/* ===================================
   STAKE.COM CLEAN WHITE STYLES
   Unique prefix: stk-
   =================================== */

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

:root {
    --stk-primary: #2563eb;
    --stk-primary-dark: #1e40af;
    --stk-accent: #10b981;
    --stk-bg-white: #ffffff;
    --stk-bg-light: #f8fafc;
    --stk-bg-gray: #f1f5f9;
    --stk-border: #e2e8f0;
    --stk-text-dark: #1e293b;
    --stk-text-gray: #475569;
    --stk-text-light: #64748b;
}

html {
    scroll-behavior: smooth;
}

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

.stk-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === NAVIGATION === */
.stk-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--stk-border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 16px 0;
}

.stk-nav-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stk-nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 800;
    color: var(--stk-text-dark);
}

.stk-brand-icon {
    font-size: 24px;
}

.stk-brand-text {
    letter-spacing: -0.5px;
}

.stk-accent {
    color: var(--stk-primary);
}

.stk-nav-code {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--stk-bg-light);
    padding: 8px 16px;
    border-radius: 20px;
    border: 2px solid var(--stk-primary);
}

.stk-code-label {
    font-size: 12px;
    color: var(--stk-text-gray);
}

.stk-code-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--stk-primary);
    letter-spacing: 2px;
}

/* === HERO SECTION === */
.stk-hero-zone {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
    background: linear-gradient(180deg, var(--stk-bg-white) 0%, var(--stk-bg-light) 100%);
}

.stk-neon-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.stk-hero-container {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.stk-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--stk-bg-light);
    border: 2px solid var(--stk-primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
    text-transform: uppercase;
    color: var(--stk-primary);
}

.stk-badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--stk-primary);
    border-radius: 50%;
    animation: stkPulse 2s infinite;
}

@keyframes stkPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.stk-hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
    color: var(--stk-text-dark);
}

.stk-neon-text {
    background: linear-gradient(135deg, var(--stk-primary) 0%, var(--stk-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stk-hero-desc {
    font-size: 20px;
    color: var(--stk-text-gray);
    margin-bottom: 40px;
    line-height: 1.6;
}

.stk-hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.stk-btn-neon {
    position: relative;
    display: inline-block;
    background: var(--stk-primary);
    color: white;
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.stk-btn-neon:hover {
    background: var(--stk-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.stk-btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: stkShine 3s infinite;
}

@keyframes stkShine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.stk-code-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: white;
    border: 2px solid var(--stk-primary);
    color: var(--stk-primary);
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.stk-code-btn:hover {
    background: var(--stk-bg-light);
    transform: translateY(-2px);
}

.stk-code-icon {
    font-size: 20px;
}

.stk-trust-badges {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.stk-badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--stk-text-gray);
}

.stk-badge-emoji {
    font-size: 20px;
}

.stk-hero-glow {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    filter: blur(40px);
    pointer-events: none;
}

/* === SECTION HEADERS === */
.stk-section-header {
    text-align: center;
    margin-bottom: 64px;
}

.stk-header-tag {
    display: inline-block;
    background: var(--stk-bg-light);
    border: 2px solid var(--stk-primary);
    color: var(--stk-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.stk-section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
    color: var(--stk-text-dark);
}

.stk-section-subtitle {
    font-size: 18px;
    color: var(--stk-text-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* === GROWTH SECTION === */
.stk-growth-section {
    padding: 100px 0;
    background: var(--stk-bg-white);
}

.stk-growth-timeline {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-bottom: 64px;
    flex-wrap: wrap;
}

.stk-growth-card {
    background: white;
    border: 2px solid var(--stk-border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    min-width: 180px;
    transition: all 0.3s ease;
}

.stk-growth-card:hover {
    border-color: var(--stk-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.stk-growth-card.stk-highlight {
    border-color: var(--stk-primary);
    background: linear-gradient(135deg, var(--stk-bg-light) 0%, white 100%);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.stk-growth-year {
    font-size: 14px;
    color: var(--stk-text-light);
    font-weight: 600;
    margin-bottom: 8px;
}

