/* ========================================
   ADVANTEC MEDICAL - Core Stylesheet
   Modern, clean, medical-marketplace look
   ======================================== */

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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern medical palette */
    --primary: #0a6cdb;
    --primary-dark: #064999;
    --primary-light: #e6f0fd;
    --accent: #ff6b35;
    --accent-dark: #e0531e;
    --teal: #00b8a9;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #0f172a;
    --slate-600: #475569;
    --slate-400: #94a3b8;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    --white: #ffffff;

    /* Legacy aliases for existing modules */
    --primary-color: var(--primary);
    --secondary-color: var(--accent);
    --success-color: var(--success);
    --danger-color: var(--danger);
    --warning-color: var(--warning);
    --dark-color: var(--dark);
    --light-color: var(--slate-50);
    --border-color: var(--slate-200);

    --shadow-sm: 0 1px 2px rgba(15,23,42,.05);
    --shadow: 0 4px 12px rgba(15,23,42,.08);
    --shadow-md: 0 10px 25px rgba(15,23,42,.10);
    --shadow-lg: 0 20px 40px rgba(15,23,42,.15);

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --gradient-primary: linear-gradient(135deg, #0a6cdb 0%, #1ea7fd 100%);
    --gradient-accent:  linear-gradient(135deg, #ff6b35 0%, #ff8e53 100%);
    --gradient-dark:    linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-soft:    linear-gradient(135deg, #e6f0fd 0%, #ffffff 100%);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', 'Inter', 'Segoe UI', system-ui, sans-serif;
    line-height: 1.65;
    color: var(--dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; display: block; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============ Top promo bar ============ */
.promo-bar {
    background: var(--gradient-dark);
    color: rgba(255,255,255,.92);
    font-size: 1rem;
    font-weight: 500;
    padding: 0.7rem 0;
}
.promo-bar .container {
    display: flex; justify-content: space-between; align-items: center;
    gap: 1rem; flex-wrap: wrap;
}
.promo-bar .promo-items { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.promo-bar .promo-items span { display: inline-flex; align-items: center; gap: 0.4rem; }
.promo-bar a { color: #fff; opacity: .9; }
.promo-bar a:hover { opacity: 1; }

/* ============ Navigation ============ */
.navbar {
    background: rgba(255,255,255,.95);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    padding: 0.8rem 0;
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 4px 14px -4px rgba(15, 23, 42, 0.08);
}
.navbar .container {
    display: flex; justify-content: space-between; align-items: center; gap: 1.5rem;
    min-height: 92px;
}
/* Legacy class kept for non-storefront pages that still use <h1> in the logo */
.logo h1 {
    font-size: 1.3rem; margin: 0;
    background: linear-gradient(135deg, #e63946 0%, #c1121f 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    letter-spacing: -0.01em;
}
.logo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    padding: 0;
    line-height: 1;
}
.navbar-logo-img {
    width: 68px;
    height: 68px;
    object-fit: contain;
    border-radius: 50%;
    background: #fff;
    padding: 2px;
    border: 2px solid #0f172a;
    box-shadow:
        0 2px 6px rgba(15, 23, 42, 0.18);
    transition: transform .25s;
    flex-shrink: 0;
}
.navbar-logo-fallback {
    width: 68px;
    height: 68px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #fff5f5, #fee2e2);
    border: 2px solid #0f172a;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.18);
    flex-shrink: 0;
}
/* Stacked brand block — styled to match the printed brochure mark exactly:
   bold red primary with thick black outline + bold black "MEDICAL SYSTEMS"
   with a thick black divider line above */
.navbar-brand-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1;
    gap: 0;
}
.navbar-brand-primary {
    font-family: 'Rockwell', 'Roboto Slab', 'Bookman Old Style', 'Georgia', serif;
    font-size: 2.7rem;
    font-weight: 900;
    color: #e8252e;
    letter-spacing: 0.01em;
    line-height: 0.95;
    text-transform: uppercase;
    transition: filter .2s;
}
.navbar-brand-suffix {
    font-family: 'Arial Black', 'Helvetica Neue', 'Impact', sans-serif;
    font-size: 1.05rem;
    font-weight: 900;
    color: #0f172a;
    letter-spacing: 0.18em;
    line-height: 1;
    text-transform: uppercase;
    border-top: 3px solid #0f172a;
    border-bottom: 3px solid #0f172a;
    padding: 0.3rem 0 0.32rem;
    margin-top: 0.1rem;
    align-self: stretch;
    text-align: left;
}
.logo-link:hover .navbar-logo-img,
.logo-link:hover .navbar-logo-fallback { transform: scale(1.05) rotate(-3deg); }
.logo-link:hover .navbar-brand-primary { filter: drop-shadow(0 3px 8px rgba(232, 37, 46, 0.4)); }

