@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ==========================================================================
   DESIGN SYSTEM VARIABLES & THEME
   ========================================================================== */
:root {
    /* Colors */
    --color-bg-primary: #000000;       /* Pitch black matching the book cover */
    --color-bg-secondary: #0a0a0a;     /* Deep charcoal gray */
    --color-bg-tertiary: #121212;      /* Medium charcoal gray */
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b8;   /* Clean silver-gray matching the cover text */
    --color-text-muted: #666675;
    
    --color-accent: #d6222f;          /* Deep Crimson Red matching the book spine and text accent */
    --color-accent-hover: #b21e29;
    --color-accent-rgb: 214, 34, 47;
    
    --color-gold: #ffd000;            /* Track gold matching the runner's speed lines */
    --color-gold-rgb: 255, 208, 0;
    
    --color-glass-bg: rgba(18, 18, 18, 0.7);
    --color-glass-border: rgba(255, 255, 255, 0.07);
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(214, 34, 47, 0.35);
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, var(--color-bg-primary), var(--color-bg-secondary));
    --grad-card: linear-gradient(145deg, rgba(18, 18, 18, 0.9), rgba(10, 10, 10, 0.9));
    --grad-accent: linear-gradient(135deg, #e63946, #b21e29);
    --grad-gold: linear-gradient(135deg, #ffe066, #ffd000);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-primary);
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(214, 34, 47, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 208, 0, 0.02) 0%, transparent 45%);
    z-index: -1;
    pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text-primary);
}

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

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

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border: 2px solid var(--color-bg-primary);
    border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Selection style */
::selection {
    background: rgba(var(--color-accent-rgb), 0.3);
    color: var(--color-text-primary);
}

/* ==========================================================================
   LAYOUT CONTAINERS & UTILITIES
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.grid-3 {
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-accent { color: var(--color-accent); }

/* Glassmorphic Card */
.glass-card {
    background: var(--color-glass-bg);
    border: 1px solid var(--color-glass-border);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    border-color: rgba(var(--color-accent-rgb), 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 15px rgba(var(--color-accent-rgb), 0.1);
}

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: padding var(--transition-normal), background-color var(--transition-normal);
    padding: 1.5rem 0;
}

.header.sticky {
    padding: 0.8rem 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-glass-border);
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo img {
    height: 42px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    background: var(--grad-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-fast);
}

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

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

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1100;
}

.mobile-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 3rem;
        transition: right var(--transition-normal);
        z-index: 1050;
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.5rem;
    }
    
    /* Burger Animation */
    .mobile-toggle.open span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .mobile-toggle.open span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--grad-accent);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 90, 31, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-glass-border);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
}

/* ==========================================================================
   HERO / BANNER SECTION
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(var(--color-accent-rgb), 0.1);
    border: 1px solid rgba(var(--color-accent-rgb), 0.25);
    border-radius: 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    align-self: flex-start;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1500px;
    position: relative;
}

/* ==========================================================================
   ROTATING BOOK VIDEO SHOWCASE & LIGHT HERO THEME
   ========================================================================== */
.hero {
    background-color: #ffffff;
    color: var(--color-bg-primary);
    position: relative;
    box-shadow: inset 0 -30px 60px rgba(0, 0, 0, 0.03);
}

.hero-title {
    color: var(--color-bg-primary);
}

.hero-desc {
    color: #43414d;
}

.hero .btn-secondary {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--color-bg-primary);
}

.hero .btn-secondary:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.video-container {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.rotating-book-video {
    width: 100%;
    height: auto;
    max-height: 580px;
    object-fit: contain;
    mix-blend-mode: multiply; /* Blends the video's white background perfectly with the hero section's white background */
    clip-path: inset(0% 15% 0% 15%); /* Crops out the black side borders of the video */
    transform: scale(1.22); /* Slightly zooms in to fill the space and compensate for the side crops */
}

/* Homepage navigation styling when transparent over the white hero background */
.home-header:not(.sticky) .nav-link {
    color: #3b3945;
}

.home-header:not(.sticky) .nav-link:hover,
.home-header:not(.sticky) .nav-link.active {
    color: var(--color-accent);
}

.home-header:not(.sticky) .mobile-toggle span {
    background: var(--color-bg-primary);
}

/* ==========================================================================
   COMPANION MOBILE APP SECTION & MOCKUP
   ========================================================================== */
.phone-mockup {
    width: 100%;
    max-width: 300px;
    height: 600px;
    border: 12px solid #1c1c1e; /* Device Bezel */
    border-radius: 40px;
    background: #000000;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.1);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Dynamic Island Notch */
.phone-mockup::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 20px;
    background: #1c1c1e;
    border-radius: 12px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 28px;
    overflow: hidden;
    position: relative;
    background: #000000;
}

.app-promo-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.app-feature-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.app-feature-icon {
    width: 44px;
    height: 44px;
    background: rgba(var(--color-accent-rgb), 0.15);
    border: 1px solid rgba(var(--color-accent-rgb), 0.25);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1.15rem;
    flex-shrink: 0;
}