.stk-growth-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--stk-text-dark);
}

.stk-growth-desc {
    font-size: 13px;
    color: var(--stk-text-gray);
    line-height: 1.5;
}

.stk-growth-arrow {
    font-size: 24px;
    color: var(--stk-text-light);
}

.stk-stats-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.stk-stat-large {
    background: white;
    border: 2px solid var(--stk-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.stk-stat-large:hover {
    border-color: var(--stk-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.stk-stat-icon-large {
    font-size: 48px;
    margin-bottom: 16px;
}

.stk-stat-value-large {
    font-size: 36px;
    font-weight: 800;
    color: var(--stk-primary);
    margin-bottom: 8px;
}

.stk-stat-label-large {
    font-size: 16px;
    color: var(--stk-text-dark);
    font-weight: 600;
    margin-bottom: 8px;
}

.stk-stat-note {
    font-size: 14px;
    color: var(--stk-text-light);
}

/* === CRYPTO SECTION === */
.stk-crypto-section {
    padding: 100px 0;
    background: var(--stk-bg-light);
}

.stk-crypto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.stk-crypto-card {
    background: white;
    border: 2px solid var(--stk-border);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.stk-crypto-card:hover {
    border-color: var(--stk-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.stk-crypto-card.stk-featured {
    border-color: var(--stk-primary);
    background: linear-gradient(135deg, var(--stk-bg-light) 0%, white 100%);
}

.stk-crypto-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.stk-crypto-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--stk-text-dark);
}

.stk-crypto-detail {
    font-size: 14px;
    color: var(--stk-text-gray);
}

.stk-crypto-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stk-crypto-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stk-stat-label {
    font-size: 13px;
    color: var(--stk-text-light);
}

.stk-stat-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--stk-text-dark);
}

.stk-crypto-badge {
    display: inline-block;
    background: var(--stk-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 12px;
}

.stk-crypto-more {
    background: var(--stk-bg-light);
    border: 2px dashed var(--stk-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
}

.stk-more-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--stk-text-dark);
    margin-bottom: 8px;
}

.stk-more-list {
    font-size: 14px;
    color: var(--stk-text-gray);
}

.stk-crypto-highlight {
    display: flex;
    align-items: center;
    gap: 20px;
    background: white;
    border: 2px solid var(--stk-primary);
    border-radius: 16px;
    padding: 32px;
}

.stk-highlight-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.stk-highlight-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--stk-text-dark);
    margin-bottom: 8px;
}

.stk-highlight-content p {
    font-size: 15px;
    color: var(--stk-text-gray);
    line-height: 1.6;
}

/* === PROVIDERS SECTION === */
.stk-providers-section {
    padding: 100px 0;
    background: var(--stk-bg-white);
}

.stk-providers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.stk-provider-card {
    background: white;
    border: 2px solid var(--stk-border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
}

.stk-provider-card:hover {
    border-color: var(--stk-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.stk-provider-logo {
    font-size: 48px;
    margin-bottom: 16px;
}

.stk-provider-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--stk-text-dark);
}

.stk-provider-desc {
    font-size: 14px;
    color: var(--stk-text-gray);
    line-height: 1.6;
    margin-bottom: 16px;
}

.stk-provider-games {
    display: inline-block;
    background: var(--stk-bg-light);
    color: var(--stk-primary);
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* === SPONSORS SECTION === */
.stk-sponsors-section {
    padding: 100px 0;
    background: var(--stk-bg-light);
}

.stk-sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.stk-sponsor-card {
    background: white;
    border: 2px solid var(--stk-border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
}

.stk-sponsor-card:hover {
    border-color: var(--stk-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.stk-sponsor-card.stk-sponsor-major {
    grid-column: span 2;
    border-color: var(--stk-primary);
    background: linear-gradient(135deg, var(--stk-bg-light) 0%, white 100%);
}

