/* ==========================================================================
   VAULTEDMETRICS VM888 — SHARED DESIGN SYSTEM v4
   Single source of truth for all 9 pages.
   Updated: 2026-02-16
   Changes: Midnight Chrome logo (img tag), explore cards, countdown timer,
            audit badge, pre-launch wallet button, cache bust v4
   ========================================================================== */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root{
    --primary-bg:#0A0B0D;
    --secondary-bg:#121418;
    --tertiary-bg:#1A1C22;
    --math-amber:#FFB347;
    --math-amber-light:#FFD700;
    --math-teal:#20B2AA;
    --math-emerald:#50C878;
    --math-velvet:#9370DB;
    --math-coral:#FF7F50;
    --text-primary:#F0F4F8;
    --text-secondary:#94A3B8;
    --text-tertiary:#64748B;
    --gradient-legendary:linear-gradient(135deg,var(--math-amber) 0%,var(--math-teal) 100%);
    --gradient-success:linear-gradient(135deg,var(--math-emerald) 0%,var(--math-teal) 100%);
    --gradient-wealth:linear-gradient(135deg,var(--math-amber) 0%,var(--math-amber-light) 100%);
    --gradient-velvet:linear-gradient(135deg,var(--math-velvet) 0%,var(--math-coral) 100%);
    --gradient-bg:radial-gradient(circle at 50% 0%,rgba(255,179,71,0.05) 0%,transparent 50%);
    --shadow-amber:0 0 40px rgba(255,179,71,0.25);
    --shadow-teal:0 0 40px rgba(32,178,170,0.2);
    --shadow-emerald:0 0 40px rgba(80,200,120,0.2);
    --shadow-wealth:0 0 40px rgba(255,215,0,0.15);
    --shadow-card:0 8px 32px rgba(0,0,0,0.3);
    --shadow-nav:0 4px 24px rgba(0,0,0,0.4);
    --transition-fast:all 0.2s cubic-bezier(0.4,0,0.2,1);
    --transition-medium:all 0.3s cubic-bezier(0.4,0,0.2,1);
    --transition-slow:all 0.5s cubic-bezier(0.4,0,0.2,1);
    --border-light:1px solid rgba(255,255,255,0.1);
    --border-amber:1px solid rgba(255,179,71,0.3);
    --border-glow:1px solid rgba(255,179,71,0.4);
    --border-teal:1px solid rgba(32,178,170,0.3);
    --space-xs:0.5rem;
    --space-sm:1rem;
    --space-md:1.5rem;
    --space-lg:2.5rem;
    --space-xl:4rem;
    --space-xxl:6rem;
    --font-primary:'Inter',system-ui,-apple-system,sans-serif;
    --font-mono:'JetBrains Mono','Courier New',monospace;
    --container-max:1400px;
    --container-wide:1600px;
    --container-narrow:1200px;
}

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

html{
    scroll-behavior:smooth;
    -webkit-text-size-adjust:100%;
    -moz-text-size-adjust:100%;
    text-size-adjust:100%;
    overflow-x:hidden;
    width:100%;max-width:100%;
}

body{
    font-family:var(--font-primary);
    background:var(--primary-bg);
    color:var(--text-primary);
    line-height:1.6;
    overflow-x:hidden;
    min-height:100vh;
    position:relative;
    width:100%;max-width:100%;
}

body::before{
    content:'';
    position:fixed;
    top:0;left:0;width:100%;height:100%;
    background:
        radial-gradient(circle at 20% 30%,rgba(255,179,71,0.03) 0%,transparent 50%),
        radial-gradient(circle at 80% 70%,rgba(32,178,170,0.02) 0%,transparent 50%);
    pointer-events:none;
    z-index:-1;
}

/* ===== CONTAINERS ===== */
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--space-md)}
.container-wide{max-width:var(--container-wide)}
.container-narrow{max-width:var(--container-narrow)}

/* ===== TOP NAVIGATION ===== */
.main-nav{
    position:fixed;top:0;left:0;right:0;
    background:rgba(10,11,13,0.98);
    backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(255,179,71,0.3);
    z-index:1000;
    padding:0.75rem 0;height:70px;
    display:flex;align-items:center;
}

