/* ============================================================
   SafeSource Peptides — Light Premium Brand System v2
   Built by JCB Industries
   Design philosophy: Clinical clarity. White space as luxury.
   The vials ARE the product. Let them breathe.
   Type: Inter (body), Space Grotesk (display)
   Colors: White base, emerald green accent, slate ink
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    /* Brand */
    --green: #16a34a;
    --green-bright: #22c55e;
    --green-dark: #15803d;
    --green-light: #dcfce7;
    --green-glow: rgba(22, 163, 74, 0.08);
    --green-glow-strong: rgba(22, 163, 74, 0.12);
    
    /* Neutrals — warm white, not sterile */
    --bg: #ffffff;
    --bg-soft: #fafafa;
    --bg-tint: #f8fafc;
    --bg-green: #f0fdf4;
    --bg-gray: #f5f5f5;
    
    /* Ink */
    --ink: #0f172a;
    --ink-2: #1e293b;
    --ink-3: #334155;
    --text: #334155;
    --text-dim: #64748b;
    --text-faint: #94a3b8;
    
    /* UI */
    --border: #e2e8f0;
    --border-green: #bbf7d0;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 100px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-green: 0 4px 20px rgba(22, 163, 74, 0.15);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --display: 'Space Grotesk', sans-serif;
    --body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }

/* ===== DEMO BANNER ===== */
.demo-banner {
    background: var(--ink);
    color: white;
    text-align: center;
    padding: 6px 20px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
    position: relative;
    z-index: 9999;
}

/* ===== AGE GATE ===== */
.age-overlay {
    position: fixed; inset: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(16px);
    z-index: 10000;
    display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 20px;
}
.age-overlay h2 {
    font-family: var(--display);
    font-size: 1.8rem; color: var(--ink); margin-bottom: 12px;
}
.age-overlay p { color: var(--text-dim); margin-bottom: 28px; max-width: 400px; }
.age-overlay .logo-area {
    width: 72px; height: 72px; margin: 0 auto 24px;
}
.age-overlay .logo-area img { width: 100%; height: 100%; }
.age-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--green); color: white;
    padding: 13px 26px; border-radius: var(--radius-pill);
    font-family: var(--body); font-weight: 700; font-size: 14px;
    border: none; cursor: pointer; transition: var(--transition);
    box-shadow: var(--shadow-green);
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: white; color: var(--ink);
    padding: 13px 26px; border-radius: var(--radius-pill);
    font-family: var(--body); font-weight: 600; font-size: 14px;
    border: 1.5px solid var(--border); cursor: pointer; transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); }

/* ===== NAVIGATION ===== */
nav {
    position: sticky; top: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    z-index: 9000; padding: 8px 0;
}
.nav-container {
    max-width: 1280px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 110px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a {
    font-size: 14px; font-weight: 500; color: var(--text-dim);
}
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.cart-btn {
    background: var(--bg-tint); border: 1px solid var(--border);
    border-radius: var(--radius); width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 18px; position: relative; transition: var(--transition);
}
.cart-btn:hover { border-color: var(--green); background: var(--bg-green); }
.cart-count {
    position: absolute; top: -6px; right: -6px;
    background: var(--green); color: white; border-radius: 50%;
    width: 20px; height: 20px; font-size: 11px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid white;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    background: linear-gradient(180deg, var(--bg-green) 0%, var(--bg) 60%);
    overflow: hidden;
    padding: 60px 24px 80px;
}
.hero-glow {
    position: absolute; top: -100px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%);
    z-index: 0;
}
.hero-content {
    position: relative; z-index: 1;
    max-width: 1280px; margin: 0 auto;
    display: grid; grid-template-columns: 1.1fr 1fr;
    gap: 60px; align-items: center;
}
.hero-text { max-width: 560px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: white; border: 1px solid var(--border-green);
    color: var(--green-dark);
    padding: 7px 16px; border-radius: var(--radius-pill);
    font-size: 13px; font-weight: 600; margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.hero h1 {
    font-family: var(--display);
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    font-weight: 700; color: var(--ink);
    line-height: 1.1; margin-bottom: 20px; letter-spacing: -1.2px;
}
.hero h1 .highlight { color: var(--green); }
.hero-subtitle {
    font-size: 1.1rem; color: var(--text-dim);
    margin-bottom: 32px; line-height: 1.7;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.hero-stat strong {
    font-family: var(--display); font-size: 1.7rem;
    color: var(--ink); display: block;
}
.hero-stat span { font-size: 13px; color: var(--text-dim); }