.app-feature-text h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.app-feature-text p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* App Store Badge */
.app-store-badge {
    display: inline-flex;
    align-items: center;
    background: #000000;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 0.5rem 1.25rem;
    color: #ffffff;
    gap: 0.75rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.app-store-badge:hover {
    background: #0d0d0d;
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), 0 8px 24px rgba(0, 0, 0, 0.4);
}

.badge-apple-icon {
    font-size: 1.85rem;
    color: #ffffff;
}

.badge-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.15;
}

.badge-sub {
    font-size: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.75;
}

.badge-main {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.3px;
}

/* ========================================================================== */

/* ==========================================================================
   FEATURED / INFO SECTIONS
   ========================================================================= */
.section-header {
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(var(--color-accent-rgb), 0.1);
    border: 1px solid rgba(var(--color-accent-rgb), 0.2);
    border-radius: 12px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Featured detail items */
.detail-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: 100%;
}

.detail-icon {
    width: 54px;
    height: 54px;
    background: rgba(var(--color-accent-rgb), 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1.5rem;
}

.detail-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.detail-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ==========================================================================
   REVIEWS & TESTIMONIALS
   ========================================================================== */
.review-card {
    position: relative;
    padding-top: 3.5rem;
}

.review-quote-icon {
    position: absolute;
    top: 2rem;
    left: 2.5rem;
    font-size: 3rem;
    color: rgba(var(--color-accent-rgb), 0.15);
    font-family: Georgia, serif;
    line-height: 1;
}

.review-content {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-style: italic;
    color: var(--color-text-primary);
    position: relative;
    z-index: 1;
}

.review-author {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-accent);
}

.review-author-title {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   COVER GALLERY / EVOLUTION
   ========================================================================== */
.evolution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
@media (max-width: 576px) {
    .evolution-grid {
        grid-template-columns: 1fr;
    }
}

.evolution-card {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-glass-border);
    position: relative;
    cursor: pointer;
    background: var(--color-bg-secondary);
}

.evolution-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.evolution-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.evolution-card:hover .evolution-overlay {
    opacity: 1;
}

.evolution-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

/* ==========================================================================
   EXCERPTS / TAB SYSTEM
   ========================================================================== */
.excerpts-layout {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}
@media (min-width: 1024px) {
    .excerpts-layout {
        flex-direction: row;
    }
}

.excerpts-sidebar {
    flex: 0 0 320px;
}

.tab-btn {
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-glass-border);
    border-radius: 12px;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--color-text-primary);
}

.tab-btn.active {
    background: var(--color-bg-tertiary);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.tab-btn.active i {
    transform: translateX(4px);
    color: var(--color-accent);
}

.tab-btn i {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.excerpts-content {
    flex: 1;
}

.tab-panel {
    display: none;
    animation: fadeIn var(--transition-normal) forwards;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.excerpt-viewer {
    display: flex;
    justify-content: center;
    background: #09080c;
    border: 1px solid var(--color-glass-border);
    border-radius: 16px;
    padding: 2rem;
    overflow: hidden;
}

.excerpt-viewer img {
    max-height: 700px;
    width: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.excerpt-viewer img:hover {
    transform: scale(1.02);
}

/* ==========================================================================
   CONTACT / SHOP FORMS
   ========================================================================== */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-glass-border);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 10px rgba(var(--color-accent-rgb), 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-feedback {
    display: none;
    font-size: 0.8rem;
    margin-top: 0.35rem;
}

.form-feedback.success {
    display: block;
    color: #00e676;
}

.form-feedback.error {
    display: block;
    color: #ff1744;
}

/* Shop signup specifics */
.shop-card {
    max-width: 600px;
    margin: 0 auto;
}

.inline-form {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.inline-form .form-control {
    flex: 1;
    min-width: 250px;
}

.inline-form .btn {
    white-space: nowrap;
}

/* ==========================================================================
   POLICIES PAGES LAYOUT
   ========================================================================== */
.policy-content {
    max-width: 800px;
    margin: 0 auto;
}

.policy-content h2, .policy-content h3 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.policy-content p {
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
}

.policy-content ul, .policy-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
    list-style-type: square;
    color: var(--color-text-secondary);
}

.policy-content li {
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: #07060a;
    border-top: 1px solid var(--color-glass-border);
    padding: 5rem 0 2rem 0;
    color: var(--color-text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}
@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1.5fr;
    }
}

.footer-brand h3 {
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

.footer-brand p {
    max-width: 300px;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.footer-links h4, .footer-social h4 {
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-links-list li {
    margin-bottom: 0.75rem;
}

.footer-links-list a:hover {
    color: var(--color-accent);
}

.footer-social p {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.social-icon:hover {
    background: var(--color-accent);
    color: var(--color-text-primary);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--color-accent-rgb), 0.3);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a:hover {
    color: var(--color-text-secondary);
}

