/* SlotBids - Clean Marketing Website */

:root {
    /* Primary - Just blue and green */
    --color-primary: #3B82F6;
    --color-primary-dark: #2563EB;
    --color-success: #22C55E;
    --color-danger: #EF4444;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-gray-950: #030712;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --container-max: 1140px;
    --section-padding: 100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-300);
    background: var(--color-gray-950);
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4, h5, h6 {
    color: var(--color-white);
    font-weight: 600;
    line-height: 1.3;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--color-gray-300);
    border: 1px solid var(--color-gray-700);
}

.btn-outline:hover {
    color: white;
    border-color: var(--color-gray-500);
    background: var(--color-gray-800);
}

.btn-white {
    background: white;
    color: var(--color-gray-900);
}

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

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* Badges */
.badge {
    display: inline-flex;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
    background: var(--color-gray-800);
    color: var(--color-gray-300);
    border: 1px solid var(--color-gray-700);
}

.badge-blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    border-color: rgba(59, 130, 246, 0.2);
}

.badge-green {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
    border-color: rgba(34, 197, 94, 0.2);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background 0.3s ease;
}

.nav.scrolled {
    background: rgba(3, 7, 18, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-800);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.nav-logo:hover {
    color: white;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-400);
    transition: color 0.2s;
}

.nav-link:hover {
    color: white;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: white;
    transition: all 0.2s;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-gray-950);
    border-bottom: 1px solid var(--color-gray-800);
    padding: 16px 24px;
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-gray-300);
    padding: 12px 0;
}

/* Hero */
.hero {
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

.gradient-text {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-gray-400);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 48px;
}

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

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 14px;
    color: var(--color-gray-500);
}

.stat-divider {
    width: 1px;
    background: var(--color-gray-800);
}

/* Bidding Demo */
.bidding-demo {
    display: flex;
    gap: 20px;
    background: var(--color-gray-900);
    border-radius: 16px;
    border: 1px solid var(--color-gray-800);
    padding: 24px;
}

.demo-slot {
    flex: 0 0 200px;
    display: flex;
    flex-direction: column;
}

.demo-slot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.demo-slot-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.demo-slot-size {
    font-size: 11px;
    color: var(--color-gray-500);
    background: var(--color-gray-800);
    padding: 4px 8px;
    border-radius: 4px;
}

.demo-slot-preview {
    background: var(--color-gray-800);
    border: 2px dashed var(--color-gray-700);
    border-radius: 8px;
    aspect-ratio: 300/250;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.demo-ad-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-gray-600);
}

.demo-ad-placeholder span {
    font-size: 12px;
    font-weight: 500;
}

.demo-slot-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.demo-slot-position {
    font-size: 13px;
    font-weight: 500;
    color: white;
}

.demo-slot-floor {
    font-size: 11px;
    color: var(--color-gray-500);
}

.demo-bids {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.demo-bids-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.demo-bids-title {
    font-size: 14px;
    font-weight: 600;
    color: white;
}

.demo-bids-badge {
    font-size: 11px;
    color: var(--color-gray-400);
    background: var(--color-gray-800);
    padding: 4px 10px;
    border-radius: 12px;
}

.demo-bids-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.demo-bid {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--color-gray-800);
    border-radius: 8px;
    border: 1px solid transparent;
}

.demo-bid-winner {
    background: rgba(34, 197, 94, 0.08);
    border-color: rgba(34, 197, 94, 0.2);
}

.demo-bid-rank {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-700);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-400);
}

.demo-bid-winner .demo-bid-rank {
    background: var(--color-success);
    color: white;
}

.demo-bid-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.demo-bid-name {
    font-size: 13px;
    font-weight: 500;
    color: white;
}

.demo-bid-status {
    font-size: 11px;
    color: var(--color-gray-500);
}

.demo-bid-winner .demo-bid-status {
    color: var(--color-success);
    font-weight: 500;
}

