/* ================================================
   Royal 500 - Neo-Brutalism Design System
   ================================================ */

/* ================================================
   1. CSS Variables & Reset
   ================================================ */
:root {
    /* Colors - Neo-Brutalism Palette */
    --color-white: #FFFFFF;
    --color-black: #0A0A0A;
    --color-navy: #1A2332;
    --color-navy-light: #2A3542;
    --color-gold: #C9A961;
    --color-gold-dark: #B89851;
    --color-gold-light: #E4D4A8;
    --color-gray: #F5F5F5;
    --color-gray-dark: #CCCCCC;
    --color-accent: #FF6B35;
    
    /* Typography */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    /* Neo-Brutalism */
    --border-thick: 6px;
    --border-medium: 4px;
    --border-thin: 2px;
    --shadow-brutal: 8px 8px 0 var(--color-black);
    --shadow-brutal-hover: 12px 12px 0 var(--color-black);
    --shadow-subtle: 4px 4px 0 var(--color-black);
    
    /* 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);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-black);
    background: var(--color-white);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Ensure proper text rendering */
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
}

/* ================================================
   2. Navigation
   ================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    border-bottom: var(--border-thick) solid var(--color-black);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-weight: 900;
    cursor: pointer;
    transition: var(--transition-fast);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-text {
    font-size: 1.8rem;
    letter-spacing: 0.1em;
    color: var(--color-navy);
}

.logo-number {
    font-size: 1.8rem;
    color: var(--color-gold);
    font-weight: 900;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-black);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    padding: 0.5rem 0.8rem;
    border: var(--border-thin) solid transparent;
    transition: var(--transition-fast);
    position: relative;
    /* Ensure text doesn't get clipped */
    white-space: nowrap;
}

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

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

.nav-link-cta {
    background: var(--color-navy);
    color: var(--color-white);
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-subtle);
}

.nav-link-cta:hover {
    background: var(--color-black);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--color-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 30px;
    height: 3px;
    background: var(--color-black);
    transition: var(--transition-fast);
}

/* ================================================
   3. Hero Section with Video
   ================================================ */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: var(--border-thick) solid var(--color-black);
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
    /* Scale up slightly to hide watermark in bottom-right */
    transform: scale(1.15);
    /* Center the scaled video */
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(26, 35, 50, 0.85) 0%, 
        rgba(26, 35, 50, 0.6) 50%,
        rgba(201, 169, 97, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1200px;
    padding: 2rem;
    /* Push content down so ROYAL text is more visible */
    padding-top: 20vh;
}

/* Kinetic Typography */
.kinetic-text-container {
    overflow: hidden;
    margin-bottom: 3rem;
}

.kinetic-text {
    font-family: var(--font-serif);
    font-weight: 900;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.kinetic-line {
    font-size: clamp(4rem, 12vw, 10rem);
    letter-spacing: 0.1em;
    color: var(--color-white);
    text-shadow: 
        4px 4px 0 var(--color-black),
        8px 8px 0 var(--color-gold);
    animation: kinetic-slide-in 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateX(-100px);
}

.kinetic-line-number {
    animation-delay: 0.3s;
    color: var(--color-gold);
    text-shadow: 
        4px 4px 0 var(--color-black),
        8px 8px 0 var(--color-white);
}

@keyframes kinetic-slide-in {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-tagline {
    margin-bottom: 3rem;
    animation: fade-in-up 1s ease-out 0.8s backwards;
}

.tagline-main {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.tagline-sub {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 400;
    color: var(--color-gold-light);
    letter-spacing: 0.08em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2.5rem;
    background: var(--color-gold);
    color: var(--color-black);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition-fast);
    animation: fade-in-up 1s ease-out 1.2s backwards;
}

.cta-button:hover {
    background: var(--color-gold-dark);
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
}

.cta-button i {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

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

/* Scroll Indicator - REMOVED */
/*
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--color-white);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    font-weight: 600;
    animation: fade-in 1s ease-out 1.5s backwards;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: var(--color-white);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: var(--color-gold);
    animation: scroll-down 2s infinite;
}

@keyframes scroll-down {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(200%);
    }
}
*/

/* Floating Collection Button */
.floating-collection-btn {
    position: absolute;
    right: 3rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 1.5rem 1.2rem;
    background: var(--color-gold);
    color: var(--color-black);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition-fast);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    z-index: 100;
    animation: fade-in-right 1s ease-out 1.5s backwards;
}

.floating-collection-btn i {
    font-size: 1.8rem;
    writing-mode: horizontal-tb;
    animation: pulse 2s infinite;
}

.floating-collection-btn:hover {
    background: var(--color-gold-dark);
    transform: translateY(-50%) translateX(4px);
    box-shadow: 12px 12px 0 var(--color-navy);
}

