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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory; /* Smooth snap scroll */
    overflow-x: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #ffffff;
    color: #000000;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

img {
    max-width: 100%;
    height: auto;
}

/* Hide scrollbars for a premium feel */
::-webkit-scrollbar {
    display: none !important;
}
html, body {
    -ms-overflow-style: none !important;
    scrollbar-width: none !important;
}

/* Background Glow */
.bg-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #ffffff 0%, #f7f7f7 70%, #eaeaea 100%);
    z-index: 0;
    pointer-events: none;
}

/* Fixed Glassmorphic Sidebars for Contrast & Premium Look */
.sidebar-left {
    position: fixed;
    left: 2.2vw;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 4.5vh;
    z-index: 100;
    align-items: center;
    padding: 4vh 1.2vw;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8vh;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease;
}

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

.icon-circle {
    width: 42px;
    height: 42px;
    background-color: #000000;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: background-color 0.2s ease;
}

.nav-item:hover .icon-circle {
    background-color: #222222;
}

.nav-label {
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-align: center;
    line-height: 1.3;
    color: #000000;
}

.sidebar-right {
    position: fixed;
    right: 2.2vw;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 5.5vh;
    z-index: 100;
    align-items: center;
    padding: 5vh 1.2vw;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
}

.vertical-nav-item {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: #000000;
    writing-mode: vertical-rl;
    text-orientation: upright;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.vertical-nav-item:hover {
    opacity: 0.6;
}

/* Sections Structure */
section, footer {
    scroll-snap-align: start; /* Enable snap position */
    scroll-snap-stop: always;
}

section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    z-index: 1;
    display: flex;
    align-items: center;
}

/* 1. Hero Section Layout */
.hero-section {
    height: 100vh;
}

.hero-content {
    position: relative;
    width: 82%;
    height: 100vh;
    margin: 0 auto;
    z-index: 2;
}

/* Typography Backdrop */
.mega-text-container {
    position: absolute;
    top: 4vh;
    left: 8%;
    width: 84%;
    z-index: 1;
    pointer-events: none;
}

.mega-text {
    font-family: 'Playfair Display', serif;
    font-size: 16.5vw;
    font-weight: 600;
    line-height: 0.85;
    color: #000000;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    letter-spacing: -0.05em;
}

.text-aura {
    display: flex;
    align-items: baseline;
}

.dot {
    display: inline-block;
    width: 1.4vw;
    height: 1.4vw;
    background-color: #000000;
    border-radius: 50%;
    margin-right: 2.5vw;
    transform: translateY(-0.7vw);
}

.text-v1 {
    font-style: italic;
    transform: translateY(11vh);
}

/* Headset Wrapper - Adjusted for cropped image margins & shifted slightly right */
.headset-wrapper {
    position: absolute;
    bottom: 0;
    left: 53.5%; /* Shifted slightly to the right on desktop */
    transform: translateX(-50%);
    width: 48vw;
    height: 72vh;
    z-index: 2;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    overflow: visible;
}

.headset-img {
    height: 105%;
    width: auto;
    object-fit: contain;
    transform: translateY(4%);
}

/* Bottom Panel styling */
.bottom-panel {
    position: absolute;
    bottom: 8vh;
    left: 8%;
    width: 84%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    z-index: 3;
}

.info-left {
    max-width: 36vw;
}

.title-main {
    font-size: 3.4vw;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: #000000;
}

.description {
    font-size: 0.9vw;
    line-height: 1.55;
    color: #222222;
    font-weight: 400;
    margin-top: 2.2vh;
    max-width: 32vw;
}

.info-right {
    display: flex;
    flex-direction: column;
    gap: 2.2vh;
    align-items: flex-end;
    padding-bottom: 0.5vh;
}

.cta-link {
    display: flex;
    align-items: center;
    gap: 0.8vw;
    text-decoration: none;
    color: #000000;
    font-size: 0.85vw;
    font-weight: 800;
    letter-spacing: 0.05em;
    transition: transform 0.2s ease;
}

.cta-link span {
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.cta-link:hover span {
    border-color: #000000;
}

