/* ================================================================
   ComplianceFlow AI — Premium Design System
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500&display=swap');

:root {
    /* Core Palette */
    --bg-deep: #020617;
    --bg-surface: #0f172a;
    --bg-card: rgba(15, 23, 42, 0.6);
    --glass: rgba(15, 23, 42, 0.45);
    --glass-border: rgba(148, 163, 184, 0.08);
    --glass-border-hover: rgba(148, 163, 184, 0.18);

    /* Accent Gradient */
    --primary: #818cf8;
    --primary-bright: #6366f1;
    --secondary: #c084fc;
    --accent-pink: #f472b6;
    --accent-cyan: #22d3ee;
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(168,85,247,0.08) 100%);
    --primary-glow: rgba(99, 102, 241, 0.25);
    --secondary-glow: rgba(168, 85, 247, 0.2);

    /* Text */
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --section-gap: 8rem;
    --card-radius: 20px;
    --card-radius-lg: 28px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--bg-deep);
    color: var(--text);
    font-family: var(--font-main);
    overflow-x: hidden;
    line-height: 1.7;
}

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

/* ================================================================
   Animated Mesh Background
   ================================================================ */
.mesh-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.mesh-bg .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    animation: orbFloat 20s ease-in-out infinite alternate;
}

.mesh-bg .orb-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, #6366f1, transparent 70%);
    top: -15%; right: -10%;
    animation-duration: 25s;
}

.mesh-bg .orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #a855f7, transparent 70%);
    bottom: -20%; left: -8%;
    animation-duration: 30s;
    animation-delay: -5s;
}

.mesh-bg .orb-3 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #ec4899, transparent 70%);
    top: 40%; left: 50%;
    animation-duration: 22s;
    animation-delay: -10s;
    opacity: 0.2;
}

.mesh-bg .grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
}

@keyframes orbFloat {
    0%   { transform: translate(0, 0) scale(1); }
    33%  { transform: translate(40px, -30px) scale(1.05); }
    66%  { transform: translate(-30px, 20px) scale(0.95); }
    100% { transform: translate(20px, -10px) scale(1.02); }
}

/* ================================================================
   Navigation
   ================================================================ */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 0;
    backdrop-filter: blur(20px);
    background: rgba(2, 6, 23, 0.6);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.3s, box-shadow 0.3s;
}

nav.scrolled {
    background: rgba(2, 6, 23, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-hero);
    transition: width 0.3s;
    border-radius: 1px;
}

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

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

/* ================================================================
   Buttons
   ================================================================ */
.btn-primary {
    background: var(--gradient-hero);
    color: white;
    border: none;
    padding: 0.8rem 1.8rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 4px 20px var(--primary-glow);
    font-family: var(--font-main);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow), 0 0 60px rgba(99,102,241,0.15);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border-hover);
    color: var(--text);
    padding: 0.8rem 1.8rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: border-color 0.3s, background 0.3s, transform 0.2s;
    font-family: var(--font-main);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.2rem;
    font-size: 1.05rem;
}

/* ================================================================
   Hero Section
   ================================================================ */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    background: var(--gradient-subtle);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease-out;
}

.hero-badge .badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-cyan);
    animation: pulseGlow 2s infinite;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -2.5px;
    line-height: 1.08;
    margin-bottom: 1.8rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

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

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* ================================================================
   Metrics Bar
   ================================================================ */
.metrics-bar {
    padding: 3rem 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.metric-item {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--card-radius);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    transition: border-color 0.3s;
}

.metric-item:hover {
    border-color: var(--glass-border-hover);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    font-weight: 500;
}

/* ================================================================
   How It Works
   ================================================================ */
.how-section {
    padding: var(--section-gap) 0;
}

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

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-bright), var(--secondary), var(--accent-pink));
    opacity: 0.15;
    z-index: 0;
}

.step-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(16px);
    transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
}

.step-card:hover {
    transform: translateY(-8px);
    border-color: var(--glass-border-hover);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px var(--primary-glow);
}

.step-number {
    width: 52px;
    height: 52px;
    background: var(--gradient-hero);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.3rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 24px var(--primary-glow);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.step-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    letter-spacing: -0.3px;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ================================================================
   Agent Demo
   ================================================================ */
.demo-section {
    padding: var(--section-gap) 0;
}

.demo-card {
    max-width: 860px;
    margin: 0 auto;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius-lg);
    padding: 0;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.demo-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.demo-dots {
    display: flex;
    gap: 6px;
}

