/* ========================================
   Checkout Page Styles
   Modern, minimal, conversion-optimized
   ======================================== */

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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;

    --gray-900: #0F172A;
    --gray-800: #1E293B;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748B;
    --gray-400: #94A3B8;
    --gray-300: #CBD5E1;
    --gray-200: #E2E8F0;
    --gray-100: #F1F5F9;
    --gray-50: #F8FAFC;
    --white: #FFFFFF;

    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-family);
    background: #f8fafc;
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.06) 0px, transparent 50%);
    min-height: 100vh;
    color: var(--gray-900);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(to right, rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* ========================================
   Header
   ======================================== */
.checkout-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

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

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-brand {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-trust {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
}

/* ========================================
   Main Container
   ======================================== */
.checkout-main {
    padding: 24px 24px 32px;
    min-height: calc(100vh - 80px);
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
}

.checkout-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* ========================================
   Progress Indicator
   ======================================== */
.progress-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
    opacity: 0.4;
    transition: var(--transition);
}

.progress-step.active {
    opacity: 1;
}

.progress-step.completed {
    opacity: 1;
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    color: var(--gray-400);
    transition: var(--transition);
    position: relative;
}

.progress-step.active .step-circle {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-color: transparent;
    color: var(--white);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
    transform: scale(1.1);
}

.progress-step.completed .step-circle {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    border-color: transparent;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.step-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-500);
    white-space: nowrap;
}

.progress-step.active .step-label {
    color: var(--gray-900);
    font-weight: 700;
}

.progress-step.completed .step-label {
    color: var(--gray-700);
}

.progress-line {
    flex: 1;
    height: 3px;
    background: var(--gray-200);
    margin: 0 16px;
    position: relative;
    top: -24px;
    border-radius: 2px;
    max-width: 120px;
}

/* ========================================
   Checkout Card
   ======================================== */
.checkout-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow:
        0 0 0 1px rgba(226, 232, 240, 0.8),
        0 20px 25px -5px rgba(0, 0, 0, 0.05),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
    padding: 32px;
    position: relative;
}

.checkout-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 6px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.checkout-subtitle {
    font-size: 15px;
    color: var(--gray-600);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* ========================================
   Step Content
   ======================================== */
.step-content {
    display: none;
    animation: fadeIn 0.4s ease-in-out;
}

.step-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Plans Grid
   ======================================== */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.plan-card {
    position: relative;
    border: 2px solid var(--gray-200);
    border-radius: 16px;
    padding: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: block;
    background: var(--white);
}

.plan-card:hover {
    border-color: var(--primary);
    box-shadow:
        0 0 0 1px var(--primary),
        0 12px 24px -4px rgba(99, 102, 241, 0.12);
    transform: translateY(-4px);
}

.plan-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.plan-card input[type="radio"]:checked ~ .plan-content {
    border-color: var(--primary);
}

.plan-card input[type="radio"]:checked {
    & ~ .plan-content {
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.04) 0%, rgba(139, 92, 246, 0.04) 100%);
    }
}

.plan-card.featured {
    border-color: #6366f1;
    border-width: 2.5px;
    box-shadow:
        0 0 0 1px #6366f1,
        0 20px 25px -5px rgba(99, 102, 241, 0.15),
        0 10px 10px -5px rgba(99, 102, 241, 0.08);
    transform: scale(1.02);
}

.plan-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.plan-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition);
}

.plan-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.plan-description {
    font-size: 14px;
    color: var(--gray-600);
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin: 8px 0;
}

.price-amount {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 16px;
    color: var(--gray-500);
    font-weight: 500;
}

.plan-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-700);
}

.plan-features svg {
    flex-shrink: 0;
    color: var(--success);
}

.plan-select {
    text-align: center;
    padding: 12px;
    background: var(--gray-100);
    border-radius: 8px;
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition);
}

.plan-card input[type="radio"]:checked ~ .plan-content .plan-select {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
}