/* Hero showcase */
.hero-showcase {
    display: flex; justify-content: center; align-items: center;
    position: relative; padding: 20px;
}
.hero-vial-main {
    width: 340px; height: 340px; object-fit: contain;
    filter: drop-shadow(0 25px 50px rgba(0,0,0,0.15));
    animation: float 5s ease-in-out infinite;
    z-index: 2;
}
.hero-vial-side {
    position: absolute; width: 190px; height: 190px;
    object-fit: contain;
    filter: drop-shadow(0 15px 35px rgba(0,0,0,0.1));
}
.hero-vial-side.left { left: -30px; bottom: 30px; transform: rotate(-6deg); opacity: 0.8; z-index: 1; }
.hero-vial-side.right { right: -20px; top: 30px; transform: rotate(6deg); opacity: 0.8; z-index: 1; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

/* ===== TRUST BAR ===== */
.trust-bar {
    background: var(--ink);
    padding: 18px 0;
}
.trust-grid {
    max-width: 1280px; margin: 0 auto; padding: 0 24px;
    display: grid; grid-template-columns: repeat(6, 1fr);
    gap: 16px; text-align: center;
}
.trust-item h3 {
    font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.9);
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.trust-icon { color: var(--green-bright); font-size: 15px; }

/* ===== SECTIONS ===== */
section { padding: 80px 24px; }
.section-container { max-width: 1280px; margin: 0 auto; }
.section-label {
    display: inline-block; color: var(--green);
    font-size: 12px; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; margin-bottom: 10px;
}
.section-title {
    font-family: var(--display);
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 700; color: var(--ink);
    margin-bottom: 12px; letter-spacing: -0.5px;
}
.section-subtitle {
    font-size: 1.05rem; color: var(--text-dim);
    margin-bottom: 48px; max-width: 600px;
}

/* ===== PRODUCT CARDS ===== */
.products-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.product-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}
.product-card:hover {
    border-color: var(--border-green);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.product-badge {
    position: absolute; top: 12px; left: 12px;
    background: var(--green); color: white;
    padding: 4px 12px; border-radius: var(--radius-pill);
    font-size: 11px; font-weight: 700; z-index: 2;
}
.product-image {
    background: linear-gradient(135deg, var(--bg-tint), var(--bg-green));
    padding: 30px;
    display: flex; align-items: center; justify-content: center;
    min-height: 280px;
}
.product-image img {
    max-width: 200px; max-height: 240px;
    object-fit: contain; transition: transform var(--transition);
}
.product-card:hover .product-image img { transform: scale(1.06); }
.product-info { padding: 24px; }
.product-category {
    font-size: 11px; color: var(--green); font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px;
}
.product-name {
    font-family: var(--display); font-size: 1.25rem;
    font-weight: 600; color: var(--ink); margin-bottom: 6px;
}
.product-desc { font-size: 13px; color: var(--text-dim); margin-bottom: 14px; line-height: 1.5; }
.product-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.stars { color: #f59e0b; font-size: 14px; letter-spacing: 1px; }
.rating-text { font-size: 12px; color: var(--text-dim); }
.product-bottom {
    display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;
}
.product-price {
    font-family: var(--display); font-size: 1.5rem;
    font-weight: 700; color: var(--ink);
}
.product-price .sub { font-size: 13px; color: var(--text-dim); font-weight: 400; }
.product-subscribe {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-green); border: 1px solid var(--border-green);
    padding: 8px 14px; border-radius: var(--radius);
    font-size: 12px; color: var(--green-dark); font-weight: 500; margin-bottom: 12px;
    cursor: pointer;
}
.product-subscribe input { accent-color: var(--green); }
.product-actions { display: flex; gap: 8px; }
.btn-add {
    flex: 1; background: var(--green); color: white;
    padding: 11px; border-radius: var(--radius); border: none;
    font-weight: 700; font-size: 13px; cursor: pointer; transition: var(--transition);
}
.btn-add:hover { background: var(--green-dark); }
.btn-coa {
    background: var(--bg-tint); color: var(--text-dim);
    padding: 11px 16px; border-radius: var(--radius);
    border: 1px solid var(--border); font-size: 13px;
    cursor: pointer; transition: var(--transition);
}
.btn-coa:hover { color: var(--green); border-color: var(--border-green); }

/* ===== LAB TESTING ===== */
.lab-section { background: var(--bg-soft); }
.lab-grid {
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 40px;
}
.lab-step {
    text-align: center; padding: 24px 16px;
    background: white; border: 1px solid var(--border);
    border-radius: var(--radius); transition: var(--transition);
}
.lab-step:hover { border-color: var(--border-green); box-shadow: var(--shadow); }
.lab-step .step-num {
    font-family: var(--display); font-size: 1.4rem;
    color: var(--green); font-weight: 700; margin-bottom: 8px;
}
.lab-step h3 { font-size: 13px; color: var(--ink); font-weight: 600; }

