/* ===================================
   Global Styles & Variables
   =================================== */
:root {
    --primary-color: #326CE5;
    --primary-dark: #1E4BA8;
    --primary-light: #4D8BF5;
    --secondary-color: #00D4FF;
    --accent-color: #84cc16;
    --success-color: #51CF66;
    
    --dark-bg: #0A0E27;
    --darker-bg: #050814;
    --card-bg: #121730;
    --card-hover: #1A2238;
    
    --text-primary: #FFFFFF;
    --text-secondary: #B4B9D1;
    --text-muted: #6B7194;
    
    --gradient-primary: linear-gradient(135deg, #326CE5 0%, #00D4FF 100%);
    --gradient-secondary: linear-gradient(135deg, #326CE5 0%, #84cc16 100%);
    
    --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 48px rgba(0, 0, 0, 0.25);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius: 12px;
    --border-radius-lg: 16px;
}

* {
    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;
    background-color: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    background: rgba(10, 14, 39, 0.98);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo i {
    color: var(--primary-color);
    font-size: 1.75rem;
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    text-decoration: none;
}

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

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

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

.nav-link-cta {
    background: var(--gradient-primary);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(50, 108, 229, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(50, 108, 229, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.15; }
}

.code-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(10, 14, 39, 0.92), rgba(10, 14, 39, 0.92)),
        url("data:image/svg+xml,%3Csvg width='1920' height='1080' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cstyle%3E .code%7Bfont-family:'Courier New',monospace;font-size:14px;fill:%23326CE5;opacity:0.15;%7D .code-alt%7Bfill:%2300D4FF;%7D .code-accent%7Bfill:%2384cc16;%7D %3C/style%3E%3C/defs%3E%3Ctext class='code' x='50' y='80'%3E%23 Salt State Configuration%3C/text%3E%3Ctext class='code' x='50' y='110'%3Enginx:%3C/text%3E%3Ctext class='code' x='70' y='140'%3Epkg.installed:%3C/text%3E%3Ctext class='code' x='90' y='170'%3E- name: nginx%3C/text%3E%3Ctext class='code' x='70' y='200'%3Eservice.running:%3C/text%3E%3Ctext class='code' x='90' y='230'%3E- enable: True%3C/text%3E%3Ctext class='code' x='90' y='260'%3E- require:%3C/text%3E%3Ctext class='code' x='110' y='290'%3E- pkg: nginx%3C/text%3E%3Ctext class='code-alt' x='800' y='100'%3E%23 Pillar Data%3C/text%3E%3Ctext class='code-alt' x='800' y='130'%3Edatabase:%3C/text%3E%3Ctext class='code-alt' x='820' y='160'%3Ehost: db.example.com%3C/text%3E%3Ctext class='code-alt' x='820' y='190'%3Euser: %7B%7B pillar['db_user'] %7D%7D%3C/text%3E%3Ctext class='code-alt' x='820' y='220'%3Epassword: %7B%7B pillar['db_pass'] %7D%7D%3C/text%3E%3Ctext class='code-accent' x='1400' y='150'%3E%23 Grains Targeting%3C/text%3E%3Ctext class='code-accent' x='1400' y='180'%3Esalt -G 'os:Ubuntu'%3C/text%3E%3Ctext class='code-accent' x='1400' y='210'%3E state.apply%3C/text%3E%3Ctext class='code-accent' x='1400' y='240'%3Esalt -G 'cpuarch:x86_64'%3C/text%3E%3Ctext class='code-accent' x='1400' y='270'%3E test.ping%3C/text%3E%3Ctext class='code' x='200' y='450'%3E%23 Reactor Configuration%3C/text%3E%3Ctext class='code' x='200' y='480'%3Ereactor:%3C/text%3E%3Ctext class='code' x='220' y='510'%3E- 'minion/*/start':%3C/text%3E%3Ctext class='code' x='240' y='540'%3E- /srv/reactor/start.sls%3C/text%3E%3Ctext class='code-alt' x='1100' y='450'%3E%23 Orchestration%3C/text%3E%3Ctext class='code-alt' x='1100' y='480'%3Eorchestrate_deploy:%3C/text%3E%3Ctext class='code-alt' x='1120' y='510'%3Esalt.state:%3C/text%3E%3Ctext class='code-alt' x='1140' y='540'%3E- tgt: 'web*'%3C/text%3E%3Ctext class='code-alt' x='1140' y='570'%3E- sls: apache%3C/text%3E%3Ctext class='code-accent' x='50' y='680'%3E%23 Event Bus - ZeroMQ%3C/text%3E%3Ctext class='code-accent' x='50' y='710'%3Esalt-call event.fire_master%3C/text%3E%3Ctext class='code-accent' x='70' y='740'%3E'%7B%22status%22: %22deployed%22%7D'%3C/text%3E%3Ctext class='code-accent' x='70' y='770'%3E'app/deployment/complete'%3C/text%3E%3Ctext class='code' x='900' y='750'%3E%23 Salt Master%3C/text%3E%3Ctext class='code' x='900' y='780'%3Esalt '*' test.ping%3C/text%3E%3Ctext class='code' x='900' y='810'%3Esalt '*' state.apply%3C/text%3E%3Ctext class='code-alt' x='1450' y='650'%3E%23 Minion Config%3C/text%3E%3Ctext class='code-alt' x='1450' y='680'%3Emaster: salt.example%3C/text%3E%3Ctext class='code-alt' x='1450' y='710'%3Eid: webserver-01%3C/text%3E%3Ctext class='code' x='400' y='900'%3E%23 State Apply with Targeting%3C/text%3E%3Ctext class='code' x='400' y='930'%3Esalt -G 'os:Ubuntu' state.apply nginx%3C/text%3E%3Ctext class='code' x='400' y='960'%3Esalt -C 'web* and G@os:CentOS' cmd.run 'uptime'%3C/text%3E%3C/svg%3E");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(50, 108, 229, 0.15), transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(0, 212, 255, 0.1), transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(50, 108, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(50, 108, 229, 0.4);
}