.demo-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.demo-dots span:nth-child(1) { background: #ef4444; }
.demo-dots span:nth-child(2) { background: #f59e0b; }
.demo-dots span:nth-child(3) { background: #22c55e; }

.demo-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.demo-body {
    padding: 1.5rem 2rem 2rem;
}

.terminal {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 14px;
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    height: 300px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.04);
    scrollbar-width: thin;
    scrollbar-color: var(--glass-border) transparent;
}

.terminal::-webkit-scrollbar {
    width: 4px;
}

.terminal::-webkit-scrollbar-thumb {
    background: var(--glass-border-hover);
    border-radius: 4px;
}

.line {
    margin-bottom: 0.4rem;
    opacity: 0;
    transform: translateX(-8px);
    animation: fadeInSlide 0.3s forwards;
    line-height: 1.5;
}

@keyframes fadeInSlide {
    to { opacity: 1; transform: translateX(0); }
}

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

.btn-action {
    background: var(--gradient-hero);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    font-family: var(--font-main);
    transition: transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 4px 20px var(--primary-glow);
}

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

.btn-action:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}

.pulse {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 10px #22c55e;
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0%   { transform: scale(1); opacity: 1; }
    50%  { transform: scale(1.6); opacity: 0.4; }
    100% { transform: scale(1); opacity: 1; }
}

/* ================================================================
   Frameworks Section
   ================================================================ */
.frameworks-section {
    padding: 4rem 0 2rem;
}

.frameworks-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.framework-chip {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1.4rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    backdrop-filter: blur(12px);
    transition: border-color 0.3s, color 0.3s;
}

.framework-chip:hover {
    border-color: var(--primary);
    color: var(--text);
}

.framework-chip .chip-icon {
    font-size: 1.1rem;
}

/* ================================================================
   Pricing
   ================================================================ */
.pricing-section {
    padding: var(--section-gap) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.pricing-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    backdrop-filter: blur(16px);
    transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--glass-border-hover);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
    border: 2px solid var(--primary-bright);
    transform: scale(1.04);
    box-shadow: 0 25px 70px rgba(99, 102, 241, 0.15);
}

.pricing-card.featured:hover {
    transform: scale(1.04) translateY(-8px);
}

.price-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-hero);
    padding: 0.3rem 1.2rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.pricing-card .tier-name {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.pricing-card .tier-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.price {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.3rem;
    letter-spacing: -1.5px;
}

.price-suffix {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.pricing-card ul {
    list-style: none;
    margin: 1.5rem 0 2rem;
    text-align: left;
}

.pricing-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.pricing-card li::before {
    content: '✓';
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
    width: 100%;
}

/* ================================================================
   CTA Section
   ================================================================ */
.cta-section {
    padding: var(--section-gap) 0;
}

.cta-card {
    background: var(--gradient-subtle);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius-lg);
    padding: 4rem 3rem;
    text-align: center;
    backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 70% 30%, rgba(99,102,241,0.08) 0%, transparent 50%);
    animation: orbFloat 20s linear infinite;
}

.cta-card h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 1rem;
    position: relative;
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 2rem;
    position: relative;
}

.cta-card .btn-primary {
    position: relative;
}

/* ================================================================
   Footer
   ================================================================ */
footer {
    padding: 3rem 0;
    border-top: 1px solid var(--glass-border);
}

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

.footer-left {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}

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

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

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Shimmer effect on featured card */
.pricing-card.featured::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(99, 102, 241, 0.03) 45%,
        rgba(99, 102, 241, 0.05) 50%,
        rgba(99, 102, 241, 0.03) 55%,
        transparent 60%
    );
    animation: shimmer 6s infinite linear;
    pointer-events: none;
}

@keyframes shimmer {
    0%   { transform: translate(-60%, -60%) rotate(0deg); }
    100% { transform: translate(60%, 60%) rotate(0deg); }
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr 1fr;
    }

    .pricing-card.featured {
        grid-column: 1 / -1;
        max-width: 420px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --section-gap: 5rem;
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .hero h1 {
        letter-spacing: -1.5px;
    }

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

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

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .steps-grid::before {
        display: none;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        max-width: none;
    }

    .nav-links a:not(:last-child) {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .cta-card {
        padding: 3rem 1.5rem;
    }

    .demo-body {
        padding: 1.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.2rem;
    }

    .metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.8rem;
    }

    .metric-value {
        font-size: 2rem;
    }

    .frameworks-row {
        gap: 1rem;
    }
}