@keyframes fade-in-right {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ================================================
   4. Section Styles
   ================================================ */
.section {
    padding: var(--spacing-2xl) var(--spacing-md);
    border-bottom: var(--border-thick) solid var(--color-black);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-number {
    display: inline-block;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gold);
    background: var(--color-black);
    padding: 0.5rem 1.5rem;
    border: var(--border-thin) solid var(--color-black);
    margin-bottom: 2rem;
    letter-spacing: 0.2em;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.3;
    color: var(--color-navy);
    margin-bottom: 2rem;
}

.section-title-border {
    width: 100px;
    height: 6px;
    background: var(--color-gold);
    margin: 0 auto;
    border: var(--border-thin) solid var(--color-black);
}

/* ================================================
   5. Charm Section (Section 1)
   ================================================ */
.charm-section {
    background: var(--color-gray);
}

.charm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: var(--spacing-lg);
}

.charm-card {
    background: var(--color-white);
    padding: 3rem 2rem;
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition-normal);
    position: relative;
}

.charm-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
}

.charm-icon {
    font-size: 3rem;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
    text-align: center;
}

.charm-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 1.5rem;
    text-align: center;
}

.charm-description {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-black);
    text-align: center;
}

.charm-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--color-gold);
}

/* ================================================
   6. Logic Section (Section 2) - Expanded
   ================================================ */
.logic-section {
    background: #FAFAFA;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.section-subtitle {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-navy);
    margin-top: 1.5rem;
    font-weight: 500;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Sub-sections */
.logic-subsection {
    margin-top: var(--spacing-xl);
    padding: 3rem;
    background: var(--color-navy);
    color: var(--color-white);
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
}

.subsection-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.subsection-title i {
    color: var(--color-gold);
    font-size: 1.5rem;
}

.subsection-period {
    font-size: 0.95rem;
    color: var(--color-gold-light);
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

/* Chart Wrapper */
.chart-wrapper {
    background: var(--color-white);
    padding: 2rem;
    border: var(--border-medium) solid var(--color-black);
    margin: 2rem 0;
}

.chart-wrapper canvas {
    width: 100% !important;
    height: auto !important;
}

/* Insight Boxes */
.insight-box {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border: var(--border-medium) solid rgba(255, 255, 255, 0.3);
    border-left: 8px solid var(--color-gold);
    margin-top: 2rem;
    box-shadow: var(--shadow-subtle);
}

.insight-box-warning {
    border-left-color: #FF9800;
}

.insight-box-critical {
    border-left-color: #F44336;
    background: rgba(244, 67, 54, 0.15);
}

.insight-box-gold {
    border-left-color: var(--color-gold);
    background: rgba(201, 169, 97, 0.2);
}

.insight-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--color-gold);
    color: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border: var(--border-thin) solid var(--color-black);
}

.insight-content h4 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

.insight-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-white);
}

.insight-content strong {
    color: var(--color-gold-light);
    font-weight: 700;
}

/* Risk Comparison */
.risk-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.risk-card {
    padding: 2rem;
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
}

.risk-card-danger {
    background: rgba(244, 67, 54, 0.15);
    border-left: 8px solid #F44336;
}

.risk-card-safe {
    background: rgba(76, 175, 80, 0.15);
    border-left: 8px solid #4CAF50;
}

.risk-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.risk-header i {
    font-size: 2rem;
}

.risk-card-danger .risk-header i {
    color: #F44336;
}

.risk-card-safe .risk-header i {
    color: #4CAF50;
}

.risk-header h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
}

.risk-list {
    list-style: none;
    padding: 0;
}

.risk-list li {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: var(--border-thin) solid rgba(255, 255, 255, 0.3);
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-white);
}

.risk-list strong {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-gold);
}

.risk-value-bad {
    color: #F44336;
    font-size: 1.3rem;
    font-weight: 900;
    font-family: var(--font-serif);
}

.risk-value-good {
    color: #FF9800;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-serif);
}

.risk-value-excellent {
    color: #4CAF50;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-serif);
}

.risk-note {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(201, 169, 97, 0.2);
    border-left: 4px solid var(--color-gold);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gold-light);
}

/* Conclusion */
.logic-conclusion {
    margin-top: var(--spacing-xl);
}

.conclusion-box {
    padding: 3rem;
    background: var(--color-navy);
    color: var(--color-white);
    border: var(--border-thick) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
}

.conclusion-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.conclusion-title i {
    font-size: 1.8rem;
}

.conclusion-text {
    font-size: 1.2rem;
    line-height: 2;
    margin-bottom: 2rem;
}

.conclusion-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.conclusion-stat {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: var(--border-thin) solid rgba(255, 255, 255, 0.3);
    text-align: center;
}