/* ===== REVIEWS ===== */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card {
    background: white; border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 32px;
}
.review-stars { color: #f59e0b; font-size: 16px; letter-spacing: 2px; margin-bottom: 14px; }
.review-text { font-size: 14px; color: var(--text); line-height: 1.7; margin-bottom: 20px; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--bg-green); border: 1px solid var(--border-green);
    display: flex; align-items: center; justify-content: center;
    color: var(--green); font-weight: 700; font-size: 15px;
}
.review-name { font-weight: 600; color: var(--ink); font-size: 14px; }
.review-role { font-size: 12px; color: var(--text-dim); }
.review-verified {
    display: inline-flex; align-items: center; gap: 4px;
    color: var(--green); font-size: 11px; font-weight: 600; margin-top: 4px;
}

/* ===== BLOG ===== */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card {
    background: white; border: 1px solid var(--border);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: var(--transition); cursor: pointer;
}
.blog-card:hover { border-color: var(--border-green); transform: translateY(-3px); box-shadow: var(--shadow); }
.blog-tag {
    display: inline-block; color: var(--green);
    font-size: 11px; font-weight: 700; letter-spacing: 1px;
    text-transform: uppercase; margin-bottom: 8px;
}
.blog-card-content { padding: 24px; }
.blog-card h3 { font-size: 1.05rem; color: var(--ink); margin-bottom: 8px; font-weight: 600; line-height: 1.4; }
.blog-card p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }
.blog-meta { font-size: 12px; color: var(--text-faint); margin-top: 12px; }

/* ===== EMAIL ===== */
.email-section {
    background: linear-gradient(135deg, var(--bg-green), var(--bg-tint));
    border-top: 1px solid var(--border-green);
    text-align: center;
}
.email-form {
    display: flex; gap: 12px; max-width: 480px; margin: 28px auto 0;
}
.email-form input {
    flex: 1; background: white; border: 1.5px solid var(--border);
    border-radius: var(--radius-pill); padding: 13px 24px;
    color: var(--ink); font-size: 15px; font-family: var(--body);
    outline: none; transition: var(--transition);
}
.email-form input:focus { border-color: var(--green); box-shadow: var(--shadow-green); }
.email-form input::placeholder { color: var(--text-faint); }

/* ===== FAQ ===== */
.faq-item {
    background: white; border: 1px solid var(--border);
    border-radius: var(--radius); margin-bottom: 10px; overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-green); }
.faq-question {
    padding: 18px 24px; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center;
    font-weight: 600; color: var(--ink); font-size: 15px;
}
.faq-icon { color: var(--green); font-size: 18px; transition: transform var(--transition); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
    max-height: 0; overflow: hidden;
    transition: max-height var(--transition), padding var(--transition);
    padding: 0 24px; color: var(--text-dim); font-size: 14px; line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 18px; }

/* ===== CART DRAWER ===== */
.cart-overlay {
    position: fixed; inset: 0; background: rgba(15,23,42,0.3);
    backdrop-filter: blur(4px); z-index: 9500;
    opacity: 0; visibility: hidden; transition: var(--transition);
}
.cart-overlay.open { opacity: 1; visibility: visible; }
.cart-drawer {
    position: fixed; top: 0; right: 0; width: 400px; max-width: 100%; height: 100vh;
    background: white; border-left: 1px solid var(--border); z-index: 9600;
    transform: translateX(100%); transition: transform var(--transition);
    display: flex; flex-direction: column;
}
.cart-drawer.open { transform: translateX(0); }
.cart-header {
    padding: 20px 24px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.cart-header h3 { font-family: var(--display); color: var(--ink); font-size: 1.15rem; }
.cart-close {
    background: var(--bg-tint); border: 1px solid var(--border); border-radius: 50%;
    width: 34px; height: 34px; color: var(--ink); cursor: pointer; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
}
.cart-items { flex: 1; overflow-y: auto; padding: 16px 24px; }
.cart-empty { text-align: center; color: var(--text-dim); padding: 60px 20px; }
.cart-item { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.cart-item img {
    width: 56px; height: 56px; object-fit: contain;
    border-radius: var(--radius); background: var(--bg-tint); padding: 4px;
    border: 1px solid var(--border);
}
.cart-item-info { flex: 1; }
.cart-item-info h4 { font-size: 14px; color: var(--ink); font-weight: 600; }
.cart-item-price { color: var(--green); font-weight: 700; font-size: 14px; }
.cart-item-qty { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.cart-qty-btn {
    width: 28px; height: 28px; background: white; border: 1px solid var(--border);
    border-radius: 6px; color: var(--ink); cursor: pointer; font-size: 14px;
}
.cart-footer { padding: 24px; border-top: 1px solid var(--border); }
.cart-shipping-bar {
    background: var(--bg-tint); border-radius: var(--radius);
    padding: 12px 16px; margin-bottom: 16px;
    font-size: 13px; color: var(--text-dim);
}
.cart-shipping-bar .progress {
    height: 4px; background: var(--border); border-radius: 2px; margin-top: 8px; overflow: hidden;
}
.cart-shipping-bar .progress-fill {
    height: 100%; background: var(--green); border-radius: 2px; transition: width var(--transition);
}
.cart-total { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.cart-total .amount { font-family: var(--display); font-size: 1.4rem; color: var(--ink); font-weight: 700; }
.btn-checkout {
    width: 100%; background: var(--green); color: white;
    padding: 15px; border-radius: var(--radius-pill); border: none;
    font-weight: 700; font-size: 15px; cursor: pointer; transition: var(--transition);
}
.btn-checkout:hover { background: var(--green-dark); }

