/* 
   Santt Films - Premium Design System
   Professional Audiovisual Production Aesthetics
*/

:root {
    --primary-dark: #000E29;
    --santt-blue: #3752A6;
    --santt-slate: #3D4D7A;
    --glass-bg: rgba(0, 14, 41, 0.85);
    --border-soft: rgba(255, 255, 255, 0.1);
    --text-main: #FFFFFF;
    --text-muted: rgba(255, 255, 255, 0.6);
}

/* Base resets & smooth scrolling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--primary-dark);
    color: var(--text-main);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    font-weight: 300;
}

/* Custom Selection */
::selection {
    background: var(--text-main);
    color: var(--primary-dark);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* Animations */
@keyframes shimmer {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* Premium Navbar */
.glass-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
}

/* Hero Section Refinements */
.hero-overlay {
    background: linear-gradient(to bottom, 
        rgba(0, 14, 41, 0.2) 0%, 
        rgba(0, 14, 41, 0.6) 50%, 
        rgba(0, 14, 41, 1) 100%
    );
}

/* Service Lines */
.service-line {
    position: relative;
    border-bottom: 1px solid var(--border-soft);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-line:hover {
    padding-left: 2rem;
    border-bottom-color: var(--text-main);
}

.service-line::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-main);
    transition: width 0.5s ease;
}

.service-line:hover::after {
    width: 100%;
}

/* Editorial Images */
.img-editorial {
    filter: grayscale(100%) contrast(1.1) brightness(0.85);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-editorial:hover {
    filter: grayscale(0%) contrast(1.05) brightness(1);
    transform: scale(1.02);
}

/* Grid Animations */
.group:hover .img-editorial {
    transform: scale(1.05);
}

/* Typography Enhancements */
.font-serif {
    font-family: 'Playfair Display', serif;
}

.tracking-premium {
    letter-spacing: 0.3em;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .service-line:hover {
        padding-left: 1rem;
    }
}