@media (max-width: 900px) {
    .navbar-brand-primary { font-size: 2rem; }
    .navbar-brand-suffix  { font-size: 0.85rem; letter-spacing: 0.16em; border-top-width: 2.5px; border-bottom-width: 2.5px; }
    .navbar-logo-img,
    .navbar-logo-fallback { width: 52px; height: 52px; }
}
@media (max-width: 640px) {
    .navbar-brand-primary { font-size: 1.6rem; letter-spacing: 0.005em; }
    .navbar-brand-suffix  { font-size: 0.72rem; letter-spacing: 0.13em; border-top-width: 2px; border-bottom-width: 2px; padding: 0.25rem 0 0.27rem; }
    .navbar-logo-img,
    .navbar-logo-fallback { width: 44px; height: 44px; }
}
@media (max-width: 420px) {
    .navbar-brand-primary { font-size: 1.3rem; }
    .navbar-brand-suffix  { font-size: 0.62rem; }
    .navbar-logo-img,
    .navbar-logo-fallback { width: 40px; height: 40px; }
}
.nav-menu {
    list-style: none; display: flex; gap: 0.4rem; flex-wrap: wrap; align-items: center;
}
.nav-menu a {
    color: var(--slate-600);
    font-weight: 500; font-size: 0.95rem;
    padding: 0.55rem 1rem;
    border-radius: var(--radius);
    transition: all .2s;
    position: relative;
}
.nav-menu a:hover { background: var(--primary-light); color: var(--primary); }
.nav-menu a.active {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(10,108,219,.3);
}
.nav-menu a.active:hover { color: #fff; }

.navbar-toggle {
    background: transparent; border: none; font-size: 1.5rem; cursor: pointer;
    color: var(--primary); display: none;
}

/* ============ Buttons ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.85rem 1.7rem;
    border: none; border-radius: var(--radius);
    font-family: inherit; font-size: 0.95rem; font-weight: 600;
    cursor: pointer; text-decoration: none;
    transition: transform .2s, box-shadow .2s, background .2s;
    letter-spacing: 0.01em;
}
.btn-primary {
    background: var(--gradient-primary); color: #fff;
    box-shadow: 0 4px 14px rgba(10,108,219,.35);
}
.btn-primary:hover {
    color: #fff; transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(10,108,219,.45);
}
.btn-secondary {
    background: var(--gradient-accent); color: #fff;
    box-shadow: 0 4px 14px rgba(255,107,53,.35);
}
.btn-secondary:hover {
    color: #fff; transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(255,107,53,.45);
}
.btn-outline {
    background: transparent; color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: var(--slate-100); color: var(--dark); }
.btn-ghost:hover { background: var(--slate-200); }
.btn-large { padding: 1.1rem 2.5rem; font-size: 1.05rem; }
.btn-small { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn-disabled { background: var(--slate-200); color: var(--slate-400); cursor: not-allowed; }
.btn-disabled:hover { transform: none; box-shadow: none; }

/* ============ Breadcrumb ============ */
.breadcrumb {
    background: var(--slate-50);
    padding: 1rem 0;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--slate-200);
    color: var(--slate-600);
}
.breadcrumb a { color: var(--primary); margin: 0 0.4rem; font-weight: 500; }
.breadcrumb span { color: var(--dark); margin-left: 0.4rem; }

/* ============ Product cards ============ */
.product-card {
    background: #fff;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}
.product-image {
    position: relative; overflow: hidden;
    background: var(--gradient-soft);
    aspect-ratio: 4/3;
    display: flex; align-items: center; justify-content: center;
}
.product-image img {
    width: 100%; height: 100%; object-fit: contain; padding: 1.2rem;
    transition: transform .4s;
}
.product-card:hover .product-image img { transform: scale(1.05); }
.badge {
    position: absolute; top: 12px; right: 12px;
    background: var(--gradient-accent); color: #fff;
    padding: 0.35rem 0.85rem; border-radius: 50px;
    font-size: 0.78rem; font-weight: 700;
    box-shadow: 0 4px 10px rgba(255,107,53,.4);
}
.category-badge {
    display: inline-block;
    background: var(--primary-light); color: var(--primary);
    padding: 0.3rem 0.8rem; border-radius: 50px;
    font-size: 0.78rem; font-weight: 600;
    margin-bottom: 0.6rem;
}
.product-info {
    padding: 1.3rem; flex-grow: 1;
    display: flex; flex-direction: column;
}
.product-info h3 {
    font-size: 1.05rem; margin-bottom: 0.4rem; color: var(--dark);
    font-weight: 700; line-height: 1.4;
}
.product-info .category, .product-info .category-label {
    color: var(--primary); font-size: 0.8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem;
}
.product-info .description {
    color: var(--slate-600); font-size: 0.88rem;
    margin-bottom: 1rem; flex-grow: 1; line-height: 1.55;
}
.price-section {
    display: flex; align-items: baseline; gap: 0.6rem;
    flex-wrap: wrap; margin: 0.5rem 0 0.8rem;
}
.mrp {
    color: var(--slate-400); text-decoration: line-through; font-size: 0.9rem;
}
.price {
    font-size: 1.4rem; font-weight: 800; color: var(--dark);
    letter-spacing: -0.01em;
}
.savings, .discount {
    color: var(--success); font-weight: 700; font-size: 0.85rem;
    background: rgba(16,185,129,.1); padding: 0.2rem 0.6rem; border-radius: 50px;
}
.stock-info {
    padding: 0.45rem 0.8rem; border-radius: var(--radius-sm);
    margin: 0.5rem 0; font-weight: 600; font-size: 0.85rem;
    display: inline-block;
}
.stock-info.in-stock { background: rgba(16,185,129,.12); color: #047857; }
.stock-info.out-stock { background: rgba(239,68,68,.12); color: #b91c1c; }

