/* ============================================================
   Yankee Printer — Complete Redesign v2
   Premium gradient tech aesthetic with rich animations
   ============================================================ */

/* ===========================
   CUSTOM PROPERTIES
=========================== */
:root {
    --blue:          #0057ff;
    --blue-mid:      #2979ff;
    --purple:        #7c3aed;
    --purple-dark:   #5b21b6;
    --gradient:      linear-gradient(135deg, #0057ff 0%, #7c3aed 100%);
    --gradient-r:    linear-gradient(135deg, #7c3aed 0%, #0057ff 100%);
    --gradient-soft: linear-gradient(135deg, rgba(0,87,255,0.07) 0%, rgba(124,58,237,0.07) 100%);
    --gradient-hero: linear-gradient(135deg, #0a0a2e 0%, #0d1a4a 40%, #1a0a3e 100%);
    --white:         #ffffff;
    --off-white:     #f7f8ff;
    --black:         #08080f;
    --dark:          #0d0d1a;
    --dark-2:        #12122a;
    --gray:          #64748b;
    --gray-light:    #94a3b8;
    --border:        #e2e5f0;
    --border-dark:   #1e2040;

    --shadow-xs:     0 1px 4px rgba(0,0,0,0.04);
    --shadow-sm:     0 2px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md:     0 8px 32px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
    --shadow-lg:     0 24px 64px rgba(0,0,0,0.14), 0 8px 24px rgba(0,0,0,0.08);
    --shadow-blue:   0 8px 32px rgba(0,87,255,0.22), 0 2px 8px rgba(0,87,255,0.14);
    --shadow-glow:   0 0 60px rgba(0,87,255,0.18), 0 0 120px rgba(124,58,237,0.10);

    --radius-sm:  10px;
    --radius-md:  16px;
    --radius-lg:  24px;
    --radius-xl:  36px;
    --radius-full: 9999px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;
}

/* ===========================
   ANIMATIONS
=========================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.92); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-10px); }
}

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,87,255,0.4); }
    50%       { box-shadow: 0 0 0 10px rgba(0,87,255,0); }
}

@keyframes rotateBorder {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes growLine {
    from { width: 0; }
    to   { width: 100%; }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

/* Reveal on scroll base states */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1),
                transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===========================
   RESET & BASE
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--black);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--blue);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover { color: var(--purple); }
img { max-width: 100%; height: auto; display: block; }

/* Gradient text utility */
.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===========================
   NAVIGATION
=========================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.75);
    backdrop-filter: saturate(200%) blur(24px);
    -webkit-backdrop-filter: saturate(200%) blur(24px);
    border-bottom: 1px solid rgba(0,0,0,0.07);
    transition: background 0.3s, box-shadow 0.3s;
}

.site-header.scrolled {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.site-logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--black);
    flex-shrink: 0;
    position: relative;
}

.site-logo span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-logo:hover { text-decoration: none; color: var(--black); }

.site-logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    border-radius: 2px;
    transition: width 0.35s cubic-bezier(0.22,1,0.36,1);
}
.site-logo:hover::after { width: 100%; }

.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav a {
    color: var(--gray);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 7px 15px;
    border-radius: var(--radius-full);
    transition: background 0.2s, color 0.2s;
    position: relative;
}

.main-nav a:hover {
    background: var(--gradient-soft);
    color: var(--blue);
    text-decoration: none;
}

.main-nav a.active {
    background: var(--gradient-soft);
    color: var(--blue);
    font-weight: 600;
}

/* Hamburger (mobile) */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--black);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===========================
   HERO
=========================== */
.hero {
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
    padding: 100px 28px 96px;
    text-align: center;
}

/* Animated mesh background */
.hero::before {
    content: '';
    position: absolute;
    inset: -50%;
    background:
        radial-gradient(ellipse 60% 50% at 20% 30%, rgba(0,87,255,0.35) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 70%, rgba(124,58,237,0.30) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 50% 50%, rgba(0,87,255,0.10) 0%, transparent 70%);
    animation: gradientShift 12s ease infinite;
    background-size: 200% 200%;
}

/* Grid overlay */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-full);
    padding: 6px 18px;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 28px;
    animation: fadeInDown 0.7s ease both;
    backdrop-filter: blur(8px);
}

