/* Material Design v3 Variables */
:root {
    --primary-color: #2645ce;
    --primary-dark: #1a33a0;
    --background: #010101;
    --surface: #1a1a1a;
    --surface-variant: #2a2a2a;
    --text-primary: #FFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-disabled: rgba(255, 255, 255, 0.38);
    --border-color: rgba(255, 255, 255, 0.12);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(1, 1, 1, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.brand-text {
    transition: var(--transition);
}

.nav-brand a:hover .logo {
    transform: scale(1.05) rotate(5deg);
    filter: drop-shadow(0 0 8px rgba(38, 69, 206, 0.6));
}

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

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

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a:focus {
    color: var(--text-primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-menu a.active {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 80px;
    background: var(--background);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        #010101 0%,
        #0f0f2e 10%,
        #1a1a4e 20%,
        #2645ce 35%,
        #1a33a0 45%,
        #2645ce 55%,
        #1a1a4e 70%,
        #0f0f2e 85%,
        #010101 100%
    );
    background-size: 250% 250%;
    animation: gradientShift 8s ease infinite;
    opacity: 1;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -30%;
    width: 160%;
    height: 160%;
    background: radial-gradient(
        circle,
        rgba(38, 69, 206, 0.5) 0%,
        rgba(38, 69, 206, 0.3) 25%,
        rgba(38, 69, 206, 0.15) 45%,
        transparent 65%
    );
    animation: pulse 18s ease-in-out infinite;
    z-index: 0;
}

.hero-gradient-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(38, 69, 206, 0.35) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(38, 69, 206, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(38, 69, 206, 0.2) 0%, transparent 60%);
    animation: gradientOrbit 20s ease infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes gradientOrbit {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    25% {
        transform: translate(5%, -5%) scale(1.1);
        opacity: 0.9;
    }
    50% {
        transform: translate(-5%, 5%) scale(1.05);
        opacity: 0.95;
    }
    75% {
        transform: translate(3%, 3%) scale(1.08);
        opacity: 0.92;
    }
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1) rotate(0deg); 
        opacity: 0.8; 
    }
    33% { 
        transform: scale(1.2) rotate(120deg); 
        opacity: 1; 
    }
    66% { 
        transform: scale(1.1) rotate(240deg); 
        opacity: 0.9; 
    }
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 24px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 80px 20px;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* About Section */
.about {
    background-color: var(--surface);
}

.about-icon {
    text-align: center;
    margin-bottom: 2rem;
}

.about-icon .material-symbols-outlined {
    font-size: 4rem;
    color: var(--primary-color);
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 48;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Services Section */
.services {
    background-color: var(--background);
}

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

.service-card {
    background-color: var(--surface);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon .material-symbols-outlined {
    font-size: 3.5rem;
    color: var(--primary-color);
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 48;
    transition: var(--transition);
}

.service-card:hover .service-icon .material-symbols-outlined {
    transform: scale(1.1) rotate(5deg);
    color: var(--text-primary);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Why Us Section */
.why-us {
    background-color: var(--surface);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.why-us-item {
    background-color: var(--background);
    padding: 2rem;
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.why-us-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

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

.why-us-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Contact Section */
.contact {
    background-color: var(--background);
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(38, 69, 206, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background-color: var(--surface);
    border-top: 1px solid var(--border-color);
    padding: 3rem 20px 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.footer-logo {
    height: 35px;
    width: auto;
    transition: var(--transition);
}

.footer-logo:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px rgba(38, 69, 206, 0.6));
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--text-primary);
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-disabled);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--surface);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        border-bottom: 1px solid var(--border-color);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .logo {
        height: 32px;
    }

    .brand-text {
        font-size: 1.2rem;
    }

    .footer-logo {
        height: 30px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 60px 20px;
    }

    .service-card,
    .why-us-item {
        padding: 1.5rem;
    }
}

/* Smooth Scroll Animation */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .why-us-item {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease-out forwards;
    }

    .service-card:nth-child(1) { animation-delay: 0.1s; }
    .service-card:nth-child(2) { animation-delay: 0.2s; }
    .service-card:nth-child(3) { animation-delay: 0.3s; }
    .service-card:nth-child(4) { animation-delay: 0.4s; }
    .service-card:nth-child(5) { animation-delay: 0.5s; }
    .service-card:nth-child(6) { animation-delay: 0.6s; }

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