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

:root {
    /* Stitch-Generated Authority Manual Tokens - DEEP BLUE & PURPLE EDITION */
    --surface: #020617; /* Very dark slate blue */
    --surface-low: #0a0f1e;
    --surface-container: rgba(15, 23, 42, 0.7);
    --surface-highest: #1e293b;
    
    /* Cyber Glow Spectrum */
    --primary: #3b82f6; /* Bright Blue */
    --accent: #a855f7; /* Vibrant Purple */
    --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #a855f7 100%);
    --primary-glow: rgba(59, 130, 246, 0.3);
    
    --on-surface: #f8fafc;
    --on-surface-variant: #94a3b8;
    --outline-variant: rgba(59, 130, 246, 0.1);
    
    /* Animation Tokens */
    --transition-slow: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--surface);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* THE NO-LINE RULE: Section boundaries via tonal shifts */
section {
    padding: 8rem 0;
    position: relative;
}

.bg-low { background-color: var(--surface-low); }
.bg-base { background-color: var(--surface); }

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4rem;
}

/* Glassmorphism: Cyber Blue Style */
.glass {
    background: var(--surface-container);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1.25rem;
    padding: 2.5rem;
    transition: var(--transition-slow);
}

.glass:hover {
    background: rgba(30, 41, 59, 0.6);
    transform: translateY(-5px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 20px -5px var(--primary-glow);
    border-color: rgba(59, 130, 246, 0.3);
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: var(--transition-slow);
}

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

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.logo img {
    height: 60px;
    width: auto;
    display: block;
    mix-blend-mode: screen; /* Removes black background if present */
    filter: brightness(1.1);
}

.logo:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--on-surface-variant);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: #fff;
}

/* Hero: Asymmetrical Magazine Layout */
.hero {
    min-height: 100vh;
    padding-top: 100px;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.15), transparent 50%),
                radial-gradient(circle at 20% 70%, rgba(168, 85, 247, 0.1), transparent 50%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: clamp(3.5rem, 5vw, 4.8rem);
    line-height: 1.1;
    margin-bottom: 2rem;
    color: #fff;
}

.hero h1 span.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.15rem;
    color: var(--on-surface-variant);
    margin-bottom: 3rem;
    max-width: 550px;
}

/* Buttons: Luminous Gradient */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition-slow);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.1);
}

.btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.1);
}

/* Cards & Grid */
.grid-6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-value {
    font-size: 2.8rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Icons */
i[data-lucide] {
    color: var(--primary);
}

/* Footer */
footer {
    padding: 8rem 0 4rem;
    background: var(--surface-low);
    border-top: 1px solid var(--outline-variant);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 2px;
    display: block;
    margin-bottom: 1.5rem;
}

.footer-links h4 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

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

.footer-links ul li a {
    color: var(--on-surface-variant);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

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

@media (max-width: 1024px) {
    section { padding: 6rem 0; }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }
    .hero h1 { font-size: 3.5rem; }
    .hero p { margin-left: auto; margin-right: auto; }
    .nav-links { display: none; }
    .container { padding: 0 2rem; }
    .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    section { padding: 4rem 0; }
    .container { padding: 0 1.5rem; }
    .hero h1 { font-size: 2.75rem; }
    .hero p { font-size: 1.1rem; }
    .grid-4 { grid-template-columns: 1fr; }
    .stat-value { font-size: 3.5rem; }
    .glass { padding: 2rem; }
    
    footer div[style*="grid-template-columns"] {
        grid-template-columns: 1fr ! aspiration; /* This is an inline style I should fix */
    }
}

/* Fix for footer grid on mobile */
@media (max-width: 640px) {
    footer > .container > div:first-child {
        grid-template-columns: 1fr !important;
        gap: 3rem;
    }
}

/* Input focus states for the Green theme */
input:focus, textarea:focus, select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 15px var(--primary-glow);
    background: var(--surface-low) !important;
}

/* Scrollbar Customization */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--surface-highest); border-radius: 5px; border: 2px solid var(--surface); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Lightbox Styles */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 1rem;
    box-shadow: 0 0 50px rgba(16, 185, 129, 0.3);
    transform: scale(0.9);
    transition: var(--transition-slow);
}

.lightbox.active img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: #fff;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-study-img-container {
    height: 350px;
    width: 100%;
    overflow: hidden;
    border-radius: 1rem;
    border: 1px solid var(--outline-variant);
    transition: var(--transition-slow);
}

.case-study-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: zoom-in;
    transition: var(--transition-slow);
}

.case-study-img:hover {
    transform: scale(1.05);
}