/* ===== AGENTÉ CHATBOT WIDGET ===== */
.chat-launcher {
    position: fixed; bottom: 24px; right: 24px; z-index: 9500;
    background: white; border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    border: 1px solid var(--border);
    overflow: hidden; cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    width: 340px; max-width: calc(100vw - 48px);
}
.chat-launcher:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.16); }
.chat-launcher.hidden { display: none; }

.chat-launcher-header {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; background: var(--ink);
}
.chat-launcher-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--green); display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
    border: 2px solid rgba(255,255,255,0.15);
}
.chat-launcher-info { color: white; }
.chat-launcher-info strong { font-size: 14px; display: block; font-weight: 600; }
.chat-launcher-status {
    font-size: 12px; color: rgba(255,255,255,0.6);
    display: flex; align-items: center; gap: 5px;
}
.chat-launcher-status .dot {
    width: 7px; height: 7px; border-radius: 50%; background: var(--green-bright);
    box-shadow: 0 0 0 3px rgba(34,197,94,0.2);
}

.chat-launcher-body { padding: 16px; }
.chat-launcher-preview {
    background: var(--bg-soft); border-radius: 12px;
    padding: 12px 14px; font-size: 14px; color: var(--text);
    line-height: 1.5; margin-bottom: 14px;
    border: 1px solid var(--border);
}
.chat-launcher-preview strong { color: var(--ink); }
.chat-launcher-action {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    background: var(--green); color: white;
    border: none; padding: 11px; border-radius: 12px;
    font-family: var(--body); font-weight: 600; font-size: 14px;
    cursor: pointer; transition: var(--transition); width: 100%;
}
.chat-launcher-action:hover { background: var(--green-dark); }

/* When chat is open, hide launcher, show window */
.chat-toggle { display: none; }
.chat-toggle-icon { font-size: 26px; }
.chat-toggle-badge { display: none; }
.chat-window {
    position: fixed; bottom: 24px; right: 24px; z-index: 9600;
    width: 380px; max-width: calc(100vw - 48px); height: 560px; max-height: calc(100vh - 48px);
    background: white; border-radius: var(--radius-lg);
    box-shadow: 0 12px 50px rgba(0,0,0,0.15);
    display: none; flex-direction: column; overflow: hidden;
    border: 1px solid var(--border);
}
.chat-window.open { display: flex; animation: chatSlideUp 0.3s ease; }
@keyframes chatSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.chat-header {
    background: var(--ink); color: white;
    padding: 16px 20px; display: flex; align-items: center; gap: 12px;
}
.chat-header-avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--green); display: flex;
    align-items: center; justify-content: center; font-size: 20px;
    border: 2px solid rgba(255,255,255,0.2);
}
.chat-header-info h4 { font-size: 14px; font-weight: 600; }
.chat-header-info p { font-size: 12px; opacity: 0.7; display: flex; align-items: center; gap: 4px; }
.chat-status-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--green-bright); display: inline-block;
}
.chat-close {
    margin-left: auto; background: rgba(255,255,255,0.1); border: none;
    color: white; font-size: 18px; cursor: pointer;
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.chat-messages {
    flex: 1; overflow-y: auto; padding: 20px;
    display: flex; flex-direction: column; gap: 12px;
    background: var(--bg-soft);
}
.chat-msg { max-width: 80%; padding: 10px 14px; border-radius: var(--radius); font-size: 14px; line-height: 1.5; }
.chat-msg.bot {
    background: white; border: 1px solid var(--border);
    border-bottom-left-radius: 4px; color: var(--text);
    align-self: flex-start;
}
.chat-msg.user {
    background: var(--green); color: white;
    border-bottom-right-radius: 4px; align-self: flex-end;
}
.chat-quick-replies {
    padding: 8px 12px; display: flex; flex-wrap: wrap; gap: 6px;
    background: var(--bg-soft); border-top: 1px solid var(--border);
}
.chat-quick-btn {
    background: white; border: 1px solid var(--border-green);
    color: var(--green-dark); padding: 6px 12px;
    border-radius: var(--radius-pill); font-size: 12px; font-weight: 500;
    cursor: pointer; transition: var(--transition);
}
.chat-quick-btn:hover { background: var(--bg-green); }
.chat-input-area {
    padding: 12px 16px; border-top: 1px solid var(--border);
    display: flex; gap: 8px; background: white;
}
.chat-input {
    flex: 1; border: 1px solid var(--border); border-radius: var(--radius-pill);
    padding: 10px 16px; font-size: 14px; font-family: var(--body);
    color: var(--ink); outline: none; transition: var(--transition);
}
.chat-input:focus { border-color: var(--green); }
.chat-send {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--green); border: none; color: white;
    cursor: pointer; font-size: 16px; transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.chat-send:hover { background: var(--green-dark); }
.chat-typing {
    display: flex; gap: 4px; padding: 8px 14px;
    background: white; border: 1px solid var(--border);
    border-radius: var(--radius); border-bottom-left-radius: 4px;
    align-self: flex-start; width: fit-content;
}
.chat-typing span {
    width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint);
    animation: typingBounce 1.4s infinite ease-in-out;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}
.chat-powered {
    padding: 6px 16px; text-align: center; font-size: 10px;
    color: var(--text-faint); background: white;
    border-top: 1px solid var(--border);
}
.chat-powered a { color: var(--green); font-weight: 600; }

