/* === ULTRA-PREMIUM SELL PAGE STYLES === */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --sell-orange: #ff7a00;
    --sell-orange-light: #ff9533;
    --sell-orange-dark: #e56a00;
    --sell-dark: #0a0a0a;
    --sell-dark-light: #1a1a1a;
    --sell-dark-card: #1f1f1f;
    --sell-glass: rgba(255,255,255,0.05);
    --sell-glass-border: rgba(255,255,255,0.1);
    --sell-gradient: linear-gradient(135deg, #ff7a00, #ff9533);
    --sell-gradient-reverse: linear-gradient(135deg, #ff9533, #ff7a00);
    --sell-shadow: 0 20px 60px rgba(255, 122, 0, 0.3);
    --sell-shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.3);
    --sell-font: 'Poppins', sans-serif;
    --sell-border-radius: 20px;
    --sell-transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Base Styles */
.sell-page-wrapper {
    position: relative;
    background: linear-gradient(135deg, var(--sell-dark), var(--sell-dark-light));
    color: #fff;
    font-family: var(--sell-font);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Advanced Particle Background */
.sell-particles-container {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.sell-mesh-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255,122,0,0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255,149,51,0.08) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(255,122,0,0.06) 0%, transparent 50%);
    animation: meshFloat 20s ease-in-out infinite;
}

.sell-particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--sell-orange), transparent);
    opacity: 0.4;
    animation: floatSell linear infinite;
    filter: blur(1px);
}

.s-particle-1 { width: 8px; height: 8px; left: 15%; top: 20%; animation-duration: 25s; }
.s-particle-2 { width: 6px; height: 6px; left: 60%; top: 40%; animation-duration: 30s; }
.s-particle-3 { width: 10px; height: 10px; left: 80%; top: 70%; animation-duration: 22s; }
.s-particle-4 { width: 4px; height: 4px; left: 35%; top: 80%; animation-duration: 28s; }
.s-particle-5 { width: 12px; height: 12px; left: 70%; top: 15%; animation-duration: 35s; }
.s-particle-6 { width: 5px; height: 5px; left: 90%; top: 30%; animation-duration: 20s; }
.s-particle-7 { width: 7px; height: 7px; left: 10%; top: 60%; animation-duration: 32s; }

.sell-glow-orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,122,0,0.15), transparent);
    filter: blur(60px);
    animation: glowPulse 8s infinite ease-in-out;
}

.glow-a { width: 300px; height: 300px; left: 10%; top: 20%; }
.glow-b { width: 400px; height: 400px; right: 10%; bottom: 10%; animation-delay: -3s; }
.glow-c { width: 250px; height: 250px; left: 50%; top: 60%; animation-delay: -6s; }

/* Hero Section */
.sell-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding: 100px 5%;
    z-index: 2;
    gap: 60px;
}

.sell-hero-content {
    flex: 1;
    max-width: 600px;
}

.sell-hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,122,0,0.1);
    border: 1px solid rgba(255,122,0,0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--sell-orange);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.sell-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sell-title-word {
    color: var(--sell-orange);
    text-shadow: 0 0 40px rgba(255,122,0,0.5);
    transform: translateY(20px);
    opacity: 0;
    animation: slideUpFade 1s ease-out forwards;
}

.sell-title-highlight {
    background: var(--sell-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    transform: translateY(20px);
    opacity: 0;
    animation: slideUpFade 1s ease-out 0.3s forwards;
}

.sell-title-accent {
    color: #fff;
    transform: translateY(20px);
    opacity: 0;
    animation: slideUpFade 1s ease-out 0.6s forwards;
}

.sell-title-effects {
    position: relative;
    margin: 25px 0;
}

.sell-title-underline {
    width: 120px;
    height: 6px;
    background: var(--sell-gradient);
    border-radius: 3px;
    box-shadow: var(--sell-shadow);
    position: relative;
    overflow: hidden;
}

.sell-title-underline::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s infinite;
}

.sell-title-glow {
    position: absolute;
    top: -10px;
    left: 0;
    width: 120px;
    height: 26px;
    background: var(--sell-gradient);
    filter: blur(20px);
    opacity: 0.6;
    border-radius: 50px;
}

.sell-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    line-height: 1.7;
    font-weight: 400;
}

