:root {
    --bg-color: #0f0f11;
    --card-bg: #1a1a1e;
    --text-main: #f4f4f5;
    --text-muted: #a1a1aa;
    --primary: #F47521;
    --primary-hover: #ff8838;
    --nav-bg: rgba(15, 15, 17, 0.8);
    --border-color: #27272a;
}

body.light-mode {
    --bg-color: #fafafa;
    --card-bg: #ffffff;
    --text-main: #18181b;
    --text-muted: #52525b;
    --nav-bg: rgba(250, 250, 250, 0.8);
    --border-color: #e4e4e7;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    max-width: 1200px;
    margin: 0 auto;
    position: sticky;
    top: 0;
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary);
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.2rem;
    cursor: pointer;
    font-weight: 800;
    transition: transform 0.2s;
}

.icon-btn:hover {
    transform: scale(1.1);
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 70vh;
}

.hero-content {
    max-width: 50%;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--primary);
    color: #fff;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
}

.cta-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(244, 117, 33, 0.3);
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.02) rotate(1deg);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-muted);
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
}

.how-it-works-section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.step-number {
    background-color: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    margin: 0 auto 15px auto;
}

.step-card h4 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.step-card p {
    color: var(--text-muted);
}

.roadmap-section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.roadmap-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--primary);
    position: relative;
    display: flex;
    flex-direction: column;
}

.roadmap-card.pending,
.roadmap-card.planned {
    border: 1px solid var(--border-color);
    opacity: 0.85;
}

.roadmap-status {
    position: absolute;
    top: -15px;
    right: 20px;
    background-color: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 800;
}

.roadmap-card.pending .roadmap-status,
.roadmap-card.planned .roadmap-status {
    background-color: var(--border-color);
    color: var(--text-muted);
}

.roadmap-card h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
    margin-top: 10px;
}

.roadmap-badge {
    display: inline-block;
    align-self: flex-start;
    background-color: rgba(99, 102, 241, 0.15);
    color: #818cf8;
    border: 1px solid rgba(99, 102, 241, 0.3);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.roadmap-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

@media (max-width: 900px) {
    .roadmap-grid {
        grid-template-columns: 1fr;
    }
}

.faq-section {
    padding: 60px 5%;
    max-width: 800px;
    margin: 0 auto;
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.faq-btn {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    padding: 20px;
    text-align: left;
}

.faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
}

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

.faq-content {
    padding: 0 20px 20px 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.about-section {
    padding: 60px 5%;
    max-width: 900px;
    margin: 0 auto;
}

.about-card {
    background: linear-gradient(145deg, var(--card-bg), var(--bg-color));
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
}

.about-card h2 {
    margin-bottom: 20px;
    font-size: 2rem;
}

.about-card p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.support-section {
    padding: 60px 5%;
    text-align: center;
    margin-bottom: 60px;
}

.support-content {
    background-color: rgba(244, 117, 33, 0.1);
    border: 1px solid var(--primary);
    padding: 40px;
    border-radius: 20px;
    max-width: 700px;
    margin: 0 auto;
}

.support-content h2 {
    margin-bottom: 15px;
}

.support-content p {
    color: var(--text-muted);
    margin-bottom: 25px;
}

.support-button {
    display: inline-block;
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 10px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.support-button:hover {
    background-color: var(--primary);
    color: white;
}

.footer {
    text-align: center;
    padding: 30px 5%;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--primary-hover);
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 40px 5%;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 40px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
    margin-top: 20px;
}

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}

.submit-button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.submit-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}