/* ===== EXIT POPUP ===== */
.exit-popup {
    position: fixed; inset: 0; background: rgba(15,23,42,0.4);
    backdrop-filter: blur(8px); z-index: 9700;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: var(--transition);
}
.exit-popup.open { opacity: 1; visibility: visible; }
.exit-popup-content {
    background: white; border: 1px solid var(--border-green);
    border-radius: var(--radius-xl); padding: 40px;
    max-width: 440px; text-align: center; position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.exit-popup-close {
    position: absolute; top: 14px; right: 14px;
    background: var(--bg-tint); border: 1px solid var(--border);
    color: var(--text-dim); font-size: 18px; cursor: pointer;
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}

/* ===== FOOTER ===== */
footer {
    background: var(--ink); color: rgba(255,255,255,0.6);
    padding: 60px 24px 32px;
}
.footer-container { max-width: 1280px; margin: 0 auto; }
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px; margin-bottom: 40px;
}
.footer-brand img { height: 80px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 14px; max-width: 300px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
    width: 38px; height: 38px; background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; transition: var(--transition);
}
.footer-social a:hover { border-color: var(--green); color: var(--green-bright); }
.footer-col h4 {
    font-size: 12px; color: white; text-transform: uppercase;
    letter-spacing: 1.5px; margin-bottom: 16px; font-weight: 700;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.5); }
.footer-col ul li a:hover { color: var(--green-bright); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
    text-align: center; color: rgba(255,255,255,0.4); font-size: 13px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; gap: 30px; }
    .hero-showcase { order: -1; }
    .hero-vial-main { width: 240px; height: 240px; }
    .hero-vial-side { display: none; }
    .products-grid, .reviews-grid, .blog-grid { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .lab-grid { grid-template-columns: repeat(3, 1fr); }
    .nav-links { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .chat-window { width: 100%; right: 0; bottom: 0; height: 100vh; max-height: 100vh; border-radius: 0; }
}
@media (max-width: 600px) {
    section { padding: 48px 16px; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .lab-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .email-form { flex-direction: column; }
    .expert-bot-card { grid-template-columns: 1fr !important; }
    .expert-bot-preview { display: none; }
    .expert-bot-features { grid-template-columns: 1fr !important; }
}

/* ===== EXPERT BOT SECTION ===== */
.expert-bot-section {
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 50%, #f0fdf4 100%);
    padding: 80px 24px;
    border-top: 1px solid var(--green-light);
    border-bottom: 1px solid var(--green-light);
}
.expert-bot-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.expert-bot-badge {
    display: inline-block;
    background: var(--green-light);
    color: var(--green-dark);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}
.expert-bot-features {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}
.expert-bot-feature {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.expert-bot-feature-icon {
    font-size: 28px;
    margin-bottom: 4px;
}
.expert-bot-feature-text strong {
    display: block;
    font-size: 14px;
    color: var(--ink);
    font-weight: 700;
    margin-bottom: 2px;
}
.expert-bot-feature-text span {
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.5;
}
.expert-bot-cta {
    font-size: 16px;
    padding: 16px 32px;
}