.hero-eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #4ade80;
    animation: blink 2s ease infinite;
    flex-shrink: 0;
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.04em;
    color: var(--white);
    margin-bottom: 24px;
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.75s 0.15s ease both;
}

.hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, #60a5fa 0%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.65);
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.6;
    animation: fadeInUp 0.75s 0.25s ease both;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.75s 0.35s ease both;
}

/* ===========================
   BUTTONS
=========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient);
    background-size: 200% auto;
    color: var(--white) !important;
    font-weight: 700;
    font-size: 0.975rem;
    padding: 14px 30px;
    border-radius: var(--radius-full);
    transition: background-position 0.4s, transform 0.2s, box-shadow 0.3s;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-blue);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
    transition: left 0.5s;
}

.btn:hover::before { left: 150%; }

.btn:hover {
    background-position: right center;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0,87,255,0.35), 0 4px 12px rgba(124,58,237,0.20);
    text-decoration: none !important;
}

.btn-ghost {
    background: rgba(255,255,255,0.10);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    color: var(--white) !important;
    font-weight: 600;
    font-size: 0.975rem;
    padding: 14px 30px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.25s, border-color 0.25s, transform 0.2s;
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.45);
    transform: translateY(-2px);
    text-decoration: none !important;
}

/* Gradient CTA for light sections */
.btn-primary {
    background: var(--gradient);
    background-size: 200% auto;
    color: var(--white) !important;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 26px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-position 0.4s, transform 0.2s, box-shadow 0.3s;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-blue);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before { left: 150%; }
.btn-primary:hover {
    background-position: right center;
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(0,87,255,0.30);
    text-decoration: none !important;
}

/* ===========================
   STATS STRIP
=========================== */
.stats-strip {
    background: var(--off-white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 36px 28px;
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    cursor: default;
    transition: transform 0.25s;
}

.stat-item:hover { transform: scale(1.05); }

.stat-num {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 6px;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* ===========================
   LAYOUT
=========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

.page-content { padding: 72px 0 88px; }

section { margin-bottom: 92px; }
section:last-child { margin-bottom: 0; }

section h2 {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 6px;
    letter-spacing: -0.03em;
    line-height: 1.15;
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient);
    border-radius: 3px;
    transition: width 0.6s cubic-bezier(0.22,1,0.36,1);
}

section h2.line-animated::after { width: 100%; }

.section-lead {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 36px;
    margin-top: 14px;
    display: block;
}

section h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 32px 0 10px;
    color: var(--black);
    letter-spacing: -0.02em;
}

section h3:not(.product-title)::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--gradient);
    border-radius: 50%;
    margin-right: 10px;
    vertical-align: middle;
    position: relative;
    top: -1px;
}

section p { color: var(--gray); margin-bottom: 16px; line-height: 1.75; }
section ul { color: var(--gray); padding-left: 22px; margin-bottom: 16px; }
section ul li { margin-bottom: 8px; line-height: 1.6; }

/* ===========================
   BREADCRUMB
=========================== */
.breadcrumb {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 2px; }
.breadcrumb li::after { content: '›'; margin: 0 6px; color: var(--gray-light); }
.breadcrumb li:last-child::after { content: ''; }
.breadcrumb a { color: var(--gray); font-size: 0.875rem; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb span { color: var(--black); font-size: 0.875rem; font-weight: 600; }

/* ===========================
   PAGE HERO (category / keyword)
=========================== */
.page-hero {
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
    padding: 64px 28px 52px;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 80% at 0% 50%, rgba(0,87,255,0.25) 0%, transparent 60%),
        radial-gradient(ellipse 50% 60% at 100% 30%, rgba(124,58,237,0.20) 0%, transparent 60%);
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.page-hero h1 {
    position: relative;
    z-index: 2;
    font-size: clamp(1.8rem, 3.5vw, 2.7rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 14px;
    letter-spacing: -0.04em;
    max-width: 780px;
    line-height: 1.12;
    animation: fadeInUp 0.6s ease both;
}

.page-hero p {
    position: relative;
    z-index: 2;
    font-size: 1.05rem;
    color: rgba(255,255,255,0.65);
    max-width: 600px;
    line-height: 1.6;
    animation: fadeInUp 0.6s 0.1s ease both;
}

/* ===========================
   PRODUCT CARDS
=========================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-top: 28px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: transform 0.28s cubic-bezier(0.22,1,0.36,1),
                box-shadow 0.28s cubic-bezier(0.22,1,0.36,1),
                border-color 0.25s;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.25s;
}