.cta-link:hover {
    transform: translateX(3px);
}

.arrow {
    font-size: 1.1vw;
    line-height: 1;
    font-weight: 400;
    transition: transform 0.2s ease;
}

.cta-link:hover .arrow {
    transform: translateX(4px);
}

/* Smooth Fog Blending Overlay at bottom of Hero section */
.hero-bottom-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 12vh;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, #f9f9f9 100%);
    z-index: 4;
    pointer-events: none;
}

/* Common Inner Container for scrolled sections */
.section-container {
    width: 82%;
    margin: 0 auto;
    padding: 12vh 0 8vh 0;
    z-index: 2;
}

.feature-header {
    margin-bottom: 8vh;
}

.section-tag {
    font-size: 0.75vw;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: #888888;
    display: block;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 3vw;
    font-weight: 600;
    line-height: 1.1;
    margin-top: 1.5vh;
    letter-spacing: -0.02em;
}

/* 2. Features Section */
.features-section {
    background-color: #f9f9f9;
}

.features-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 4vw;
    width: 100%;
}

.feature-card {
    display: flex;
    flex-direction: column;
}

.feature-card .card-img-wrapper {
    width: 100%;
    height: 480px;
    border-radius: 8px;
    overflow: hidden;
    background-color: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.feature-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.feature-card:hover .feature-img {
    transform: scale(1.03);
}

.card-info {
    margin-top: 3vh;
}

.card-info h3, .card-info-only h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8vw;
    font-weight: 600;
    color: #000000;
    letter-spacing: -0.01em;
}

.card-info p, .card-info-only p {
    font-size: 0.95vw;
    color: #555555;
    line-height: 1.6;
    margin-top: 1.5vh;
}

.feature-card.side {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-info-only {
    padding: 2vh 0;
}

.border-top {
    border-top: 1px solid #e0e0e0;
    padding-top: 4vh;
}

.card-number {
    font-size: 0.8vw;
    font-weight: 800;
    color: #888888;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 1.5vh;
}

/* 3. Spatial Audio Section */
.audio-section {
    background-color: #ffffff;
}

.audio-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5vw;
    align-items: center;
    width: 100%;
}

.audio-text h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2vw;
    font-weight: 600;
    margin-bottom: 2vh;
}

.audio-text p {
    font-size: 0.95vw;
    color: #444;
    line-height: 1.6;
    margin-bottom: 3vh;
}

.audio-bullets {
    padding-left: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5vh;
}

.audio-bullets li {
    font-size: 0.9vw;
    color: #555;
}

.audio-visual-box {
    background-color: #f7f7f7;
    border-radius: 8px;
    height: 380px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #eaeaea;
    position: relative;
    overflow: hidden;
}

.waves-container {
    width: 240px;
    height: 240px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.active-label {
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.15em;
    z-index: 10;
    color: #ffffff;
    margin-top: 100px;
    position: absolute;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.chip-core {
    position: absolute;
    z-index: 8;
    background-color: #000000;
    color: #ffffff;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    animation: chip-pulse 2s infinite ease-in-out;
}

@keyframes chip-pulse {
    0% { transform: scale(1); box-shadow: 0 10px 25px rgba(0,0,0,0.15); }
    50% { transform: scale(1.06); box-shadow: 0 15px 30px rgba(0,0,0,0.25); }
    100% { transform: scale(1); box-shadow: 0 10px 25px rgba(0,0,0,0.15); }
}

.wave {
    position: absolute;
    border: 1.5px solid rgba(0,0,0,0.15);
    border-radius: 50%;
    width: 100%;
    height: 100%;
    animation: ripple 4s linear infinite;
    opacity: 0;
}

.wave2 { animation-delay: 1.3s; }
.wave3 { animation-delay: 2.6s; }

@keyframes ripple {
    0% { transform: scale(0.25); opacity: 1; }
    100% { transform: scale(1.15); opacity: 0; }
}

/* 4. AURA OS Section */
.os-section {
    background-color: #f9f9f9;
}

.os-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 4vw;
    width: 100%;
    align-items: center;
}

