/* ===== CSS Variables ===== */
:root {
    --primary-color: #00d4aa;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border-color: #2a2a3a;
    --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #06b6d4 50%, #8b5cf6 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 212, 170, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    box-sizing: border-box;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-cta {
    background: var(--gradient-primary);
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 212, 170, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    width: 100%;
    max-width: 800px;
    z-index: 1;
    text-align: center;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.hero-logo {
    width: 400px;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: var(--gradient-glow);
    filter: blur(100px);
    border-radius: 50%;
    z-index: -1;
}

/* ===== Section Styles ===== */
.section {
    padding: 100px 20px;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Goals Section ===== */
.goals-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 280px));
    gap: 20px;
    justify-content: center;
}

.goal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    min-width: 0;
    word-wrap: break-word;
    overflow: hidden;
    max-width: 280px;
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.goal-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 212, 170, 0.1);
}

.goal-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--bg-dark);
    margin-bottom: 16px;
}

.goal-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.goal-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* ===== Solution Section ===== */
.solution {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 280px));
    gap: 20px;
    justify-content: center;
}

.solution-card {
    background: rgba(18, 18, 26, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 0;
    max-width: 280px;
    word-wrap: break-word;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
}

.solution-icon {
    width: 45px;
    height: 45px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.solution-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.solution-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ===== How It Works Section ===== */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto 60px;
}

.step {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
}

.step:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 80px;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.performance-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.perf-stat {
    text-align: center;
}

.perf-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

/* ===== Team Section ===== */
.team {
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 280px));
    gap: 20px;
    justify-content: center;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
    width: 280px;
    height: 360px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.team-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.team-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 3px solid var(--primary-color);
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card h3 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.team-role {
    color: var(--primary-color);
    font-size: 0.9rem;
    display: block;
    margin-bottom: 12px;
}

.team-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.team-social a {
    width: 36px;
    height: 36px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.team-social a:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

/* ===== Roadmap Section ===== */
.roadmap-container {
    max-width: 800px;
    margin: 0 auto 60px;
    position: relative;
}

.roadmap-container::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.roadmap-item {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    position: relative;
}

.roadmap-marker {
    width: 60px;
    height: 60px;
    background: var(--bg-dark);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary-color);
    flex-shrink: 0;
    z-index: 1;
}

.roadmap-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    flex: 1;
    transition: all 0.3s ease;
}

.roadmap-content:hover {
    border-color: var(--primary-color);
}

.roadmap-date {
    display: inline-block;
    background: rgba(0, 212, 170, 0.1);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.roadmap-content h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.roadmap-content ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.roadmap-content li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.roadmap-content li i {
    color: var(--primary-color);
    font-size: 0.7rem;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 500px;
    margin: 0 auto;
}

.progress-label {
    color: var(--text-secondary);
    white-space: nowrap;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1s ease;
}

.progress-value {
    font-weight: 700;
    color: var(--primary-color);
}

/* ===== FAQ Section ===== */
.faq {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.faq-container {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    align-items: stretch;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
    width: 280px;
    height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.contact-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0 auto 20px;
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 500;
    transition: gap 0.3s ease;
}

.contact-link:hover {
    gap: 12px;
}

.investor-card {
    grid-column: span 1;
    text-align: left;
}

.investor-buttons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.investor-buttons .btn {
    flex: 1;
    justify-content: center;
    padding: 12px 20px;
    font-size: 0.9rem;
}

/* ===== Investor Section ===== */
.investor-section {
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
    padding: 100px 20px;
    margin-bottom: 0;
}

.investor-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 280px));
    gap: 20px;
    justify-content: center;
    margin-bottom: 0;
}

.investor-card.goal-card {
    width: 280px;
    height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 40px 20px;
    width: 100%;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
}

.footer-brand img {
    height: 30px;
    width: auto;
    max-width: 120px;
    display: inline-block;
}

.footer-social {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.3rem;
    transition: all 0.3s ease;
    padding: 0;
}

.footer-social a:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

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

/* Footer layout: enforce three-column arrangement (logo | center text | social icons) */
.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
    box-sizing: border-box;
}
.footer-content > .footer-brand {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex: 1 1 0;
}
.footer-content > .footer-copyright {
    flex: 1 1 0;
    text-align: center;
}
.footer-content > .footer-social {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    flex: 1 1 0;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    .footer-content > .footer-brand,
    .footer-content > .footer-social,
    .footer-content > .footer-copyright {
        justify-content: center;
        flex: none;
        width: 100%;
    }
}

@media (max-width: 1200px) {
    .goals-grid,
    .solution-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) {
    .goals-grid,
    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-content {
        max-width: 100%;
        margin-left: 0;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .investor-card {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 10px 0;
        font-size: 1.1rem;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        font-size: 2rem;
    }
    
    .performance-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .investor-buttons {
        flex-direction: column;
    }
}