/* ========================================
   VELACREWMERG — DARK GLASS TECH DESIGN
   ======================================== */

/* --- CSS Variables --- */
:root {
    --bg-primary: #050505;
    --bg-secondary: #0b0b0c;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.1);
    --accent-blue: #3b82f6;
    --accent-blue-light: #60a5fa;
    --accent-green: #22c55e;
    --accent-green-light: #4ade80;
    --glow-blue: rgba(59, 130, 246, 0.4);
    --glow-green: rgba(34, 197, 94, 0.3);
    --text-heading: #ffffff;
    --text-body: #cbd5e1;
    --text-muted: #64748b;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-pill: 50px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --container: 1200px;
    --header-height: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-body);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 700;
    line-height: 1.2;
}

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Glass Utilities --- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.glass-card:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.12);
}

.glass-card-micro {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-size: 0.85rem;
    transition: var(--transition);
}

/* --- Buttons --- */
.btn-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
    color: #fff;
    border: none;
    border-radius: var(--radius-pill);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 25px var(--glow-blue);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

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

.btn-glow:hover::before {
    left: 100%;
}

.btn-glow:hover {
    box-shadow: 0 0 40px var(--glow-blue), 0 0 80px rgba(59,130,246,0.2);
    transform: translateY(-2px);
}

.btn-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--glass-bg);
    color: var(--text-heading);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-decoration: none;
}

.btn-glass:hover {
    background: var(--glass-hover);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* --- Text Utilities --- */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-green {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-heading);
    z-index: 10;
}

.logo-icon {
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
    border-radius: 2px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-heading);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.header-cta {
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-heading);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: 999;
    transition: var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.mobile-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
}

.mobile-link:hover,
.mobile-link.active {
    color: var(--text-heading);
}

.mobile-cta {
    margin-top: 16px;
}

/* ========================================
   HERO
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-blue), transparent 70%);
    top: 10%;
    right: 15%;
    animation: glowPulse 4s ease-in-out infinite;
}

.hero-glow-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent 70%);
    bottom: 10%;
    left: 10%;
    animation: glowPulse 5s ease-in-out infinite reverse;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
    padding-top: 40px;
    padding-bottom: 40px;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    color: var(--accent-blue-light);
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.hero-pills {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pill {
    padding: 8px 18px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-heading);
}

/* Hero Product */
.hero-product {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

.product-glow {
    position: absolute;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--glow-blue), transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
    animation: glowPulse 3s ease-in-out infinite;
}

.product-float {
    position: relative;
    z-index: 1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(1deg); }
    66% { transform: translateY(-8px) rotate(-1deg); }
}

/* CSS Mouse Visual */
.mouse-visual {
    position: relative;
    width: 200px;
    height: 320px;
    perspective: 800px;
}

.mouse-body {
    position: relative;
    width: 160px;
    height: 260px;
    margin: 0 auto;
    border-radius: 80px 80px 60px 60px;
    background: linear-gradient(180deg, #1a1a2e 0%, #0d0d15 40%, #16162a 100%);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.8),
        0 0 60px rgba(59, 130, 246, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -2px 0 rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    transform-style: preserve-3d;
}

.mouse-surface {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    overflow: hidden;
}

.mouse-left-btn,
.mouse-right-btn {
    position: absolute;
    top: 0;
    width: 50%;
    height: 45%;
    border-radius: 80px 0 0 0;
}

.mouse-left-btn {
    left: 0;
    border-radius: 80px 0 0 0;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, transparent 100%);
}

.mouse-right-btn {
    right: 0;
    border-radius: 0 80px 0 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 100%);
}

.mouse-scroll {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 32px;
    border-radius: 7px;
    background: linear-gradient(180deg, #2a2a3e, #1a1a28);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.2);
}

.mouse-scroll::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-blue-light));
    border-radius: 2px;
    box-shadow: 0 0 6px var(--glow-blue);
}

.mouse-logo-mark {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.6;
}

.mouse-reflection {
    position: absolute;
    top: 5%;
    left: 15%;
    width: 30%;
    height: 40%;
    background: linear-gradient(160deg, rgba(255,255,255,0.08), transparent);
    border-radius: 80px 40px 60px 40px;
    animation: reflectionSweep 4s ease-in-out infinite;
}

