/* ==========================================================================
   IshLek Healthcare — Main Stylesheet
   Palette: white / blue / green — clean, trust-focused healthcare design.
   ========================================================================== */

:root {
    --color-primary: #0F6E5B;        /* deep healthcare green */
    --color-primary-dark: #0B5646;
    --color-primary-light: #E6F4F0;
    --color-secondary: #1E6FD9;      /* trust blue */
    --color-secondary-dark: #144F9E;
    --color-secondary-light: #EAF2FE;
    --color-text: #17222C;
    --color-text-muted: #5B6B79;
    --color-border: #E2E8ED;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F5FAF8;
    --color-danger: #C0392B;
    --color-success: #1E8E5A;
    --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-hero: radial-gradient(circle at 15% 20%, rgba(30, 111, 217, 0.10), transparent 45%),
                     radial-gradient(circle at 85% 15%, rgba(15, 110, 91, 0.14), transparent 50%),
                     linear-gradient(180deg, #EFF8F5 0%, #FFFFFF 65%);
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(16, 40, 34, 0.08);
    --shadow-md: 0 10px 26px rgba(16, 40, 34, 0.10);
    --shadow-lg: 0 20px 45px rgba(11, 45, 38, 0.16);
    --shadow-glow: 0 0 0 4px rgba(15, 110, 91, 0.12);
    --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-secondary); text-decoration: none; transition: color .15s ease; }
a:hover { text-decoration: none; color: var(--color-secondary-dark); }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; font-weight: 700; color: var(--color-text); letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.container.narrow { max-width: 720px; }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
    position: absolute; left: -999px; top: 0; background: var(--color-primary);
    color: #fff; padding: 10px 16px; z-index: 1000; border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 24px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
    border: 2px solid transparent; cursor: pointer; transition: all .18s ease;
    text-decoration: none; letter-spacing: 0.01em;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
    background: var(--gradient-brand); color: #fff;
    box-shadow: 0 8px 20px rgba(15, 110, 91, 0.28);
}
.btn-primary:hover { box-shadow: 0 12px 28px rgba(15, 110, 91, 0.38); }
.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary-light); box-shadow: var(--shadow-sm); }
.btn-sm { padding: 9px 16px; font-size: 0.85rem; border-radius: 8px; }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 20px; gap: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark svg { filter: drop-shadow(0 4px 10px rgba(15, 110, 91, 0.35)); }
.logo-text { font-weight: 800; font-size: 1.2rem; color: var(--color-text); }
.logo-text.light { color: #fff; }
.logo-accent { color: var(--color-primary); font-weight: 700; }
.logo-text.light .logo-accent { color: #8fd9c4; }

.primary-nav { display: flex; align-items: center; gap: 24px; flex: 1; justify-content: flex-end; }
.primary-nav > ul { list-style: none; display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; }
.primary-nav a { color: var(--color-text); font-weight: 600; font-size: 0.95rem; padding: 6px 0; position: relative; }
.primary-nav a::after {
    content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
    background: var(--gradient-brand); transition: width .18s ease; border-radius: 2px;
}
.primary-nav a:hover, .primary-nav a.active { color: var(--color-primary); text-decoration: none; }
.primary-nav a:hover::after, .primary-nav a.active::after { width: 100%; }

.has-dropdown { position: relative; }
.dropdown-toggle {
    display: flex; align-items: center; gap: 6px; background: none; border: none;
    font: inherit; font-weight: 600; font-size: 0.95rem; color: var(--color-text);
    cursor: pointer; padding: 6px 0;
}
.dropdown-toggle:hover { color: var(--color-primary); }
.dropdown-toggle .chevron { transition: transform .18s ease; color: var(--color-text-muted); }
.has-dropdown.is-open .dropdown-toggle { color: var(--color-primary); }
.has-dropdown.is-open .chevron { transform: rotate(180deg); color: var(--color-primary); }

.dropdown {
    display: none; position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
    min-width: 220px; box-shadow: var(--shadow-lg); padding: 10px; margin: 0; z-index: 50;
}
.has-dropdown.is-open .dropdown { display: block; animation: dropdownIn .16s ease; }
.dropdown li { list-style: none; }
.dropdown a { display: block; padding: 9px 12px; border-radius: var(--radius-sm); font-weight: 500; color: var(--color-text); }
.dropdown a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); text-decoration: none; }
.dropdown-empty { display: block; padding: 8px 12px; color: var(--color-text-muted); }
.dropdown-viewall { border-top: 1px solid var(--color-border); margin-top: 6px; padding-top: 6px; }
.dropdown-viewall a { color: var(--color-secondary); font-weight: 700; }