.product-card:hover::after { opacity: 1; }

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,87,255,0.13), 0 4px 16px rgba(0,0,0,0.07);
    border-color: rgba(0,87,255,0.18);
}

/* Badge */
.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    background: var(--gradient);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.07em;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(0,87,255,0.28);
}

/* Image container */
.product-img-wrap {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, #f0f4ff 0%, #f5f0ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
    transition: transform 0.32s cubic-bezier(0.22,1,0.36,1);
}

.product-card:hover .product-img { transform: scale(1.06); }

.product-img-placeholder {
    font-size: 3.5rem;
    opacity: 0.5;
}

/* Card body */
.product-card-body {
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 12px;
}

.product-title {
    font-size: 0.9rem;
    font-weight: 650;
    color: var(--black);
    line-height: 1.4;
    letter-spacing: -0.01em;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Pricing row */
.product-pricing {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1;
}

.product-price-orig {
    font-size: 0.85rem;
    color: var(--gray-light);
    text-decoration: line-through;
}

.product-save-badge {
    font-size: 0.72rem;
    font-weight: 700;
    background: #ecfdf5;
    color: #059669;
    padding: 2px 7px;
    border-radius: var(--radius-full);
}

/* Add to Cart button */
.btn-buy {
    display: block;
    width: 100%;
    background: var(--gradient);
    color: var(--white) !important;
    font-weight: 700;
    font-size: 0.88rem;
    text-align: center;
    padding: 11px 16px;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.25s;
    letter-spacing: 0.01em;
    text-decoration: none;
}

.btn-buy::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
    transition: left 0.45s;
}

.btn-buy:hover::before { left: 150%; }
.btn-buy:hover {
    opacity: 0.92;
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0,87,255,0.3);
    text-decoration: none !important;
}

/* All-products section heading */
.all-products-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.products-count-badge {
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--gradient-soft);
    color: var(--blue);
    padding: 4px 14px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(0,87,255,0.12);
}

/* ===========================
   COMPARISON TABLE
=========================== */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.comparison-table thead {
    background: var(--gradient);
}

.comparison-table th {
    padding: 15px 18px;
    text-align: left;
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.85);
}

.comparison-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--gray);
    transition: background 0.15s;
}

.comparison-table td:first-child { color: var(--black); font-weight: 600; }
.comparison-table tbody tr:hover td { background: linear-gradient(135deg, rgba(0,87,255,0.03) 0%, rgba(124,58,237,0.03) 100%); }
.comparison-table tbody tr:last-child td { border-bottom: none; }
.comparison-table .best { color: var(--blue); font-weight: 700; }

/* ===========================
   CATEGORY GRID
=========================== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.category-card {
    position: relative;
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 24px 30px;
    text-align: center;
    color: var(--black);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    letter-spacing: -0.02em;
    transition: transform 0.32s cubic-bezier(0.22,1,0.36,1),
                box-shadow 0.32s cubic-bezier(0.22,1,0.36,1),
                border-color 0.3s;
}

.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.35s;
    z-index: 0;
}

.category-card > * { position: relative; z-index: 1; }

.category-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0,87,255,0.18), 0 6px 20px rgba(124,58,237,0.12);
    border-color: rgba(0,87,255,0.3);
    text-decoration: none;
    color: var(--white);
}

.category-card:hover::before { opacity: 1; }
.category-card:hover .cat-icon-wrap { background: rgba(255,255,255,0.15); }
.category-card:hover .cat-desc { color: rgba(255,255,255,0.8); }

.cat-icon-wrap {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    background: var(--gradient-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    transition: background 0.3s, transform 0.3s;
}

.category-card:hover .cat-icon-wrap { transform: scale(1.1) rotate(-3deg); }

.cat-icon { font-size: 2.2rem; line-height: 1; }

.cat-desc {
    font-size: 0.82rem;
    color: var(--gray);
    font-weight: 400;
    margin-top: 5px;
    line-height: 1.45;
    transition: color 0.3s;
}

/* ===========================
   POPULAR GUIDES GRID
=========================== */
.popular-guides-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.popular-guide-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: var(--black);
    position: relative;
    overflow: hidden;
    transition: transform 0.25s cubic-bezier(0.22,1,0.36,1),
                box-shadow 0.25s,
                border-color 0.25s;
}