.nav-container{
    display:flex;justify-content:space-between;align-items:center;
    width:100%;height:100%;gap:var(--space-md);
}

.nav-brand{
    display:flex;align-items:center;gap:var(--space-sm);
    text-decoration:none;flex-shrink:0;min-width:220px;
}

/* ===== BRAND ICON — MIDNIGHT CHROME LOGO (img tag) ===== */
.brand-icon{
    width:44px;height:44px;flex-shrink:0;
    border-radius:8px;
    object-fit:contain;
    display:block;
}

.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-title{
    font-weight:800;font-size:1.4rem;
    background:var(--gradient-legendary);
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
    white-space:nowrap;letter-spacing:-0.5px;
}
.brand-subtitle{
    font-size:0.8rem;color:var(--text-secondary);
    font-family:var(--font-mono);letter-spacing:2px;
    white-space:nowrap;margin-top:2px;
}

/* Desktop Nav Menu */
.nav-menu{
    display:flex;gap:0.5rem;align-items:center;list-style:none;
    margin:0 auto;padding:0 var(--space-md);flex-wrap:wrap;justify-content:center;
}
.nav-item{position:relative}
.nav-link{
    color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:0.85rem;
    padding:0.5rem 0.75rem;border-radius:8px;transition:var(--transition-fast);
    display:flex;align-items:center;gap:0.5rem;white-space:nowrap;
}
.nav-link:hover{color:var(--text-primary);background:rgba(255,255,255,0.05)}
.nav-link.active{color:var(--math-amber);background:rgba(255,179,71,0.1);font-weight:600}
.nav-link i{font-size:0.8rem}

/* ===== WALLET CONNECT BUTTON ===== */
.wallet-connect{
    background:var(--gradient-legendary);color:var(--primary-bg);border:none;
    padding:0.7rem 1.5rem;border-radius:10px;font-weight:700;font-size:0.9rem;
    cursor:pointer;transition:var(--transition-medium);
    display:flex;align-items:center;gap:0.5rem;white-space:nowrap;
    min-width:160px;justify-content:center;flex-shrink:0;
    border:1px solid rgba(255,179,71,0.3);box-shadow:var(--shadow-amber);
    font-family:var(--font-primary);
}
.wallet-connect:hover{
    transform:translateY(-2px);
    box-shadow:0 0 30px rgba(255,179,71,0.4);
    background:var(--gradient-success);
}

/* ===== HAMBURGER TOGGLE ===== */
.nav-hamburger{
    display:none;flex-direction:column;justify-content:space-between;
    background:rgba(255,179,71,0.1);border:1px solid rgba(255,179,71,0.2);
    cursor:pointer;padding:0.5rem;width:44px;height:44px;
    z-index:1001;margin-left:var(--space-sm);border-radius:8px;
}
.nav-hamburger span{
    width:100%;height:3px;background:var(--math-amber);
    transition:var(--transition-medium);border-radius:2px;
    display:block;opacity:1;transform-origin:center;
}
.nav-hamburger.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}
.nav-hamburger.active span:nth-child(2){opacity:0}
.nav-hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}

