/* ===== CSS Variables ===== */
:root {
    --primary-bg: #0a192f;
    --secondary-bg: #112240;
    --tertiary-bg: #1d3557;
    --accent: #00d4ff;
    --accent-hover: #00b8e6;
    --text-primary: #e6f1ff;
    --text-secondary: #8892b0;
    --text-muted: #5a6a8a;
    --border-color: #233554;
    --gradient-start: #0a192f;
    --gradient-end: #112240;
    --shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Utility Classes ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--primary-bg);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

.btn-full {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem 0;
    background-color: transparent;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    color: var(--accent);
    font-size: 1.6rem;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

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

.hamburger::after {
    top: 8px;
}

.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
}

.hero-content {
    max-width: 800px;
    text-align: center;
    z-index: 2;
}

.hero-title {
    margin-bottom: 1rem;
}

.company-name {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.cyber-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: perspective(500px) rotateX(60deg) translateY(0);
    }
    100% {
        transform: perspective(500px) rotateX(60deg) translateY(50px);
    }
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
    background-color: var(--secondary-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--primary-bg);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background-color: var(--primary-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
}

.about-lead {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.feature-icon {
    color: var(--accent);
    font-weight: bold;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background-color: var(--secondary-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    display: inline;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background-color: var(--secondary-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 45px;
    height: 45px;
    min-width: 45px;
    background-color: rgba(0, 212, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

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

.contact-form {
    background-color: var(--primary-bg);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* ===== Footer ===== */
.footer {
    background-color: var(--primary-bg);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
    margin-bottom: 2rem;
}

.footer-brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--secondary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.social-link:hover {
    background-color: var(--accent);
    color: var(--primary-bg);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

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

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .contact-item {
        flex: 1;
        min-width: 200px;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--secondary-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

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

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    .company-name {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

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

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

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

    .stat {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
    }

    .contact-item {
        max-width: none;
        width: 100%;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .company-name {
        font-size: 2rem;
    }

    .hero {
        padding: 100px 15px 60px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .service-card {
        padding: 1.5rem;
    }
}