.popular-guide-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.25s;
}

.popular-guide-card:hover {
    transform: translateX(4px);
    box-shadow: 0 8px 32px rgba(0,87,255,0.12);
    border-color: rgba(0,87,255,0.2);
    text-decoration: none;
    color: var(--black);
}

.popular-guide-card:hover::before { opacity: 1; }

.pg-label {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.35;
    flex: 1;
}

.pg-arrow {
    font-size: 1.1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
    transition: transform 0.2s;
    font-weight: 700;
}

.popular-guide-card:hover .pg-arrow { transform: translateX(4px); }

/* ===========================
   KEYWORD LINKS (pill cloud)
=========================== */
.keyword-links { display: flex; flex-wrap: wrap; gap: 10px; }

.kw-link {
    background: var(--off-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 8px 18px;
    font-size: 0.855rem;
    color: var(--black);
    font-weight: 500;
    transition: background 0.22s, border-color 0.22s, color 0.22s, transform 0.22s, box-shadow 0.22s;
}

.kw-link:hover {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white) !important;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,87,255,0.28);
}

/* ===========================
   FAQ
=========================== */
.faq-list { display: flex; flex-direction: column; gap: 8px; }

.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px 28px;
    transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
    position: relative;
    overflow: hidden;
}

.faq-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.25s;
}

.faq-item:hover {
    transform: translateX(4px);
    box-shadow: 0 8px 32px rgba(0,87,255,0.10);
    border-color: rgba(0,87,255,0.15);
}

.faq-item:hover::before { opacity: 1; }

.faq-q {
    font-weight: 700;
    font-size: 1rem;
    color: var(--black);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.faq-a { color: var(--gray); font-size: 0.93rem; line-height: 1.7; }

/* ===========================
   BUYING GUIDE STEPS
=========================== */
.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.guide-step {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform 0.28s cubic-bezier(0.22,1,0.36,1), box-shadow 0.28s;
    position: relative;
    overflow: hidden;
}

.guide-step::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 80px; height: 80px;
    background: var(--gradient-soft);
    border-radius: 0 var(--radius-lg) 0 80px;
    transition: all 0.3s;
}

.guide-step:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,87,255,0.12), 0 4px 12px rgba(0,0,0,0.06);
}

.guide-step:hover::before {
    width: 120px; height: 120px;
}

.step-num {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    box-shadow: 0 4px 12px rgba(0,87,255,0.28);
    position: relative;
    z-index: 1;
}

.step-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--black);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.step-desc { font-size: 0.875rem; color: var(--gray); line-height: 1.6; }

/* ===========================
   INTRO BLOCK
=========================== */
.intro-block {
    background: linear-gradient(135deg, #f0f4ff 0%, #f5f0ff 100%);
    border: 1px solid rgba(0,87,255,0.1);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    margin-bottom: 48px;
    font-size: 1.02rem;
    color: var(--gray);
    line-height: 1.75;
    position: relative;
    overflow: hidden;
}

.intro-block::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--gradient);
    border-radius: 4px 0 0 4px;
}

.intro-block strong { color: var(--black); font-weight: 700; }

/* ===========================
   TRUST GRID
=========================== */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.trust-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform 0.28s cubic-bezier(0.22,1,0.36,1), box-shadow 0.28s, border-color 0.28s;
    position: relative;
    overflow: hidden;
}

.trust-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
}

.trust-card > * { position: relative; z-index: 1; }

.trust-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,87,255,0.14);
    border-color: rgba(0,87,255,0.2);
}

.trust-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-soft);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
    transition: background 0.3s, transform 0.3s;
}

.trust-card:hover .trust-icon {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1) rotate(-5deg);
}

.trust-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    transition: color 0.3s;
}

.trust-desc {
    font-size: 0.875rem;
    color: var(--gray);
    line-height: 1.6;
    transition: color 0.3s;
}

/* ===========================
   RELATED LINKS
=========================== */
.related-links { display: flex; flex-wrap: wrap; gap: 10px; }

.related-link {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 20px;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--black);
    transition: background 0.22s, border-color 0.22s, color 0.22s, transform 0.22s, box-shadow 0.22s;
}

.related-link:hover {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white) !important;
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,87,255,0.25);
}

