:root {
    --forest-green: #1B3022;
    --steel-blue: #4682B4;
    --slate: #708090;
    --dark-slate: #0F172A;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-slate);
    color: #E2E8F0;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, .brand-text {
    font-family: 'Outfit', sans-serif;
}

.ls-1 { letter-spacing: 0.1em; }

/* Navbar styling */
.glass-nav {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.navbar-brand .brand-text {
    font-size: 1.5rem;
    color: #fff;
    letter-spacing: 1px;
}

/* Industrial-Organic Hero */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.7)), url('../img/hero.png') no-repeat center center;
    background-size: cover;
    z-index: -1;
    transform: scale(1.1);
}

.blue-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(70, 130, 180, 0.15) 0%, rgba(70, 130, 180, 0) 70%);
    top: 20%;
    right: 5%;
    pointer-events: none;
}

/* Glass Cards */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 1rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: var(--steel-blue);
    background: rgba(255, 255, 255, 0.08);
}

/* Bamboo SVG Growth Styling */
.bamboo-growth-path {
    fill: none;
    stroke: var(--forest-green);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Global Footer */
.footer {
    background: #070B14;
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-link {
    color: var(--slate);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--steel-blue);
}

/* Utility Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
}