@keyframes dropdownIn {
    from { opacity: 0; transform: translate(-50%, -6px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

.nav-search {
    display: flex; align-items: center; background: var(--color-bg-alt);
    border: 1px solid var(--color-border); border-radius: 999px; padding: 4px 6px 4px 16px;
    transition: box-shadow .18s ease, border-color .18s ease;
}
.nav-search:focus-within { border-color: var(--color-primary); box-shadow: var(--shadow-glow); }
.nav-search input {
    border: none; background: transparent; outline: none; font-family: inherit;
    font-size: 0.9rem; width: 200px;
}
.nav-search button {
    background: var(--gradient-brand); border: none; color: #fff; border-radius: 999px;
    width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: transform .15s ease;
}
.nav-search button:hover { transform: scale(1.06); }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px; background: none; border: none;
    cursor: pointer; padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--color-text); border-radius: 2px; }

/* ---------- Messages ---------- */
.messages { margin-top: 16px; }
.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 10px; font-weight: 500; }
.alert-success { background: #E7F7EE; color: var(--color-success); border: 1px solid #BEE9D0; }
.alert-error, .alert-danger { background: #FCEAE8; color: var(--color-danger); border: 1px solid #F3C6C0; }
.alert-info { background: var(--color-secondary-light); color: var(--color-secondary); border: 1px solid #C7DFFB; }

/* ---------- Hero ---------- */
.hero { background: var(--gradient-hero); padding: 80px 0; position: relative; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; position: relative; z-index: 1; }
.eyebrow {
    display: inline-block; background: var(--gradient-brand); color: #fff; font-size: 0.75rem;
    font-weight: 700; letter-spacing: .05em; text-transform: uppercase; padding: 7px 14px;
    border-radius: 999px; margin-bottom: 18px; box-shadow: 0 6px 16px rgba(15,110,91,0.25);
}
.hero h1 { font-size: 2.8rem; max-width: 560px; }
.hero-copy p { color: var(--color-text-muted); font-size: 1.08rem; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; margin: 26px 0; flex-wrap: wrap; }
.hero-trust { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; color: var(--color-text-muted); font-weight: 600; }

.hero-visual { position: relative; height: 340px; }
.hero-visual-card {
    position: absolute; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
    padding: 20px 26px; font-weight: 700; font-size: 1.05rem; border: 1px solid var(--color-border);
    transition: transform .25s ease;
}
.hero-visual-card:hover { transform: translateY(-6px) rotate(0deg) scale(1.03); }
.card-1 { top: 10px; left: 8%; transform: rotate(-3deg); }
.card-2 { top: 130px; left: 38%; background: var(--gradient-brand); color: #fff; transform: rotate(2deg); box-shadow: 0 16px 32px rgba(15,110,91,0.35); }
.card-3 { top: 240px; left: 4%; transform: rotate(2deg); }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section-heading { text-align: center; max-width: 600px; margin: 0 auto 40px; }
.section-heading h2 { font-size: 2rem; }
.section-heading p { color: var(--color-text-muted); }
.section-cta { text-align: center; margin-top: 36px; }
.page-header { background: var(--gradient-hero); padding: 52px 0; border-bottom: 1px solid var(--color-border); }
.page-header p { color: var(--color-text-muted); margin: 0; }

/* ---------- Categories ---------- */
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.category-card {
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
    padding: 30px 20px; text-align: center; transition: all .2s ease; color: var(--color-text);
}
.category-card:hover {
    box-shadow: var(--shadow-lg); border-color: transparent; text-decoration: none;
    transform: translateY(-6px);
}
.category-icon {
    font-size: 1.7rem; margin: 0 auto 14px; width: 56px; height: 56px; border-radius: 50%;
    background: var(--color-primary-light); display: flex; align-items: center; justify-content: center;
    transition: background .2s ease, transform .2s ease;
}
.category-card:hover .category-icon { background: var(--gradient-brand); transform: scale(1.08); }
.category-count { color: var(--color-text-muted); font-size: 0.85rem; }

/* ---------- Product grid & cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card {
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
    overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s ease, transform .2s ease;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.product-card-image { position: relative; aspect-ratio: 4/3; background: var(--color-bg-alt); overflow: hidden; }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.product-card:hover .product-card-image img { transform: scale(1.06); }
.product-image-placeholder {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem; background: var(--color-primary-light); color: var(--color-primary);
}
.product-image-placeholder.large { aspect-ratio: 4/3; font-size: 4rem; border-radius: var(--radius); }
.badge {
    position: absolute; top: 12px; right: 12px; font-size: 0.7rem; font-weight: 700;
    padding: 5px 12px; border-radius: 999px; text-transform: uppercase; box-shadow: var(--shadow-sm);
}
.badge-muted { background: #EEE; color: #666; }
.badge-info { background: var(--color-secondary-light); color: var(--color-secondary); }