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

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

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}

.hero-wave path {
    fill: var(--darker-bg);
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.section-description {
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

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

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(50, 108, 229, 0.2);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(50, 108, 229, 0.3);
    background: var(--card-hover);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

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

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   Benefits Section
   =================================== */
.benefits-section {
    background: var(--dark-bg);
}

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

.benefit-card {
    background: linear-gradient(135deg, var(--card-bg), var(--darker-bg));
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: var(--secondary-color);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 1.5rem;
}

/* ===================================
   Comparison Table
   =================================== */
.comparison-wrapper {
    margin-top: 3rem;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.comparison-table tbody tr {
    transition: var(--transition-fast);
}

.comparison-table tbody tr:hover {
    background: var(--card-hover);
    transform: scale(1.01);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--primary-color);
}

.comparison-table td {
    color: var(--text-secondary);
}

.highlight-salt {
    font-weight: 700;
    color: var(--accent-color);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 6rem 0;
    background: var(--darker-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    height: fit-content;
}

.contact-info h3 {
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    min-width: 30px;
}

.contact-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.contact-item a {
    color: var(--primary-light);
}

.contact-item a:hover {
    color: var(--secondary-color);
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-badges {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
}

.badge-item i {
    color: var(--success-color);
}

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

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

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

.required {
    color: var(--danger-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--dark-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(50, 108, 229, 0.1);
}

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

.form-privacy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.form-privacy i {
    color: var(--success-color);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    display: none;
}

.form-message.success {
    background: rgba(81, 207, 102, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
    display: block;
}

.form-message.error {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    display: block;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-decoration: none;
}

.footer-logo i {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

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

.footer-col ul li a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
    text-decoration: none;
}

.footer-col ul li a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-contact i {
    color: var(--primary-color);
    font-size: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--primary-light);
    text-decoration: none;
}

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

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(50, 108, 229, 0.4);
}

/* ===================================
   Mobile Responsive
   =================================== */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

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

    .nav-menu li {
        margin: 1rem 0;
    }

    .hero {
        padding-top: 100px;
    }

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

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

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

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

    .comparison-wrapper {
        overflow-x: auto;
    }

    .comparison-table {
        min-width: 700px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .code-background {
        background-size: 150%;
        background-position: center;
    }
}

/* Tablet optimization */
@media (max-width: 1024px) and (min-width: 769px) {
    .code-background {
        background-size: 120%;
    }
}

/* Small mobile optimization */
@media (max-width: 480px) {
    .code-background {
        background-size: 200%;
        opacity: 0.8;
    }
}