/* ===========================
   FOOTER
=========================== */
.site-footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 28px 40px;
    position: relative;
    overflow: hidden;
}

/* Subtle glow orbs */
.site-footer::before {
    content: '';
    position: absolute;
    top: -100px; left: 10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0,87,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.site-footer::after {
    content: '';
    position: absolute;
    bottom: -80px; right: 10%;
    width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(124,58,237,0.07) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto 56px;
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr 1.1fr;
    gap: 32px;
    position: relative;
    z-index: 1;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 800;
    display: inline-block;
    margin-bottom: 14px;
    letter-spacing: -0.4px;
    color: var(--white) !important;
}

.footer-logo span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo:hover { text-decoration: none !important; }

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }

.footer-col ul li a {
    color: rgba(255,255,255,0.55);
    font-size: 0.9rem;
    transition: color 0.2s, padding-left 0.2s;
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--white);
    text-decoration: none;
    padding-left: 4px;
}

.footer-col p { color: rgba(255,255,255,0.45); font-size: 0.9rem; line-height: 1.7; }

.footer-divider {
    max-width: 1200px;
    margin: 0 auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    position: relative;
    z-index: 1;
}

/* ===========================
   SECTION UTILITY
=========================== */
.section-dark {
    background: var(--dark);
    padding: 80px 0;
    margin: 0 -28px;
    padding-left: 28px;
    padding-right: 28px;
}

.section-gradient {
    background: linear-gradient(135deg, #f0f4ff 0%, #f5f0ff 100%);
    border-top: 1px solid rgba(0,87,255,0.08);
    border-bottom: 1px solid rgba(0,87,255,0.08);
}

/* ===========================
   SCROLL PROGRESS BAR
=========================== */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    background: var(--gradient);
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px rgba(0,87,255,0.5);
}

/* ===========================
   BACK TO TOP
=========================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 46px;
    height: 46px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0,87,255,0.35);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s, transform 0.3s;
    z-index: 500;
    text-decoration: none !important;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,87,255,0.45);
    color: var(--white) !important;
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1200px) {
    .products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .popular-guides-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .hero { padding: 72px 20px 64px; }
    .hero h1 { font-size: 2.1rem; }
    .hero p { font-size: 1rem; }

    .header-inner { height: auto; padding: 14px 20px; flex-wrap: wrap; gap: 0; }
    .header-row { display: flex; width: 100%; align-items: center; justify-content: space-between; }
    .main-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 12px 0 16px;
        gap: 2px;
    }
    .main-nav.open { display: flex; }
    .main-nav a { width: 100%; text-align: center; padding: 10px; }
    .nav-toggle { display: flex; }

    .products-grid { grid-template-columns: 1fr 1fr; }
    .stats-strip { gap: 32px; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .page-hero { padding: 48px 20px 36px; }
    .page-hero h1 { font-size: 1.8rem; }
    section h2 { font-size: 1.7rem; }
    .container { padding: 0 20px; }
    .popular-guides-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.75rem; }
    .products-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stat-num { font-size: 2rem; }
    .stats-strip { gap: 28px; }
    .btn, .btn-ghost { width: 100%; justify-content: center; }
    .back-to-top { bottom: 20px; right: 20px; }
}

/* ═══════════════════════════════════════════════════
   E-COMMERCE: Cart Badge, Nav
   ═══════════════════════════════════════════════════ */

/* Cart link in nav */
.nav-cart-link {
    display: flex !important;
    align-items: center;
    gap: 4px;
    position: relative;
}
.cart-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(90deg, #0057ff, #7c3aed);
    color: #fff;
    font-size: .65rem;
    font-weight: 800;
    padding: 0 4px;
}

/* Generic card for e-commerce pages */
.card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

/* Admin link in footer */
.admin-footer-link {
    font-size: .75rem;
    color: rgba(255,255,255,.3);
    text-decoration: none;
}
.admin-footer-link:hover { color: rgba(255,255,255,.6); }

/* ================================================================
   PRODUCT CARD — title link + view eye button
   ================================================================ */
.product-title-link {
    color: inherit;
    text-decoration: none;
}
.product-title-link:hover { color: var(--blue); }

.product-img-link { display: block; text-decoration: none; }
.product-img-link:hover .product-img { transform: scale(1.03); }
.product-img { transition: transform .2s ease; }

.product-card-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.product-card-actions form { margin: 0; }
.product-card-actions .btn-buy { width: 100%; }