.conclusion-stat-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gold-light);
    margin-bottom: 0.5rem;
}

.conclusion-stat-value {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
}

.conclusion-stat-value .positive {
    color: #4CAF50;
}

.conclusion-stat-value .negative {
    color: #F44336;
}

.conclusion-highlight {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    padding: 2rem;
    background: rgba(201, 169, 97, 0.2);
    border: var(--border-medium) solid var(--color-gold);
    margin-top: 2rem;
    line-height: 1.8;
}

.conclusion-highlight strong {
    color: var(--color-gold);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 0 var(--color-black);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-navy);
    letter-spacing: 0.05em;
}

/* ================================================
   7. Collection Section (Section 3)
   ================================================ */
.collection-section {
    background: var(--color-navy);
    color: var(--color-white);
}

.collection-section .section-title {
    color: var(--color-white);
}

/* Royal 500 in gold */
.collection-section .section-title {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.collection-section .section-title-border {
    background: var(--color-gold);
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: var(--spacing-lg);
}

.coin-card {
    background: var(--color-white);
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition-normal);
    overflow: hidden;
}

.coin-card:hover {
    transform: translate(-6px, -6px);
    box-shadow: 12px 12px 0 var(--color-gold);
}

.coin-image-wrapper {
    position: relative;
    background: var(--color-gray);
    padding: 2rem;
    border-bottom: var(--border-medium) solid var(--color-black);
    overflow: hidden;
}

.coin-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-slow);
}

.coin-card:hover .coin-image {
    transform: scale(1.05);
}

.coin-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-navy);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border: var(--border-thin) solid var(--color-black);
    box-shadow: 4px 4px 0 var(--color-black);
}

.coin-badge-premium {
    background: var(--color-gold);
    color: var(--color-black);
}

.coin-info {
    padding: 2rem;
    color: var(--color-black);
}

.coin-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.coin-title-grade {
    color: var(--color-gold);
    font-weight: 900;
    letter-spacing: 0.05em;
}

.coin-title-grade-premium {
    color: var(--color-accent);
}

.coin-subtitle {
    font-size: 1rem;
    color: var(--color-gold-dark);
    margin-bottom: 1rem;
    font-weight: 600;
}

.coin-grade {
    display: inline-block;
    background: var(--color-black);
    color: var(--color-gold);
    padding: 0.3rem 1rem;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    border: var(--border-thin) solid var(--color-black);
}

.coin-copy {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-navy);
    margin-bottom: 1rem;
    font-weight: 600;
}

.coin-note {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--color-black);
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--color-gray);
    border-left: 4px solid var(--color-gold);
}

.coin-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2rem;
    background: var(--color-gold);
    color: var(--color-black);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.05em;
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-fast);
    width: 100%;
    justify-content: center;
}

.coin-button:hover {
    background: var(--color-black);
    color: var(--color-gold);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--color-navy);
}

/* PCGS Certification Link */
.coin-cert-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 1.5rem;
    background: var(--color-white);
    color: var(--color-navy);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    border: var(--border-thin) solid var(--color-navy);
    box-shadow: 3px 3px 0 var(--color-gray-dark);
    transition: var(--transition-fast);
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
}

.coin-cert-link:hover {
    background: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-black);
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--color-gold);
}

.coin-cert-link i:first-child {
    color: var(--color-gold-dark);
}

.coin-cert-link:hover i:first-child {
    color: var(--color-gold);
}

.coin-cert-link i:last-child {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* ================================================
   8. Philosophy Section (Section 4)
   ================================================ */
.philosophy-section {
    background: var(--color-gray);
}

.philosophy-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: var(--spacing-lg);
}

.philosophy-card {
    background: var(--color-white);
    padding: 3rem 2rem;
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition-normal);
    text-align: center;
}

.philosophy-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
}

.philosophy-icon {
    font-size: 3rem;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
}

.philosophy-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.philosophy-subtitle {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gold-dark);
    margin-top: 0.5rem;
    font-family: var(--font-sans);
}

.philosophy-text {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-black);
}

.philosophy-text strong {
    color: var(--color-gold-dark);
    font-weight: 700;
}

.philosophy-list {
    text-align: left;
}

.philosophy-item {
    margin-bottom: 1.5rem;
}

.philosophy-item:last-child {
    margin-bottom: 0;
}

.philosophy-item strong {
    display: block;
    font-size: 1.1rem;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

/* ================================================
   9. Contact Section (Section 5)
   ================================================ */
.contact-section {
    background: var(--color-white);
}

.contact-content {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    text-align: center;
}

.contact-text {
    margin-bottom: 3rem;
}

.contact-text p {
    font-size: 1.2rem;
    line-height: 2;
    margin-bottom: 1.5rem;
}

