTER main stylesheet
   ========================================================================== */

/* ── Custom Properties ─────────────────────────────────────────── */
:root {
    --ph-primary: #0052CC;
    --ph-primary-dark: #003D99;
    --ph-accent: #FF6B35;
    --ph-accent-hover: #E55A2B;
    --ph-dark: #1a1a2e;
    --ph-gray: #6B7280;
    --ph-light: #f8f9fa;
    --ph-white: #ffffff;
    --ph-success: #10B981;
    --ph-error: #EF4444;
    --ph-border: #e5e7eb;
    --ph-shadow: rgba(0, 82, 204, 0.15);
    --ph-radius: 10px;
    --ph-transition: 0.3s ease;
}

/* ── 1. Skip Navigation ─────────────────────────────────────────── */
.ph-skip-nav {
    position: fixed !important;
    top: -120% !important;
    left: 1rem;
    z-index: 10000;
    background: var(--ph-primary);
    color: var(--ph-white) !important;
    padding: 0.8rem 1.6rem;
    border-radius: 0 0 var(--ph-radius) var(--ph-radius);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: top var(--ph-transition);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    border: 2px solid var(--ph-primary-dark);
}

.ph-skip-nav:focus {
    top: 0 !important;
    outline: 3px solid #FFD700;
    outline-offset: 2px;
}

/* ── 2. Screen Reader Only Utility ──────────────────────────────── */
.ph-sr-only,
.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;
}

/* ── 3. Focus Ring Improvements ─────────────────────────────────── */
*:focus-visible {
    outline: 3px solid var(--ph-primary);
    outline-offset: 2px;
    border-radius: 3px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--ph-primary);
    outline-offset: 3px;
}

/* ── 4. FAQ Accordion (for <details>/<summary>) ──────────────────── */
.seo-faq {
    max-width: 860px;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.seo-faq details {
    border: 1px solid var(--ph-border);
    border-radius: var(--ph-radius);
    margin-bottom: 0.7rem;
    background: var(--ph-white);
    overflow: hidden;
    transition: box-shadow var(--ph-transition);
}

.seo-faq details:hover {
    box-shadow: 0 4px 20px var(--ph-shadow);
}

.seo-faq summary {
    padding: 1.1rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--ph-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: color var(--ph-transition), background var(--ph-transition);
}

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

.seo-faq summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--ph-primary);
    font-weight: 300;
    flex-shrink: 0;
    transition: transform var(--ph-transition);
    line-height: 1;
}

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

.seo-faq details[open] summary::after {
    transform: rotate(45deg);
}

.seo-faq details[open]>*:not(summary) {
    padding: 1rem 1.5rem 1.25rem;
    color: var(--ph-gray);
    line-height: 1.75;
    font-size: 0.96rem;
    animation: ph-faq-open 0.25s ease;
}

@keyframes ph-faq-open {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── 5. Trust Badges Bar ─────────────────────────────────────────── */
.ph-trust-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0;
    background: var(--ph-primary);
    padding: 1rem;
    width: 100%;
}

.ph-trust-badge {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--ph-white);
    padding: 0.55rem 1.4rem;
    border-right: 1px solid rgba(255, 255, 255, 0.18);
    flex: 0 0 auto;
}

.ph-trust-badge:last-child {
    border-right: none;
}

.ph-trust-badge-icon {
    font-size: 1.35rem;
    line-height: 1;
}

.ph-trust-badge-text strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
}

.ph-trust-badge-text span {
    font-size: 0.76rem;
    opacity: 0.82;
}

@media (max-width: 768px) {
    .ph-trust-bar {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .ph-trust-badge {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        justify-content: center;
    }

    .ph-trust-badge:last-child {
        border-bottom: none;
    }

    .ph-trust-badge:nth-child(odd) {
        border-right: 1px solid rgba(255, 255, 255, 0.15);
    }
}

/* ── 6. Sticky Mobile CTA Bar ───────────────────────────────────── */
.ph-mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9998;
    height: 58px;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.22);
    transform: translateY(0);
    transition: transform var(--ph-transition);
    will-change: transform;
}

.ph-mobile-cta.ph-cta-hidden {
    transform: translateY(100%);
}

.ph-mobile-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50%;
    height: 100%;
    font-weight: 700;
    font-size: 0.92rem;
    text-decoration: none;
    color: var(--ph-white);
    letter-spacing: 0.02em;
    gap: 0.4rem;
    border: none;
    transition: filter var(--ph-transition);
    float: left;
}

