/* =========================================
   GLOBAL.CSS - Core Styles Shared Across All Pages
   ========================================= */

/* --- 1. VARIABLES & RESET --- */
:root {
    --scad-dark: #0F172A;
    --scad-card: #1E293B;
    --scad-border: #334155;
    --scad-red: #EF4444;
    --scad-text: #9CA3AF;
    --scad-heading: #F3F4F6;
}

/* Force scroll to top on refresh */
html {
    scroll-behavior: auto !important;
    overflow-x: hidden;
}

/* Smooth Scroll Container (Lenis) */
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
.lenis.lenis-scrolling iframe { pointer-events: none; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--scad-text);
    background-color: var(--scad-dark);
    overflow-x: hidden;
    width: 100%;
    margin: 0;
}

/* Selection Highlight Color */
::selection {
    background-color: var(--scad-red);
    color: white;
}

/* --- 2. GLOBAL UTILITIES --- */

/* Background Noise Texture (Used on multiple pages) */
.bg-noise {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    z-index: 0;
}

/* Common Grid Background */
.grid-bg {
    background-color: #111827;
    background-image: linear-gradient(#1F2937 1px, transparent 1px), linear-gradient(90deg, #1F2937 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Standard Button Style */
.btn-view-more {
    display: inline-block;
    border: 1px solid #4B5563;
    color: #9CA3AF;
    padding: 0.75rem 2rem;
    border-radius: 0.125rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    margin-top: 2rem;
}

.btn-view-more:hover {
    border-color: var(--scad-red);
    color: var(--scad-red);
    background-color: rgba(239, 68, 68, 0.05);
}

/* --- 3. NAVIGATION --- */
.navbar-bg {
    background-color: white; /* Default state */
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

/* Override for Index page transparency */
body.index-page .navbar-bg {
    background-color: rgba(255, 255, 255, 0.95); 
    border-bottom: 1px solid #E5E7EB;
}

.navbar-bg.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #E5E7EB;
}

.nav-link {
    position: relative;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #1F2937;
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--scad-red);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover,
.nav-link.active {
    color: var(--scad-red) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Transitions */
#mobile-menu {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    will-change: transform, opacity;
}

#mobile-menu.hidden-menu {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

#mobile-menu.visible-menu {
    transform: translateY(0%);
    opacity: 1;
    pointer-events: auto;
}

/* --- 4. SHARED COMPONENT: CARD BASE --- */
/* Used on Index, Services, and Industries pages */
.card-base {
    background-color: var(--scad-card);
    border: 1px solid var(--scad-border);
    transition: transform 0.4s ease, box-shadow 0.4s ease, background-color 0.4s ease, border-bottom 0.4s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    will-change: transform;
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px 4px 0 0;
    opacity: 0.9;
    transition: transform 0.5s ease, opacity 0.5s ease;
    will-change: transform;
}

.card-details-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-top: 3px solid var(--scad-red);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    text-align: center;
    will-change: transform;
}

/* Card Hover States */
.card-base:hover,
.card-base:active,
.card-base:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    border-bottom: 4px solid var(--scad-red);
    background-color: #252f45;
}

.card-base:hover .card-img {
    transform: scale(1.1);
    opacity: 1;
}

.card-base:hover .card-details-overlay {
    transform: translateY(0);
}

.domain-img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 2px solid var(--scad-border);
    background-color: var(--scad-dark);
    transition: border-color 0.3s;
}

.card-base:hover .domain-img {
    border-color: var(--scad-red);
}