.stk-sponsor-badge {
    display: inline-block;
    background: var(--stk-primary);
    color: white;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.stk-sponsor-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.stk-sponsor-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--stk-text-dark);
}

.stk-sponsor-desc {
    font-size: 15px;
    color: var(--stk-text-gray);
    line-height: 1.6;
    margin-bottom: 16px;
}

.stk-sponsor-info {
    font-size: 14px;
    color: var(--stk-text-gray);
    line-height: 1.6;
}

.stk-sponsor-detail {
    font-size: 13px;
    color: var(--stk-text-light);
    padding-top: 12px;
    border-top: 1px solid var(--stk-border);
}

/* === REGISTER SECTION === */
.stk-register-section {
    padding: 100px 0;
    background: var(--stk-bg-white);
}

.stk-register-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.stk-register-step {
    background: white;
    border: 2px solid var(--stk-border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    transition: all 0.3s ease;
}

.stk-register-step:hover {
    border-color: var(--stk-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.stk-register-step.stk-step-important {
    border-color: var(--stk-primary);
    background: linear-gradient(135deg, var(--stk-bg-light) 0%, white 100%);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.stk-register-arrow {
    font-size: 24px;
    color: var(--stk-text-light);
}

.stk-step-number-large {
    width: 48px;
    height: 48px;
    background: var(--stk-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.stk-step-title-large {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--stk-text-dark);
}

.stk-step-desc-large {
    font-size: 14px;
    color: var(--stk-text-gray);
    line-height: 1.5;
}

.stk-code-highlight-large {
    color: var(--stk-primary);
    font-weight: 800;
    font-size: 18px;
}

.stk-code-box-large {
    background: white;
    border: 2px solid var(--stk-primary);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
}

.stk-code-label-large {
    font-size: 14px;
    color: var(--stk-text-gray);
    margin-bottom: 16px;
}

.stk-code-value-large {
    font-size: 48px;
    font-weight: 900;
    color: var(--stk-primary);
    letter-spacing: 4px;
    margin-bottom: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.stk-code-value-large:hover {
    transform: scale(1.05);
}

.stk-code-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--stk-primary);
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.stk-code-copy-btn:hover {
    background: var(--stk-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* === FAQ SECTION === */
.stk-faq-zone {
    padding: 100px 0;
    background: var(--stk-bg-light);
}

.stk-faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.stk-faq-item {
    background: white;
    border: 2px solid var(--stk-border);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stk-faq-item:hover {
    border-color: var(--stk-primary);
}

.stk-faq-item.stk-active {
    border-color: var(--stk-primary);
}

.stk-faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.stk-faq-question:hover {
    background: var(--stk-bg-light);
}

.stk-faq-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.stk-faq-text {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--stk-text-dark);
}

.stk-faq-arrow {
    font-size: 24px;
    color: var(--stk-primary);
    transition: transform 0.3s ease;
}

.stk-faq-item.stk-active .stk-faq-arrow {
    transform: rotate(90deg);
}

.stk-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 24px;
    font-size: 15px;
    color: var(--stk-text-gray);
    line-height: 1.8;
}

.stk-faq-item.stk-active .stk-faq-answer {
    max-height: 500px;
    padding: 0 24px 24px;
}

/* === FINAL CTA SECTION === */
.stk-final-cta {
    padding: 100px 24px;
    background: linear-gradient(135deg, var(--stk-bg-light) 0%, var(--stk-bg-white) 100%);
    text-align: center;
}

.stk-cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.stk-cta-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
    color: var(--stk-text-dark);
}

.stk-cta-text {
    font-size: 20px;
    color: var(--stk-text-gray);
    margin-bottom: 40px;
}

.stk-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--stk-primary);
    color: white;
    padding: 20px 48px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.stk-cta-button:hover {
    background: var(--stk-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.stk-button-arrow {
    font-size: 24px;
}