.ph-mobile-cta-btn:hover {
    filter: brightness(1.12);
}

.ph-mobile-cta-call {
    background: var(--ph-primary);
}

.ph-mobile-cta-audit {
    background: var(--ph-accent);
}

@media (max-width: 768px) {
    .ph-mobile-cta {
        display: flex;
    }
}

/* ── 7. Cookie Consent Banner ───────────────────────────────────── */
.ph-cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--ph-dark);
    color: var(--ph-white);
    padding: 1rem 1.5rem;
    box-shadow: 0 -4px 32px rgba(0, 0, 0, 0.4);
    animation: ph-slide-up 0.4s ease;
}

.ph-cookie-banner.ph-cookie-visible {
    display: block;
}

@keyframes ph-slide-up {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

.ph-cookie-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.ph-cookie-inner p {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.6;
}

.ph-cookie-inner a {
    color: #60a5fa;
}

.ph-cookie-actions {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.ph-cookie-btn {
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--ph-transition);
}

.ph-cookie-btn-accept {
    background: var(--ph-primary);
    color: var(--ph-white);
    border-color: var(--ph-primary);
}

.ph-cookie-btn-accept:hover {
    background: var(--ph-primary-dark);
}

.ph-cookie-btn-essential {
    background: transparent;
    color: var(--ph-white);
}

.ph-cookie-btn-essential:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 640px) {
    .ph-cookie-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .ph-cookie-actions {
        width: 100%;
    }

    .ph-cookie-btn {
        flex: 1;
        text-align: center;
    }
}

/* ── 8. Back to Top Button ──────────────────────────────────────── */
.ph-back-to-top {
    position: fixed;
    bottom: 5rem;
    right: 1.5rem;
    z-index: 9997;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--ph-primary);
    color: var(--ph-white);
    border: none;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px var(--ph-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(1rem);
    transition: opacity var(--ph-transition), visibility var(--ph-transition), transform var(--ph-transition), background var(--ph-transition);
    will-change: transform, opacity;
}

.ph-back-to-top.ph-btt-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.ph-back-to-top:hover {
    background: var(--ph-primary-dark);
    transform: translateY(-4px);
}

@media (max-width: 768px) {
    .ph-back-to-top {
        bottom: 4.5rem;
        right: 1rem;
    }
}

/* ── 9. Announcement Bar ────────────────────────────────────────── */
.ph-announce-bar {
    width: 100%;
    background: var(--ph-primary);
    color: var(--ph-white);
    text-align: center;
    padding: 0.55rem 3rem;
    font-size: 0.88rem;
    position: relative;
    z-index: 1060;
    line-height: 1.5;
    transition: max-height 0.4s ease, opacity 0.3s ease;
    max-height: 80px;
    overflow: hidden;
}

.ph-announce-bar.ph-announce-closed {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.ph-announce-bar a {
    color: #FFD700;
    font-weight: 700;
    text-underline-offset: 3px;
}

.ph-announce-close {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--ph-white);
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.8;
    padding: 0.25rem 0.5rem;
    line-height: 1;
    transition: opacity var(--ph-transition);
}

.ph-announce-close:hover {
    opacity: 1;
}

@media (max-width: 576px) {
    .ph-announce-bar {
        font-size: 0.8rem;
        padding: 0.55rem 2.5rem;
    }
}

/* ── 10. Footer SEO Block ───────────────────────────────────────── */
.ph-footer-seo {
    padding: 3rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.ph-footer-seo-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
}

.ph-footer-seo-col h3,
.ph-footer-seo-col h4 {
    margin-bottom: 1rem;
}

.ph-footer-seo-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0;
    flex-direction: column;
}

.ph-footer-seo-links a {
    font-size: 0.88rem;
    line-height: 1.6;
    transition: color var(--ph-transition);
}

.ph-footer-seo address {
    font-style: normal;
    line-height: 1.8;
    font-size: 0.88rem;
}

@media (max-width: 992px) {
    .ph-footer-seo-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .ph-footer-seo-grid {
        grid-template-columns: 1fr;
    }
}

/* ── 11. Reading Progress Bar ───────────────────────────────────── */
.ph-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10001;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--ph-primary), var(--ph-accent));
    transition: width 0.1s linear;
    pointer-events: none;
}

/* ── 12. Print Stylesheet ───────────────────────────────────────── */
@media print {

    .ph-mobile-cta,
    .ph-cookie-banner,
    .ph-back-to-top,
    .ph-announce-bar,
    .ph-reading-progress,
    nav,
    .navbar,
    .footer-bottom,
    [class*="cta-"],
    [class*="-cta"] {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #555;
    }

    a[href^="tel:"]::after,
    a[href^="mailto:"]::after {
        content: "";
    }
}

/* ── 13. Reduced Motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {

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

    html {
        scroll-behavior: auto;
    }

    .ph-reading-progress {
        transition: none;
    }
}