/* ============================================================================
   COMPONENTS — Buttons, Cards, Badges, Inputs, Accordions
   ============================================================================ */

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.875rem 1.75rem;
    min-height: 44px;
    border: none;
    border-radius: var(--radius-xl);
    font-family: var(--font-body);
    font-size: var(--text-body);
    font-weight: var(--weight-semibold);
    text-decoration: none;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
    letter-spacing: var(--tracking-normal);
    line-height: 1;
}

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

/* Primary — gradient fill */
.btn-primary {
    background: var(--color-primary-gradient);
    color: var(--color-text-on-primary);
    box-shadow: var(--shadow-primary-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary-lg);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Secondary — surface background */
.btn-secondary {
    background: var(--color-surface-high);
    color: var(--color-primary-dark);  /* #005f5b — passes 4.5:1 on --color-surface-high */
    border: none;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-surface-highest);
}

/* Outline */
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-primary);
    color: var(--color-text-on-primary);
}

/* Outline Light (for dark backgrounds) */
.btn-outline-light {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover:not(:disabled) {
    background: white;
    color: var(--color-primary);
    border-color: white;
}

.btn-outline-light:focus-visible {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Ghost */
.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border: none;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-surface-low);
}

/* Sizes */
.btn-large {
    padding: 1rem 2rem;
    font-size: 1.0625rem;
}

.btn-small {
    padding: 0.625rem 1rem;
    font-size: var(--text-body-sm);
    min-height: 44px;
}

/* ── Cards ── */
.card {
    background: var(--color-surface-white);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-elevated {
    background: var(--color-surface-white);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

/* ── Badges / Trust Indicators ── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-pill);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    line-height: 1;
}

.badge-teal {
    background: var(--color-badge-teal-bg);
    color: var(--color-badge-teal-text);
}

.badge-success {
    background: var(--color-badge-green-bg);
    color: var(--color-badge-green-text);
}

/* ── Trust Strip ── */
.hero-trust-strip {
    padding: var(--space-6) 0;
    background: var(--color-surface-low);
}

.hero-trust-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-6) var(--space-8);
    list-style: none;
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
}

.hero-trust-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .hero-trust-list {
        flex-wrap: nowrap;
        justify-content: space-between;
    }
}

/* ── Pill Selectors (Drug Price Checker) ── */
.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.pill-group .pill-option {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    min-height: 44px;
    min-width: 44px;
    border: 2px solid var(--color-outline-variant);
    border-radius: var(--radius-pill);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text);
    background: var(--color-surface-white);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.pill-group .pill-option:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-tint);
}

.pill-group .pill-option[aria-checked="true"],
.pill-group .pill-option.active {
    background: var(--color-primary);
    color: var(--color-text-on-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-primary-sm);
}

.pill-group .pill-option:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ── Form Inputs ── */
.input {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    min-height: 48px;
    font-family: var(--font-body);
    font-size: var(--text-body);
    color: var(--color-text);
    background: var(--color-surface-low);
    border: 2px solid transparent;
    border-bottom-color: var(--color-outline-variant);
    border-radius: var(--radius-input) var(--radius-input) 0 0;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.input:focus:not(:focus-visible) {
    outline: none;
}

.input:focus {
    border-bottom-color: var(--color-primary);
    background: var(--color-surface-white);
}

.input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.input::placeholder {
    color: var(--color-text-muted);
}

/* ── Search Input (rounded) ── */
.search-input {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-12);
    min-height: 52px;
    font-family: var(--font-body);
    font-size: var(--text-body);
    color: var(--color-text);
    background: var(--color-surface-low);
    border: 2px solid transparent;
    border-radius: var(--radius-pill);
    transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-surface-white);
    box-shadow: var(--shadow-glow);
}

/* ── Accordion (FAQ) ── */
.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-5) 0;
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: var(--text-h4);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    min-height: 44px;
    transition: color var(--transition-fast);
}

.accordion-trigger:hover {
    color: var(--color-primary);
}

.accordion-trigger:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.accordion-chevron {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
}

.accordion-trigger[aria-expanded="true"] .accordion-chevron {
    transform: rotate(180deg);
}

.accordion-panel {
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--transition-slow);
}

.accordion-panel[aria-hidden="false"] {
    max-height: 500px;
}

.accordion-content {
    padding-bottom: var(--space-6);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ── Step Cards (How It Works) ── */
.features-grid,
.features-grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    position: relative;
}

@media (min-width: 768px) {
    .features-grid,
    .features-grid-3 {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }

    /* Connecting dotted line between steps */
    .features-grid-3::before {
        content: '';
        position: absolute;
        top: 52px;
        left: calc(16.67% + 40px);
        right: calc(16.67% + 40px);
        height: 2px;
        background: repeating-linear-gradient(
            90deg,
            var(--color-outline-variant) 0,
            var(--color-outline-variant) 8px,
            transparent 8px,
            transparent 16px
        );
        z-index: 0;
    }
}

.feature-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.feature-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-primary-gradient);
    color: var(--color-text-on-primary);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: var(--text-h3);
    font-weight: var(--weight-extrabold);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-primary-sm);
}

.feature-icon {
    margin-bottom: var(--space-3);
    color: var(--color-primary);
}

.feature-card h3 {
    margin-bottom: var(--space-2);
}

.feature-card p {
    font-size: var(--text-body-sm);
    max-width: 280px;
    margin: 0 auto;
}

.feature-link {
    display: inline-block;
    margin-top: var(--space-3);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-primary);
}

.feature-link:hover {
    color: var(--color-primary-dark);
}

/* ── Handoff Note ── */
.handoff-note {
    font-size: var(--text-body-sm);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.handoff-note-light {
    color: rgba(255, 255, 255, 0.9);
}

/* ── Hidden Select (for pill-group fallback) ── */
.hidden-select {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

/* ============================================================================
   PS DIRECTION A — shared utilities (Phase 3)
   ============================================================================
   Used by `.ps-home-*`, `.ps-pricing-*`, and future page rebuilds. Keeping
   the chip + tier-chip vocabulary in one place prevents drift across pages.
   ============================================================================ */

/* Filter / radio chip — used for strength, supply, category, sort selectors. */
.ps-chip {
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-family: var(--ps-font-body);
    font-weight: 500;
    border: 1px solid var(--ps-line);
    background: transparent;
    color: var(--ps-ink);
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.ps-chip:hover { border-color: var(--ps-ink); }

.ps-chip:focus-visible {
    outline: 2px solid var(--ps-teal);
    outline-offset: 2px;
}

.ps-chip-active,
.ps-chip[aria-checked="true"],
.ps-chip[aria-pressed="true"] {
    background: var(--ps-ink);
    border-color: var(--ps-ink);
    color: #fff;
}

/* Tier badge — small pill showing "TIER N" in teal-on-teal-light. */
.ps-tier-chip {
    display: inline-block;
    font-size: 11px;
    color: var(--ps-teal);
    background: var(--ps-teal-light);
    padding: 6px 12px;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
}

/* ─────────────────────────────────────────────────────────────────────────
   FINAL CTA STRIP (shared across index, about, for-prescribers, faq, pricing)
   Previously in homepage.css — extracted here because 3 of the 5 consuming
   pages don't load homepage.css, so the dark-navy card was never applied.
   ───────────────────────────────────────────────────────────────────────── */

.ps-home-cta {
    padding: 0 48px 96px;
    background: var(--ps-bg);
}

.ps-home-cta-card {
    background: var(--ps-ink);
    color: #fff;
    border-radius: 28px;
    padding: 72px 64px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.ps-home-cta-glow {
    position: absolute;
    right: -80px;
    top: -80px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(14, 93, 89, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.ps-home-cta-text { position: relative; }

.ps-home-cta-title {
    font-family: var(--ps-font-display);
    font-size: clamp(36px, 5vw, 52px);
    letter-spacing: -0.03em;
    margin: 0;
    font-weight: 400;
    line-height: 1.05;
    color: #fff;
}

.ps-home-cta-subtitle {
    font-size: 17px;
    color: var(--ps-ink-on-dark-muted);
    line-height: 1.5;
    margin: 20px 0 0;
    max-width: 480px;
}

.ps-home-cta-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
}

.ps-home-cta-primary,
.ps-home-cta-secondary {
    padding: 18px 24px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

.ps-home-cta-primary {
    background: #fff;
    color: var(--ps-ink);
}

.ps-home-cta-primary:hover { background: var(--ps-mint); }

.ps-home-cta-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.ps-home-cta-secondary:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.ps-home-cta-primary:focus-visible,
.ps-home-cta-secondary:focus-visible {
    outline: 2px solid var(--ps-mint);
    outline-offset: 2px;
}

@media (max-width: 1024px) {
    .ps-home-cta-card { grid-template-columns: 1fr; gap: 32px; padding: 56px 40px; }
}

@media (max-width: 768px) {
    .ps-home-cta      { padding: 0 24px 64px; }
    .ps-home-cta-card { padding: 48px 32px; }
}

@media (prefers-reduced-motion: reduce) {
    .ps-chip,
    .ps-home-cta-primary,
    .ps-home-cta-secondary { transition: none; }
}