/* ========================================
   NEXELLA-STYLE PREMIUM UI DESIGN SYSTEM
   ======================================== */

:root {
    /* Brand Colors */
    --primary-color: #f39223;
    --primary-light: #ff9f43;
    --primary-dark: #e67e00;
    --secondary-color: #0073b7;
    --secondary-light: #0099ff;
    --accent-color: #ff9f43;

    /* Background Colors */
    --bg-dark: #0b0d17;
    --bg-darker: #060810;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(243, 146, 35, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   BASE STYLES
   ======================================== */

html,
body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden;
    position: relative;
    width: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.display-2 {
    font-size: 3.5rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-color), var(--primary-color));
}

/* ========================================
   GLASSMORPHISM & CARDS
   ======================================== */

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Glass effect without blur for images */
.glass-clear {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Hero image with crisp rendering */
.hero-image {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.glass:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 4px 20px rgba(243, 146, 35, 0.1), var(--glass-shadow);
}

.glass:hover::before {
    left: 100%;
}

/* Hover Up Effect */
.hover-up {
    transition: all var(--transition-base);
}

.hover-up:hover {
    transform: translateY(-8px);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    transition: none;
    /* Remove transition to ensure immediate visibility */
    background: rgba(11, 13, 23, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 1050 !important;
}

.navbar-brand img {
    transition: transform var(--transition-base);
}

.navbar-brand:hover img {
    transform: scale(1);
}

.navbar-logo {
    height: 55px;
    width: auto;
}

.nav-scrolled {
    background: rgba(11, 13, 23, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
    font-weight: 500;
    transition: all var(--transition-base);
    padding: 0.5rem 0 !important;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width var(--transition-base);
    box-shadow: 0 0 10px var(--primary-color);
}

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

/* Mobile Menu */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(243, 146, 35, 0.25);
}

.contact-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border: 1px solid transparent;
    padding: 12px 32px;
    box-shadow: 0 4px 14px 0 rgba(243, 146, 35, 0.4);
    color: white;
}

.btn-primary:hover,
.btn-primary.active {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(243, 146, 35, 0.3);
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-outline-primary {
    border: 1px solid rgba(243, 146, 35, 0.5);
    background: rgba(243, 146, 35, 0.05);
    color: var(--primary-color);
}

.btn-outline-primary:hover,
.btn-outline-primary.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(243, 146, 35, 0.3);
}

.btn-outline-light {
    border: 2px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.03);
    color: white;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 20px rgba(243, 146, 35, 0.3);
}

/* Hero Button Responsiveness */
.hero-btn {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 576px) {
    .hero-btn {
        padding-left: 10px !important;
        padding-right: 10px !important;
        font-size: 0.8rem !important;
        letter-spacing: 0;
    }
}


/* ========================================
   HERO SECTION
   ======================================== */

.hero-section {
    position: relative;
    padding: 180px 0 120px;
    background: radial-gradient(circle at 50% -20%, rgba(0, 115, 183, 0.2) 0%, var(--bg-dark) 50%);
    overflow: hidden;
}

/* Animated Grid Background */
.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

/* Floating Particles */
.hero-section::before,
.hero-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 15s ease-in-out infinite;
}

.hero-section::before {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.hero-section::after {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    bottom: 10%;
    right: 10%;
    animation-delay: 7s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* Text Gradient */
.text-gradient {
    /* background: linear-gradient(135deg, var(--primary-color), var(--accent-color)); */
    background: linear-gradient(135deg, #2196F3, #ff5722e0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* Hero Image Effects */
.hero-section img {
    transition: transform var(--transition-slow);
}

.hero-section img:hover {
    transform: scale(1);
}

/* ========================================
   SECTIONS
   ======================================== */

section {
    padding: 100px 0;
    position: relative;
}

.py-100 {
    padding: 100px 0;
}

.bg-accent-dark {
    background-color: #0c1222;
    position: relative;
}

/* ========================================
   SERVICE CARDS
   ======================================== */

.glass.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.glass i {
    transition: all var(--transition-base);
    display: inline-block;
}

.glass:hover i {
    transform: scale(1) rotate(0deg);
    color: var(--primary-color);
}

/* Animated Border */
.border-bottom.border-primary {
    position: relative;
}

.border-bottom.border-primary::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width var(--transition-base);
    box-shadow: 0 0 10px var(--primary-color);
}