/* ===== MOBILE SLIDE-DOWN MENU ===== */
.mobile-overlay{
    display:none;position:fixed;top:0;left:0;right:0;bottom:0;
    background:rgba(0,0,0,0.95);backdrop-filter:blur(10px);z-index:998;
}
.mobile-menu{
    position:fixed;top:70px;left:0;right:0;
    background:var(--primary-bg);border-top:1px solid rgba(255,179,71,0.2);
    padding:var(--space-lg);z-index:999;
    max-height:calc(100vh - 70px);overflow-y:auto;display:none;
}
.mobile-nav{display:flex;flex-direction:column;gap:0.5rem;list-style:none}
.mobile-link{
    color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:1.1rem;
    padding:1rem 1.2rem;border-radius:10px;transition:var(--transition-fast);
    display:flex;align-items:center;gap:var(--space-md);
    border:1px solid rgba(255,255,255,0.05);
}
.mobile-link:hover,.mobile-link.active{
    color:var(--math-amber);background:rgba(255,179,71,0.1);border-color:rgba(255,179,71,0.2);
}
.mobile-link i{width:24px;text-align:center;font-size:1.2rem}
.mobile-wallet{
    background:var(--gradient-legendary);color:var(--primary-bg);border:none;
    padding:1.2rem;border-radius:12px;font-weight:600;font-size:1.1rem;
    cursor:pointer;transition:var(--transition-medium);
    display:flex;align-items:center;justify-content:center;gap:var(--space-md);
    margin-top:var(--space-lg);width:100%;font-family:var(--font-primary);
}
.mobile-wallet:hover{transform:translateY(-2px);box-shadow:var(--shadow-amber)}

/* ===== MOBILE BOTTOM NAV BAR ===== */
.bottom-nav{
    display:none;
    position:fixed;bottom:0;left:0;right:0;
    background:rgba(10,11,13,0.98);backdrop-filter:blur(20px);
    border-top:1px solid rgba(255,179,71,0.2);
    z-index:1000;
    padding:0.35rem 0 calc(0.35rem + env(safe-area-inset-bottom));
}
.bottom-nav-items{
    display:flex;justify-content:space-around;align-items:center;
    list-style:none;max-width:500px;margin:0 auto;padding:0;
}
.bottom-nav-item{
    display:flex;flex-direction:column;align-items:center;gap:0.15rem;
    text-decoration:none;color:var(--text-tertiary);
    font-size:0.6rem;font-weight:500;
    padding:0.3rem 0.5rem;border-radius:8px;
    transition:var(--transition-fast);min-width:50px;
    cursor:pointer;background:none;border:none;
    font-family:var(--font-primary);
    -webkit-tap-highlight-color:transparent;
}
.bottom-nav-item i{font-size:1.15rem}
.bottom-nav-item span{display:block}
.bottom-nav-item.active{color:var(--math-amber)}
.bottom-nav-item:hover{color:var(--text-primary)}

/* ===== MISSION BANNER ===== */
.legendary-mission{
    background:linear-gradient(90deg,rgba(255,179,71,0.1) 0%,rgba(32,178,170,0.1) 50%,rgba(255,179,71,0.1) 100%);
    border-top:1px solid rgba(255,179,71,0.2);border-bottom:1px solid rgba(255,179,71,0.2);
    padding:var(--space-md) 0;margin-top:70px;position:relative;overflow:hidden;
}
.legendary-mission::before{
    content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;
    background:linear-gradient(90deg,transparent,rgba(255,179,71,0.1),transparent);
    animation:slideShine 8s infinite linear;
}
.mission-content{text-align:center;position:relative;z-index:1}
.mission-text{
    font-family:var(--font-mono);font-size:1rem;color:var(--text-primary);
    margin:0 auto;line-height:1.4;max-width:900px;padding:0 var(--space-md);font-weight:500;
}
.mission-highlight{
    color:var(--math-amber);font-weight:700;text-shadow:0 0 10px rgba(255,179,71,0.5);
}