.product-card-body { padding: 20px 20px 8px; flex: 1; }
.product-category { color: var(--color-secondary); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.product-name { font-size: 1.08rem; margin: 6px 0; }
.product-name a { color: var(--color-text); }
.product-desc { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 10px; }
.product-price { font-weight: 800; font-size: 1.2rem; color: var(--color-primary-dark); }
.product-card-actions { display: flex; gap: 10px; padding: 16px 20px 20px; }
.product-card-actions .btn { flex: 1; }

/* ---------- Why us ---------- */
.why-us-section { background: var(--color-bg-alt); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.why-item {
    background: #fff; border-radius: var(--radius); padding: 30px; border: 1px solid var(--color-border);
    transition: transform .2s ease, box-shadow .2s ease; position: relative; overflow: hidden;
}
.why-item::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--gradient-brand); }
.why-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* ---------- Listing page (filters + grid) ---------- */
.listing-layout { display: grid; grid-template-columns: 240px 1fr; gap: 36px; align-items: start; }
.filters h2 { font-size: 1.05rem; }
.filter-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.filter-list a { display: flex; justify-content: space-between; padding: 9px 12px; border-radius: var(--radius-sm); color: var(--color-text); font-weight: 500; transition: background .15s ease; }
.filter-list a span { color: var(--color-text-muted); }
.filter-list a:hover, .filter-list a.active { background: var(--color-primary-light); color: var(--color-primary-dark); text-decoration: none; }
.filter-note { margin-top: 16px; padding: 10px 12px; background: var(--color-secondary-light); border-radius: var(--radius-sm); font-size: 0.85rem; }
.clear-search { display: block; margin-top: 4px; font-weight: 600; }
.listing-meta { color: var(--color-text-muted); margin-bottom: 18px; font-size: 0.9rem; }
.empty-state { grid-column: 1 / -1; text-align: center; padding: 44px 20px; color: var(--color-text-muted); }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.page-link {
    display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px;
    border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text); font-weight: 600; padding: 0 10px;
    transition: all .15s ease;
}
.page-link:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.page-link.active { background: var(--gradient-brand); border-color: transparent; color: #fff; box-shadow: var(--shadow-sm); }

/* ---------- Product detail page ---------- */
.breadcrumbs { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 26px; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.product-detail-image img { border-radius: var(--radius); border: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
.product-detail-info h1 { font-size: 2rem; margin-top: 6px; }
.availability { display: inline-block; font-weight: 700; font-size: 0.85rem; padding: 5px 12px; border-radius: 999px; margin-bottom: 14px; }
.availability-in_stock { background: #E7F7EE; color: var(--color-success); }
.availability-out_of_stock { background: #F3E9E9; color: var(--color-danger); }
.availability-made_to_order { background: var(--color-secondary-light); color: var(--color-secondary); }
.availability-discontinued { background: #EEE; color: #777; }
.product-detail-price { font-size: 1.9rem; font-weight: 800; color: var(--color-primary-dark); margin-bottom: 12px; }
.product-detail-summary { color: var(--color-text-muted); }
.product-detail-actions { margin: 22px 0; }
.trust-badges { display: flex; gap: 18px; flex-wrap: wrap; color: var(--color-text-muted); font-size: 0.85rem; font-weight: 500; }

.product-detail-tabs { margin-top: 60px; display: flex; flex-direction: column; gap: 44px; }
.tab-block h2 { font-size: 1.35rem; border-bottom: 2px solid var(--color-primary-light); padding-bottom: 12px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--color-border); }
.spec-table th { width: 40%; color: var(--color-text-muted); font-weight: 600; }
.spec-table tr:hover { background: var(--color-bg-alt); }

.related-products { margin-top: 60px; }
.related-products h2 { font-size: 1.35rem; margin-bottom: 22px; }

/* ---------- Forms ---------- */
.form-card {
    background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
    padding: 38px; box-shadow: var(--shadow-md); position: relative; overflow: hidden;
}
.form-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 5px; background: var(--gradient-brand); }
.form-subtitle { color: var(--color-text-muted); margin-bottom: 26px; }
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.form-row-group { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row label { font-weight: 600; font-size: 0.9rem; }
.form-row input, .form-row textarea, .form-row select {
    padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    font-family: inherit; font-size: 0.95rem; outline: none; transition: border-color .15s ease, box-shadow .15s ease;
    width: 100%;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color: var(--color-primary); box-shadow: var(--shadow-glow); }
.form-row input[readonly] { background: var(--color-bg-alt); color: var(--color-text-muted); }
.field-error { color: var(--color-danger); font-size: 0.82rem; }
.form-fineprint { color: var(--color-text-muted); font-size: 0.8rem; margin-top: 14px; text-align: center; }