/* Chat mockup */
.expert-bot-preview {
    display: flex;
    justify-content: center;
}
.chat-mockup {
    width: 100%;
    max-width: 380px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1), 0 0 0 1px rgba(0,0,0,0.05);
    overflow: hidden;
}
.chat-mockup-header {
    background: var(--green);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.chat-mockup-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.chat-mockup-name {
    color: white;
    font-weight: 700;
    font-size: 15px;
}
.chat-mockup-status {
    color: rgba(255,255,255,0.85);
    font-size: 11px;
    margin-top: 1px;
}
.chat-mockup-messages {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 340px;
    overflow: hidden;
}
.chat-msg {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 13px;
    line-height: 1.5;
    animation: fadeInUp 0.4s ease;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.chat-msg.bot {
    background: var(--bg-gray);
    color: var(--ink);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}
.chat-msg.user {
    background: var(--green);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}
.chat-mockup-input {
    padding: 12px 16px;
    border-top: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-soft);
}
.chat-mockup-input span {
    color: #aaa;
    font-size: 13px;
}
.chat-mockup-send {
    width: 32px;
    height: 32px;
    background: var(--green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
}

/* Floating chat button */
.expert-bot-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 8000;
}
.expert-bot-float-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--green);
    color: white;
    padding: 12px 20px;
    border-radius: 100px;
    border: none;
    font-family: var(--body-font);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.3);
    transition: all 0.3s ease;
}
.expert-bot-float-btn:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(22, 163, 74, 0.4);
}
.expert-bot-float-btn .float-icon {
    font-size: 20px;
}
.expert-bot-float-pulse {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 14px;
    height: 14px;
    background: #fbbf24;
    border: 2px solid white;
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@media (max-width: 900px) {
    .expert-bot-card { grid-template-columns: 1fr; gap: 40px; }
    .expert-bot-features { grid-template-columns: 1fr; }
}

/* ===== HERO URGENCY BAR ===== */
.hero-urgency {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: rgba(22, 163, 74, 0.06);
    border: 1px solid var(--green-light);
    border-radius: 10px;
    margin-top: 20px;
    font-size: 13px;
    color: var(--ink-2);
}
.urgency-dot {
    width: 8px;
    height: 8px;
    background: var(--green-bright);
    border-radius: 50%;
    flex-shrink: 0;
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

/* ===== BUNDLES SECTION ===== */
.bundles-section {
    padding: 80px 24px;
    background: var(--bg-tint);
}
.bundles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.bundle-card {
    background: white;
    border-radius: 16px;
    padding: 32px 28px;
    border: 2px solid #e2e8f0;
    position: relative;
    transition: all 0.3s ease;
}
.bundle-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.bundle-card-featured {
    border-color: var(--green);
    box-shadow: 0 4px 24px rgba(22, 163, 74, 0.12);
}
.bundle-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--green);
    color: white;
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.bundle-card-featured .bundle-badge {
    background: var(--ink);
}
.bundle-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-top: 8px;
    margin-bottom: 8px;
    color: var(--ink);
}
.bundle-desc {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 20px;
}
.bundle-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 20px;
}
.bundle-price-old {
    font-size: 16px;
    color: #94a3b8;
    text-decoration: line-through;
}
.bundle-price-now {
    font-size: 32px;
    font-weight: 800;
    color: var(--green);
    font-family: var(--display-font);
}
.bundle-price-save {
    font-size: 12px;
    font-weight: 700;
    color: var(--green-dark);
    background: var(--green-light);
    padding: 3px 8px;
    border-radius: 6px;
}
.bundle-includes {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
}
.bundle-includes li {
    font-size: 13px;
    color: var(--ink-2);
    padding: 6px 0;
    border-bottom: 1px solid #f1f5f9;
}
.bundle-includes li::before {
    content: "✓ ";
    color: var(--green);
    font-weight: 700;
}
.bundle-btn {
    width: 100%;
    text-align: center;
}

/* ===== COMPARISON TABLE ===== */
.comparison-section {
    padding: 80px 24px;
}
.comparison-table-wrap {
    max-width: 800px;
    margin: 40px auto 0;
    overflow-x: auto;
}
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}
.comparison-table thead th {
    font-family: var(--display-font);
    font-weight: 700;
    font-size: 16px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
}
.comparison-us {
    color: var(--green-dark);
    width: 38%;
}
.comparison-them {
    color: #94a3b8;
    width: 38%;
}
.comparison-feature {
    font-weight: 600;
    color: var(--ink);
}
.comparison-table td.comparison-us {
    color: var(--green-dark);
    font-weight: 600;
}
.comparison-table td.comparison-them {
    color: #94a3b8;
}