.sell-stats-row {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.sell-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.sell-stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--sell-orange);
    text-shadow: 0 0 20px rgba(255,122,0,0.4);
}

.sell-stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-top: 5px;
}

.sell-hero-buttons {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.sell-btn-primary,
.sell-btn-secondary {
    position: relative;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--sell-transition);
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sell-btn-primary {
    background: var(--sell-gradient);
    color: #fff;
    box-shadow: var(--sell-shadow);
    border: none;
}

.sell-btn-primary:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 25px 80px rgba(255,122,0,0.4);
}

.sell-btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.sell-btn-primary:hover .sell-btn-glow {
    left: 100%;
}

.sell-btn-shine {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, rgba(255,255,255,0.1), transparent);
    animation: rotate 2s linear infinite;
}

.sell-btn-secondary {
    background: rgba(255,122,0,0.1);
    border: 2px solid var(--sell-orange);
    color: var(--sell-orange);
    backdrop-filter: blur(10px);
}

.sell-btn-secondary:hover {
    background: var(--sell-orange);
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255,122,0,0.3);
}

/* Features Section */
.sell-features-section {
    padding: 120px 5%;
    position: relative;
    z-index: 2;
}

.sell-section-header {
    text-align: center;
    margin-bottom: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.sell-section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,122,0,0.1);
    border: 1px solid rgba(255,122,0,0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--sell-orange);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.sell-section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 15px;
    text-shadow: 0 0 30px rgba(255,122,0,0.3);
}

.sell-section-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
    line-height: 1.6;
}

.sell-section-divider {
    position: relative;
    margin: 0 auto;
}

.sell-divider-line {
    width: 100px;
    height: 4px;
    background: var(--sell-gradient);
    margin: 0 auto;
    border-radius: 2px;
}

.sell-divider-glow {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 20px;
    background: var(--sell-gradient);
    filter: blur(15px);
    opacity: 0.5;
    border-radius: 50px;
}

.sell-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.sell-feature-card {
    position: relative;
    background: rgba(25,25,25,0.8);
    backdrop-filter: blur(20px);
    padding: 40px 30px;
    border-radius: var(--sell-border-radius);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--sell-transition);
    overflow: hidden;
}

.sell-feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--sell-gradient);
    opacity: 0;
    transition: var(--sell-transition);
    z-index: -1;
}

.sell-feature-card:hover {
    transform: translateY(-20px) scale(1.02);
    box-shadow: 0 30px 100px rgba(255,122,0,0.2);
    border-color: rgba(255,122,0,0.3);
}

.sell-feature-card:hover::before {
    opacity: 0.05;
}

.sell-feature-glow {
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, transparent, var(--sell-orange), transparent);
    border-radius: var(--sell-border-radius);
    opacity: 0;
    transition: var(--sell-transition);
    z-index: -1;
}

.sell-feature-card:hover .sell-feature-glow {
    opacity: 0.3;
    animation: rotate 2s linear infinite;
}

.sell-feature-icon {
    position: relative;
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--sell-orange);
    display: inline-block;
}

.sell-icon-pulse {
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,122,0,0.2), transparent);
    animation: pulse 2s infinite;
}

.sell-feature-heading {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.sell-feature-text {
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
    margin-bottom: 20px;
}

.sell-feature-highlight {
    display: inline-block;
    background: var(--sell-gradient);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(255,122,0,0.3);
}

/* Form Section */
.sell-form-section {
    padding: 120px 5%;
    background: linear-gradient(135deg, var(--sell-dark-light), var(--sell-dark));
    position: relative;
    z-index: 2;
}

.sell-form-container {
    max-width: 900px;
    margin: 0 auto;
}

.sell-form-header {
    text-align: center;
    margin-bottom: 60px;
}

.sell-form-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,122,0,0.1);
    border: 1px solid rgba(255,122,0,0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--sell-orange);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.sell-form-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 15px;
}

.sell-form-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

.sell-form-advanced {
    background: rgba(30,30,30,0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 30px;
    padding: 50px;
    box-shadow: var(--sell-shadow-soft);
    position: relative;
    overflow: hidden;
}

.sell-form-advanced::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--sell-gradient);
    opacity: 0.02;
    z-index: -1;
}

/* Multi-step Form */
.sell-form-step {
    display: none;
}

.sell-form-step-active {
    display: block;
    animation: stepFadeIn 0.5s ease-out;
}