.stk-cta-code {
    margin-top: 24px;
    font-size: 16px;
    color: var(--stk-text-gray);
}

.stk-inline-code {
    display: inline-block;
    background: var(--stk-bg-light);
    border: 2px solid var(--stk-primary);
    color: var(--stk-primary);
    padding: 4px 12px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.stk-inline-code:hover {
    background: white;
}

/* === FOOTER === */
.stk-footer {
    background: var(--stk-bg-white);
    border-top: 2px solid var(--stk-border);
    padding: 48px 0 24px;
}

.stk-footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 32px;
}

.stk-footer-brand {
    flex: 1;
}

.stk-footer-logo {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 8px;
    display: block;
    color: var(--stk-text-dark);
}

.stk-footer-desc {
    font-size: 14px;
    color: var(--stk-text-gray);
}

.stk-footer-links {
    display: flex;
    gap: 32px;
}

.stk-footer-links a {
    color: var(--stk-text-gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.stk-footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--stk-border);
    text-align: center;
}

.stk-copyright,
.stk-disclaimer {
    font-size: 13px;
    color: var(--stk-text-light);
    margin-bottom: 8px;
}

/* === FLOATING QUICK ACTION === */
.stk-quick-action {
    position: fixed;
    right: 24px;
    bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.stk-quick-btn,
.stk-quick-code {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--stk-primary);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

.stk-quick-btn:hover,
.stk-quick-code:hover {
    background: var(--stk-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.stk-quick-icon {
    font-size: 18px;
}

/* === SCROLL TO TOP === */
.stk-scroll-top {
    position: fixed;
    right: 24px;
    bottom: 140px;
    width: 48px;
    height: 48px;
    background: white;
    border: 2px solid var(--stk-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stk-scroll-top.stk-visible {
    opacity: 1;
    visibility: visible;
}

.stk-scroll-top:hover {
    background: var(--stk-primary);
    transform: translateY(-4px);
}

.stk-scroll-top:hover .stk-scroll-arrow {
    color: white;
}

.stk-scroll-arrow {
    font-size: 20px;
    color: var(--stk-primary);
    transition: color 0.3s ease;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
    .stk-hero-title {
        font-size: 48px;
    }
    
    .stk-section-title {
        font-size: 40px;
    }
    
    .stk-sponsor-card.stk-sponsor-major {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .stk-nav-code {
        padding: 6px 12px;
    }
    
    .stk-code-label {
        display: none;
    }
    
    .stk-hero-title {
        font-size: 36px;
    }
    
    .stk-hero-desc {
        font-size: 16px;
    }
    
    .stk-hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .stk-btn-neon,
    .stk-code-btn {
        width: 100%;
        justify-content: center;
    }
    
    .stk-trust-badges {
        flex-direction: column;
        gap: 16px;
    }
    
    .stk-section-title {
        font-size: 32px;
    }
    
    .stk-section-subtitle {
        font-size: 16px;
    }
    
    .stk-growth-timeline {
        flex-direction: column;
    }
    
    .stk-growth-arrow {
        transform: rotate(90deg);
    }
    
    .stk-register-steps {
        flex-direction: column;
    }
    
    .stk-register-arrow {
        transform: rotate(90deg);
    }
    
    .stk-register-step {
        max-width: 100%;
    }
    
    .stk-cta-title {
        font-size: 32px;
    }
    
    .stk-cta-text {
        font-size: 16px;
    }
    
    .stk-footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .stk-footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stk-quick-action {
        right: 16px;
        bottom: 16px;
    }
    
    .stk-scroll-top {
        right: 16px;
        bottom: 120px;
    }
}

@media (max-width: 480px) {
    .stk-hero-zone {
        padding: 100px 16px 60px;
    }
    
    .stk-hero-title {
        font-size: 28px;
    }
    
    .stk-section-title {
        font-size: 28px;
    }
    
    .stk-cta-title {
        font-size: 28px;
    }
    
    .stk-code-value-large {
        font-size: 36px;
    }
}