@keyframes reflectionSweep {
    0%, 100% { opacity: 0.5; transform: translateX(0); }
    50% { opacity: 0.8; transform: translateX(10px); }
}

/* Product Large */
.mouse-visual-large {
    width: 280px;
    height: 440px;
}

.mouse-body-large {
    width: 220px;
    height: 360px;
    border-radius: 110px 110px 80px 80px;
}

.mouse-left-btn-large {
    border-radius: 110px 0 0 0;
}

.mouse-right-btn-large {
    border-radius: 0 110px 0 0;
}

.mouse-scroll-large {
    width: 18px;
    height: 40px;
    border-radius: 9px;
}

.mouse-logo-mark-large {
    font-size: 1.6rem;
}

/* Floating Specs */
.product-specs-float {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.spec-float {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-heading);
    animation: float 5s ease-in-out infinite;
    pointer-events: auto;
}

.spec-float-1 { top: 10%; right: -10%; animation-delay: 0s; }
.spec-float-2 { top: 50%; left: -15%; animation-delay: 1s; }
.spec-float-3 { bottom: 15%; right: -5%; animation-delay: 2s; }

.spec-float-icon {
    font-size: 1.1rem;
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-blue), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; height: 30px; }
    50% { opacity: 1; height: 50px; }
}

.hero-scroll-indicator span {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-sub {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.section-cta {
    text-align: center;
    margin-top: 48px;
}

/* ========================================
   FEATURES GRID
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 36px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 30px var(--glow-blue);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.feature-glow {
    position: absolute;
    bottom: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1), transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition-slow);
}

.feature-card:hover .feature-glow {
    opacity: 1;
    bottom: -30%;
}

/* ========================================
   SPECS
   ======================================== */
.specs-showcase {
    max-width: 800px;
    margin: 0 auto;
}

.specs-grid-card {
    padding: 0;
    overflow: hidden;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 28px;
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:hover {
    background: rgba(255, 255, 255, 0.03);
}

.spec-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.spec-value {
    font-size: 0.9rem;
    color: var(--text-heading);
    font-weight: 600;
    text-align: right;
}

/* Full Specs Page */
.specs-full {
    display: grid;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.specs-table-card {
    overflow: hidden;
}

.specs-cat-title {
    padding: 20px 28px;
    font-size: 1.1rem;
    font-weight: 700;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(59, 130, 246, 0.05);
}

/* ========================================
   REVIEWS
   ======================================== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.reviews-grid-full {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.review-card {
    padding: 32px;
}

.review-card:hover {
    transform: translateY(-4px);
}

.review-stars {
    color: #fbbf24;
    font-size: 1.1rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.review-card h4 {
    font-size: 1.05rem;
    margin-bottom: 12px;
}

.review-text {
    font-size: 0.9rem;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.review-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-heading);
}

.review-badge {
    font-size: 0.75rem;
    color: var(--accent-green-light);
    font-weight: 500;
}

/* Review Summary */
.reviews-summary {
    max-width: 500px;
    margin: 0 auto 48px;
}

.review-summary-card {
    padding: 40px;
    text-align: center;
}

.summary-score {
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-heading);
    line-height: 1;
    margin-bottom: 8px;
}

.summary-stars {
    color: #fbbf24;
    font-size: 1.5rem;
    letter-spacing: 4px;
    margin-bottom: 8px;
}

.summary-count {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.summary-bars {
    text-align: left;
}

.bar-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-blue-light));
    border-radius: 3px;
    transition: width 1s ease;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.trust-badge {
    font-weight: 600;
    color: var(--text-heading);
}

/* ========================================
   PRODUCT SECTION
   ======================================== */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.product-gallery {
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.gallery-main {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: crosshair;
}

.gallery-zoom-hint {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.6;
}

.gallery-thumbs {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

.gallery-thumb {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.gallery-thumb.active,
.gallery-thumb:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-blue);
    color: var(--text-heading);
}

.product-details {
    padding: 20px 0;
}

.product-name {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.product-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.product-price-old {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-decoration: line-through;
    font-weight: 400;
}

.product-rating {
    color: #fbbf24;
    font-size: 0.9rem;
    margin-bottom: 28px;
}

.product-rating span {
    color: var(--text-muted);
}

.variant-selector {
    margin-bottom: 28px;
}

.variant-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.variant-options {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
}