/* ===== REVIEW SUMMARY ===== */
.reviews-summary {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    padding: 24px 40px;
    background: var(--bg-tint);
    border-radius: 16px;
}
.reviews-summary-score {
    text-align: center;
}
.reviews-summary-score strong {
    font-size: 48px;
    font-weight: 800;
    color: var(--green);
    font-family: var(--display-font);
}
.reviews-summary-score span {
    font-size: 16px;
    color: var(--text-dim);
}
.reviews-summary-bars {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 200px;
}
.review-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-dim);
}
.review-bar div {
    flex: 1;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}
.review-bar-fill {
    height: 100%;
    background: var(--green);
    border-radius: 4px;
}

/* ===== GUARANTEE SECTION ===== */
.guarantee-section {
    padding: 80px 24px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
}
.guarantee-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.guarantee-shield {
    font-size: 56px;
    margin-bottom: 16px;
}
.guarantee-card h2 {
    font-family: var(--display-font);
    font-size: 28px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 16px;
}
.guarantee-text {
    font-size: 17px;
    line-height: 1.7;
    color: var(--ink-2);
    margin-bottom: 32px;
}
.guarantee-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.guarantee-stat {
    text-align: center;
}
.guarantee-stat strong {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--green);
    font-family: var(--display-font);
}
.guarantee-stat span {
    font-size: 12px;
    color: var(--text-dim);
}

@media (max-width: 768px) {
    .bundles-grid { grid-template-columns: 1fr; }
    .guarantee-stats { grid-template-columns: repeat(2, 1fr); }
    .reviews-summary { flex-direction: column; gap: 16px; }
}

/* ===== HAMBURGER MENU ===== */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px; height: 42px;
    background: var(--bg-tint);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 10px;
    transition: var(--transition);
}
.nav-hamburger span {
    display: block;
    width: 100%;
    height: 2.5px;
    background: var(--ink);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile menu slide-down */
.nav-links.mobile-open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: white;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
}

/* ===== TABLET (max-width: 900px) ===== */
@media (max-width: 900px) {
    .nav-hamburger { display: flex; }
    .nav-logo img { height: 64px; }
    .nav-container { padding: 0 16px; gap: 12px; }
    .nav-cta { gap: 8px; }
    .nav-cta .btn-primary { padding: 10px 18px; font-size: 13px; }

    .hero { padding: 40px 16px 60px; }
    .hero-content { grid-template-columns: 1fr; gap: 30px; }
    .hero-showcase { order: -1; }
    .hero-vial-main { width: 220px; height: 220px; }
    .hero-vial-side { display: none; }
    .hero h1 { font-size: clamp(1.8rem, 6vw, 2.5rem); letter-spacing: -0.5px; }
    .hero-subtitle { font-size: 1rem; margin-bottom: 24px; }
    .hero-stats { gap: 24px; flex-wrap: wrap; }
    .hero-stat strong { font-size: 1.4rem; }
    .hero-stat span { font-size: 12px; }

    .trust-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .trust-item h3 { font-size: 12px; }
    .trust-item p { font-size: 11px; }

    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .product-card { padding: 16px; }
    .product-card img { max-width: 140px; max-height: 160px; }

    .lab-grid { grid-template-columns: repeat(3, 1fr); }
    .reviews-grid { grid-template-columns: 1fr; }

    .section-container { padding: 0 16px; }
    section { padding: 48px 0; }
    .section-title { font-size: 1.8rem; }
    .section-subtitle { font-size: 0.95rem; padding: 0 16px; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .footer-brand img { height: 60px; }

    .expert-bot-card { grid-template-columns: 1fr; gap: 40px; }
    .expert-bot-features { grid-template-columns: 1fr; }

    .bundles-grid { grid-template-columns: 1fr; }
    .comparison-table { font-size: 13px; }
    .comparison-table th, .comparison-table td { padding: 10px 8px; }

    /* Tablet: chat launcher also collapses to bubble */
    .chat-launcher {
        width: 60px !important;
        height: 60px !important;
        border-radius: 50% !important;
        right: 20px;
        bottom: 20px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .chat-launcher-header { background: transparent; padding: 0; gap: 0; }
    .chat-launcher-avatar { width: 60px; height: 60px; font-size: 28px; border: 3px solid var(--green-bright); box-shadow: 0 4px 20px rgba(34,197,94,0.4); }
    .chat-launcher-info, .chat-launcher-body { display: none !important; }
    .chat-window { width: 100%; right: 0; bottom: 0; height: 100vh; max-height: 100vh; border-radius: 0; }
}
@media (max-width: 600px) {
    .nav-logo img { height: 56px; }
    .nav-container { padding: 0 12px; }
    .nav-cta .btn-primary { display: none; }
    .cart-btn { width: 38px; height: 38px; font-size: 16px; }

