/* ============================================================
   KeywordUp Renewal - Modern Responsive Design
   ============================================================ */

/* --- Reset & Variables --- */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #06d6a0;
    --accent-dark: #05b384;
    --dark: #0f172a;
    --gray-900: #1e293b;
    --gray-800: #334155;
    --gray-700: #475569;
    --gray-600: #64748b;
    --gray-400: #94a3b8;
    --gray-300: #cbd5e1;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f8fafc;
    --white: #ffffff;
    --naver: #03c75a;
    --naver-dark: #02b050;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-w: 1200px;
    --header-h: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul,
ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font: inherit;
}

input,
textarea,
select {
    font: inherit;
}

.rn-container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Header --- */
.rn-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: all var(--transition);
}

.rn-header.scrolled {
    border-bottom-color: var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.rn-header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rn-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.rn-logo svg {
    flex-shrink: 0;
}

.rn-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.rn-nav a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.938rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: all var(--transition);
    position: relative;
}

.rn-nav a:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.rn-nav-dropdown {
    position: relative;
}

.rn-nav-dropdown>a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    margin-left: 6px;
    vertical-align: middle;
    transition: transform var(--transition);
}

.rn-nav-dropdown:hover>a::after {
    transform: rotate(180deg);
}

.rn-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 8px;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.rn-nav-dropdown:hover .rn-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.rn-dropdown-menu a {
    display: block;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--gray-700);
    white-space: nowrap;
}

.rn-dropdown-menu a:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.rn-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.rn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-size: 0.938rem;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
}

.rn-btn-ghost {
    color: var(--gray-700);
}

.rn-btn-ghost:hover {
    background: var(--gray-100);
}

.rn-btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.rn-btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.rn-btn-naver {
    background: var(--naver);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(3, 199, 90, 0.3);
}

.rn-btn-naver:hover {
    background: var(--naver-dark);
    box-shadow: 0 4px 16px rgba(3, 199, 90, 0.4);
    transform: translateY(-1px);
}

.rn-btn-outline {
    border: 2px solid var(--gray-300);
    color: var(--gray-700);
    background: var(--white);
}

.rn-btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.rn-btn-lg {
    padding: 14px 32px;
    font-size: 1.063rem;
    border-radius: var(--radius);
}

.rn-btn-xl {
    padding: 18px 40px;
    font-size: 1.125rem;
    border-radius: var(--radius);
}

/* Mobile menu */
.rn-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.rn-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: all var(--transition);
}

.rn-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.rn-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.rn-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.rn-mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: 24px;
    overflow-y: auto;
    z-index: 999;
}

.rn-mobile-nav.active {
    display: block;
}

.rn-mobile-nav a {
    display: block;
    padding: 14px 0;
    font-size: 1.063rem;
    font-weight: 500;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
}

.rn-mobile-nav .rn-sub-links a {
    padding: 10px 0 10px 16px;
    font-size: 0.938rem;
    color: var(--gray-600);
    border-bottom: none;
}

.rn-mobile-nav .rn-btn {
    width: 100%;
    margin-top: 16px;
}

/* --- Hero --- */
.rn-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f0f5ff 0%, #e8f5e9 50%, #f0f5ff 100%);
    position: relative;
    overflow: hidden;
}

.rn-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.rn-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(3, 199, 90, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.rn-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.rn-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 100px;
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.rn-hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--naver);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.rn-hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.rn-hero h1 .highlight {
    color: var(--naver);
    position: relative;
}

.rn-hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 12px;
    background: rgba(3, 199, 90, 0.15);
    border-radius: 4px;
    z-index: -1;
}

.rn-hero p {
    font-size: 1.188rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 500px;
}

.rn-hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.rn-hero-stats {
    display: flex;
    gap: 40px;
}

.rn-hero-stat {
    text-align: left;
}

.rn-hero-stat strong {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.rn-hero-stat span {
    font-size: 0.813rem;
    color: var(--gray-600);
}

/* Hero visual */
.rn-hero-visual {
    position: relative;
}

.rn-hero-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.rn-hero-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.rn-hero-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
}

.rn-hero-card-badge {
    padding: 4px 12px;
    background: rgba(3, 199, 90, 0.1);
    color: var(--naver);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
}