.demo-bid-amount {
    text-align: right;
}

.demo-bid-value {
    font-size: 15px;
    font-weight: 600;
    color: white;
}

.demo-bid-winner .demo-bid-value {
    color: var(--color-success);
}

.demo-bid-period {
    font-size: 11px;
    color: var(--color-gray-500);
}

.demo-bids-explain {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    background: var(--color-gray-800);
    border-radius: 8px;
    margin-top: auto;
}

.demo-bids-explain svg {
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 1px;
}

.demo-bids-explain span {
    font-size: 12px;
    color: var(--color-gray-400);
    line-height: 1.5;
}

/* Sections */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: 36px;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-gray-400);
}

/* Problem Section */
.problem {
    padding: var(--section-padding) 0;
    background: var(--color-gray-900);
}

.problem-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.problem-desc {
    font-size: 17px;
    color: var(--color-gray-400);
    line-height: 1.8;
    margin-bottom: 32px;
}

.problem-desc strong {
    color: var(--color-danger);
}

.problem-stats {
    display: flex;
    gap: 16px;
}

.problem-stat {
    flex: 1;
    padding: 20px;
    background: rgba(239, 68, 68, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(239, 68, 68, 0.1);
    text-align: center;
}

.problem-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-danger);
}

.problem-stat-label {
    font-size: 12px;
    color: var(--color-gray-500);
}

/* Money Flow */
.money-flow {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background: var(--color-gray-800);
    border-radius: 12px;
}

.flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--color-gray-900);
    border-radius: 8px;
    min-width: 80px;
}

.flow-item span {
    font-size: 11px;
    color: var(--color-gray-500);
}

.flow-item.your-site .flow-icon { color: var(--color-primary); }
.flow-item.big-guys .flow-icon { color: var(--color-danger); }
.flow-item.you .flow-icon { color: var(--color-gray-600); }
.flow-item.you.good .flow-icon { color: var(--color-success); }

.flow-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--color-gray-600);
}

.flow-arrow.bad { color: var(--color-danger); }
.flow-arrow.good { color: var(--color-success); }

.flow-percent {
    font-size: 11px;
    font-weight: 600;
}

/* Solution Section */
.solution {
    padding: var(--section-padding) 0;
    background: var(--color-gray-950);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solution-visual .money-flow {
    background: rgba(34, 197, 94, 0.05);
    border: 1px solid rgba(34, 197, 94, 0.1);
}

.solution-text .section-label {
    color: var(--color-success);
}

.solution-desc {
    font-size: 17px;
    color: var(--color-gray-400);
    line-height: 1.8;
    margin-bottom: 24px;
}

.solution-benefits {
    list-style: none;
}

.solution-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--color-gray-300);
    padding: 10px 0;
}

.solution-benefits svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* Features */
.features {
    padding: var(--section-padding) 0;
    background: var(--color-gray-900);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 24px;
    background: var(--color-gray-800);
    border-radius: 10px;
    border: 1px solid var(--color-gray-700);
    transition: border-color 0.2s;
}

.feature-card:hover {
    border-color: var(--color-gray-600);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-gray-700);
    border-radius: 8px;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.feature-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 14px;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* Bidding */
.bidding {
    padding: var(--section-padding) 0;
    background: var(--color-gray-950);
}

.bidding-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.bidding-card {
    position: relative;
    padding: 28px;
    background: var(--color-gray-900);
    border-radius: 12px;
    border: 1px solid var(--color-gray-800);
}

.bidding-featured {
    border-color: var(--color-primary);
}

.bidding-coming {
    opacity: 0.6;
}

.bidding-badge {
    position: absolute;
    top: -10px;
    left: 20px;
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--color-primary);
    color: white;
    border-radius: 4px;
}

.bidding-badge.coming {
    background: var(--color-gray-700);
}

.bidding-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-gray-800);
    border-radius: 10px;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.bidding-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.bidding-subtitle {
    font-size: 13px;
    color: var(--color-gray-500);
    margin-bottom: 14px;
}

.bidding-desc {
    font-size: 14px;
    color: var(--color-gray-400);
    line-height: 1.6;
    margin-bottom: 14px;
}