.os-showcase {
    background-color: #ffffff;
    border-radius: 8px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #e2e2e2;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.app-window {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 12px;
    width: 80%;
    padding: 5vh 3vw;
    box-shadow: 0 20px 50px rgba(0,0,0,0.04);
    position: relative;
}

.window-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ddd;
    top: 2vh;
}
.window-dot:nth-child(1) { left: 20px; }
.window-dot:nth-child(2) { left: 34px; }
.window-dot:nth-child(3) { left: 48px; }

.app-window h4 {
    font-size: 0.8vw;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #666;
    margin-bottom: 2vh;
}

.app-window p {
    font-family: 'Playfair Display', serif;
    font-size: 1.6vw;
    line-height: 1.4;
    color: #000;
}

.os-feature-item {
    padding: 3vh 0;
}

.os-feature-item h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8vw;
    font-weight: 600;
    margin-bottom: 1.5vh;
}

.os-feature-item p {
    font-size: 0.95vw;
    color: #555;
    line-height: 1.6;
}

/* 5. Comfort Section */
.comfort-section {
    background-color: #ffffff;
}

.comfort-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3vw;
    width: 100%;
}

.comfort-box {
    background-color: #f7f7f7;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    padding: 6vh 4vw;
}

.comfort-num {
    font-family: 'Playfair Display', serif;
    font-size: 3vw;
    font-weight: 600;
    color: #888888;
    display: block;
    margin-bottom: 2vh;
}

.comfort-box h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8vw;
    font-weight: 600;
    margin-bottom: 1.5vh;
}

.comfort-box p {
    font-size: 0.95vw;
    color: #555;
    line-height: 1.6;
}

/* 6. Tech Specs Section */
.tech-section {
    background-color: #ffffff;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.2vw;
    width: 100%;
}

.spec-box {
    background-color: #f7f7f7;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    padding: 5vh 3vw;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.spec-box:hover {
    border-color: #000000;
    background-color: #fafafa;
}

.spec-label {
    font-size: 0.75vw;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: #888888;
    display: block;
    margin-bottom: 2.5vh;
}

.spec-val {
    font-family: 'Playfair Display', serif;
    font-size: 2vw;
    font-weight: 600;
    color: #000000;
    margin-bottom: 1.5vh;
    letter-spacing: -0.01em;
}

.spec-desc {
    font-size: 0.9vw;
    color: #555555;
    line-height: 1.5;
}

/* 7. In The Box Section */
.box-section {
    background-color: #ffffff;
}

.box-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2vw;
    width: 100%;
}

.box-item {
    background-color: #f7f7f7;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    padding: 4.5vh 2.2vw;
    transition: border-color 0.3s ease;
}

.box-item:hover {
    border-color: #000000;
}

.box-item-dot {
    width: 10px;
    height: 10px;
    background-color: #000000;
    border-radius: 50%;
    margin-bottom: 2.5vh;
}

.box-item h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.4vw;
    font-weight: 600;
    margin-bottom: 1.5vh;
}

.box-item p {
    font-size: 0.85vw;
    color: #555555;
    line-height: 1.55;
}

/* 8. Editorial Reviews Section */
.reviews-section {
    background-color: #f9f9f9;
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    width: 100%;
}

.reviews-grid .review-card {
    background-color: #ffffff;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    padding: 6vh 4vw;
    box-shadow: 0 10px 30px rgba(0,0,0,0.01);
}

.quote {
    font-family: 'Playfair Display', serif;
    font-size: 1.8vw;
    font-weight: 500;
    line-height: 1.45;
    font-style: italic;
    color: #000000;
    margin-bottom: 4vh;
}

.quote-author {
    font-size: 0.75vw;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: #888888;
}

/* 9. Buy Section */
.buy-section {
    background-color: #f9f9f9;
}

.buy-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5vw;
    align-items: center;
    width: 100%;
}

.buy-img-wrapper {
    width: 100%;
    height: 520px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
}

.buy-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.buy-config {
    display: flex;
    flex-direction: column;
}

.config-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.8vw;
    font-weight: 600;
    color: #000000;
    margin-bottom: 1.5vh;
}