/* ========================================
   Forms
   ======================================== */
.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 16px;
    font-family: var(--font-family);
    transition: var(--transition);
    background: var(--white);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

input.valid {
    border-color: var(--success);
}

input.invalid {
    border-color: var(--error);
}

.subdomain-input {
    position: relative;
    display: flex;
    align-items: center;
}

.subdomain-input input {
    padding-right: 120px;
}

.subdomain-suffix {
    position: absolute;
    right: 16px;
    color: var(--gray-500);
    font-weight: 500;
    pointer-events: none;
}

.field-feedback {
    font-size: 14px;
    min-height: 20px;
    transition: var(--transition);
}

.field-feedback.success {
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 6px;
}

.field-feedback.error {
    color: var(--error);
    display: flex;
    align-items: center;
    gap: 6px;
}

.field-hint {
    font-size: 13px;
    color: var(--gray-500);
}

.password-strength {
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 4px;
}

.strength-bar {
    height: 100%;
    width: 0%;
    transition: var(--transition);
    border-radius: 2px;
}

.strength-bar.weak {
    width: 33%;
    background: var(--error);
}

.strength-bar.medium {
    width: 66%;
    background: var(--warning);
}

.strength-bar.strong {
    width: 100%;
    background: var(--success);
}

/* ========================================
   Social Proof & Billing Toggle
   ======================================== */
.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(5, 150, 105, 0.06) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 12px;
    margin-bottom: 32px;
    font-size: 15px;
    color: var(--gray-700);
    font-weight: 500;
}

.live-indicator {
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
        box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.1);
    }
}

.billing-toggle {
    display: flex;
    gap: 8px;
    padding: 5px;
    background: rgba(241, 245, 249, 0.8);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    margin-bottom: 20px;
}

.toggle-option {
    flex: 1;
    padding: 14px 28px;
    background: transparent;
    border: none;
    border-radius: 9px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-family);
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.toggle-option.active {
    background: var(--white);
    color: var(--gray-900);
    box-shadow:
        0 0 0 1px rgba(99, 102, 241, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.05);
}

.save-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 3px 10px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: var(--white);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.annual-total {
    text-align: center;
    margin-top: 8px;
    font-size: 13px;
}

.total-label {
    color: var(--gray-600);
    font-weight: 500;
}

.savings {
    color: var(--success);
    font-weight: 600;
    margin-left: 4px;
}

/* ========================================
   Coupon Code
   ======================================== */
.coupon-section {
    margin: 20px 0;
}

.coupon-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.6);
    border: 2px dashed rgba(99, 102, 241, 0.3);
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-family);
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.coupon-toggle:hover {
    border-color: var(--primary);
    border-style: solid;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.06);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.coupon-toggle svg {
    flex-shrink: 0;
}

.coupon-input-wrapper {
    margin-top: 16px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.coupon-input-group {
    display: flex;
    gap: 8px;
}

.coupon-input-group input {
    flex: 1;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 15px;
    font-family: var(--font-family);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.coupon-input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.btn-apply-coupon {
    padding: 14px 28px;
    background: var(--gray-800);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-apply-coupon:hover {
    background: var(--gray-900);
}

.coupon-feedback {
    margin-top: 8px;
    font-size: 14px;
    min-height: 20px;
}

.coupon-feedback.success {
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 6px;
}

.coupon-feedback.error {
    color: var(--error);
}

.coupon-applied {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 1px solid var(--success);
    border-radius: 8px;
    margin-top: 16px;
}

.coupon-applied-text {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--success);
    font-weight: 600;
    font-size: 14px;
}

.btn-remove-coupon {
    padding: 6px 12px;
    background: transparent;
    border: none;
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: underline;
}

.btn-remove-coupon:hover {
    color: var(--gray-900);
}

/* ========================================
   Buttons
   ======================================== */
.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 36px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 700;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    box-shadow:
        0 0 0 1px rgba(99, 102, 241, 0.1),
        0 4px 14px rgba(99, 102, 241, 0.3);
    width: 100%;
    letter-spacing: 0.01em;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 0 0 1px rgba(99, 102, 241, 0.2),
        0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    color: var(--gray-600);
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 16px;
}