.bidding-best {
    padding: 12px;
    background: var(--color-gray-800);
    border-radius: 6px;
    margin-bottom: 14px;
}

.best-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
}

.best-value {
    display: block;
    font-size: 12px;
    color: var(--color-gray-400);
    margin-top: 4px;
}

.bidding-features {
    list-style: none;
}

.bidding-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-gray-500);
    padding: 6px 0;
}

.bidding-features svg {
    color: var(--color-success);
}

/* How It Works */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--color-gray-900);
}

.steps-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.step {
    text-align: center;
    max-width: 200px;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    background: var(--color-primary);
    color: white;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50%;
}

.step-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-desc {
    font-size: 14px;
    color: var(--color-gray-500);
}

/* Pricing */
.pricing {
    padding: var(--section-padding) 0;
    background: var(--color-gray-950);
}

.pricing-card-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}

.pricing-card {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background: var(--color-gray-900);
    border-radius: 16px;
    border: 1px solid var(--color-gray-800);
    text-align: center;
}

.pricing-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
}

.pricing-tagline {
    font-size: 14px;
    color: var(--color-gray-500);
    margin-bottom: 24px;
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 32px;
}

.price-currency {
    font-size: 24px;
    color: var(--color-gray-400);
}

.price-value {
    font-size: 56px;
    font-weight: 700;
    color: white;
}

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

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 14px;
    color: var(--color-gray-300);
    border-bottom: 1px solid var(--color-gray-800);
}

.pricing-features li:last-child {
    border-bottom: none;
}

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

.pricing-note {
    font-size: 12px;
    color: var(--color-gray-500);
    margin-top: 16px;
}

/* Comparison */
.comparison-title {
    font-size: 24px;
    text-align: center;
    margin-bottom: 32px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.comparison-item {
    display: flex;
    gap: 14px;
    padding: 20px;
    background: var(--color-gray-900);
    border-radius: 10px;
}

.comparison-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 8px;
    color: var(--color-danger);
    flex-shrink: 0;
}

.comparison-content h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.comparison-content p {
    font-size: 13px;
    color: var(--color-gray-500);
}

/* FAQ */
.faq {
    padding: var(--section-padding) 0;
    background: var(--color-gray-900);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    padding: 24px;
    background: var(--color-gray-800);
    border-radius: 10px;
}

.faq-question {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 10px;
    color: white;
}

.faq-answer {
    font-size: 14px;
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* CTA */
.cta {
    padding: 80px 0;
    background: var(--color-primary);
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: 32px;
    margin-bottom: 12px;
}

.cta-subtitle {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 28px;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--color-gray-950);
    border-top: 1px solid var(--color-gray-900);
}

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

.footer-tagline {
    font-size: 14px;
    color: var(--color-gray-500);
    margin-top: 16px;
    max-width: 280px;
}

.footer-links h4 {
    font-size: 13px;
    font-weight: 600;
    color: white;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 14px;
    color: var(--color-gray-500);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--color-gray-900);
    display: flex;
    justify-content: space-between;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-gray-600);
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid,
    .bidding-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-badge {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .bidding-demo {
        flex-direction: column;
    }

    .demo-slot {
        flex: none;
        flex-direction: row;
        gap: 16px;
        align-items: center;
    }

    .demo-slot-preview {
        width: 120px;
        aspect-ratio: 1;
        margin-bottom: 0;
    }

    .demo-slot-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        margin-bottom: 8px;
    }

    .problem-content,
    .solution-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .solution-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links,
    .nav-actions {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 32px;
    }

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

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

    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .comparison-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .demo-slot {
        flex-direction: column;
    }

    .demo-slot-preview {
        width: 100%;
        max-width: 200px;
        aspect-ratio: 300/250;
    }

    .demo-bid-name {
        font-size: 12px;
    }

    .demo-bid-value {
        font-size: 14px;
    }

    .problem-stats {
        flex-direction: column;
    }

    .money-flow {
        flex-direction: column;
    }

    .flow-arrow svg {
        transform: rotate(90deg);
    }
}