/* ===== SOCIAL SECTION ===== */
.social-section{padding:var(--space-xl) 0;background:rgba(0,0,0,0.2);width:100%}
.social-header{text-align:center;margin-bottom:var(--space-xl);width:100%}
.social-title{
    font-size:clamp(1.8rem,5vw,3rem);font-weight:800;margin-bottom:var(--space-md);
    background:var(--gradient-legendary);-webkit-background-clip:text;
    -webkit-text-fill-color:transparent;background-clip:text;
    word-wrap:break-word;padding:0 var(--space-sm);
}
.social-subtitle{
    font-size:clamp(1rem,3vw,1.2rem);color:var(--text-secondary);
    max-width:100%;margin:0 auto;word-wrap:break-word;padding:0 var(--space-sm);
}
.social-grid{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:var(--space-md);margin-bottom:var(--space-xl);width:100%;
}
.social-card{
    background:var(--secondary-bg);border-radius:16px;padding:var(--space-md);
    border:var(--border-light);transition:var(--transition-medium);text-decoration:none;
    display:flex;align-items:center;gap:var(--space-md);
    min-height:80px;width:100%;box-sizing:border-box;
}
.social-card:hover{border-color:var(--math-amber);transform:translateY(-4px);background:var(--tertiary-bg)}
.social-icon{
    width:48px;height:48px;border-radius:12px;
    display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;
}
.social-info{flex:1;min-width:0}
.social-name{
    font-weight:600;color:var(--text-primary);margin-bottom:0.25rem;font-size:0.95rem;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.social-status{font-size:0.8rem;color:var(--math-emerald);font-family:var(--font-mono)}
.social-verify{text-align:center;margin-top:var(--space-xl);width:100%}
.social-verify button{
    background:rgba(255,255,255,0.05);border:var(--border-light);color:var(--text-secondary);
    padding:0.75rem 1.5rem;border-radius:10px;font-size:0.9rem;cursor:pointer;
    transition:var(--transition-fast);display:inline-flex;align-items:center;gap:0.5rem;
    max-width:90%;word-wrap:break-word;font-family:var(--font-primary);
}
.social-verify button:hover{background:rgba(255,179,71,0.1);color:var(--math-amber)}

/* ===== EMAIL FOOTER ===== */
.email-footer{padding:var(--space-xl) 0;background:var(--secondary-bg);border-top:var(--border-light);width:100%}
.footer-container{display:grid;grid-template-columns:1fr;gap:var(--space-xl);align-items:start;width:100%}
.footer-brand h2{
    font-size:1.8rem;font-weight:700;margin-bottom:var(--space-md);
    background:var(--gradient-legendary);-webkit-background-clip:text;
    -webkit-text-fill-color:transparent;background-clip:text;word-wrap:break-word;
}
.footer-brand p{color:var(--text-secondary);line-height:1.6;font-size:1rem;word-wrap:break-word}
.email-grid{display:grid;grid-template-columns:1fr;gap:var(--space-lg);width:100%}
.email-group h3{color:var(--text-primary);margin-bottom:var(--space-md);font-size:1.1rem;font-weight:600;word-wrap:break-word}
.email-links{display:flex;flex-direction:column;gap:var(--space-sm);width:100%}
.email-link{
    color:var(--text-secondary);text-decoration:none;font-size:0.9rem;
    transition:var(--transition-fast);word-break:break-all;word-wrap:break-word;width:100%;
}
.email-link:hover{color:var(--math-amber)}
.footer-bottom{
    border-top:var(--border-light);padding-top:var(--space-lg);margin-top:var(--space-xl);
    text-align:center;color:var(--text-tertiary);font-size:0.9rem;width:100%;word-wrap:break-word;
}