.price-tag {
    font-size: 2vw;
    font-weight: 800;
    color: #000000;
    margin-bottom: 4vh;
}

.config-options {
    display: flex;
    flex-direction: column;
    gap: 3.5vh;
    margin-bottom: 5vh;
}

.option-label {
    font-size: 0.75vw;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #888888;
    text-transform: uppercase;
    display: block;
    margin-bottom: 1.5vh;
}

.option-row {
    display: flex;
    gap: 1vw;
}

.option-btn {
    background: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 1.5vh 2vw;
    font-size: 0.8vw;
    font-weight: 800;
    color: #000000;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
    text-align: center;
}

.option-btn.active, .option-btn:hover {
    border-color: #000000;
    background-color: #000000;
    color: #ffffff;
}

.checkout-btn {
    background-color: #000000;
    color: #ffffff;
    border: none;
    padding: 2.2vh 0;
    font-size: 0.9vw;
    font-weight: 800;
    letter-spacing: 0.1em;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-bottom: 2.5vh;
}

.checkout-btn:hover {
    background-color: #222222;
}

.checkout-note {
    font-size: 0.8vw;
    color: #666666;
    line-height: 1.5;
}

/* 10. FAQ Section */
.faq-section {
    background-color: #ffffff;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.faq-item {
    border-bottom: 1px solid #e5e5e5;
    padding: 3vh 0;
}

.faq-item:first-child {
    border-top: 1px solid #e5e5e5;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question h4 {
    font-size: 1.15vw;
    font-weight: 600;
}

.faq-toggle {
    font-size: 1.6vw;
    font-weight: 300;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1), margin-top 0.4s ease;
}

.faq-item.open .faq-answer {
    max-height: 150px;
    margin-top: 2vh;
}

.faq-answer p {
    font-size: 0.9vw;
    color: #555;
    line-height: 1.6;
}

/* Footer styling */
.site-footer {
    background-color: #000000;
    color: #ffffff;
    padding: 10vh 9% 6vh 9%;
    display: flex;
    flex-direction: column;
    gap: 8vh;
    z-index: 10;
    position: relative;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-brand .footer-logo {
    font-family: 'Playfair Display', serif;
    font-size: 2.2vw;
    font-weight: 600;
    letter-spacing: -0.05em;
}

.footer-brand p {
    font-size: 0.9vw;
    color: #888888;
    margin-top: 1.5vh;
}

.footer-links {
    display: flex;
    gap: 6vw;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1.8vh;
}

.footer-col span {
    font-size: 0.75vw;
    font-weight: 800;
    color: #666666;
    letter-spacing: 0.1em;
    margin-bottom: 1vh;
}

.footer-col a {
    color: #cccccc;
    text-decoration: none;
    font-size: 0.9vw;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid #222222;
    padding-top: 4vh;
    font-size: 0.8vw;
    color: #555555;
    text-align: center;
}

/* Responsive adjustments for smaller screens (Mobile Optimization) */
@media (max-width: 768px) {
    .sidebar-left, .sidebar-right {
        display: none; /* Hide fixed sidebars on mobile */
    }
    
    /* Responsive grid layouts */
    .features-grid, .specs-grid, .buy-grid, .audio-content-grid, .os-grid, .comfort-grid, .box-grid, .reviews-grid {
        grid-template-columns: 1fr;
        gap: 4vh;
    }
    
    .section-container {
        width: 88%;
        padding: 8vh 0 6vh 0;
    }
    
    .section-title {
        font-size: 7.5vw;
    }
    
    /* 1. Mobile Hero Redesign to look absolutely stunning using Transparent PNG */
    .hero-section {
        height: 100vh;
        overflow: hidden;
        position: relative;
    }
    
    .hero-content {
        width: 100%;
        height: 100vh;
        position: relative;
        margin: 0;
        padding: 0;
    }
    
    .mega-text-container {
        position: absolute;
        top: 10vh;
        left: 0;
        width: 100%;
        text-align: center;
        z-index: 3; /* Places text on top of the VR headset (z-index: 2) on mobile */
        pointer-events: none;
    }
    