/* ==========================================================================
   SCROLL ENTRANCE REVEAL ANIMATIONS
   ========================================================================== */
.reveal-fade, .reveal-slide-up {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.reveal-slide-up {
    transform: translateY(40px);
}

.reveal-fade.in-view, .reveal-slide-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   SHOP PAGE PRODUCT LAYOUT
   ========================================================================== */
.shop-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    align-items: center;
}

@media (min-width: 992px) {
    .shop-grid {
        grid-template-columns: 1.5fr 1fr;
        gap: 2.5rem;
    }
}

.shop-product-img-wrapper {
    position: relative;
    display: flex;
    flex-direction: row;
    gap: 0;
    justify-content: center;
    align-items: center;
    padding: 0;
    background: none;
    border: none;
}

.shop-product-img {
    max-width: 100%;
    max-height: 480px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.8));
    transition: transform var(--transition-normal), filter var(--transition-normal);
}

.shop-product-img-wrapper:hover .shop-product-img {
    transform: scale(1.04) rotate(-1deg);
    filter: drop-shadow(0 25px 50px rgba(var(--color-accent-rgb), 0.15)) drop-shadow(0 20px 40px rgba(0, 0, 0, 0.9));
}

.shop-product-img-double {
    flex: 1;
    max-width: 50%;
    max-height: 580px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.8));
    transition: transform var(--transition-normal), filter var(--transition-normal);
}

.shop-product-img-wrapper:hover .shop-product-img-double {
    transform: scale(1.03);
    filter: drop-shadow(0 20px 45px rgba(var(--color-accent-rgb), 0.15)) drop-shadow(0 15px 35px rgba(0, 0, 0, 0.9));
}

.shop-product-info {
    display: flex;
    flex-direction: column;
}

.shop-product-tag {
    align-self: flex-start;
}

.shop-product-title {
    font-size: 2.75rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--color-text-primary) 60%, var(--color-text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.shop-product-subtitle {
    font-size: 1.2rem;
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.shop-product-description {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.spec-table {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 2.5rem;
    border-top: 1px solid var(--color-glass-border);
    border-bottom: 1px solid var(--color-glass-border);
    padding: 1.25rem 0;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

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

.spec-value {
    color: var(--color-text-primary);
    font-weight: 600;
}

.shop-actions-group {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (min-width: 576px) {
    .shop-actions-group {
        flex-direction: row;
        align-items: center;
    }
}

.btn-amazon {
    background: linear-gradient(135deg, #ffd000, #ff9900);
    color: #000000;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 153, 0, 0.25);
    border: none;
}

.btn-amazon:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 153, 0, 0.45);
    background: linear-gradient(135deg, #ffe066, #ffb300);
    color: #000000;
}

.btn-amazon i {
    font-size: 1.15rem;
}

.shop-newsletter-section {
    margin-top: 5rem;
    border-top: 1px solid var(--color-glass-border);
    padding-top: 4rem;
}

/* ==========================================================================
   MEDIA GALLERY & LIGHTBOX SHOWCASE
   ========================================================================== */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-glass-border);
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.filter-btn:hover {
    color: var(--color-text-primary);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.filter-btn.active {
    background: rgba(var(--color-accent-rgb), 0.15);
    border-color: var(--color-accent);
    color: var(--color-text-primary);
    box-shadow: 0 0 15px rgba(var(--color-accent-rgb), 0.2);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

@media (min-width: 576px) {
    .media-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .media-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.media-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform var(--transition-normal);
}

.media-card.hidden {
    display: none;
}

/* Small Smartphone Bezel for 9:16 Assets */
.media-phone-frame {
    width: 100%;
    max-width: 280px;
    aspect-ratio: 9 / 19.5; /* iPhone aspect ratio */
    border: 8px solid #1c1c1e;
    border-radius: 28px;
    background: #000000;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.media-phone-frame::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 30%;
    height: 10px;
    background: #1c1c1e;
    border-radius: 6px;
    z-index: 10;
}

.media-phone-frame:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--color-accent);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.8), 0 0 15px rgba(var(--color-accent-rgb), 0.25);
}

.media-screen-content {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 5;
}

.media-phone-frame:hover .media-overlay {
    opacity: 1;
}

.media-icon-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(var(--color-accent-rgb), 0.4);
    transform: scale(0.85);
    transition: transform var(--transition-normal);
}

.media-phone-frame:hover .media-icon-btn {
    transform: scale(1);
}

.media-tag {
    position: absolute;
    bottom: 15px;
    padding: 0.25rem 0.6rem;
    background: rgba(0, 0, 0, 0.85);
    border: 1px solid var(--color-glass-border);
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Fullscreen Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.lightbox-modal.open {
    display: flex;
    opacity: 1;
}

.lightbox-content-container {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-content-container img,
.lightbox-content-container video {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 12px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 2.25rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 2100;
}

.lightbox-close:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}

.lightbox-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-glass-border);
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.35rem;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 2100;
}

.lightbox-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

@media (max-width: 768px) {
    .lightbox-btn {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
}