/* ===== WALLET MODAL ===== */
.modal-overlay{
    display:none;position:fixed;top:0;left:0;width:100%;height:100%;
    background:rgba(0,0,0,0.95);backdrop-filter:blur(20px);z-index:2000;
    align-items:center;justify-content:center;padding:var(--space-md);
}
.modal-container{
    background:var(--secondary-bg);border-radius:24px;border:var(--border-glow);
    max-width:90vw;width:100%;max-height:90vh;overflow-y:auto;
}
.modal-header{
    padding:var(--space-lg);border-bottom:var(--border-light);
    display:flex;justify-content:space-between;align-items:center;
}
.modal-title{font-size:clamp(1.5rem,4vw,2rem);font-weight:700;color:var(--text-primary);word-wrap:break-word}
.modal-close{
    background:none;border:none;color:var(--text-secondary);font-size:2rem;
    cursor:pointer;padding:0.5rem;line-height:1;transition:var(--transition-fast);
}
.modal-close:hover{color:var(--text-primary)}
.modal-content{padding:var(--space-lg)}
.modal-section{margin-bottom:var(--space-xl)}
.modal-section h3{
    font-size:clamp(1.2rem,3vw,1.5rem);font-weight:600;color:var(--text-primary);
    margin-bottom:var(--space-md);display:flex;align-items:center;gap:var(--space-md);word-wrap:break-word;
}
.modal-section h3 i{color:var(--math-amber)}
.modal-grid{display:grid;grid-template-columns:1fr;gap:var(--space-lg);margin:var(--space-lg) 0;width:100%}
.modal-card{
    background:var(--tertiary-bg);border-radius:16px;padding:var(--space-lg);
    border:var(--border-light);width:100%;box-sizing:border-box;
}
.modal-card.rabby{border-color:var(--math-emerald)}
.modal-card h4{font-size:1.2rem;font-weight:600;margin-bottom:var(--space-md);color:var(--text-primary);word-wrap:break-word}
.modal-list{list-style:none}
.modal-list li{
    display:flex;align-items:flex-start;gap:var(--space-sm);
    margin-bottom:var(--space-md);color:var(--text-secondary);font-size:0.95rem;word-wrap:break-word;
}
.modal-list li i{margin-top:0.2rem;flex-shrink:0}
.rabby-list li i{color:var(--math-emerald)}
.other-list li i{color:var(--text-tertiary)}
.modal-actions{display:flex;flex-direction:column;gap:var(--space-md);margin-top:var(--space-xl);width:100%}
.modal-btn{
    flex:1;padding:1rem;border-radius:12px;font-weight:600;cursor:pointer;
    transition:var(--transition-medium);display:flex;align-items:center;justify-content:center;
    gap:var(--space-md);font-size:1rem;width:100%;box-sizing:border-box;font-family:var(--font-primary);
}
.modal-btn.primary{background:var(--gradient-success);color:var(--primary-bg);border:none}
.modal-btn.secondary{background:var(--tertiary-bg);color:var(--text-primary);border:var(--border-light)}
.modal-btn:hover{transform:translateY(-2px)}
.modal-btn.primary:hover{box-shadow:var(--shadow-emerald)}
.modal-btn.secondary:hover{background:rgba(255,255,255,0.1);border-color:var(--math-amber)}

/* ===== SHARED SECTION HEADERS ===== */
.section-header{text-align:center;margin-bottom:3rem;width:100%;padding:0 var(--space-sm)}
.section-header h2{
    font-size:clamp(1.8rem,5vw,2.8rem);font-weight:700;margin-bottom:1rem;
    background:var(--gradient-legendary);-webkit-background-clip:text;
    -webkit-text-fill-color:transparent;background-clip:text;word-wrap:break-word;
}
.section-header p{
    font-size:clamp(1rem,3vw,1.2rem);color:var(--text-secondary);
    max-width:100%;margin:0 auto;word-wrap:break-word;
}

/* ===== COUNTDOWN TIMER ===== */
.countdown-container{
    display:flex;gap:var(--space-md);justify-content:center;align-items:center;flex-wrap:wrap;
}
.countdown-unit{
    background:var(--tertiary-bg);border:var(--border-amber);border-radius:16px;
    padding:var(--space-md) var(--space-lg);text-align:center;min-width:80px;
    transition:var(--transition-medium);
}
.countdown-unit:hover{border-color:var(--math-amber);box-shadow:var(--shadow-amber)}
.countdown-value{
    font-size:2.5rem;font-weight:800;font-family:var(--font-mono);
    color:var(--math-amber);line-height:1;margin-bottom:0.3rem;
}
.countdown-label{
    font-size:0.7rem;color:var(--text-secondary);text-transform:uppercase;
    letter-spacing:1px;font-weight:600;
}
.countdown-live{
    display:none;text-align:center;padding:var(--space-lg);
    background:rgba(80,200,120,0.1);border:1px solid rgba(80,200,120,0.3);border-radius:16px;
}
.countdown-live h2{
    font-size:2rem;font-weight:800;color:var(--math-emerald);
    background:var(--gradient-success);-webkit-background-clip:text;
    -webkit-text-fill-color:transparent;background-clip:text;
}