.variant-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.variant-btn.active,
.variant-btn:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 0 12px var(--glow-blue);
}

.variant-name {
    font-size: 0.85rem;
    color: var(--text-body);
}

.product-features-list {
    margin-bottom: 28px;
}

.pf-item {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-body);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.product-trust {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

/* ========================================
   PAGE HERO
   ======================================== */
.page-hero {
    padding: 160px 0 60px;
    text-align: center;
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
    filter: blur(80px);
    z-index: 0;
}

.page-hero-content {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.page-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   FEATURES DETAIL (features.html)
   ======================================== */
.features-detailed {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.feature-detail-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.feature-detail-row.reverse {
    direction: rtl;
}

.feature-detail-row.reverse > * {
    direction: ltr;
}

.feature-icon-lg {
    font-size: 3rem;
    margin-bottom: 16px;
}

.feature-detail-content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.feature-detail-content p {
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-body);
    position: relative;
    padding-left: 20px;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-blue-light);
}

.feature-detail-visual {
    padding: 60px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.feature-visual-inner {
    text-align: center;
}

/* DPI Visual */
.dpi-visual {
    display: flex;
    gap: 16px;
    align-items: flex-end;
}

.dpi-ring {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    color: var(--text-heading);
    border: 2px solid var(--accent-blue);
    font-size: 0.8rem;
}

.dpi-ring-1 { width: 60px; height: 60px; opacity: 0.4; }
.dpi-ring-2 { width: 80px; height: 80px; opacity: 0.6; }
.dpi-ring-3 { width: 100px; height: 100px; opacity: 0.8; }
.dpi-ring-4 {
    width: 120px;
    height: 120px;
    opacity: 1;
    box-shadow: 0 0 20px var(--glow-blue);
    background: rgba(59, 130, 246, 0.1);
}

/* Ergo Visual */
.ergo-visual {
    position: relative;
    text-align: center;
}

.ergo-hand {
    font-size: 5rem;
    margin-bottom: 16px;
}

.ergo-curve {
    width: 200px;
    height: 100px;
    border: 2px solid var(--accent-blue);
    border-radius: 0 0 100px 100px;
    border-top: none;
    margin: 0 auto;
    opacity: 0.4;
    box-shadow: 0 5px 20px var(--glow-blue);
}

.ergo-label {
    display: block;
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--accent-blue-light);
    font-weight: 500;
}

/* Silent Visual */
.silent-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.sound-wave {
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: var(--accent-blue);
}

.sw-1 { width: 120px; opacity: 0.3; }
.sw-2 { width: 60px; opacity: 0.5; }
.sw-3 { width: 20px; opacity: 0.8; }

.silent-label {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-top: 16px;
}

/* Battery Visual */
.battery-visual {
    text-align: center;
}

.battery-bar {
    width: 200px;
    height: 40px;
    border: 2px solid var(--glass-border);
    border-radius: 8px;
    padding: 4px;
    position: relative;
    margin: 0 auto 16px;
}

.battery-bar::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background: var(--glass-border);
    border-radius: 0 4px 4px 0;
}

.battery-fill {
    width: 90%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-green-light));
    border-radius: 4px;
    box-shadow: 0 0 12px var(--glow-green);
    animation: batteryPulse 3s ease-in-out infinite;
}

@keyframes batteryPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.battery-label {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-green-light);
}

/* Wireless Visual */
.wireless-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.wireless-signal {
    border: 2px solid var(--accent-blue);
    border-radius: 50%;
    border-bottom: none;
    border-left: none;
    transform: rotate(-45deg);
}

.ws-1 { width: 40px; height: 40px; opacity: 0.3; }
.ws-2 { width: 70px; height: 70px; opacity: 0.6; }
.ws-3 { width: 100px; height: 100px; opacity: 1; box-shadow: 0 0 15px var(--glow-blue); }

.wireless-label {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-top: 16px;
}

/* Glide Visual */
.glide-visual {
    position: relative;
    width: 200px;
    height: 100px;
}

.glide-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

.glide-dot {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--accent-blue-light);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--glow-blue);
    animation: glideDot 3s ease-in-out infinite;
}

@keyframes glideDot {
    0%, 100% { left: 0; }
    50% { left: calc(100% - 12px); }
}

