/* ===== CSS Variables ===== */
:root {
    --primary: #F0B90B;
    --primary-dark: #D9A307;
    --secondary: #1E2329;
    --secondary-light: #2B3139;
    --accent: #FF6B6B;
    --success: #00D4AA;
    --text-primary: #FFFFFF;
    --text-secondary: #B7BDC6;
    --bg-dark: #0B0E11;
    --bg-darker: #000000;
    --gradient-primary: linear-gradient(135deg, #F0B90B 0%, #FF6B6B 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow: 0 4px 20px rgba(240, 185, 11, 0.1);
    --shadow-lg: 0 10px 40px rgba(240, 185, 11, 0.2);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(11, 14, 17, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(240, 185, 11, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 800;
}

.logo-icon {
    font-size: 1.8rem;
}

.ticker {
    background: var(--gradient-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--bg-dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.connect-btn {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.connect-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 150px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(240, 185, 11, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    background: rgba(240, 185, 11, 0.1);
    border: 1px solid rgba(240, 185, 11, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--primary);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.btn-primary,
.btn-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary:hover {
    background: rgba(240, 185, 11, 0.1);
}

.btn-icon {
    font-size: 1.2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Wallet Checker ===== */
.wallet-checker {
    padding: 80px 0;
    background: rgba(240, 185, 11, 0.03);
}

.checker-box {
    background: var(--secondary);
    border: 1px solid rgba(240, 185, 11, 0.2);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.checker-box h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.checker-box p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.checker-input-group {
    display: flex;
    gap: 1rem;
}

.checker-input {
    flex: 1;
    background: var(--bg-dark);
    border: 2px solid rgba(240, 185, 11, 0.2);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.checker-input:focus {
    outline: none;
    border-color: var(--primary);
}

.checker-btn {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.checker-result {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--bg-dark);
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* ===== Rewards Section ===== */
.rewards {
    padding: 100px 0;
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tier-card {
    background: var(--secondary);
    border: 2px solid rgba(240, 185, 11, 0.2);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.tier-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.tier-gold {
    border-color: var(--primary);
}

.tier-diamond {
    border-color: #64B5F6;
}

.tier-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.tier-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tier-name {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.tier-requirement {
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.tier-perks {
    list-style: none;
    margin-bottom: 1.5rem;
}

.tier-perks li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.tier-status {
    background: rgba(240, 185, 11, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ===== How It Works ===== */
.how-it-works {
    padding: 100px 0;
    background: rgba(240, 185, 11, 0.02);
}

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

.step-card {
    background: var(--secondary);
    border: 1px solid rgba(240, 185, 11, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: transform 0.3s;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
}

.step-icon {
    font-size: 3rem;
    margin: 1rem 0;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.how-note {
    background: rgba(240, 185, 11, 0.1);
    border: 1px solid rgba(240, 185, 11, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 3rem;
    text-align: center;
    color: var(--primary);
}

/* ===== Merch Section ===== */
.merch {
    padding: 100px 0;
}

.merch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.merch-card {
    background: var(--secondary);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s;
}

.merch-card:hover {
    transform: translateY(-5px);
}

.merch-image {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--secondary-light);
}

.merch-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.merch-card:hover .merch-image img {
    transform: scale(1.1);
}

.merch-placeholder {
    font-size: 5rem;
}

.merch-card h3,
.merch-card p,
.merch-tier {
    padding: 0 1.5rem;
}

.merch-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 1rem 0 0.5rem;
}

.merch-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.merch-tier {
    background: rgba(240, 185, 11, 0.1);
    color: var(--primary);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-top: 1px solid rgba(240, 185, 11, 0.1);
}

/* ===== Leaderboard ===== */
.leaderboard {
    padding: 100px 0;
    background: rgba(240, 185, 11, 0.02);
}

.leaderboard-table {
    background: var(--secondary);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(240, 185, 11, 0.1);
}

.table-header,
.table-row {
    display: grid;
    grid-template-columns: 100px 1fr 200px 180px;
    padding: 1.5rem 2rem;
    align-items: center;
    gap: 1rem;
}

.table-header {
    background: var(--bg-dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.table-row {
    border-bottom: 1px solid rgba(240, 185, 11, 0.1);
    transition: background 0.2s;
}

.table-row:hover {
    background: rgba(240, 185, 11, 0.05);
}

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

.col-rank {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.rank-medal {
    font-size: 1.5rem;
}

.rank-1 {
    background: rgba(255, 215, 0, 0.05);
}

.rank-2 {
    background: rgba(192, 192, 192, 0.05);
}

.rank-3 {
    background: rgba(205, 127, 50, 0.05);
}

.col-address {
    font-family: 'Courier New', monospace;
    color: var(--text-secondary);
}

.col-balance {
    font-weight: 700;
    color: var(--primary);
}

.badge-diamond,
.badge-platinum,
.badge-gold {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.badge-diamond {
    background: linear-gradient(135deg, #64B5F6 0%, #2196F3 100%);
    color: white;
}

.badge-platinum {
    background: linear-gradient(135deg, #B39DDB 0%, #7E57C2 100%);
    color: white;
}