.btn-details {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    min-width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1.5px solid var(--blue);
    color: var(--blue);
    background: rgba(0,87,255,.06);
    text-decoration: none;
    transition: background .15s, color .15s;
    flex-shrink: 0;
}
.btn-details:hover {
    background: var(--blue);
    color: #fff;
}

/* ================================================================
   PRODUCT DETAIL PAGE
   ================================================================ */

/* ── Section wrapper ── */
.product-detail-section {
    background: #fff;
    padding: 48px 0 56px;
    border-bottom: 1px solid #e8edf4;
}
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

/* ── Gallery ── */
.product-gallery {}

.product-gallery-main {
    position: relative;
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.gallery-main-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 24px;
    transition: opacity .2s;
}
.gallery-placeholder {
    font-size: 5rem;
    opacity: .3;
}
.product-detail-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--gradient);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.product-gallery-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}
.thumb-btn {
    width: 72px;
    height: 72px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background: #f8fafc;
    cursor: pointer;
    padding: 4px;
    overflow: hidden;
    transition: border-color .15s;
    flex-shrink: 0;
}
.thumb-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.thumb-btn:hover,
.thumb-btn.active {
    border-color: var(--blue);
}

/* ── Product Info Panel ── */
.product-info { display: flex; flex-direction: column; gap: 18px; }

.product-cat-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.cat-tag {
    font-size: .72rem;
    font-weight: 600;
    color: var(--blue);
    background: rgba(0,87,255,.07);
    border: 1px solid rgba(0,87,255,.18);
    padding: 3px 10px;
    border-radius: 20px;
    text-decoration: none;
    letter-spacing: .02em;
    text-transform: capitalize;
    transition: background .15s;
}
.cat-tag:hover { background: rgba(0,87,255,.13); }
.cat-tag-sm { font-size: .68rem; padding: 2px 8px; }

.product-detail-title {
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--black);
    margin: 0;
    letter-spacing: -.02em;
}
.product-detail-model {
    font-size: .88rem;
    color: var(--gray);
    margin: 0;
}

/* ── Star rating ── */
.product-rating-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.star-row { display: flex; gap: 2px; line-height: 1; }
.star { font-size: 1.15rem; }
.star.full  { color: #f59e0b; }
.star.half  { color: #f59e0b; opacity: .7; }
.star.empty { color: #d1d5db; }
.rating-number { font-weight: 700; font-size: .92rem; color: var(--black); }
.rating-count  { font-size: .82rem; color: var(--gray); }

/* ── Price block ── */
.product-detail-price-wrap {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}
.product-detail-price {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.product-detail-orig {
    font-size: 1.1rem;
    color: var(--gray);
    text-decoration: line-through;
}
.product-detail-save {
    font-size: .8rem;
    font-weight: 700;
    color: #15803d;
    background: #dcfce7;
    padding: 3px 10px;
    border-radius: 20px;
}

/* ── Perks ── */
.product-perks {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 18px 20px;
}
.perk-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .88rem;
    color: #374151;
}
.perk-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ── Add to Cart ── */
.product-atc-form { margin: 0; }
.atc-row {
    display: flex;
    gap: 14px;
    align-items: flex-end;
}
.qty-label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--gray);
    margin-bottom: 6px;
    display: block;
}
.qty-control {
    display: flex;
    align-items: center;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}
.qty-btn {
    background: none;
    border: none;
    width: 38px;
    height: 44px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--blue);
    transition: background .12s;
}
.qty-btn:hover { background: rgba(0,87,255,.06); }
.qty-input {
    width: 42px;
    text-align: center;
    border: none;
    font-size: .95rem;
    font-weight: 700;
    color: var(--black);
    font-family: inherit;
    padding: 0;
    appearance: textfield;
    -moz-appearance: textfield;
    background: transparent;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; }

.btn-atc {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: #fff;
    font-weight: 700;
    padding: 0 28px;
    height: 50px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    letter-spacing: .02em;
    transition: opacity .15s, transform .1s;
    white-space: nowrap;
}
.btn-atc:hover { opacity: .9; transform: translateY(-1px); }
.btn-atc:active { transform: translateY(0); }

.product-sku {
    font-size: .78rem;
    color: var(--gray);
    margin: 0;
}
.product-sku span { font-family: monospace; }