.sell-step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(255,255,255,0.1);
}

.sell-step-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.sell-step-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--sell-orange);
    font-weight: 600;
}

.sell-step-number {
    background: var(--sell-gradient);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: 0 5px 15px rgba(255,122,0,0.3);
}

.sell-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.sell-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sell-input-full {
    grid-column: 1 / -1;
}

.sell-input-group label {
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
}

.sell-input-group input,
.sell-input-group select,
.sell-input-group textarea {
    padding: 16px 20px;
    border-radius: 15px;
    border: 2px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 1rem;
    transition: var(--sell-transition);
    backdrop-filter: blur(10px);
}

.sell-input-group input:focus,
.sell-input-group select:focus,
.sell-input-group textarea:focus {
    outline: none;
    border-color: var(--sell-orange);
    box-shadow: 0 0 20px rgba(255,122,0,0.2);
    background: rgba(255,255,255,0.08);
}

.sell-input-group input::placeholder,
.sell-input-group textarea::placeholder {
    color: rgba(255,255,255,0.5);
}

/* Condition Selection */
.sell-condition-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
}

.sell-condition-options input[type="radio"] {
    display: none;
}

.sell-condition-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 15px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 15px;
    background: rgba(255,255,255,0.05);
    cursor: pointer;
    transition: var(--sell-transition);
    text-align: center;
}

.sell-condition-btn:hover {
    border-color: var(--sell-orange);
    background: rgba(255,122,0,0.1);
    transform: translateY(-3px);
}

.sell-condition-options input[type="radio"]:checked + .sell-condition-btn {
    border-color: var(--sell-orange);
    background: var(--sell-gradient);
    color: #fff;
    box-shadow: 0 10px 30px rgba(255,122,0,0.3);
}

.sell-condition-icon {
    font-size: 1.5rem;
}

/* Pricing Section */
.sell-pricing-section {
    display: grid;
    gap: 30px;
}

.sell-price-calculator {
    background: rgba(255,122,0,0.05);
    border: 1px solid rgba(255,122,0,0.2);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
}

.sell-calculator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.sell-calculator-header h4 {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
}

.sell-suggested-price {
    display: flex;
    flex-direction: column;
    align-items: end;
    text-align: right;
}

.sell-price-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}

.sell-price-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--sell-orange);
    text-shadow: 0 0 20px rgba(255,122,0,0.4);
}

.sell-price-feedback {
    margin-top: 8px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Financing Options */
.sell-financing-options h4 {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.sell-financing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.sell-financing-card input[type="checkbox"] {
    display: none;
}

.sell-financing-card label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 15px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 15px;
    background: rgba(255,255,255,0.05);
    cursor: pointer;
    transition: var(--sell-transition);
    text-align: center;
    height: 100px;
    justify-content: center;
}

.sell-financing-card:hover label {
    border-color: var(--sell-orange);
    background: rgba(255,122,0,0.1);
    transform: translateY(-3px);
}

.sell-financing-card input[type="checkbox"]:checked + label {
    border-color: var(--sell-orange);
    background: var(--sell-gradient);
    color: #fff;
    box-shadow: 0 10px 30px rgba(255,122,0,0.3);
}

.sell-financing-icon {
    font-size: 1.5rem;
}

/* Image Upload */
.sell-upload-section {
    margin-bottom: 40px;
}

.sell-upload-area {
    border: 3px dashed rgba(255,122,0,0.3);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--sell-transition);
    background: rgba(255,122,0,0.02);
    position: relative;
    overflow: hidden;
}

.sell-upload-area:hover,
.sell-upload-dragover {
    border-color: var(--sell-orange);
    background: rgba(255,122,0,0.08);
    transform: scale(1.02);
}

.sell-upload-content {
    pointer-events: none;
}

.sell-upload-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.sell-upload-area h4 {
    color: #fff;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.sell-upload-area p {
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
}

.sell-upload-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255,255,255,0.1);
}

.sell-progress-bar {
    height: 100%;
    background: var(--sell-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

.sell-image-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.sell-image-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(0,0,0,0.3);
}

.sell-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sell-image-remove {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: rgba(255,0,0,0.8);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: var(--sell-transition);
}

.sell-image-remove:hover {
    background: #ff0000;
    transform: scale(1.1);
}

.sell-upload-tips {
    margin-top: 30px;
    background: rgba(255,255,255,0.02);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
}

