/* =========================================
   Unified Design System - PixelPulse Media
   ========================================= */

:root {
    /* Color Palette */
    --bg-dark: #030305;
    --surface-dark: #0a0a0e;
    --surface-light: #12121a;
    --surface-glass: rgba(18, 18, 26, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    /* Typography */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Accents & Gradients */
    --accent-primary: #6366f1;
    --accent-secondary: #d946ef;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #d946ef 100%);
    --accent-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #c026d3 100%);
    --accent-glow: rgba(217, 70, 239, 0.5);
    --accent-glow-blue: rgba(99, 102, 241, 0.5);
    
    /* Utilities */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 9999px;
    
    /* Layout */
    --max-width: 1300px;
    --nav-height: 80px;
    --banner-height: 40px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* =========================================
   Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

/* =========================================
   Global Elements
   ========================================= */
.demo-banner {
    background: #ef4444;
    color: white;
    text-align: center;
    height: var(--banner-height);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

/* Background Effects */
.bg-glow-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -2;
    pointer-events: none;
}

.bg-glow-1, .bg-glow-2 {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    animation: moveGlow 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.bg-glow-1 {
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: var(--accent-secondary);
}

.bg-glow-2 {
    bottom: -10%;
    left: -10%;
    width: 700px;
    height: 700px;
    background: var(--accent-primary);
    animation-delay: -5s;
}

@keyframes moveGlow {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-50px, 50px) scale(1.1); }
    100% { transform: translate(50px, -50px) scale(0.9); }
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    font-family: inherit;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: 0.6s ease;
}

.btn:hover::after {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 8px 25px rgba(217, 70, 239, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(217, 70, 239, 0.5);
}

.btn-secondary {
    background: var(--surface-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

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

/* Header & Navigation */
.header {
    position: fixed;
    top: var(--banner-height);
    left: 0;
    width: 100%;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    z-index: 999;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(3, 3, 5, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.04em;
    z-index: 1001; /* Above mobile menu */
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px var(--accent-glow-blue);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

.mobile-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Main Content Padding */
main {
    padding-top: calc(var(--nav-height) + var(--banner-height));
    min-height: 100vh;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 100px 0 40px;
    background: rgba(3, 3, 5, 0.6);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(217, 70, 239, 0.5), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 80px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin: 24px 0;
    max-width: 320px;
    font-size: 1.05rem;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(217, 70, 239, 0.3);
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
}

.footer-links a::before {
    content: '→';
    margin-right: 8px;
    color: var(--accent-secondary);
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition-smooth);
}

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

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(3, 3, 5, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        opacity: 0;
        pointer-events: none;
        transition: var(--transition-smooth);
        z-index: 1000;
    }

    .nav-links.active {
        opacity: 1;
        pointer-events: all;
    }

    .nav-links a {
        font-size: 1.5rem;
        font-weight: 600;
    }

    .nav-actions .btn {
        display: none; /* Hide primary CTA in nav on mobile */
    }

    .mobile-toggle {
        display: flex;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* =========================================
   Page Specific & Component Styles
   ========================================= */

/* Hero Section */
.hero {
    min-height: calc(100vh - var(--nav-height) - var(--banner-height));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 0;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--surface-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.hero-badge span {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    max-width: 1000px;
    margin-bottom: 30px;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 50px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Section Formatting */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-secondary);
}

/* Feature Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.card {
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255, 255, 255, 0.05), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
    pointer-events: none;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    background: var(--surface-glass);
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 30px;
    transition: var(--transition-smooth);
}

.card:hover .card-icon {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* CTA Section Bottom */
.cta-box {
    background: linear-gradient(180deg, var(--surface-light) 0%, var(--surface-dark) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin: 60px 0;
}

.cta-box::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: var(--accent-gradient);
    filter: blur(150px);
    opacity: 0.15;
    border-radius: 50%;
}

.cta-box h2 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 24px;
}

.cta-box p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Pricing specific */
.pricing-card.popular {
    transform: scale(1.05);
    border-color: var(--accent-secondary);
    background: linear-gradient(180deg, rgba(217, 70, 239, 0.05) 0%, var(--surface-dark) 100%);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 30px rgba(217, 70, 239, 0.1);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

/* Contact Form Specific */
.form-input {
    width: 100%;
    padding: 18px 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-secondary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 4px rgba(217, 70, 239, 0.1);
}

textarea.form-input {
    min-height: 160px;
    resize: vertical;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--text-secondary);
}