.rn-bid-table {
    width: 100%;
}

.rn-bid-table thead th {
    padding: 10px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-600);
    text-align: left;
    border-bottom: 2px solid var(--gray-200);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rn-bid-table tbody td {
    padding: 14px 12px;
    font-size: 0.875rem;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.rn-bid-table tbody tr {
    transition: background var(--transition);
}

.rn-bid-table tbody tr:hover {
    background: var(--gray-50);
}

.rn-bid-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
}

.rn-bid-rank.top {
    background: var(--primary-light);
    color: var(--primary);
}

.rn-bid-rank.mid {
    background: var(--gray-100);
    color: var(--gray-600);
}

.rn-bid-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.rn-bid-status.active {
    background: rgba(3, 199, 90, 0.1);
    color: var(--naver);
}

.rn-bid-status .status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.rn-bid-price {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.rn-hero-float {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius);
    padding: 14px 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    font-size: 0.813rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: floatUp 3s ease-in-out infinite;
}

.rn-hero-float.float-1 {
    top: -10px;
    right: -20px;
    color: var(--naver);
}

.rn-hero-float.float-2 {
    bottom: 30px;
    left: -30px;
    color: var(--primary);
}

@keyframes floatUp {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

/* --- Section Common --- */
.rn-section {
    padding: 100px 0;
}

.rn-section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.rn-section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.813rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.rn-section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.3;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.rn-section-header p {
    font-size: 1.063rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.rn-section-alt {
    background: var(--gray-50);
}

/* --- Features --- */
.rn-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.rn-feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.rn-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity var(--transition);
}

.rn-feature-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.rn-feature-card:hover::before {
    opacity: 1;
}

.rn-feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.rn-feature-icon.blue {
    background: var(--primary-light);
    color: var(--primary);
}

.rn-feature-icon.green {
    background: rgba(6, 214, 160, 0.12);
    color: var(--accent-dark);
}

.rn-feature-icon.naver {
    background: rgba(3, 199, 90, 0.1);
    color: var(--naver);
}

.rn-feature-icon.orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.rn-feature-icon.red {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.rn-feature-icon.purple {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.rn-feature-card h3 {
    font-size: 1.188rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.rn-feature-card p {
    font-size: 0.938rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* --- How It Works --- */
.rn-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.rn-steps::before {
    content: '';
    position: absolute;
    top: 44px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--naver));
    z-index: 0;
}

.rn-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.rn-step-num {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
    position: relative;
}

.rn-step:nth-child(2) .rn-step-num {
    background: #6366f1;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.rn-step:nth-child(3) .rn-step-num {
    background: var(--accent);
    box-shadow: 0 4px 16px rgba(6, 214, 160, 0.3);
}

.rn-step:nth-child(4) .rn-step-num {
    background: var(--naver);
    box-shadow: 0 4px 16px rgba(3, 199, 90, 0.3);
}

.rn-step h3 {
    font-size: 1.063rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.rn-step p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* --- Pricing --- */
.rn-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.rn-pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.rn-pricing-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.04);
}

.rn-pricing-card.popular::before {
    content: 'BEST';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 20px;
    background: var(--primary);
    color: var(--white);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.rn-pricing-name {
    font-size: 1.063rem;
    font-weight: 700;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.rn-pricing-price {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 4px;
    letter-spacing: -1px;
}

.rn-pricing-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-600);
}

.rn-pricing-desc {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--gray-200);
}

.rn-pricing-features {
    text-align: left;
    margin-bottom: 32px;
}

.rn-pricing-features li {
    padding: 8px 0;
    font-size: 0.938rem;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 10px;
}

.rn-pricing-features li::before {
    content: '';
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(6, 214, 160, 0.12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2306d6a0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.rn-pricing-card .rn-btn {
    width: 100%;
    justify-content: center;
}

/* --- FAQ --- */
.rn-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.rn-faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
}

.rn-faq-item:hover {
    border-color: var(--gray-300);
}

.rn-faq-item.active {
    border-color: var(--primary);
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.08);
}

.rn-faq-q {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    background: var(--white);
    transition: background var(--transition);
}

.rn-faq-q:hover {
    background: var(--gray-50);
}

.rn-faq-q svg {
    flex-shrink: 0;
    transition: transform var(--transition);
    color: var(--gray-400);
}

.rn-faq-item.active .rn-faq-q svg {
    transform: rotate(180deg);
    color: var(--primary);
}