    .mega-text {
        font-family: 'Playfair Display', serif;
        font-size: 20vw;
        font-weight: 600;
        line-height: 0.85;
        color: #000000;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        letter-spacing: -0.04em;
        width: 100%;
    }
    
    .text-aura {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .dot {
        width: 3.5vw;
        height: 3.5vw;
        margin-right: 2.5vw;
        transform: translateY(-0.5vw);
    }
    
    .text-v1 {
        font-style: italic;
        transform: none;
        margin-top: 1vh;
    }
    
    /* Adjusted for cropped image margins on mobile */
    .headset-wrapper {
        position: absolute;
        top: 40vh;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 78vw;
        height: 32vh;
        z-index: 2;
        display: flex;
        justify-content: center;
        align-items: center;
        pointer-events: none;
    }
    
    .headset-img {
        height: 100%;
        width: auto;
        object-fit: contain;
        transform: scale(1.1); /* Fits and overlays stacked text beautifully */
    }
    
    .bottom-panel {
        position: absolute;
        bottom: 5vh;
        left: 6%;
        width: 88%;
        z-index: 3;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 2vh;
    }
    
    .info-left {
        max-width: 100%;
    }
    
    .title-main {
        font-size: 1.8rem;
        text-align: center;
        line-height: 1.1;
    }
    
    .description {
        font-size: 0.88rem;
        max-width: 100%;
        margin-top: 1vh;
        line-height: 1.45;
        text-align: center;
        color: #333333;
    }
    
    /* Stacked vertically on mobile to prevent ugly text wrapping */
    .info-right {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 100%;
        gap: 2vh;
    }
    
    .cta-link {
        font-size: 0.9rem;
    }
    
    .arrow {
        font-size: 1.05rem;
    }
    
    .hero-bottom-fade {
        height: 8vh;
    }
    
    /* 2. Mobile Features details */
    .feature-card .card-img-wrapper {
        height: 260px;
    }
    .card-info h3, .card-info-only h3, .spec-val, .config-title, .price-tag, .audio-text h3, .os-feature-item h3, .comfort-box h3, .faq-question h4, .box-item h3, .quote {
        font-size: 1.35rem;
    }
    .card-info p, .card-info-only p, .spec-desc, .option-btn, .checkout-btn, .checkout-note, .audio-text p, .audio-bullets li, .os-feature-item p, .comfort-box p, .faq-answer p, .box-item p, .quote-author {
        font-size: 0.9rem;
    }
    
    /* Other sections elements */
    .audio-visual-box {
        height: 280px;
    }
    .waves-container {
        width: 160px;
        height: 160px;
    }
    .os-showcase {
        height: 300px;
    }
    .app-window {
        width: 90%;
    }
    .app-window p {
        font-size: 1.25rem;
    }
    .comfort-num {
        font-size: 2.5rem;
    }
    .box-item {
        padding: 3.5vh 5vw;
    }
    .buy-img-wrapper {
        height: 300px;
    }
    .option-row {
        flex-direction: column;
        gap: 1.5vh;
    }
    .option-btn {
        padding: 1.8vh 0;
    }
    .checkout-btn {
        padding: 2vh 0;
    }
    
    /* FAQ mobile styling */
    .faq-question h4 {
        font-size: 1rem;
        max-width: 85%;
        line-height: 1.4;
    }
    .faq-toggle {
        font-size: 1.4rem;
    }
    .faq-answer p {
        font-size: 0.9rem;
    }
    
    /* Mobile Footer Alignment & Spacing */
    .site-footer {
        padding: 8vh 6% 4vh 6%;
        gap: 6vh;
    }
    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 5vh;
    }
    .footer-brand .footer-logo {
        font-size: 2rem;
    }
    .footer-brand p {
        font-size: 0.95rem;
        margin-top: 1.5vh;
    }
    .footer-links {
        flex-direction: row;
        justify-content: center;
        gap: 16vw;
        width: 100%;
    }
    .footer-col {
        align-items: center;
    }
    .footer-col span {
        font-size: 0.8rem;
    }
    .footer-col a {
        font-size: 0.95rem;
    }
    .footer-bottom {
        font-size: 0.75rem;
        margin-top: 2vh;
    }
}