.contact-buttons {
    display: grid;
    gap: 2rem;
}

.contact-button {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem 3rem;
    background: var(--color-white);
    border: var(--border-medium) solid var(--color-black);
    box-shadow: var(--shadow-brutal);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-button:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
}

.contact-button i {
    font-size: 2.5rem;
}

.contact-button-twitter {
    background: var(--color-black);
}

.contact-button-twitter i {
    color: var(--color-white);
}

.contact-button-twitter:hover {
    background: var(--color-navy);
}

.contact-button-note {
    background: var(--color-gold-light);
}

.contact-button-note i {
    color: var(--color-navy);
}

.contact-button-note:hover {
    background: var(--color-gold);
}

.contact-button-text {
    text-align: left;
    flex: 1;
}

.contact-button-title {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.contact-button-note .contact-button-title {
    color: var(--color-navy);
}

.contact-button-subtitle {
    display: block;
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    font-weight: 500;
}

.contact-button-note .contact-button-subtitle {
    color: var(--color-navy);
    opacity: 0.7;
}

/* ================================================
   10. Footer
   ================================================ */
.footer {
    background: var(--color-navy);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-weight: 900;
}

.footer-logo .logo-text {
    font-size: 2rem;
    color: var(--color-white);
}

.footer-logo .logo-number {
    font-size: 2rem;
    color: var(--color-gold);
}

.footer-tagline {
    font-size: 1rem;
    color: var(--color-gray-dark);
    letter-spacing: 0.05em;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-column h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    display: inline-block;
}

.footer-column a:hover {
    color: var(--color-gold);
    transform: translateX(5px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
}

/* ================================================
   11. Animations & Utilities
   ================================================ */
[data-animate] {
    opacity: 0;
    transition: var(--transition-slow);
}

[data-animate].animated {
    opacity: 1;
}

[data-animate="fade-up"] {
    transform: translateY(50px);
}

[data-animate="fade-up"].animated {
    transform: translateY(0);
}

[data-animate="fade-left"] {
    transform: translateX(50px);
}

[data-animate="fade-left"].animated {
    transform: translateX(0);
}

/* Delay utilities */
[data-delay="100"] {
    transition-delay: 0.1s;
}

[data-delay="200"] {
    transition-delay: 0.2s;
}

[data-delay="300"] {
    transition-delay: 0.3s;
}

[data-delay="400"] {
    transition-delay: 0.4s;
}

/* ================================================
   12. Responsive Design
   ================================================ */
@media (max-width: 1024px) {
    .logic-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .logic-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 1rem;
        border-left: var(--border-thick) solid var(--color-black);
        transition: var(--transition-normal);
        box-shadow: -8px 0 30px rgba(0, 0, 0, 0.2);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        text-align: left;
        padding: 1rem;
        border: var(--border-thin) solid var(--color-black);
        font-size: 0.95rem;
        line-height: 1.5;
        white-space: normal;
        word-wrap: break-word;
        display: block;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .section {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    .hero-content {
        padding-top: 15vh;
    }
    
    /* Mobile: Hide floating button to avoid overlap */
    .floating-collection-btn {
        display: none;
    }
    
    /* Make the main CTA button more prominent on mobile */
    .cta-button-hero {
        width: 90%;
        max-width: 320px;
        justify-content: center;
    }
    
    .kinetic-line {
        font-size: clamp(3rem, 15vw, 6rem);
    }
    
    .charm-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Section 2 Responsive */
    .logic-subsection {
        padding: 2rem 1.5rem;
    }
    
    .subsection-title {
        font-size: 1.4rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .chart-wrapper {
        padding: 1rem;
    }
    
    .insight-box {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .insight-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .insight-content h4 {
        font-size: 1.1rem;
    }
    
    .risk-comparison {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .risk-card {
        padding: 1.5rem;
    }
    
    .conclusion-box {
        padding: 2rem 1.5rem;
    }
    
    .conclusion-title {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .conclusion-text {
        font-size: 1rem;
    }
    
    .conclusion-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .conclusion-highlight {
        font-size: 1.2rem;
        padding: 1.5rem;
    }
    
    .logic-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .collection-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .philosophy-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-button {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 2rem 1.5rem;
    }
    
    .contact-button-text {
        text-align: center;
    }
    
    .contact-button i {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .logo-text,
    .logo-number {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .coin-card {
        border-width: 3px;
    }
    
    .coin-info {
        padding: 1.5rem;
    }
}

/* ================================================
   13. Print Styles
   ================================================ */
@media print {
    .navbar,
    .scroll-indicator,
    .cta-button,
    .coin-button,
    .contact-button,
    .footer {
        display: none;
    }
    
    .hero-video-container {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
        border: none;
    }
}