/* ===== AUDIT BADGE ===== */
.audit-badge{
    display:inline-flex;align-items:center;gap:0.5rem;
    background:rgba(80,200,120,0.1);border:1px solid rgba(80,200,120,0.25);
    padding:0.5rem 1rem;border-radius:10px;text-decoration:none;
    transition:var(--transition-fast);font-size:0.85rem;color:var(--math-emerald);font-weight:600;
}
.audit-badge:hover{background:rgba(80,200,120,0.2);transform:translateY(-1px)}
.audit-badge .badge-dot{
    width:8px;height:8px;background:var(--math-emerald);border-radius:50%;
    animation:pulse-soft 2s infinite;
}

/* ===== EXPLORE / INTERNAL LINKING CARDS ===== */
.explore-section{padding:var(--space-xl) 0;background:rgba(0,0,0,0.15)}
.explore-grid{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:var(--space-lg);margin-top:var(--space-lg);max-width:900px;
    margin-left:auto;margin-right:auto;
}
.explore-card{
    background:var(--tertiary-bg);border-radius:16px;padding:var(--space-lg);
    border:var(--border-light);transition:var(--transition-medium);
    text-decoration:none;display:flex;align-items:center;gap:var(--space-md);
}
.explore-card:hover{border-color:var(--math-amber);transform:translateY(-4px);box-shadow:var(--shadow-amber)}
.explore-card-icon{
    width:48px;height:48px;background:rgba(255,179,71,0.1);border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    font-size:1.3rem;color:var(--math-amber);flex-shrink:0;
}
.explore-card-text h3{font-size:1.1rem;color:var(--text-primary);font-weight:600;margin-bottom:0.2rem}
.explore-card-text p{font-size:0.85rem;color:var(--text-secondary);margin:0}
.explore-card-arrow{margin-left:auto;color:var(--math-amber);font-size:1.2rem;flex-shrink:0}

/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes slideShine{0%{left:-100%}100%{left:100%}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideDown{from{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}
@keyframes slideUp{from{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}
@keyframes pulse-soft{0%,100%{opacity:1}50%{opacity:0.7}}

.fade-in{animation:fadeIn 0.6s cubic-bezier(0.4,0,0.2,1) forwards;opacity:0}
.fade-in.delay-1{animation-delay:0.1s}
.fade-in.delay-2{animation-delay:0.2s}
.fade-in.delay-3{animation-delay:0.3s}
.fade-in.delay-4{animation-delay:0.4s}
.fade-in.delay-5{animation-delay:0.5s}
.pulse{animation:pulse-soft 2s infinite}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* 1440px+ : Large desktops */
@media(min-width:1440px){
    .container-wide{max-width:1600px}
    .email-grid{grid-template-columns:repeat(3,1fr)}
    .footer-container{grid-template-columns:1fr 2fr}
    .modal-grid{grid-template-columns:1fr 1fr}
}

/* 1024-1439px : Standard laptops */
@media(min-width:1024px) and (max-width:1439px){
    .nav-container{justify-content:space-between;gap:var(--space-sm)}
    .nav-brand{min-width:200px}
    .brand-icon{width:40px;height:40px}
    .brand-title{font-size:1.2rem}
    .brand-subtitle{font-size:0.75rem}
    .nav-menu{gap:0.3rem;padding:0 var(--space-sm);justify-content:center;max-width:650px}
    .nav-link{padding:0.45rem 0.65rem;font-size:0.8rem}
    .nav-link i{font-size:0.75rem}
    .wallet-connect{padding:0.6rem 1.2rem;font-size:0.85rem;min-width:150px}
    .email-grid{grid-template-columns:repeat(3,1fr)}
    .footer-container{grid-template-columns:1fr 2fr}
}

/* 768-1023px : Tablets */
@media(min-width:768px) and (max-width:1023px){
    .mission-text{font-size:0.9rem;padding:0 var(--space-lg)}
    .nav-menu{display:none}
    .nav-hamburger{display:flex}
    .email-grid{grid-template-columns:repeat(2,1fr)}
    .modal-grid{grid-template-columns:1fr}
    .modal-actions{flex-direction:column}
    .bottom-nav{display:flex}
    body{padding-bottom:70px}
    .email-footer{padding-bottom:calc(var(--space-xl) + 70px)}
    .countdown-value{font-size:2rem}
    .countdown-unit{min-width:70px;padding:var(--space-sm) var(--space-md)}
    .explore-grid{grid-template-columns:1fr}
}