.sell-upload-tips h5 {
    color: var(--sell-orange);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.sell-upload-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sell-upload-tips li {
    color: rgba(255,255,255,0.8);
    margin-bottom: 8px;
    padding-left: 0;
}

/* Features Checkboxes */
.sell-features-checkboxes h4 {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.sell-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.sell-features-grid label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    background: rgba(255,255,255,0.02);
    cursor: pointer;
    transition: var(--sell-transition);
    color: rgba(255,255,255,0.9);
}

.sell-features-grid label:hover {
    border-color: var(--sell-orange);
    background: rgba(255,122,0,0.05);
}

.sell-features-grid input[type="checkbox"] {
    accent-color: var(--sell-orange);
    width: 18px;
    height: 18px;
}

.sell-features-grid input[type="checkbox"]:checked + span {
    color: var(--sell-orange);
    font-weight: 600;
}

/* Contact & Verification */
.sell-contact-section {
    margin-bottom: 40px;
}

.sell-verification-section h4 {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.sell-verification-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.sell-verification-option input[type="checkbox"] {
    display: none;
}

.sell-verification-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 25px 20px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 15px;
    background: rgba(255,255,255,0.05);
    cursor: pointer;
    transition: var(--sell-transition);
    text-align: center;
    position: relative;
}

.sell-verification-card:hover {
    border-color: var(--sell-orange);
    background: rgba(255,122,0,0.1);
    transform: translateY(-5px);
}

.sell-verification-option input[type="checkbox"]:checked + .sell-verification-card {
    border-color: var(--sell-orange);
    background: var(--sell-gradient);
    color: #fff;
    box-shadow: 0 10px 30px rgba(255,122,0,0.3);
}

.sell-verification-icon {
    font-size: 2rem;
}

.sell-verification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--sell-gradient);
    color: #fff;
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(255,122,0,0.4);
}

/* Form Navigation */
.sell-form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid rgba(255,255,255,0.1);
}

.sell-nav-btn,
.sell-submit-btn {
    padding: 15px 30px;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--sell-transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sell-nav-prev {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}

.sell-nav-next,
.sell-submit-btn {
    background: var(--sell-gradient);
    color: #fff;
    box-shadow: 0 10px 30px rgba(255,122,0,0.3);
    position: relative;
    overflow: hidden;
}

.sell-nav-btn:hover,
.sell-submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255,122,0,0.4);
}

.sell-submit-glow {
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, transparent, var(--sell-orange), transparent);
    border-radius: 50px;
    opacity: 0;
    animation: rotate 2s linear infinite;
}

.sell-submit-btn:hover .sell-submit-glow {
    opacity: 0.5;
}

.sell-form-steps-indicator {
    display: flex;
    gap: 10px;
}

.sell-step-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    cursor: pointer;
    transition: var(--sell-transition);
}

.sell-step-dot.sell-step-active {
    background: var(--sell-orange);
    box-shadow: 0 0 15px rgba(255,122,0,0.5);
}

.sell-step-dot.sell-step-completed {
    background: #4CAF50;
}

/* Testimonials Section */
.sell-testimonials-section {
    padding: 120px 5%;
    position: relative;
    z-index: 2;
}

.sell-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.sell-testimonial-card {
    background: rgba(25,25,25,0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 30px;
    transition: var(--sell-transition);
}

.sell-testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(255,122,0,0.1);
    border-color: rgba(255,122,0,0.3);
}

.sell-testimonial-content {
    margin-bottom: 25px;
}

.sell-testimonial-rating {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.sell-testimonial-content p {
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
    font-style: italic;
}

.sell-testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sell-author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--sell-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.sell-author-name {
    color: #fff;
    font-weight: 600;
    margin-bottom: 5px;
}

.sell-author-car {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

/* Final CTA */
.sell-final-cta {
    padding: 120px 5%;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.sell-cta-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--sell-dark), var(--sell-dark-light));
}

.sell-cta-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255,122,0,0.1), transparent);
    animation: glowPulse 6s infinite ease-in-out;
}

.sell-cta-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.sell-cta-badge {
    display: inline-block;
    padding: 10px 25px;
    background: rgba(255,122,0,0.1);
    border: 1px solid rgba(255,122,0,0.3);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--sell-orange);
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.sell-cta-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    text-shadow: 0 0 30px rgba(255,122,0,0.3);
}

