/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --color-primary: #0066ff;
    --color-primary-dark: #0052cc;
    --color-accent: #00d4ff;
    --color-gold: #d4af37;
    --color-dark: #0a0a0a;
    --color-dark-secondary: #1a1a1a;
    --color-dark-tertiary: #2a2a2a;
    --color-light: #ffffff;
    --color-gray: #666666;
    --color-gray-light: #999999;
    --color-success: #00cc66;
    --color-error: #ff3366;

    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;

    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-light);
    background-color: var(--color-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

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

.nav-link {
    color: var(--color-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: var(--transition-smooth);
}

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

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

.nav-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    color: var(--color-light) !important;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--color-light);
    transition: var(--transition-smooth);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 0 4rem;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-secondary) 100%);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.title-line {
    display: block;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.title-line.accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray-light);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.6s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.8s forwards;
    opacity: 0;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-light);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.5);
}

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

.btn-secondary:hover {
    background: var(--color-light);
    color: var(--color-dark);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}


/* ===================================
   Services Section
   =================================== */
.services {
    padding: 8rem 0;
    background: var(--color-dark-secondary);
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-light), var(--color-gray-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray-light);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: var(--color-dark-tertiary);
    padding: 3rem 2rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

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

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 102, 255, 0.3);
    box-shadow: var(--shadow-xl);
}

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

.service-card.featured {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.1));
    border-color: rgba(0, 102, 255, 0.3);
}

.featured-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    transition: var(--transition-smooth);
}

.service-icon svg {
    width: 35px;
    height: 35px;
    color: var(--color-light);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-light);
}

.service-description {
    color: var(--color-gray-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.service-features li {
    color: var(--color-gray-light);
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 8rem 0;
    background: var(--color-dark);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.about-description {
    font-size: 1.15rem;
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--color-gray-light);
    font-size: 0.95rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.feature-item {
    position: relative;
    padding-left: 4rem;
}

.feature-number {
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
}

.feature-item h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--color-light);
}

.feature-item p {
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 8rem 0;
    background: var(--color-dark-secondary);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--color-light);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem 1.5rem;
    background: var(--color-dark-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--color-light);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.contact-form button {
    border: none;
    cursor: pointer;
    margin-top: 1rem;
    position: relative;
}

.btn-loading {
    display: none;
}

.contact-form button.loading .btn-text {
    display: none;
}

.contact-form button.loading .btn-loading {
    display: inline;
}

.form-message {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: rgba(0, 204, 102, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
    display: block;
}

.form-message.error {
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
    display: block;
}

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

.info-card {
    background: var(--color-dark-tertiary);
    padding: 3rem 2.5rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--color-light);
}

.info-card p {
    color: var(--color-gray-light);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-light);
}

.contact-detail svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-dark);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--color-gray-light);
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-column h4 {
    color: var(--color-light);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-column a {
    color: var(--color-gray-light);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* ===================================
   Process Section
   =================================== */
.process-section {
    padding: 8rem 0;
    background: var(--color-dark);
    position: relative;
}

.process-diagram {
    margin: 4rem 0;
    overflow-x: auto;
    padding: 2rem 0;
}

.migration-flow {
    width: 100%;
    max-width: 1200px;
    height: auto;
    margin: 0 auto;
    display: block;
}

.process-step {
    cursor: pointer;
    transition: var(--transition-smooth);
}

.process-step:hover circle {
    transform: scale(1.1);
    transform-origin: center;
    filter: brightness(1.2);
}

.process-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.process-card {
    background: var(--color-dark-secondary);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.process-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 102, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.process-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.process-card h3 {
    font-size: 1.4rem;
    color: var(--color-light);
    margin-bottom: 1rem;
}

.process-card p {
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* ===================================
   Technologies Section
   =================================== */
.technologies-section {
    padding: 8rem 0;
    background: var(--color-dark-secondary);
    position: relative;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.tech-category {
    background: var(--color-dark-tertiary);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-category h3 {
    font-size: 1.5rem;
    color: var(--color-light);
    margin-bottom: 2rem;
    text-align: center;
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
    background: var(--color-dark-secondary);
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.tech-item:hover {
    background: rgba(0, 102, 255, 0.1);
    transform: translateX(10px);
}

.tech-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.tech-item span {
    color: var(--color-light);
    font-size: 1rem;
    font-weight: 500;
}

/* ===================================
   Benefits Section
   =================================== */
.benefits-section {
    padding: 8rem 0;
    background: var(--color-dark);
    position: relative;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.benefit-card {
    background: var(--color-dark-secondary);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
}

.benefit-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 102, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.2);
}

.benefit-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
}

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

.benefit-card h3 {
    font-size: 1.5rem;
    color: var(--color-light);
    margin-bottom: 1rem;
    font-weight: 700;
}

.benefit-card p {
    color: var(--color-gray-light);
    line-height: 1.8;
    font-size: 1rem;
}

/* ===================================
   FAQ Section
   =================================== */
.faq-section {
    padding: 8rem 0;
    background: var(--color-dark-secondary);
    position: relative;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.faq-item {
    background: var(--color-dark-tertiary);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(0, 102, 255, 0.3);
    box-shadow: var(--shadow-md);
}

.faq-item h3 {
    font-size: 1.3rem;
    color: var(--color-light);
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.faq-item p {
    color: var(--color-gray-light);
    line-height: 1.8;
    font-size: 1rem;
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--color-dark);
        width: 100%;
        text-align: center;
        transition: var(--transition-smooth);
        padding: 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .hamburger {
        display: flex;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .btn {
        width: 100%;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
    }
}