.rn-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.rn-faq-item.active .rn-faq-a {
    max-height: 300px;
}

.rn-faq-a-inner {
    padding: 0 24px 20px;
    font-size: 0.938rem;
    color: var(--gray-600);
    line-height: 1.8;
}

/* --- CTA --- */
.rn-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark) 0%, #1e3a5f 100%);
    position: relative;
    overflow: hidden;
}

.rn-cta::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.rn-cta-inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.rn-cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.rn-cta p {
    font-size: 1.125rem;
    color: var(--gray-400);
    margin-bottom: 36px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.rn-cta-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Contact Form --- */
.rn-contact {
    padding: 100px 0;
}

.rn-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.rn-contact-info h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
}

.rn-contact-info>p {
    font-size: 1.063rem;
    color: var(--gray-600);
    margin-bottom: 36px;
    line-height: 1.7;
}

.rn-contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rn-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.rn-contact-item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.rn-contact-item-text strong {
    display: block;
    font-size: 0.938rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.rn-contact-item-text span {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.rn-contact-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow);
}

.rn-form-group {
    margin-bottom: 20px;
}

.rn-form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.rn-form-group input,
.rn-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.938rem;
    color: var(--gray-800);
    background: var(--white);
    transition: all var(--transition);
    outline: none;
}

.rn-form-group input:focus,
.rn-form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.rn-form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.rn-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.rn-form-agree {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 20px;
}

.rn-form-agree input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.rn-form-agree a {
    color: var(--primary);
    text-decoration: underline;
}

/* --- Footer --- */
.rn-footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 32px;
}

.rn-footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.rn-footer-brand .rn-logo {
    color: var(--white);
    margin-bottom: 16px;
}

.rn-footer-brand p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--gray-400);
    max-width: 300px;
}

.rn-footer h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rn-footer-links a {
    display: block;
    padding: 5px 0;
    font-size: 0.875rem;
    color: var(--gray-400);
    transition: color var(--transition);
}

.rn-footer-links a:hover {
    color: var(--white);
}

.rn-footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.rn-footer-bottom p {
    font-size: 0.813rem;
    color: var(--gray-600);
}

.rn-footer-bottom-links {
    display: flex;
    gap: 24px;
}

.rn-footer-bottom-links a {
    font-size: 0.813rem;
    color: var(--gray-600);
    transition: color var(--transition);
}

.rn-footer-bottom-links a:hover {
    color: var(--white);
}

/* --- Animations --- */
.rn-fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.rn-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .rn-hero h1 {
        font-size: 2.5rem;
    }

    .rn-hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .rn-hero-visual {
        max-width: 560px;
        margin: 0 auto;
    }

    .rn-hero-float.float-1 {
        right: 0;
    }

    .rn-hero-float.float-2 {
        left: 0;
    }

    .rn-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .rn-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .rn-steps::before {
        display: none;
    }

    .rn-pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .rn-pricing-card.popular {
        transform: none;
    }

    .rn-contact-grid {
        grid-template-columns: 1fr;
    }

    .rn-footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .rn-nav,
    .rn-header-actions {
        display: none;
    }

    .rn-menu-toggle {
        display: flex;
    }

    .rn-hero {
        padding: 110px 0 60px;
    }

    .rn-hero h1 {
        font-size: 2rem;
    }

    .rn-hero p {
        font-size: 1rem;
    }

    .rn-hero-stats {
        gap: 24px;
    }

    .rn-hero-stat strong {
        font-size: 1.375rem;
    }

    .rn-hero-cta {
        flex-direction: column;
    }

    .rn-hero-cta .rn-btn {
        width: 100%;
        justify-content: center;
    }

    .rn-section {
        padding: 72px 0;
    }

    .rn-section-header h2 {
        font-size: 1.75rem;
    }

    .rn-features-grid {
        grid-template-columns: 1fr;
    }

    .rn-steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .rn-cta h2 {
        font-size: 1.75rem;
    }

    .rn-contact-form {
        padding: 24px;
    }

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

    .rn-footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .rn-footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .rn-hero h1 {
        font-size: 1.75rem;
    }

    .rn-hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .rn-bid-table thead th:nth-child(4),
    .rn-bid-table tbody td:nth-child(4) {
        display: none;
    }
}