.sell-cta-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 50px;
    line-height: 1.6;
}

.sell-cta-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.sell-cta-btn-primary,
.sell-cta-btn-secondary {
    padding: 20px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--sell-transition);
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.sell-cta-btn-primary {
    background: var(--sell-gradient);
    color: #fff;
    box-shadow: 0 15px 50px rgba(255,122,0,0.4);
}

.sell-cta-btn-primary:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 25px 80px rgba(255,122,0,0.5);
}

.sell-cta-btn-glow {
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, transparent, var(--sell-orange-light), transparent);
    border-radius: 50px;
    opacity: 0;
    animation: rotate 2s linear infinite;
}

.sell-cta-btn-primary:hover .sell-cta-btn-glow {
    opacity: 0.6;
}

.sell-cta-btn-secondary {
    background: rgba(255,122,0,0.1);
    border: 2px solid var(--sell-orange);
    color: var(--sell-orange);
    backdrop-filter: blur(10px);
}

.sell-cta-btn-secondary:hover {
    background: var(--sell-orange);
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255,122,0,0.3);
}

/* Animations */
@keyframes floatSell {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(-10px) rotate(240deg); }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes meshFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

@keyframes slideUpFade {
    from { 
        transform: translateY(30px); 
        opacity: 0; 
    }
    to { 
        transform: translateY(0); 
        opacity: 1; 
    }
}

@keyframes stepFadeIn {
    from { 
        opacity: 0; 
        transform: translateX(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
}

@keyframes barGrow {
    from { height: 0; }
    to { height: calc(var(--height) * 30px / 100%); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .sell-hero {
        padding: 80px 4%;
        gap: 40px;
    }
    
    .sell-features-section,
    .sell-form-section,
    .sell-testimonials-section,
    .sell-final-cta {
        padding: 100px 4%;
    }
}

@media (max-width: 768px) {
    .sell-hero {
        flex-direction: column;
        text-align: center;
        padding: 60px 4%;
        gap: 50px;
    }
    
    .sell-hero-visual {
        order: -1;
        max-width: 100%;
    }
    
    .sell-hero-image-stack {
        height: 400px;
    }
    
    .sell-hero-card-main {
        width: 320px;
        height: 240px;
    }
    
    .sell-stats-row {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .sell-hero-buttons {
        justify-content: center;
    }
    
    .sell-features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .sell-form-advanced {
        padding: 30px 25px;
    }
    
    .sell-form-grid {
        grid-template-columns: 1fr;
    }
    
    .sell-condition-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sell-financing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sell-verification-options {
        grid-template-columns: 1fr;
    }
    
    .sell-form-navigation {
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
    }
    
    .sell-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .sell-hero {
        padding: 40px 4%;
    }
    
    .sell-title {
        font-size: 2.5rem;
    }
    
    .sell-features-section,
    .sell-form-section,
    .sell-testimonials-section,
    .sell-final-cta {
        padding: 80px 4%;
    }
    
    .sell-form-advanced {
        padding: 25px 20px;
    }
    
    .sell-hero-card-main {
        width: 280px;
        height: 200px;
    }
    
    .sell-hero-card-floating,
    .sell-hero-card-stats {
        display: none;
    }
    
    .sell-condition-options,
    .sell-financing-grid {
        grid-template-columns: 1fr;
    }
    
    .sell-upload-area {
        padding: 40px 20px;
    }
    
    .sell-calculator-header {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .sell-suggested-price {
        align-items: flex-start;
        text-align: left;
    }
}

/* High-end animations for premium feel */
@media (prefers-reduced-motion: no-preference) {
    .sell-feature-card {
        animation: fadeInUp 0.8s ease-out forwards;
        opacity: 0;
        transform: translateY(30px);
    }
    
    .sell-feature-card:nth-child(1) { animation-delay: 0.2s; }
    .sell-feature-card:nth-child(2) { animation-delay: 0.4s; }
    .sell-feature-card:nth-child(3) { animation-delay: 0.6s; }
    .sell-feature-card:nth-child(4) { animation-delay: 0.8s; }
    .sell-feature-card:nth-child(5) { animation-delay: 1.0s; }
    .sell-feature-card:nth-child(6) { animation-delay: 1.2s; }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}