:root {
    --bg-color: #0b0f19;
    --text-color: #ffffff;
    --text-muted: #94a3b8;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --primary: #3b82f6;
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --text-color: #0f172a;
    --text-muted: #64748b;
    --card-bg: #ffffff;
    --border-color: rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navbar */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .header {
    background: rgba(248, 250, 252, 0.85);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    align-items: flex-start;
}

.logo-svg-wrapper {
    display: flex;
    align-items: center;
}

.logo-svg {
    color: var(--text-color);
    overflow: visible;
}

.logo-sub {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-top: -2px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

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

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle, .lang-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.theme-toggle:hover, .lang-toggle:hover {
    border-color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: #2563eb;
}

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

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

/* Hero Section */
.hero {
    padding: 80px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-badge, .section-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-family: 'Sora', sans-serif;
    font-size: 3rem;
    line-height: 1.2;
    margin: 0 0 20px 0;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.hero-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.trust-items {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Hero Visual Mockup */
.hero-visual {
    position: relative;
}

.browser-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.browser-top {
    background: rgba(0,0,0,0.05);
    padding: 12px 15px;
    display: flex;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
}

.browser-top span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
}

.browser-content {
    padding: 20px;
}

.mockup-header {
    height: 30px;
    background: var(--border-color);
    border-radius: 6px;
    margin-bottom: 15px;
}

.mockup-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 10px;
}

.mockup-card {
    height: 100px;
    background: var(--border-color);
    border-radius: 6px;
}

.mockup-card.large {
    grid-row: span 2;
    height: 210px;
}

.floating-card {
    position: absolute;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    backdrop-filter: blur(5px);
}

.card-one { top: -20px; right: 20px; }
.card-two { bottom: 30px; left: -20px; }
.card-three { bottom: -20px; right: 40px; }

/* Sections General */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    font-family: 'Sora', sans-serif;
    font-size: 2.2rem;
    margin: 0 0 15px 0;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin: 0;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    border-radius: 16px;
    transition: transform 0.2s, border-color 0.2s;
}

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

.service-icon {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-card h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1.25rem;
    margin: 0 0 15px 0;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.2s;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.portfolio-info {
    padding: 25px;
}

.portfolio-category {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-info h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1.15rem;
    margin: 8px 0 10px 0;
}

.portfolio-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

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

.testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-quote {
    color: #f59e0b;
    font-size: 1.1rem;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-color);
    font-style: italic;
    margin: 0 0 25px 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 42px;
    height: 42px;
    background: var(--primary);
    color: white;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.author-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
}

.author-role {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 50px;
    border-radius: 24px;
}

.contact-info h2 {
    font-family: 'Sora', sans-serif;
    font-size: 2rem;
    margin: 10px 0 15px 0;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.contact-details-box {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-icon-label {
    font-size: 1.2rem;
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-val {
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95k;
}

.contact-form-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    font-weight: 600;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
}

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

.btn-full {
    width: 100%;
    padding: 14px;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    background: rgba(0,0,0,0.02);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    z-index: 999;
    font-weight: bold;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Responsive queries */
@media (max-width: 968px) {
    .hero-grid, .services-grid, .portfolio-grid, .testimonials-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .nav {
        display: none;
    }
    .hero h1 {
        font-size: 2.3rem;
    }
}