/* ===== CSS Variables & Reset ===== */
:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(22, 28, 45, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --primary-buyer: #00e676;
    --primary-seller: #00b0ff;
    --text-main: #f8fafc;
    --text-muted: #c0d0e0;
    --text-secondary: #94a3b8;
    --font-family: 'Outfit', sans-serif;
    --transition-speed: 0.3s;
    --shadow-color: rgba(0, 0, 0, 0.6);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 230, 118, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 176, 255, 0.04) 0%, transparent 40%);
}

/* ===== Focus Indicators for Accessibility ===== */
a:focus-visible, 
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-seller);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-seller);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-buyer);
}

/* ===== Header / Navbar ===== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background var(--transition-speed);
}

header.scrolled {
    background: rgba(11, 15, 25, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary-buyer), var(--primary-seller));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: transform var(--transition-speed);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-buyer), var(--primary-seller));
    transition: width var(--transition-speed);
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-panel {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main) !important;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    transition: all var(--transition-speed);
}

.btn-panel:hover {
    background: var(--text-main);
    color: var(--bg-color) !important;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.btn-panel::after {
    display: none !important;
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-main);
    transition: all var(--transition-speed);
    border-radius: 2px;
}

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

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

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

/* ===== Hero Section ===== */
.hero {
    padding: 10rem 2rem 6rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero h1 span.buyer-text {
    color: var(--primary-buyer);
    text-shadow: 0 0 30px rgba(0, 230, 118, 0.2);
}

.hero h1 span.seller-text {
    color: var(--primary-seller);
    text-shadow: 0 0 30px rgba(0, 176, 255, 0.2);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-buyer), var(--primary-seller));
    color: var(--bg-color);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
    transition: all var(--transition-speed);
    border: none;
    cursor: pointer;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 230, 118, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
    transition: all var(--transition-speed);
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.05);
}

/* ===== Mockup Container ===== */
.mockup-container {
    max-width: 1100px;
    margin: 4rem auto;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: rgba(15, 22, 36, 0.8);
    padding: 0.75rem;
    box-shadow: 0 30px 60px var(--shadow-color);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.mockup-bar {
    height: 12px;
    display: flex;
    gap: 6px;
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.mockup-img {
    width: 100%;
    border-radius: 8px;
    display: block;
    min-height: 200px;
    background: #121824;
    object-fit: cover;
    transition: transform var(--transition-speed);
}

.mockup-img:hover {
    transform: scale(1.005);
}

.mockup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.mockup-grid .mockup-img {
    min-height: 300px;
}

/* ===== Comparison Section ===== */
.comparison-section {
    max-width: 1000px;
    margin: 6rem auto;
    padding: 0 2rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.comparison-section h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    font-weight: 800;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    min-width: 600px;
}

th, td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 800;
    color: var(--text-main);
}

td {
    color: var(--text-secondary);
}

.check-ok { 
    color: var(--primary-buyer); 
    font-weight: bold;
}

.check-no { 
    color: #ef4444; 
}

.comparison-highlight {
    background: rgba(0, 176, 255, 0.05);
}

/* ===== Pricing Section ===== */
.pricing-section {
    max-width: 1200px;
    margin: 6rem auto;
    padding: 0 2rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.pricing-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.pricing-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 4rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.price-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all var(--transition-speed);
    position: relative;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.price-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.15);
}

.price-card.popular {
    border-color: rgba(0, 176, 255, 0.4);
    box-shadow: 0 10px 30px rgba(0, 176, 255, 0.15);
}

.price-card.popular:hover {
    box-shadow: 0 15px 40px rgba(0, 176, 255, 0.25);
}

.badge-popular {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: var(--primary-seller);
    color: var(--bg-color);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
    animation: pulseBadge 2s infinite;
}

@keyframes pulseBadge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.price-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.price-card .price {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.price-card .price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.price-card ul {
    list-style: none;
    margin-bottom: 2.5rem;
}

.price-card ul li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.price-card ul li::before {
    content: "✓";
    color: var(--primary-buyer);
    font-weight: bold;
    font-size: 1.2rem;
}

.btn-card {
    width: 100%;
    padding: 0.85rem;
    border-radius: 8px;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.02);
    transition: all var(--transition-speed);
    display: block;
}

.btn-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.price-card.popular .btn-card {
    background: var(--primary-seller);
    color: var(--bg-color);
    border: none;
}

.price-card.popular .btn-card:hover {
    background: #0091ea;
    box-shadow: 0 4px 20px rgba(0, 176, 255, 0.3);
}

.btn-more-plans-container {
    text-align: center;
    margin-top: 2rem;
}

/* ===== Testimonials Section ===== */
.testimonials-section {
    max-width: 1200px;
    margin: 6rem auto;
    padding: 0 2rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.testimonials-section h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    font-weight: 800;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all var(--transition-speed);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.15);
}

.testimonial-card .stars {
    color: #fbbf24;
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.testimonial-card blockquote {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--text-main);
}

.testimonial-card .role {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Contact Section ===== */
.contact-section {
    max-width: 600px;
    margin: 6rem auto;
    padding: 0 2rem;
    animation: fadeInUp 0.8s ease-out 1s both;
}

.contact-section h2 {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 800;
}

.contact-section p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    background: rgba(15, 22, 36, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-speed);
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-seller);
    box-shadow: 0 0 0 3px rgba(0, 176, 255, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
}

.form-group .error-message {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 0.3rem;
    display: none;
}

.form-group .error-message.visible {
    display: block;
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-buyer), var(--primary-seller));
    color: var(--bg-color);
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 230, 118, 0.3);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-submit.loading {
    color: transparent;
}

.btn-submit.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.form-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    display: none;
    animation: fadeInUp 0.3s ease-out;
}

.form-message.success {
    background: rgba(0, 230, 118, 0.1);
    color: var(--primary-buyer);
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 9999;
    max-width: 400px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--primary-buyer);
}

.toast.error {
    border-color: #ef4444;
}

/* ===== Footer ===== */
footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem;
    background: rgba(11, 15, 25, 0.95);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-main);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-links a:hover {
    color: var(--text-main);
}

.footer-copy {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Animations for scroll ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(11, 15, 25, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

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

    .mockup-grid .mockup-img {
        min-height: 200px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 3rem;
    }

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

    .footer-links {
        justify-content: center;
    }

    .toast {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .cta-group {
        flex-direction: column;
        align-items: center;
    }

    .cta-group .btn-primary,
    .cta-group .btn-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}