    .expert-bar-inner { flex-direction: column; gap: 10px; padding: 12px 16px; text-align: center; }
    .expert-bar-text { font-size: 13px; flex-direction: column; gap: 6px; }
    .expert-bar-btn { width: 100%; }

    section { padding: 40px 0; }
    .section-title { font-size: 1.5rem; }
    .section-subtitle { font-size: 0.9rem; }

    .hero { padding: 30px 16px 50px; }
    .hero h1 { font-size: 1.7rem; }
    .hero-subtitle { font-size: 0.95rem; }
    .hero-badge { font-size: 11px; padding: 6px 12px; }
    .hero-vial-main { width: 180px; height: 180px; }
    .hero-cta { flex-direction: column; width: 100%; }
    .hero-cta .btn-primary, .hero-cta .btn-secondary { width: 100%; text-align: center; }
    .hero-stats { gap: 16px; }
    .hero-stat strong { font-size: 1.3rem; }
    .hero-urgency { font-size: 11px; padding: 8px 12px; }
    .hero-urgency span { display: inline; }

    .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 12px; }
    .trust-item h3 { font-size: 11px; }
    .trust-item p { display: none; }

    .products-grid { grid-template-columns: 1fr; gap: 16px; }
    .product-card { display: flex; gap: 16px; align-items: center; text-align: left; }
    .product-card .product-img-wrap { flex-shrink: 0; width: 100px; }
    .product-card img { max-width: 100px; max-height: 120px; }
    .product-card .product-info { flex: 1; }
    .product-card h3 { font-size: 1rem; }
    .product-card .price { font-size: 1.1rem; }

    .lab-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-container { padding: 0 16px; }
    .footer-brand img { height: 50px; }

    .expert-bot-section { padding: 40px 16px; }
    .expert-bot-card { gap: 24px; }
    .expert-bot-preview { display: none; }
    .expert-bot-features { grid-template-columns: 1fr; }
    .expert-bot-card h2 { font-size: 1.4rem; }

    .bundles-section { padding: 40px 16px; }
    .bundles-grid { grid-template-columns: 1fr; gap: 16px; }
    .bundle-card { padding: 24px 20px; }
    .bundle-price { font-size: 1.8rem; }

    .comparison-section { padding: 40px 16px; overflow-x: auto; }
    .comparison-table { min-width: 500px; font-size: 12px; }

    .guarantee-section { padding: 40px 16px; }
    .guarantee-stats { grid-template-columns: 1fr; gap: 16px; }
    .guarantee-card { padding: 24px 20px; }

    .reviews-summary { flex-direction: column; gap: 16px; text-align: center; }
    .reviews-section { padding: 40px 16px; }

    .email-form { flex-direction: column; width: 100%; }
    .email-form input { width: 100%; }
    .email-form button { width: 100%; }

    .faq-section { padding: 40px 16px; }
    .faq-item { padding: 16px; }
    .faq-item h3 { font-size: 0.95rem; }
    .faq-item p { font-size: 0.9rem; }

    .footer-bottom { font-size: 11px; padding: 16px; }

    /* Mobile: chat launcher collapses to small bubble */
    .chat-launcher {
        width: 60px !important;
        height: 60px !important;
        border-radius: 50% !important;
        right: 20px;
        bottom: 20px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        animation: chatBubblePulse 2.5s ease-in-out infinite;
    }
    .chat-launcher-header {
        background: transparent;
        padding: 0;
        gap: 0;
    }
    .chat-launcher-avatar {
        width: 60px;
        height: 60px;
        font-size: 28px;
        border: 3px solid var(--green-bright);
        box-shadow: 0 4px 20px rgba(34,197,94,0.4);
    }
    .chat-launcher-info,
    .chat-launcher-body { display: none !important; }
    .chat-launcher:hover { transform: scale(1.08); }
    @keyframes chatBubblePulse {
        0%, 100% { box-shadow: 0 4px 20px rgba(34,197,94,0.3); }
        50% { box-shadow: 0 4px 28px rgba(34,197,94,0.6); }
    }
    .chat-window { width: 100%; right: 0; bottom: 0; height: 100vh; max-height: 100vh; border-radius: 0; }
}

/* ===== SMALL MOBILE (max-width: 380px) ===== */
@media (max-width: 380px) {
    .nav-logo img { height: 48px; }
    .hero h1 { font-size: 1.4rem; }
    .hero-vial-main { width: 150px; height: 150px; }
    .trust-grid { grid-template-columns: 1fr; }
    .product-card { flex-direction: column; text-align: center; }
    .product-card .product-img-wrap { width: auto; }
}