:root {
    --primary-cyan: #64ffda;
    --secondary-blue: #48cae4;
    --dark-navy: #0f0f1e;
    --dark-purple: #1a1a2e;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --error-red: #ff6464;
    --warning-orange: #ffc864;
    --success-green: #64ff8c;
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-purple) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(100, 255, 218, 0.2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-cyan);
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo:hover {
    color: var(--secondary-blue);
}

.by-text {
    color: #ffffff;
    font-weight: 400;
    font-size: 0.6em;
    vertical-align: super;
    margin-left: 4px;
}

.elevation-logo {
    height: 40px;
    width: auto;
    margin-left: 6px;
    vertical-align: middle;
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-cyan);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 6rem 2rem;
    text-align: center;
    background: radial-gradient(circle at center, rgba(100, 255, 218, 0.1) 0%, transparent 70%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--primary-cyan);
    animation: fadeInUp 1s ease;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.4s both;
    justify-content: center;
    margin: 0 auto;
    max-width: 600px;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-cyan), var(--secondary-blue));
    color: var(--dark-navy);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-cyan);
    border: 2px solid var(--primary-cyan);
}

.btn-secondary:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease 0.6s both;
}

.hero-img {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    border-radius: 12px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 0 60px rgba(100, 255, 218, 0.2),
        inset 0 0 120px rgba(100, 255, 218, 0.1);
    object-fit: cover;
    position: relative;
}

/* Section Styles */
section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin: 0 auto 4rem;
    max-width: 800px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-cyan);
    border-bottom: 2px solid rgba(100, 255, 218, 0.3);
    padding-bottom: 10px;
    margin-top: 0;
}

.section-description {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 10px auto;
    line-height: 1.6;
}

/* About Section */
.about {
    background: transparent;
    padding: 4rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin: 20px auto 0;
    max-width: 1200px;
}

.about-card {
    background: rgba(26, 26, 46, 0.6);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.about-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--primary-cyan);
}

.about-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.card-logo {
    height: 100px;
    width: auto;
    filter: brightness(1.1);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 10px;
    margin-top: 20px;
    color: var(--primary-cyan);
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 10px 0;
}

/* Services Section */
.services {
    background: transparent;
    padding: 4rem 0;
    margin: 4rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 0 auto;
    max-width: 1200px;
}

.service-item {
    padding: 20px;
    background: rgba(26, 26, 46, 0.6);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.service-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--primary-cyan);
}

.service-item a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--secondary-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--dark-navy);
    font-size: 2rem;
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
}

.service-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-cyan);
}

.service-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: transparent;
    padding: 4rem 0;
}

.contact-form {
    max-width: 600px;
    margin: 20px auto 0;
    background: rgba(26, 26, 46, 0.6);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 4px;
    font-size: 14px;
    background: #0a0a14;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: inherit;
    box-sizing: border-box;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 5px rgba(100, 255, 218, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Footer */
.footer {
    background: rgba(26, 26, 46, 0.95);
    border-top: 1px solid rgba(100, 255, 218, 0.2);
    padding: 2rem 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    margin-bottom: .5rem;
}

.footer-section {
    text-align: center;
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary-cyan);
}

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

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-cyan);
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.social-link {
    padding: 8px 16px;
    background: rgba(26, 26, 46, 0.8);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--primary-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: .5rem;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    color: var(--text-secondary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        height: 60px;
        padding: 0 1rem;
    }

    .logo {
        font-size: 1.4rem;
    }

    .elevation-logo {
        height: 30px;
    }

    .by-text {
        font-size: 0.5em;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: rgba(26, 26, 46, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.3);
        padding: 2rem 0;
        gap: 0;
        backdrop-filter: blur(10px);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1rem 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .placeholder-image {
        width: 100%;
        max-width: 400px;
        height: 250px;
    }

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

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .about-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
        margin: 1.5rem 0;
        padding: 0 1rem;
    }

    .btn {
        padding: 8px 16px;
        font-size: 14px;
    }

    section {
        padding: 60px 0;
    }

    .about-card,
    .service-item {
        padding: 15px;
    }
    
    .contact-form {
        padding: 15px;
    }

    .nav-container {
        height: 50px;
        padding: 0 0.75rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .elevation-logo {
        height: 24px;
    }

    .by-text {
        font-size: 0.45em;
        margin-left: 2px;
    }

    .nav-menu {
        top: 50px;
        padding: 1.5rem 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer {
        padding: 2rem 0;
    }

    .social-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Scroll behavior */
html {
    scroll-behavior: smooth;
}