.success-card { text-align: center; }
.success-icon {
    width: 60px; height: 60px; border-radius: 50%; background: var(--gradient-brand);
    color: #fff; font-size: 1.6rem; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px; box-shadow: 0 10px 24px rgba(15,110,91,0.3);
}

.contact-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; align-items: start; }
.contact-info h2 { font-size: 1.2rem; }
.footer-contact { list-style: none; padding: 0; margin: 0 0 16px; display: flex; flex-direction: column; gap: 14px; }
.contact-hours { color: var(--color-text-muted); font-size: 0.9rem; }

/* ---------- About page ---------- */
.prose p { color: var(--color-text-muted); }
.stats-row { display: flex; gap: 40px; margin: 36px 0; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 2rem; background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--color-text-muted); font-size: 0.85rem; }
.value-list { color: var(--color-text-muted); padding-left: 20px; }
.value-list li { margin-bottom: 10px; }

/* ---------- Error pages ---------- */
.error-page { text-align: center; padding: 110px 0; }
.error-page h1 {
    font-size: 4.5rem; background: var(--gradient-brand); -webkit-background-clip: text;
    background-clip: text; color: transparent;
}

/* ---------- Footer ---------- */
.site-footer { background: linear-gradient(180deg, #0D3B32 0%, #0A2E27 100%); color: #D9EAE5; margin-top: 40px; position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--gradient-brand); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; padding: 60px 20px 32px; }
.footer-logo { margin-bottom: 14px; }
.footer-tagline { color: #A9C9C0; font-size: 0.9rem; max-width: 260px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #C7DED6; font-size: 0.9rem; }
.footer-col a:hover { color: #fff; }
.social-links { display: flex; gap: 10px; margin-top: 18px; }
.social-links a {
    width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.1);
    display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; color: #fff;
    transition: background .15s ease, transform .15s ease;
}
.social-links a:hover { background: var(--color-primary); transform: translateY(-2px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; text-align: center; font-size: 0.85rem; color: #A9C9C0; }

/* ---------- WhatsApp quick-contact floating button ---------- */
.whatsapp-float {
    position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px; border-radius: 50%;
    background: #25D366; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 10px 24px rgba(37, 211, 102, 0.45); z-index: 90; transition: transform .18s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 28px; height: 28px; }

/* ---------- Modal (quotation quick-form) ---------- */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(10, 30, 25, 0.6); display: none;
    align-items: center; justify-content: center; z-index: 1000; padding: 20px;
}
.modal-overlay.is-open { display: flex; }
.modal-box {
    background: #fff; border-radius: var(--radius); max-width: 560px; width: 100%;
    max-height: 90vh; overflow-y: auto; padding: 32px; position: relative; box-shadow: var(--shadow-lg);
    animation: modalIn .18s ease;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
    position: absolute; top: 16px; right: 16px; background: rgba(0,0,0,0.05); border: none;
    width: 32px; height: 32px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; color: var(--color-text-muted);
    display: flex; align-items: center; justify-content: center; transition: background .15s ease;
}
.modal-close:hover { background: rgba(0,0,0,0.1); }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .listing-layout { grid-template-columns: 1fr; }
    .product-detail-grid { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .primary-nav {
        position: absolute; top: 100%; left: 0; right: 0; background: #fff;
        border-bottom: 1px solid var(--color-border); flex-direction: column; align-items: stretch;
        padding: 16px 20px 24px; display: none; gap: 16px; box-shadow: var(--shadow-md);
    }
    .primary-nav.is-open { display: flex; }
    .primary-nav > ul { flex-direction: column; align-items: stretch; gap: 4px; }
    .primary-nav a { display: block; padding: 10px 0; }
    .dropdown-toggle { padding: 10px 0; width: 100%; justify-content: space-between; }
    .dropdown {
        position: static; transform: none; box-shadow: none; border: none; padding: 0 0 0 12px;
        min-width: 0; width: 100%; margin-top: 4px;
    }
    .has-dropdown.is-open .dropdown { animation: none; }
    .nav-search { width: 100%; }
    .nav-search input { width: 100%; }
    .why-grid { grid-template-columns: 1fr; }
    .form-row-group { grid-template-columns: 1fr; }
    .whatsapp-float { bottom: 16px; right: 16px; width: 50px; height: 50px; }
}

@media (max-width: 560px) {
    .hero h1 { font-size: 2.1rem; }
    .category-grid { grid-template-columns: 1fr 1fr; }
    .product-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-row { gap: 24px; }
}