:root {
    --primary-color: #00c2ff;
    --primary-hover: #0095d9;
    --accent-color: #ff3e6e;
    --text-color: #ffffff;
    --text-light: #a0a8b8;
    --bg-light: #0a0e17;
    --bg-dark: #141a29;
    --bg-white: #1a2235;
    --border-color: #2a344a;
    --success: #2ecc71;
    --warning: #f1c40f;
    --danger: #e74c3c;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
.main-header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 0 1.5rem;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Rajdhani', 'Inter', sans-serif;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    z-index: 1001;
}

.rl-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    transition: var(--transition);
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
    white-space: nowrap;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
    padding: 10px;
    background: none;
    border: none;
    outline: none;
}

.hamburger-box {
    width: 30px;
    height: 20px;
    display: inline-block;
    position: relative;
}

.hamburger-inner {
    display: block;
    top: 50%;
    margin-top: -2px;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    width: 30px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    position: absolute;
    transition: transform 0.15s ease;
}

.hamburger-inner::before,
.hamburger-inner::after {
    content: '';
    display: block;
}

.hamburger-inner::before {
    top: -8px;
}

.hamburger-inner::after {
    bottom: -8px;
}

/* Active state */
.hamburger.active .hamburger-inner {
    transform: rotate(45deg);
}

.hamburger.active .hamburger-inner::before {
    transform: translateY(8px) rotate(0);
    opacity: 0;
}

.hamburger.active .hamburger-inner::after {
    transform: translateY(-8px) rotate(-90deg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        max-width: 100%;
        height: 100vh;
        background-color: rgba(26, 34, 53, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
        z-index: 1000;
        overflow-y: auto;
    }

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

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 1.1rem;
        border-radius: 6px;
        transition: all 0.2s ease;
    }

    .nav-links a:hover,
    .nav-links a.active {
        background-color: rgba(0, 194, 255, 0.1);
    }

    .nav-links a::after {
        display: none;
    }
}

/* Hero Section */
.design-credits {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
    font-weight: 500;
}

.hero {
    background-size: cover;
    background-blend-mode: overlay;
    background-position: center;
    background-attachment: fixed;
    color: white;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(0, 194, 255, 0.15);
    box-shadow: inset 0 -20px 30px -10px rgba(0, 0, 0, 0.3);
}

.hero.hero-small {
    min-height: 50vh;
    padding: 7rem 2rem 4rem;
    justify-content: center;
    background-attachment: fixed;
    box-shadow: inset 0 -15px 25px -8px rgba(0, 0, 0, 0.25);
}

.hero.hero-small h1 {
    font-size: 2.75rem;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.hero.hero-small .subtitle {
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.95;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iMTAwIiBoZWlnaHQ9IjEwMCIgcGF0dGVyblVuaXRzPSJ1c2VyU3BhY2VPblVzZSIgcGF0dGVyblRyYW5zZm9ybT0icm90YXRlKDQ1KSI+PHJlY3Qgd2lkdGg9IjUwJSIgaGVpZ2h0PSI1MCUiIGZpbGw9InJnYmEoMjU1LDI1NSwyNTUsMC4wNSkiLz48L3BhdHRlcm4+PC9kZWZzPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9InVybCgjcGF0dGVybikiLz48L3N2Zz4=');
    opacity: 0.3;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
    line-height: 1.2;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sections */
.section {
    padding: 5rem 0;
    position: relative;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 700;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    padding: 0 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.6;
    padding: 0 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 194, 255, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: rgba(26, 34, 53, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 194, 255, 0.1);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.2);
    border-color: rgba(0, 194, 255, 0.3);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover::before {
    opacity: 1;
}

.project-img {
    height: 200px;
    background-color: #1e293b;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(0, 194, 255, 0.1);
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-img::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0) 100%);
}

.project-content {
    padding: 1.75rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    font-weight: 600;
}

.project-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tag {
    background-color: #1e293b;
    color: #cbd5e1;
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #334155;
    transition: var(--transition);
}

.tag:hover {
    background-color: #334155;
    color: #f8fafc;
    transform: translateY(-1px);
    border-color: #475569;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 0.9375rem;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
}

.btn i {
    font-size: 1.1em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0066ff);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 194, 255, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0066ff, var(--primary-color));
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 194, 255, 0.4);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-outline {
    background: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--primary-color);
    transition: var(--transition);
    z-index: -1;
}

.btn-outline:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 194, 255, 0.2);
}

.btn-outline:hover::before {
    width: 100%;
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 194, 255, 0.4);
    background: linear-gradient(135deg, #00c2ff, #0066ff);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: rgba(0, 194, 255, 0.1);
    border-color: var(--accent-color);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 62, 110, 0.2);
}

/* Footer */
.main-footer {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    color: #f8fafc;
    padding: 6rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iMTAwIiBoZWlnaHQ9IjEwMCIgcGF0dGVyblVuaXRzPSJ1c2VyU3BhY2VPblVzZSIgcGF0dGVyblRyYW5zZm9ybT0icm90YXRlKDQ1KSI+PHJlY3Qgd2lkdGg9IjUwJSIgaGVpZ2h0PSI1MCUiIGZpbGw9InJnYmEoMjU1LDI1NSwyNTUsMC4wNSkiLz48L3BhdHRlcm4+PC9kZWZzPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9InVybCgjcGF0dGVybikiLz48L3N2Zz4=');
    opacity: 0.2;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    color: white;
    margin-bottom: 1.75rem;
    font-size: 1.35rem;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.footer-section p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.social-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 0.25rem 0;
}

.footer-section ul a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* Particle Background Effect */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    pointer-events: none;
    animation: float-particle 15s infinite linear;
}

@keyframes float-particle {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .hero .subtitle {
        font-size: 1.15rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-links {
        background: rgba(10, 14, 23, 0.98);
        padding: 2rem;
        flex-direction: column;
        align-items: center;
        z-index: 1000;
        border-bottom: 1px solid rgba(0, 194, 255, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
    
    .hamburger {
        display: block;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 6px;
        padding: 0.5rem;
    }
    
    .hero {
        padding: 10rem 0 6rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

.project-card {
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

.project-card:nth-child(2) { animation-delay: 0.1s; }
.project-card:nth-child(3) { animation-delay: 0.2s; }
.project-card:nth-child(4) { animation-delay: 0.3s; }