:root {
    --bg-darker: #f4f5f7; /* Soft off-white */
    --bg-dark: #ffffff; /* Pure white */
    --bg-card: #ffffff;
    --text-primary: #2d3436; /* Dark slate */
    --text-secondary: #636e72; /* Medium slate */
    --accent: #8b979f; /* Muted slate for subtle elegance */
    --accent-hover: #2d3436;
    --nav-bg: rgba(244, 245, 247, 0.95);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-darker);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .brand-logo, .navbar-brand {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

/* Typography Enhancements */
.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-weight: 800;
    color: var(--text-primary);
}

.sub-heading {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent);
    font-weight: 600;
}

.lead-text {
    font-size: 1.25rem;
    line-height: 1.7;
    font-weight: 300;
    color: var(--text-secondary);
}

/* Utilities */
.section-padding {
    padding: 120px 0;
}

.dark-section {
    background-color: var(--bg-dark);
}

.darker-section {
    background-color: var(--bg-darker);
}

/* Navigation */
.custom-nav {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 15px 0;
    transition: var(--transition);
}

.custom-nav.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

/* Fix Bootstrap's navbar-dark to work with our light theme */
.navbar-dark .navbar-toggler {
    border-color: rgba(0,0,0,0.1);
}
.navbar-dark .navbar-toggler-icon {
    filter: invert(1);
}

.brand-logo {
    height: 140px; 
    width: auto;
    object-fit: contain;
    mix-blend-mode: multiply; /* Makes white background transparent on light themes */
    transition: var(--transition);
}

.custom-nav.scrolled .brand-logo {
    height: 80px; 
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: var(--transition);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--text-primary);
}

.btn-contact {
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.btn-contact:hover {
    border-color: var(--accent);
    color: var(--text-primary) !important;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background-color: var(--bg-darker); /* Solid flat background, no gradient */
    position: relative;
    padding-top: 200px;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="noiseFilter"><feTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23noiseFilter)" opacity="0.02"/></svg>');
    pointer-events: none;
}

.hero-title {
    font-size: clamp(3rem, 7vw, 5.5rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 0;
}

.text-gradient {
    color: var(--text-primary); /* Flat color, no gradient */
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 300;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

/* Buttons */
.btn-premium {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.2);
    padding: 14px 32px;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.85rem;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    z-index: 1;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--text-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: -1;
}

.btn-premium:hover {
    color: var(--bg-dark);
    border-color: var(--text-primary);
}

.btn-premium:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Cards */
.service-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 3rem 2rem;
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.service-card:hover::after {
    transform: scaleX(1);
}

.card-number {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(0, 0, 0, 0.04);
    line-height: 1;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .card-number {
    color: rgba(0, 0, 0, 0.08);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

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

/* Misc Elements */
.divider {
    height: 1px;
    width: 60px;
    background: var(--accent);
}

.passive-logo {
    height: 90px;
    width: auto;
    opacity: 0.3;
    mix-blend-mode: multiply;
    transition: var(--transition);
}

.passive-logo:hover {
    opacity: 0.5;
}

.footer {
    background-color: #ffffff;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-logo {
    height: 40px;
    width: auto;
    mix-blend-mode: multiply;
    opacity: 0.6;
    transition: var(--transition);
}

.footer-logo:hover {
    opacity: 1;
}

.text-muted {
    color: var(--text-secondary) !important;
}

.btn-outline-light {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.btn-outline-light:hover {
    background-color: var(--text-primary);
    color: #ffffff;
    border-color: var(--text-primary);
}

/* GSAP states are handled by JavaScript to prevent blank pages if JS fails */