/* ============================================================
   Product Info Sections — Frontend CSS
   Matches the design from seinfeldmd.com & lavimd.com
   ============================================================ */

/* ── Shared ──────────────────────────────────────────────── */
.pis-section {
    padding: 64px 0;
    width: 100%;
}

.pis-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.pis-eyebrow {
    text-align: center;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: #7c6bb0;
    margin-bottom: 10px;
}

.pis-section-heading {
    text-align: center;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: #2d1a5a;
    margin-bottom: 40px;
    line-height: 1.2;
}

.pis-section-heading em {
    font-style: italic;
    color: #5a3e9e;
}

/* ── HOW TO USE ──────────────────────────────────────────── */
.pis-how-to-use {
    background: #f8f5f2;
}

.pis-protocol-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.pis-protocol-card {
    background: #fff;
    border: 1px solid #e8e0f0;
    border-radius: 8px;
    padding: 28px 20px;
    text-align: center;
    transition: transform .2s, box-shadow .2s;
}

.pis-protocol-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(90,62,158,.1);
}

.pis-card-icon {
    font-size: 36px;
    margin-bottom: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pis-card-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.pis-emoji-icon {
    display: inline-block;
    width: 52px;
    height: 52px;
    background: #f0eaf8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.pis-card-title {
    font-size: 16px;
    font-weight: 700;
    color: #5a3e9e;
    margin-bottom: 10px;
}

.pis-card-content {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin: 0;
}

/* ── SCIENCE + ADVANTAGE ─────────────────────────────────── */
.pis-science-section {
    background: #2d1a5a;
    color: #e8dff8;
}

.pis-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

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

.pis-eyebrow-light {
    color: #c5a9f5;
    text-align: left;
}

.pis-science-heading {
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 20px;
    text-align: left;
}

.pis-science-heading em {
    color: #c5a9f5;
    font-style: italic;
}

.pis-science-body {
    font-size: 15px;
    color: #d4c7f0;
    line-height: 1.75;
}

/* Advantage Panel */
.pis-advantage-panel {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 12px;
    padding: 28px 24px;
}

.pis-advantage-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: #c5a9f5;
    margin-bottom: 20px;
}

.pis-advantage-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pis-advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.pis-advantage-item:last-child {
    border-bottom: none;
}

.pis-adv-icon {
    font-size: 22px;
    flex-shrink: 0;
    margin-top: 2px;
}

.pis-adv-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.pis-adv-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pis-adv-text strong {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
}

.pis-adv-text span {
    font-size: 13px;
    color: #bca8e8;
}

/* ── BENEFIT CARDS ───────────────────────────────────────── */
.pis-benefits-section {
    background: #fff;
}

.pis-benefits-heading {
    color: #1a1a2e;
}

.pis-benefits-subtext {
    text-align: center;
    font-size: 15px;
    color: #666;
    max-width: 700px;
    margin: -20px auto 36px;
    line-height: 1.6;
}

.pis-benefit-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.pis-benefit-card {
    border: 1px solid #e8e8ec;
    border-radius: 10px;
    padding: 24px;
    background: #fff;
    transition: box-shadow .2s;
}

.pis-benefit-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,.08);
}

.pis-benefit-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: inline-block;
}

.pis-benefit-icon img {
    width: 32px;
    height: 32px;
}

.pis-benefit-title {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.pis-benefit-desc {
    font-size: 13px;
    color: #555;
    line-height: 1.65;
    margin-bottom: 14px;
}

.pis-benefit-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.pis-tag {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #5a3e9e;
    background: #f0eaf8;
    border-radius: 3px;
    padding: 3px 7px;
}

/* Trust row below benefit cards */
.pis-trust-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    padding: 20px;
    background: #f5f3fa;
    border-radius: 8px;
}

.pis-trust-badge {
    font-size: 13px;
    color: #444;
    font-weight: 500;
}

.pis-trust-badge::before {
    content: '✓ ';
    color: #5a3e9e;
    font-weight: 700;
}

/* ── FAQ + PROTOCOL ──────────────────────────────────────── */
.pis-faq-section {
    background: #faf9fc;
}

.pis-faq-layout {
    grid-template-columns: 3fr 2fr;
    gap: 56px;
    align-items: start;
}

@media (max-width: 900px) {
    .pis-faq-layout { grid-template-columns: 1fr; }
}

.pis-faq-heading {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 28px;
}

/* Accordion */
.pis-accordion {
    border-top: 1px solid #e0dcea;
}

.pis-accordion-item {
    border-bottom: 1px solid #e0dcea;
}

.pis-accordion-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    padding: 18px 4px;
    font-size: 15px;
    font-weight: 600;
    color: #1a1a2e;
    cursor: pointer;
    text-align: left;
    gap: 12px;
    transition: color .15s;
}

.pis-accordion-toggle:hover {
    color: #5a3e9e;
}

.pis-accordion-icon {
    font-size: 20px;
    font-weight: 300;
    color: #c0392b;
    flex-shrink: 0;
    line-height: 1;
    transition: transform .2s;
}

.pis-accordion-content {
    padding: 0 4px 18px;
}

.pis-accordion-body {
    font-size: 14px;
    color: #555;
    line-height: 1.75;
}

.pis-accordion-body ul {
    margin: 10px 0 0 18px;
}

.pis-accordion-body li {
    margin-bottom: 6px;
}

/* Protocol Table */
.pis-protocol-right {
    background: #fff;
    border: 1px solid #e0dcea;
    border-radius: 10px;
    overflow: hidden;
}

.pis-protocol-title {
    background: #f5f3fa;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #7c6bb0;
    text-transform: uppercase;
    padding: 14px 20px;
    margin: 0;
    border-bottom: 1px solid #e0dcea;
}

.pis-protocol-table {
    width: 100%;
    border-collapse: collapse;
}

.pis-protocol-table tr {
    border-bottom: 1px solid #f0eef8;
}

.pis-protocol-table tr:last-child {
    border-bottom: none;
}

.pis-proto-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #888;
    padding: 16px 20px;
    vertical-align: top;
    width: 90px;
}

.pis-proto-value {
    font-size: 14px;
    color: #1a1a2e;
    padding: 16px 20px 16px 0;
    line-height: 1.6;
}

.pis-proto-value strong {
    font-weight: 700;
}

/* Storage Box */
.pis-storage-box {
    border-top: 1px solid #e0dcea;
    padding: 16px 20px;
}

.pis-storage-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #7c6bb0;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.pis-storage-box ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pis-storage-box li {
    font-size: 13px;
    color: #555;
    padding: 4px 0;
    padding-left: 14px;
    position: relative;
}

.pis-storage-box li::before {
    content: '●';
    position: absolute;
    left: 0;
    font-size: 8px;
    top: 6px;
    color: #c0392b;
}

/* ── TRUST BADGES BAR ────────────────────────────────────── */
.pis-badges-section {
    background: #fff;
    padding: 32px 0;
    border-top: 1px solid #eeebf8;
    border-bottom: 1px solid #eeebf8;
}

.pis-badges-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
}

.pis-badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #333;
}

.pis-badge-icon {
    width: 28px;
    height: 28px;
    background: #f0eaf8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #5a3e9e;
    font-weight: 700;
    flex-shrink: 0;
}

.pis-badge-text {
    font-weight: 500;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
    .pis-section { padding: 40px 0; }
    .pis-protocol-cards { grid-template-columns: 1fr 1fr; }
    .pis-benefit-cards-grid { grid-template-columns: 1fr; }
    .pis-badges-bar { gap: 16px; }
}