/* Up to 767px : Mobile */
@media(max-width:767px){
    .container{padding:0 var(--space-sm)}
    .main-nav{padding:0.5rem 0;height:60px}
    .nav-brand{min-width:auto}
    .brand-text{display:none}
    .brand-icon{width:36px;height:36px}
    .nav-menu{display:none}
    .nav-hamburger{display:flex}
    .wallet-connect{
        min-width:120px;padding:0.6rem 0.8rem;
        margin-left:0;margin-right:0.5rem;
        order:-1;font-size:0.8rem;
    }
    .wallet-connect i{font-size:0.8rem}
    .nav-actions{display:flex;align-items:center;gap:0.5rem}
    .legendary-mission{margin-top:60px;padding:0.75rem 0}
    .mission-text{font-size:0.8rem;padding:0 var(--space-sm);text-align:center}
    .social-grid{grid-template-columns:1fr}
    .footer-container{grid-template-columns:1fr}
    .email-grid{grid-template-columns:1fr}
    .modal-container{max-height:95vh;border-radius:12px;margin:0;width:95vw}
    .modal-header{padding:var(--space-lg)}
    .modal-content{padding:var(--space-lg)}
    .mobile-menu{top:60px;max-height:calc(100vh - 60px)}
    .bottom-nav{display:flex}
    body{padding-bottom:65px}
    .email-footer{padding-bottom:calc(var(--space-xl) + 65px)}
    .countdown-container{gap:var(--space-sm)}
    .countdown-value{font-size:1.8rem}
    .countdown-unit{min-width:60px;padding:var(--space-sm)}
    .countdown-label{font-size:0.6rem}
    .explore-grid{grid-template-columns:1fr}
}

/* Up to 480px : Small mobile */
@media(max-width:480px){
    .mission-text{font-size:0.75rem}
    .wallet-connect{
        padding:0.5rem 0.7rem;min-width:110px;height:44px;
        display:flex;align-items:center;justify-content:center;font-size:0.75rem;
    }
    .wallet-connect i{font-size:0.75rem}
    .nav-hamburger{margin-left:0.25rem}
    .brand-icon{width:34px;height:34px}
    .modal-container{width:100vw;border-radius:0;max-height:100vh}
    .modal-actions{flex-direction:column}
    .modal-btn{width:100%}
    .countdown-value{font-size:1.5rem}
    .countdown-unit{min-width:55px;padding:0.5rem}
}

/* Up to 360px : Extra-small mobile */
@media(max-width:360px){
    .wallet-connect{min-width:100px;padding:0.4rem 0.6rem;font-size:0.7rem}
    .brand-icon{width:30px;height:30px}
    .countdown-value{font-size:1.3rem}
    .countdown-unit{min-width:50px}
}

/* ===== UTILITY CLASSES ===== */
.text-center{text-align:center}
.text-secondary{color:var(--text-secondary)}
.text-tertiary{color:var(--text-tertiary)}
.text-emerald{color:var(--math-emerald)}
.mb-sm{margin-bottom:var(--space-sm)}
.mb-md{margin-bottom:var(--space-md)}
.mb-lg{margin-bottom:var(--space-lg)}
.mb-xl{margin-bottom:var(--space-xl)}
.mt-sm{margin-top:var(--space-sm)}
.mt-md{margin-top:var(--space-md)}
.mt-lg{margin-top:var(--space-lg)}
.mt-xl{margin-top:var(--space-xl)}
.hidden{display:none !important}

/* Global overflow prevention */
img,video,canvas{max-width:100%;height:auto}
table{width:100%;max-width:100%;overflow-x:auto;display:block}
.text-container{word-wrap:break-word;overflow-wrap:break-word}