.glide-label {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: var(--accent-blue-light);
    font-weight: 500;
    white-space: nowrap;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-card {
    text-align: center;
    padding: 60px 40px;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.08), transparent 50%);
    z-index: 0;
}

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

.cta-card h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-card p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 1.05rem;
}

/* ========================================
   ABOUT
   ======================================== */
.about-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.about-card {
    padding: 48px;
}

.about-card h2 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.about-card p {
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-card p:last-child {
    margin-bottom: 0;
}

.about-values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.about-value {
    padding: 32px;
    text-align: center;
}

.about-value:hover {
    transform: translateY(-4px);
}

.about-value-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.about-value h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.about-value p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ========================================
   CONTACT
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form-card {
    padding: 40px;
}

.contact-form-card h3 {
    font-size: 1.4rem;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.glass-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-heading);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.glass-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 12px var(--glow-blue);
    background: rgba(255, 255, 255, 0.05);
}

.glass-input::placeholder {
    color: var(--text-muted);
}

select.glass-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

select.glass-input option {
    background: #0b0b0c;
    color: var(--text-heading);
}

textarea.glass-input {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    text-align: center;
    padding: 40px 0;
}

.success-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin: 0 auto 16px;
}

.form-success h3 {
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-muted);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-card {
    padding: 24px;
}

.contact-info-card h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.contact-info-card a {
    color: var(--accent-blue-light);
}

.contact-info-card a:hover {
    color: var(--text-heading);
}

.contact-info-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========================================
   LEGAL
   ======================================== */
.legal-content {
    padding: 48px;
    max-width: 900px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 1.3rem;
    margin-top: 32px;
    margin-bottom: 12px;
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content p {
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 12px;
}

.legal-content ul {
    margin-bottom: 12px;
    padding-left: 24px;
}

.legal-content li {
    list-style: disc;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 4px;
}

.legal-content a {
    color: var(--accent-blue-light);
}

.legal-content a:hover {
    color: var(--text-heading);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
    margin-top: 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 300px;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--text-heading);
}

.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.footer-col a:hover {
    color: var(--text-heading);
}

.footer-text-muted {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   REVEAL ANIMATIONS
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-right {
    transform: translateX(30px);
}

.reveal-right.revealed {
    transform: translateX(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-sub {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-ctas {
        justify-content: center;
    }

    .hero-pills {
        justify-content: center;
    }

    .hero-product {
        min-height: 400px;
    }

    .product-showcase {
        grid-template-columns: 1fr;
    }

    .feature-detail-row,
    .feature-detail-row.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .nav {
        display: none;
    }

    .header-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + 40px);
        padding-bottom: 80px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .spec-float {
        display: none;
    }

    .gallery-main {
        min-height: 300px;
    }

    .mouse-visual {
        width: 140px;
        height: 230px;
    }

    .mouse-body {
        width: 112px;
        height: 182px;
        border-radius: 56px 56px 42px 42px;
    }

    .mouse-visual-large {
        width: 180px;
        height: 300px;
    }

    .mouse-body-large {
        width: 140px;
        height: 230px;
        border-radius: 70px 70px 50px 50px;
    }

    .product-details {
        padding: 0 20px;
    }

    .product-name {
        font-size: 1.4rem;
    }

    .about-card {
        padding: 28px;
    }

    .legal-content {
        padding: 28px;
    }

    .contact-form-card {
        padding: 28px;
    }

    .cta-card {
        padding: 40px 24px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .about-values-grid {
        grid-template-columns: 1fr;
    }

    .dpi-visual {
        flex-wrap: wrap;
        justify-content: center;
    }

    .feature-detail-visual {
        padding: 40px 20px;
        min-height: 200px;
    }

    .page-hero {
        padding: 120px 0 40px;
    }
}

@media (max-width: 480px) {
    .hero-ctas {
        flex-direction: column;
    }

    .hero-ctas .btn-lg {
        width: 100%;
    }

    .hero-pills {
        flex-direction: column;
        align-items: center;
    }

    .trust-badges {
        flex-direction: column;
        align-items: center;
    }

    .product-trust {
        flex-direction: column;
        gap: 8px;
    }

    .variant-options {
        justify-content: flex-start;
    }
}