.badge-gold {
    background: var(--gradient-primary);
    color: var(--bg-dark);
}

/* ===== FAQ ===== */
.faq {
    padding: 100px 0;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--secondary);
    border: 1px solid rgba(240, 185, 11, 0.1);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: background 0.3s;
}

.faq-question:hover {
    background: rgba(240, 185, 11, 0.05);
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-darker);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(240, 185, 11, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: rgba(240, 185, 11, 0.1);
    border: 1px solid rgba(240, 185, 11, 0.3);
    border-radius: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.social-link:hover {
    background: rgba(240, 185, 11, 0.2);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(240, 185, 11, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--secondary);
    border: 1px solid rgba(240, 185, 11, 0.2);
    border-radius: 20px;
    width: 90%;
    max-width: 450px;
    padding: 2rem;
    z-index: 1;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 800;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--primary);
}

.wallet-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    background: var(--bg-dark);
    border: 2px solid rgba(240, 185, 11, 0.1);
    color: var(--text-primary);
    padding: 1.25rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.wallet-option:hover {
    border-color: var(--primary);
    background: rgba(240, 185, 11, 0.05);
    transform: translateX(5px);
}

.wallet-icon {
    font-size: 1.8rem;
}

/* ===== Claim Modal ===== */
.claim-modal {
    max-width: 600px;
}

.claim-step {
    padding: 1.5rem;
    background: var(--bg-dark);
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.claim-step h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.reward-checkbox {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(240, 185, 11, 0.05);
    border: 2px solid rgba(240, 185, 11, 0.1);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
}

.reward-checkbox:hover {
    border-color: rgba(240, 185, 11, 0.3);
    background: rgba(240, 185, 11, 0.1);
}

.reward-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.reward-checkbox.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.reward-info {
    flex: 1;
}

.reward-info h5 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.reward-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.progress-bar-container {
    background: var(--bg-dark);
    border-radius: 10px;
    height: 40px;
    overflow: hidden;
    margin: 1.5rem 0;
    border: 2px solid rgba(240, 185, 11, 0.2);
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--bg-dark);
}

.shipping-form {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    background: var(--bg-dark);
    border: 2px solid rgba(240, 185, 11, 0.2);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: 8px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ===== Success Modal ===== */
.success-modal {
    max-width: 500px;
    text-align: center;
}

.success-animation {
    padding: 2rem 0;
}

.success-checkmark {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    position: relative;
}

.check-icon {
    width: 120px;
    height: 120px;
    position: relative;
    border-radius: 50%;
    box-sizing: content-box;
    border: 4px solid var(--success);
}

.icon-line {
    height: 5px;
    background-color: var(--success);
    display: block;
    border-radius: 2px;
    position: absolute;
    z-index: 10;
}

.line-tip {
    top: 56px;
    left: 25px;
    width: 25px;
    transform: rotate(45deg);
    animation: icon-line-tip 0.75s;
}

.line-long {
    top: 50px;
    right: 18px;
    width: 47px;
    transform: rotate(-45deg);
    animation: icon-line-long 0.75s;
}

.icon-circle {
    top: -4px;
    left: -4px;
    width: 120px;
    height: 120px;
    position: absolute;
    border-radius: 50%;
    border: 4px solid rgba(0, 212, 170, 0.3);
    animation: icon-circle 1s;
}

.icon-fix {
    top: 10px;
    width: 7px;
    height: 85px;
    background-color: var(--secondary);
    position: absolute;
    left: 32px;
    z-index: 1;
    transform: rotate(-45deg);
}

@keyframes icon-line-tip {
    0% {
        width: 0;
        left: 1px;
        top: 19px;
    }
    54% {
        width: 0;
        left: 1px;
        top: 19px;
    }
    70% {
        width: 50px;
        left: -8px;
        top: 37px;
    }
    84% {
        width: 17px;
        left: 21px;
        top: 48px;
    }
    100% {
        width: 25px;
        left: 25px;
        top: 56px;
    }
}

@keyframes icon-line-long {
    0% {
        width: 0;
        right: 46px;
        top: 54px;
    }
    65% {
        width: 0;
        right: 46px;
        top: 54px;
    }
    84% {
        width: 55px;
        right: 0;
        top: 35px;
    }
    100% {
        width: 47px;
        right: 18px;
        top: 50px;
    }
}

@keyframes icon-circle {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-message {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.claimed-items {
    text-align: left;
    background: var(--bg-dark);
    border-radius: 12px;
    padding: 1.5rem;
}

.claimed-items h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.claimed-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.claimed-item-icon {
    font-size: 1.5rem;
}

.claimed-item-info {
    flex: 1;
}

.claimed-item-info h5 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.claimed-item-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ===== Loading Spinner ===== */
.spinner {
    border: 4px solid rgba(240, 185, 11, 0.1);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 60px 1fr 120px;
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .col-tier {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .checker-input-group {
        flex-direction: column;
    }
    
    .tiers-grid,
    .steps-grid,
    .merch-grid {
        grid-template-columns: 1fr;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 50px 1fr;
        font-size: 0.85rem;
    }
    
    .col-balance {
        display: none;
    }
}