/* ============ Footer ============ */
.footer {
    background: var(--gradient-dark);
    color: rgba(255,255,255,.85);
    padding: 4rem 0 1.5rem; margin-top: 4rem;
    position: relative; overflow: hidden;
}
.footer::before {
    content: ''; position: absolute; top: -100px; right: -100px;
    width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, rgba(10,108,219,.2), transparent 70%);
}
.footer .container { position: relative; z-index: 1; }
.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 3rem; margin-bottom: 3rem;
}
.footer-section h4 {
    margin-bottom: 1.2rem; color: #fff; font-size: 1.05rem; font-weight: 700;
    position: relative; padding-bottom: 0.6rem;
}
.footer-section h4::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 32px; height: 3px; border-radius: 2px;
    background: var(--gradient-primary);
}
.footer-section ul { list-style: none; }
.footer-section a {
    color: rgba(255,255,255,.7); display: inline-block;
    margin: 0.4rem 0; font-size: 0.92rem; transition: all .2s;
}
.footer-section a:hover { color: #fff; transform: translateX(3px); }
.footer-section p { color: rgba(255,255,255,.7); line-height: 1.7; font-size: 0.92rem; }
.footer-brand h3 {
    font-size: 1.4rem; color: #fff; margin-bottom: 0.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.social-icons { display: flex; gap: 0.6rem; margin-top: 1rem; }
.social-icons a {
    width: 38px; height: 38px; border-radius: 50%;
    background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center;
    transition: all .2s;
}
.social-icons a:hover { background: var(--primary); transform: translateY(-3px); }
.footer-bottom {
    text-align: center; padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,.1);
    color: rgba(255,255,255,.5); font-size: 0.88rem;
}

/* ============ Alerts (storefront) ============ */
.alert {
    padding: 1rem 1.3rem; margin-bottom: 1.3rem;
    border-radius: var(--radius); font-weight: 500; font-size: 0.95rem;
    border: 1px solid transparent;
}
.alert-success { background: rgba(16,185,129,.1); color: #065f46; border-color: rgba(16,185,129,.3); }
.alert-error   { background: rgba(239,68,68,.1);  color: #991b1b; border-color: rgba(239,68,68,.3); }
.alert-warning { background: rgba(245,158,11,.1); color: #92400e; border-color: rgba(245,158,11,.3); }
.alert-info    { background: rgba(10,108,219,.1); color: var(--primary-dark); border-color: rgba(10,108,219,.3); }

/* ============ Section header (reusable) ============ */
.section-title-block {
    text-align: center; margin-bottom: 3.5rem;
    position: relative;
}
.section-eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.45rem 1.1rem;
    background: linear-gradient(135deg, rgba(10,108,219,0.12), rgba(10,108,219,0.04));
    color: var(--primary);
    border: 1px solid rgba(10,108,219,0.2);
    border-radius: 50px; font-size: 0.74rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 0.12em;
    margin-bottom: 1.2rem;
    box-shadow: 0 4px 12px -4px rgba(10,108,219,0.2);
}
.section-eyebrow::before {
    content: '';
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 3px rgba(10,108,219,0.2);
}
.section-heading {
    font-size: clamp(2rem, 3.4vw, 2.8rem);
    color: var(--dark);
    margin-bottom: 1rem;
    font-weight: 900; letter-spacing: -0.03em; line-height: 1.15;
}
.section-heading .accent {
    background: linear-gradient(135deg, #0a6cdb 0%, #e63946 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}
.section-sub {
    color: var(--slate-600); font-size: 1.1rem;
    max-width: 640px; margin: 0 auto;
    line-height: 1.6;
}

/* Scroll-reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
    will-change: opacity, transform;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
    .nav-menu { gap: 0.2rem; font-size: 0.85rem; }
    .nav-menu a { padding: 0.4rem 0.7rem; }
    .footer-content { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 640px) {
    .navbar .container { gap: 1rem; }
    .nav-menu { display: none; flex-direction: column; width: 100%; }
    .nav-menu.open { display: flex; }
    .navbar-toggle { display: block; }
    .section-heading { font-size: 1.8rem; }
    .footer-content { grid-template-columns: 1fr; }
}