:root {
    --bg-dark: #0a0f12;
    --bg-darker: #050809;
    --bg-card: rgba(0, 99, 107, 0.05);
    --border-glass: rgba(0, 185, 200, 0.1);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --brand-teal: #00636B;
    --brand-teal-light: #08B9C8;
    --brand-teal-dark: #00363B;
    
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

:root.light-theme {
    --bg-dark: #f8fafc;
    --bg-darker: #f1f5f9;
    --bg-card: #ffffff;
    --border-glass: rgba(0, 99, 107, 0.15);
    
    --text-main: #0f172a;
    --text-muted: #475569;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--brand-teal-light), var(--brand-teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-alt {
    background: linear-gradient(135deg, var(--accent-cyan), var(--brand-teal-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Nav */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 5%;
    background: rgba(5, 8, 9, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    z-index: 1000;
    transition: background 0.3s ease;
}

:root.light-theme .navbar {
    background: #f3f3f3;
}

.theme-switcher-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 0 0.5rem;
}
.theme-switcher-btn:hover {
    color: var(--brand-teal);
}

.logo-img {
    height: 70px;
    max-width: 220px;
    object-fit: contain;
    mix-blend-mode: screen;
    filter: contrast(1.2);
    transition: filter 0.3s ease, mix-blend-mode 0.3s ease;
}

:root.light-theme .logo-img {
    mix-blend-mode: normal;
    filter: none;
}

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

.nav-links a:not(.btn-primary) {
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover:not(.btn-primary) {
    color: var(--text-main);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--brand-teal-light), var(--brand-teal));
    color: #fff;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 99, 107, 0.3);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    padding: 6rem 5% 2rem;
    position: relative;
    overflow: hidden;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(8, 185, 200, 0.15) 0%, rgba(0, 99, 107, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    border-radius: 50%;
    filter: blur(60px);
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 1;
    text-align: left;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.hero h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
}

.hero-actions i {
    margin-left: 0.5rem;
}

/* Animations */
.animate-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

/* Products Section */
.products {
    padding: 6rem 5%;
    background: var(--bg-darker);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    background: rgba(255,255,255,0.05);
}

.icon-fintech { color: var(--accent-green); box-shadow: 0 0 20px rgba(16, 185, 129, 0.2); }
.icon-infra { color: var(--accent-cyan); box-shadow: 0 0 20px rgba(6, 182, 212, 0.2); }
.icon-agri { color: var(--accent-orange); box-shadow: 0 0 20px rgba(245, 158, 11, 0.2); }

.card-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
}

.fintech-badge { color: var(--accent-green); background: rgba(16, 185, 129, 0.1); }
.infra-badge { color: var(--accent-cyan); background: rgba(6, 182, 212, 0.1); }
.agri-badge { color: var(--accent-orange); background: rgba(245, 158, 11, 0.1); }

.product-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.product-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.card-link {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: opacity 0.3s ease;
}

.card-link:hover { opacity: 0.8; }
.fintech-link { color: var(--accent-green); }
.infra-link { color: var(--accent-cyan); }
.agri-link { color: var(--accent-orange); }

/* Features Section */
.features {
    padding: 6rem 5%;
}

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.features-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(8, 185, 200, 0.1), rgba(0, 99, 107, 0.1));
    color: var(--brand-teal-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    border: 1px solid rgba(8, 185, 200, 0.2);
}

.feature-item h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

/* Footer / Contact */
.footer {
    padding: 5rem 5% 2rem;
    background: var(--bg-darker);
    border-top: 1px solid var(--border-glass);
}

.footer-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 5rem;
}

.footer-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.footer-cta p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.btn-large {
    font-size: 1.1rem;
    padding: 0.8rem 2rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    color: var(--text-muted);
    font-size: 0.9rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

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

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero { flex-direction: column; padding-top: 8rem; text-align: center; }
    .hero-content { text-align: center; }
    .hero-actions { flex-direction: column; justify-content: center; }
    .hero p { margin-inline: auto; }
    .hero h1 { font-size: 2.5rem; }
    .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
}

/* Subpages */
.hero-small {
    min-height: 40vh;
    padding-top: 10rem;
    align-items: flex-start;
}

.page-content {
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 40vh;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-glass);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--brand-teal-light);
}