/* =============================================
   AxiomAI Premium Landing Page Styles
   Dark Theme with Cyan Accents
   ============================================= */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0d1117;
    --bg-card: rgba(13, 17, 23, 0.8);
    --bg-card-hover: rgba(20, 25, 35, 0.9);

    --accent-primary: #00d4ff;
    --accent-secondary: #1fb6d4;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --accent-subtle: rgba(0, 212, 255, 0.1);

    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #6b7280;

    --border-color: rgba(0, 212, 255, 0.2);
    --border-hover: rgba(0, 212, 255, 0.5);

    /* Gradients */
    --gradient-bg: linear-gradient(135deg, #0a1628 0%, #0d1117 50%, #0a0e1a 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #1fb6d4 50%, #00a8cc 100%);
    --gradient-text: linear-gradient(90deg, #00d4ff, #1fb6d4, #00d4ff);

    /* Spacing */
    --section-padding: 120px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* 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', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

/* Background Elements */
.bg-gradient {
    position: fixed;
    inset: 0;
    background: var(--gradient-bg);
    z-index: -3;
}

.bg-grid {
    position: fixed;
    inset: 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: 60px 60px;
    z-index: -2;
}

.bg-watermark {
    position: fixed;
    top: 5%;
    right: -5%;
    font-size: clamp(150px, 20vw, 350px);
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 212, 255, 0.05);
    letter-spacing: 0.1em;
    z-index: -1;
    pointer-events: none;
    user-select: none;
}

.geometric-lines {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.5;
}

.geometric-lines svg {
    width: 100%;
    height: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--accent-primary);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--accent-subtle);
}

.dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.7rem;
    margin-left: 4px;
    transition: var(--transition-fast);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-normal);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.dropdown-menu a:hover {
    color: var(--text-primary);
    background: var(--accent-subtle);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Buttons */
.btn-ghost {
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-accent);
    color: var(--bg-primary);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    background: var(--accent-subtle);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--accent-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.title-line {
    display: block;
    animation: fadeInUp 0.6s ease backwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.1s;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.gradient-text {
    background: var(--gradient-text);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }

    100% {
        background-position: 200% center;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fadeInUp 0.6s ease 0.5s backwards;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

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

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

/* Hero Illustration */
.hero-illustration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-card {
    position: absolute;
    padding: 16px 24px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 6s ease-in-out infinite;
    opacity: 0.8;
}

.floating-card .card-icon {
    font-size: 1.5rem;
}

.floating-card .card-text {
    font-size: 0.875rem;
    font-weight: 500;
}

.card-1 {
    top: 20%;
    left: 5%;
    animation-delay: 0s;
}

.card-2 {
    top: 30%;
    right: 8%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 25%;
    left: 10%;
    animation-delay: 4s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.floating-cube {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 1px solid var(--border-color);
    background: var(--accent-subtle);
    animation: rotateCube 20s linear infinite;
}

.cube-1 {
    top: 15%;
    right: 20%;
    animation-delay: 0s;
}

.cube-2 {
    bottom: 20%;
    right: 15%;
    width: 40px;
    height: 40px;
    animation-delay: 5s;
}

.cube-3 {
    top: 60%;
    left: 5%;
    width: 30px;
    height: 30px;
    animation-delay: 10s;
}

@keyframes rotateCube {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.illustration-main {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: center;
    opacity: 0.3;
}

.router-visual {
    display: flex;
    align-items: center;
    gap: 40px;
}

.router-core {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.core-ring {
    position: absolute;
    border: 1px solid var(--accent-primary);
    border-radius: 50%;
    animation: pulseRing 3s ease-in-out infinite;
}

.ring-1 {
    width: 100%;
    height: 100%;
    animation-delay: 0s;
}

.ring-2 {
    width: 75%;
    height: 75%;
    animation-delay: 0.5s;
}

.ring-3 {
    width: 50%;
    height: 50%;
    animation-delay: 1s;
}

@keyframes pulseRing {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.core-center {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--bg-primary);
}

/* Section Styles */
.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    padding: var(--section-padding);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    position: relative;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card.featured {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, var(--bg-card) 100%);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.feature-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-slow);
    pointer-events: none;
}

.feature-card:hover .feature-glow {
    opacity: 1;
}

/* How It Works Section */
.how-it-works {
    padding: var(--section-padding);
    background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.03) 50%, transparent 100%);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: grid;
    grid-template-columns: 80px 1fr 200px;
    gap: 32px;
    align-items: center;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: translateX(-30px);
    transition: var(--transition-normal);
}

.step.visible {
    opacity: 1;
    transform: translateX(0);
}

.step:hover {
    border-color: var(--border-hover);
}

.step-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-primary);
    opacity: 0.3;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.step-visual {
    display: flex;
    justify-content: flex-end;
}

.code-block {
    background: rgba(0, 0, 0, 0.4);
    padding: 16px;
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}

.code-block code {
    display: block;
    color: var(--accent-primary);
}

.analysis-visual {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.analysis-bar {
    height: 8px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    width: var(--width);
    font-size: 0.7rem;
    padding-left: 8px;
    line-height: 8px;
}

.routing-result {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tier-badge {
    padding: 8px 16px;
    background: var(--accent-subtle);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.savings {
    color: #22c55e;
    font-weight: 600;
}

.step-connector {
    width: 2px;
    height: 30px;
    background: var(--border-color);
    margin-left: 40px;
}

/* Tech Stack Section */
.tech-stack {
    padding: var(--section-padding);
}

.tech-cloud {
    position: relative;
    height: 400px;
}

.tech-item {
    position: absolute;
    left: var(--x);
    top: var(--y);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    opacity: 0;
    transform: scale(0.8);
    transition: var(--transition-normal);
    animation: techFloat 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.tech-item.visible {
    opacity: 1;
    transform: scale(1);
}

.tech-item:hover {
    border-color: var(--accent-primary);
    transform: scale(1.1);
    z-index: 10;
}

.tech-item.featured {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--accent-glow);
}

.tech-item img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.tech-item span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

@keyframes techFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* CTA Section */
.cta-section {
    padding: var(--section-padding);
}

.cta-card {
    position: relative;
    text-align: center;
    padding: 80px 40px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, var(--bg-card) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

.cta-card h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 32px;
    position: relative;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    padding: 6px 0;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    max-width: var(--container-width);
    margin: 60px auto 0;
    padding: 20px 24px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.mobile-menu-content a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .step {
        grid-template-columns: 60px 1fr;
    }

    .step-visual {
        display: none;
    }

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

@media (max-width: 768px) {

    .nav-links,
    .nav-actions {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

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

    .step {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .step-number {
        font-size: 2rem;
    }

    .tech-cloud {
        height: auto;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .tech-item {
        position: static;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .floating-card {
        display: none;
    }
}

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

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

    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }

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