:root {
    --bg-color: #0c0c0e;
    --alt-bg: #141417;
    --text-color: #e2e2e7;
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.4);
    --secondary-color: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --alt-bg: #f1f5f9;
    --text-color: #1e293b;
    --secondary-color: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --accent-glow: rgba(99, 102, 241, 0.2);
}

/* Force Light Text on Dark Hero/Navbar regardless of Theme */
.navbar,
.hero {
    --text-color: #e2e2e7;
    --secondary-color: #e2e2e7;
    /* Match title color for menu & paragraph */
    color: var(--text-color);
}

/* Theme Toggle */
.theme-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--secondary-color);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border-radius: 50%;
}

.theme-btn:hover {
    color: var(--text-color);
    background: var(--glass-bg);
}

.sun-icon {
    display: none;
}

[data-theme="light"] .sun-icon {
    display: block;
}

[data-theme="light"] .moon-icon {
    display: none;
}


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

html {
    scroll-behavior: smooth;
}

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

.no-scroll {
    overflow: hidden;
}

h1,
h2,
h3,
.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(12, 12, 14, 0.85);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: url('hero_innovation.png') no-repeat center center/cover;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(12, 12, 14, 0.95) 0%, rgba(12, 12, 14, 0.4) 50%, rgba(12, 12, 14, 0.9) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.accent {
    color: var(--accent-color);
    position: relative;
}

.hero p {
    font-size: 1.25rem;
    color: var(--secondary-color);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--accent-color);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-secondary {
    display: inline-block;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    margin-left: 1rem;
}

.btn-secondary:hover {
    background: var(--glass-bg);
}

.btn-primary.large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: 8rem 0;
}

.alt-bg {
    background-color: var(--alt-bg);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

/* Project Cards */
.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    transition: var(--transition);
}

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

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    padding: 3rem;
}

.project-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.tag {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    margin-top: 1.5rem;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 100px;
}

/* Services */
.services-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.service-item {
    margin-bottom: 2.5rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--glass-border);
    transition: var(--transition);
}

.service-item:hover {
    border-left-color: var(--accent-color);
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.service-item p {
    color: var(--secondary-color);
}

.services-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--secondary-color);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-family: 'Outfit', sans-serif;
}

.stat-label {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.8rem;
    color: var(--secondary-color);
}

/* Contact Card */
.contact-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 5rem;
    border-radius: 20px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card p {
    margin-bottom: 2.5rem;
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.contact-details {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    gap: 3rem;
    font-size: 0.9rem;
}

.contact-details a {
    color: var(--text-color);
    text-decoration: none;
}

/* Footer */
.footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hamburger Animation */
.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Responsive Styles */
@media (max-width: 992px) {

    .project-card,
    .services-wrapper,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        gap: 3rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .services-image {
        display: none;
    }

    .services-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        background-color: var(--bg-color);
        /* Fallback */
        background: rgba(12, 12, 14, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        z-index: 1000;
        gap: 3rem;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.5rem;
    }

    .contact-card {
        padding: 3rem 1.5rem;
    }

    .contact-details {
        flex-direction: column;
        gap: 1rem;
    }

    .navbar .logo {
        z-index: 1002;
        /* Keep logo above menu if desired, or let menu cover it. Usually logo stays visible. */
        position: relative;
    }
}