/* ── Description + Specs ── */
.product-body-section {
    padding: 56px 0 64px;
    background: #fff;
}
.product-body-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    align-items: start;
}
.product-desc-col h2,
.product-specs-col h2 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--black);
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e8edf4;
    letter-spacing: -.01em;
}
.product-full-desc p {
    font-size: .95rem;
    line-height: 1.8;
    color: #374151;
    margin: 0 0 14px;
}

/* ── Specs Table ── */
.product-specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}
.product-specs-table th,
.product-specs-table td {
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
}
.product-specs-table th {
    font-weight: 600;
    color: var(--gray);
    width: 38%;
    white-space: nowrap;
}
.product-specs-table td { color: var(--black); }
.product-specs-table tr:last-child th,
.product-specs-table tr:last-child td { border-bottom: none; }
.product-specs-table tr:hover { background: #f8fafc; }

.in-stock-badge {
    color: #15803d;
    font-weight: 600;
    font-size: .85rem;
}

/* ── Related Products ── */
.related-section {
    background: #f8fafc;
    padding: 56px 0 72px;
    border-top: 1px solid #e8edf4;
}
.related-section h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--black);
    margin: 0 0 32px;
    letter-spacing: -.02em;
}

/* ── Product Tabs Nav ── */
.product-tabs-nav {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    border-top: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 80;
}
.product-tabs-nav .container {
    display: flex;
    gap: 0;
}
.ptab-btn {
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 16px 28px;
    font-size: .92rem;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    font-family: inherit;
    transition: color .15s, border-color .15s;
    white-space: nowrap;
}
.ptab-btn:hover { color: var(--blue); }
.ptab-btn.active {
    color: var(--blue);
    border-bottom-color: var(--blue);
}

/* ── Tab heading ── */
.tab-section-heading {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--black);
    margin: 0 0 28px;
    padding-bottom: 14px;
    border-bottom: 2px solid #e8edf4;
    letter-spacing: -.02em;
}

/* ── Full Specs Table ── */
.full-specs-wrap {
    max-width: 800px;
}
.full-specs-table {
    font-size: .9rem;
}
.full-specs-table th {
    width: 42%;
    background: #f8fafc;
}
.full-specs-table tr:nth-child(even) td { background: #fafbfd; }

/* ── Features Grid ── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.feature-card {
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    padding: 22px 22px 22px 20px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: border-color .15s, box-shadow .15s;
}
.feature-card:hover {
    border-color: var(--blue);
    box-shadow: 0 4px 16px rgba(0,87,255,.08);
}
.feature-num {
    font-size: .75rem;
    font-weight: 800;
    color: var(--blue);
    background: rgba(0,87,255,.08);
    border-radius: 8px;
    padding: 4px 8px;
    flex-shrink: 0;
    letter-spacing: .02em;
    font-variant-numeric: tabular-nums;
    line-height: 1.4;
}
.feature-card p {
    font-size: .9rem;
    line-height: 1.6;
    color: #374151;
    margin: 0;
}

/* ── Quick Features List on Overview tab ── */
.features-quick-list {
    margin-top: 28px;
    background: #f0f5ff;
    border: 1.5px solid rgba(0,87,255,.15);
    border-radius: 14px;
    padding: 22px 24px;
}
.features-quick-list h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
    margin: 0 0 14px;
}
.features-ul {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.features-ul li {
    font-size: .88rem;
    color: #374151;
    padding-left: 22px;
    position: relative;
    line-height: 1.5;
}
.features-ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--blue);
    font-weight: 700;
}
.see-all-features-btn {
    background: none;
    border: none;
    color: var(--blue);
    font-size: .85rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.see-all-features-btn:hover { opacity: .75; }

/* ── Responsive: product detail ── */
@media (max-width: 960px) {
    .product-detail-grid { grid-template-columns: 1fr; gap: 36px; }
    .product-body-grid   { grid-template-columns: 1fr; gap: 40px; }
    .product-detail-price { font-size: 1.8rem; }
}
@media (max-width: 640px) {
    .product-detail-section { padding: 32px 0 40px; }
    .product-detail-title   { font-size: 1.3rem; }
    .atc-row                { flex-direction: column; align-items: stretch; }
    .btn-atc                { width: 100%; }
    .product-gallery-thumbs .thumb-btn { width: 58px; height: 58px; }
}