.btn-back:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-skip {
    display: block;
    width: 100%;
    padding: 12px;
    background: transparent;
    color: var(--gray-600);
    border: none;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    margin-top: 16px;
    text-decoration: underline;
}

.btn-skip:hover {
    color: var(--gray-900);
}

/* ========================================
   Payment Options
   ======================================== */
.payment-options {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stripe-link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 24px;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.stripe-link-btn:hover {
    border-color: #00D66F;
    box-shadow: 0 4px 12px rgba(0, 214, 111, 0.2);
    transform: translateY(-2px);
}

.link-badge {
    position: absolute;
    top: -8px;
    right: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 2px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.or-divider {
    text-align: center;
    position: relative;
    margin: 8px 0;
}

.or-divider::before,
.or-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 60px);
    height: 1px;
    background: var(--gray-300);
}

.or-divider::before {
    left: 0;
}

.or-divider::after {
    right: 0;
}

.or-divider span {
    padding: 0 16px;
    background: var(--white);
    color: var(--gray-500);
    font-size: 14px;
    font-weight: 500;
}

.stripe-element {
    padding: 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    transition: var(--transition);
}

.stripe-element:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.payment-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray-600);
}

.stripe-logo {
    height: 20px;
}

/* ========================================
   Trust Badges
   ======================================== */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.trust-badges span {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

/* ========================================
   Success Screen
   ======================================== */
#stepSuccess {
    text-align: center;
}

.success-animation {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.success-checkmark {
    animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-details {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 24px;
    margin: 32px auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 600px;
    text-align: left;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--gray-700);
}

.detail-item svg {
    flex-shrink: 0;
}

.redirect-notice {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--gray-500);
}

/* ========================================
   Footer
   ======================================== */
.checkout-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--gray-500);
}

.checkout-footer a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.checkout-footer a:hover {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ========================================
   Loading States
   ======================================== */
.spinner {
    animation: spin 1s linear infinite;
}

.spinner-head {
    stroke-dasharray: 50;
    stroke-dashoffset: 0;
    animation: dash 1.5s ease-in-out infinite;
}

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

@keyframes dash {
    0% {
        stroke-dashoffset: 50;
    }
    50% {
        stroke-dashoffset: 12.5;
    }
    100% {
        stroke-dashoffset: 50;
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .checkout-card {
        padding: 32px 24px;
    }

    .checkout-title {
        font-size: 28px;
    }

    .plans-grid {
        grid-template-columns: 1fr;
    }

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

    .progress-container {
        padding: 0;
    }

    .step-label {
        font-size: 11px;
    }

    .step-circle {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .progress-line {
        margin: 0 8px;
    }

    .header-trust {
        display: none;
    }
}

@media (max-width: 480px) {
    .checkout-main {
        padding: 24px 16px 60px;
    }

    .checkout-card {
        padding: 24px 20px;
    }

    .checkout-title {
        font-size: 24px;
    }

    .checkout-subtitle {
        font-size: 14px;
    }

    .step-label {
        display: none;
    }

    .billing-toggle {
        flex-direction: column;
        gap: 8px;
    }

    .toggle-option {
        width: 100%;
    }
}

/* ========================================
   Exit Intent Modal
   ======================================== */
.exit-intent-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.exit-intent-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: 16px;
    padding: 48px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: slideUp 0.3s ease-out;
}

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

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    transition: var(--transition);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: 16px;
}

.modal-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 12px;
}

.modal-text {
    font-size: 16px;
    color: var(--gray-600);
    text-align: center;
    line-height: 1.6;
    margin-bottom: 32px;
}

.modal-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--gray-700);
}

.benefit-item svg {
    flex-shrink: 0;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    padding: 12px;
    text-decoration: underline;
    transition: var(--transition);
}

.btn-text:hover {
    color: var(--gray-900);
}

@media (max-width: 480px) {
    .modal-content {
        padding: 32px 24px;
    }

    .modal-title {
        font-size: 24px;
    }
}