/*
 * NuestroTec - Premium Cosmic Tech Design System
 * Upgraded styles for nuestrotec.com
 * Inspiration: Vercel, Stripe, Linear.app aesthetics.
 */

/* Import Premium Sans-Serif Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #030712; /* Deep space black */
    --bg-secondary: #090d1f; /* Dark space navy */
    --bg-tertiary: #0f1530; /* Mid space blue */
    --accent-cyan: #06b6d4; /* Neon cyan */
    --accent-blue: #3b82f6; /* Electric blue */
    --accent-indigo: #6366f1; /* Indigo glow */
    --accent-purple: #a855f7; /* Vibrant purple */
    --accent-emerald: #10b981; /* Mint emerald */
    --text-primary: #f9fafb; /* Crisp white */
    --text-secondary: #9ca3af; /* Light slate gray */
    --text-muted: #4b5563; /* Dark slate gray */
    --card-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-hover-border: rgba(99, 102, 241, 0.4);
    --transition-spring: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

/* Global Reset & Base Styling */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

/* Base Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #ffffff;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-spring);
}

a:hover {
    color: var(--accent-purple);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-indigo);
}

/* Background Cosmic Radial Glows */
body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 15% 70%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.04) 0%, transparent 60%);
    background-attachment: fixed;
    z-index: -1;
    pointer-events: none;
}

/* Grid Line Accents */
.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.004) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.004) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -2;
    pointer-events: none;
}

/* Glassmorphism Panels */
.glass-panel {
    background: var(--card-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 
        0 4px 30px rgba(0, 0, 0, 0.4),
        inset 0 1px 1px rgba(255, 255, 255, 0.05);
    transition: var(--transition-spring);
}

.glass-panel:hover {
    border-color: var(--card-hover-border);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.6),
        0 0 30px rgba(99, 102, 241, 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    transform: translateY(-6px) scale(1.01);
}

/* Premium Buttons */
.btn-premium {
    background: linear-gradient(90deg, var(--accent-indigo) 0%, var(--accent-cyan) 100%);
    color: #ffffff !important;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-spring);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-premium:hover {
    box-shadow: 
        0 8px 25px rgba(99, 102, 241, 0.5),
        0 0 15px rgba(6, 182, 212, 0.3);
    transform: translateY(-2px);
}

.btn-premium-outline {
    background: rgba(255, 255, 255, 0.02);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 11px 29px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-spring);
}

.btn-premium-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.05);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
    transform: translateY(-2px);
}

/* Navigation bar */
.navbar-custom {
    background: rgba(3, 7, 18, 0.6);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    padding: 20px 0;
    transition: var(--transition-spring);
}

.navbar-custom.scrolled {
    padding: 12px 0;
    background: rgba(3, 7, 18, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.navbar-custom .navbar-brand {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.6rem;
    letter-spacing: -1px;
}

.navbar-custom .navbar-brand span {
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-custom .nav-link {
    font-family: var(--font-heading);
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 18px !important;
    font-size: 0.95rem;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

/* Page Hero layout */
.hero-section {
    padding: 200px 0 120px;
    position: relative;
    overflow: hidden;
}

.demo-lab-hero {
    background: radial-gradient(circle at center, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--card-border);
    padding: 200px 0 100px;
    position: relative;
    overflow: hidden;
}

/* Stripe/Linear Text Gradient */
.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.05;
    background: linear-gradient(135deg, #ffffff 30%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 25px;
    letter-spacing: -0.04em;
}

.section-title {
    font-size: 3.2rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.section-title span {
    background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-indigo) 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 60px auto;
    font-size: 1.15rem;
    line-height: 1.6;
}

/* Tech Capsule Badges */
.badge-tech {
    background: linear-gradient(90deg, rgba(6, 182, 212, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 100px;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 2px;
    display: inline-block;
    margin-bottom: 25px;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.1);
}

/* Statistics Highlights */
.stat-card {
    padding: 30px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -0.03em;
}

/* Product Cards */
.product-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-img-wrapper {
    height: 220px;
    background: rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.product-img-wrapper i {
    transition: var(--transition-spring);
}

.product-card:hover .product-img-wrapper i {
    transform: scale(1.15) rotate(3deg);
    filter: drop-shadow(0 0 25px var(--card-hover-border));
}

.tech-tag {
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: 6px;
    margin-right: 6px;
    margin-bottom: 6px;
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition-spring);
}

.product-card:hover .tech-tag {
    background: rgba(99, 102, 241, 0.08);
    color: #ffffff;
    border-color: rgba(99, 102, 241, 0.2);
}

/* SaaS Grid & Pillars */
.saas-feature-card {
    padding: 35px;
    background: rgba(255, 255, 255, 0.01);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 25px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.1);
}

/* Interactive Timeline */
.timeline-container {
    position: relative;
    padding-left: 40px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-cyan) 0%, var(--accent-purple) 50%, transparent 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-dot {
    position: absolute;
    left: -40px;
    top: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 4px solid var(--accent-cyan);
    box-shadow: 0 0 15px var(--accent-cyan);
    transition: var(--transition-spring);
    z-index: 2;
}

.timeline-item:hover .timeline-dot {
    border-color: var(--accent-purple);
    box-shadow: 0 0 20px var(--accent-purple);
    transform: scale(1.2);
}

.timeline-year {
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-indigo));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

/* Interactive AI Panels */
.ai-interactive-panel {
    background: radial-gradient(circle at top, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 50px 30px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

.ai-graphic-canvas {
    height: 320px;
    border-radius: 12px;
    background: rgba(3, 7, 18, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.03);
    overflow: hidden;
    position: relative;
}

/* Technology Cloud */
.tech-cloud-item {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 18px 28px;
    font-size: 1.05rem;
}

.tech-cloud-item:hover {
    border-color: var(--accent-purple);
    background: rgba(168, 85, 247, 0.06);
    box-shadow: 
        0 10px 25px rgba(168, 85, 247, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Form Controls */
.form-glass {
    background: rgba(255, 255, 255, 0.01) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    color: #ffffff !important;
    border-radius: 10px !important;
    padding: 14px 20px !important;
}

.form-glass:focus {
    background: rgba(255, 255, 255, 0.03) !important;
    border-color: var(--accent-cyan) !important;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.2) !important;
}

/* Case Study Badges */
.case-badge {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-indigo);
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.8rem;
    padding: 6px 14px;
    border-radius: 100px;
    font-weight: 600;
}

/* Live Demo Lab styles */
.demo-card:hover {
    border-color: var(--accent-purple);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.6),
        0 0 30px rgba(168, 85, 247, 0.15);
}

/* Footer Section */
.footer-custom {
    background: #02040a;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 100px 0 40px;
}

.footer-link-group ul li a {
    color: var(--text-secondary);
    transition: var(--transition-spring);
}

.footer-link-group ul li a:hover {
    color: #ffffff;
    padding-left: 8px;
}

/* Layout Padding overrides */
.section-padding {
    padding: 120px 0;
}

@media (max-width: 991px) {
    .hero-title {
        font-size: 3.2rem;
    }
    .section-title {
        font-size: 2.5rem;
    }
    .section-padding {
        padding: 80px 0;
    }
}

@media (max-width: 575px) {
    .navbar-custom .navbar-brand {
        font-size: 1.25rem;
    }
}