.glass:hover .border-bottom.border-primary::after {
    width: 100%;
}

/* ========================================
   STATS & COUNTERS
   ======================================== */

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ========================================
   PORTFOLIO/PROJECTS
   ======================================== */

/* Portfolio Grid Layout */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

.portfolio-grid-item {
    display: block;
    width: 100%;
    transition: all 0.4s ease;
}

.portfolio-card {
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    background: #111827;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.portfolio-img-container {
    aspect-ratio: 4 / 5;
    width: 100%;
    overflow: hidden;
}

.portfolio-img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.portfolio-card:hover .portfolio-img {
    transform: scale(1);
}

.portfolio-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 13, 23, 0.4) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-card:hover .portfolio-hover-overlay {
    opacity: 1;
}

/* Portfolio Header & Filters */
.portfolio-header-underline {
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 0 auto;
    border-radius: 2px;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(243, 146, 35, 0.3);
    color: var(--primary-color);
    padding: 10px 25px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

.filter-btn:hover {
    background: rgba(243, 146, 35, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn.active {
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
    box-shadow: 0 0 20px rgba(243, 146, 35, 0.4);
}

.portfolio-bg-wrapper {
    position: relative;
    background: var(--bg-dark);
}

.portfolio-bg-wrapper .grid-bg {
    opacity: 0.5;
    pointer-events: none;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 5px var(--primary-color);
    }

    50% {
        box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

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

.border-subtle {
    border-color: var(--glass-border) !important;
}

.shadow-2xl {
    box-shadow: var(--shadow-xl) !important;
}

.transition-nav {
    transition: all var(--transition-base);
}

.hover-primary {
    transition: all var(--transition-base);
    cursor: pointer;
}

.hover-primary:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.object-fit-cover {
    object-fit: cover;
}

/* ========================================
   FORMS
   ======================================== */

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    transition: all var(--transition-base);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(243, 146, 35, 0.25);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control.bg-dark {
    background: rgba(0, 0, 0, 0.3);
}

.form-control.bg-dark:focus {
    background: rgba(0, 0, 0, 0.4);
}

/* ========================================
   BADGES
   ======================================== */

.badge {
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 0.5rem 1rem;
}

/* ========================================
   FOOTER
   ======================================== */

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-links a:hover::after {
    width: 100%;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   FOUNDER IMAGE EFFECTS
   ======================================== */

.founder-img-container {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.founder-img-hover {
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    filter: grayscale(100%) brightness(0.9);
    cursor: pointer;
}

.founder-img-hover:hover {
    filter: grayscale(0%) brightness(1.1);
    transform: scale(1);
}


@media (max-width: 991px) {
    .navbar {
        padding-top: 0.75rem !important;
        padding-bottom: 0.75rem !important;
        background: #0b0d17 !important;
        /* Force solid color on mobile */
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
        visibility: visible !important;
        opacity: 1 !important;
        position: fixed !important;
        top: 0 !important;
        width: 100%;
        z-index: 1050 !important;
        /* Ensure it's above hero content but below preloader */
    }

    .navbar-logo {
        height: 35px !important;
        width: auto !important;
    }

    .hero-section {
        padding-top: 100px !important;
        padding-bottom: 40px !important;
        min-height: auto !important;
        display: block !important;
    }

    .display-2 {
        font-size: 1.75rem !important;
        line-height: 1.2 !important;
        margin-bottom: 1rem !important;
    }

    .lead {
        font-size: 0.9rem !important;
        line-height: 1.5 !important;
        margin-bottom: 1.5rem !important;
    }

    .hero-section .badge {
        font-size: 0.65rem !important;
        padding: 0.4rem 0.8rem !important;
        margin-bottom: 1rem !important;
        white-space: normal !important;
    }

    .hero-content .btn {
        width: 100%;
        padding: 12px 20px !important;
        font-size: 0.85rem !important;
        margin-bottom: 0.75rem !important;
    }

    .navbar-collapse {
        background: transparent !important;
        backdrop-filter: none !important;
        padding: 1rem 0 0 !important;
        margin-top: 0;
        border: none !important;
    }
}

/* ========================================
   LOADING & PRELOADER
   ======================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   LOGO MARQUEE (STATS BAR)
   ======================================== */

.logo-marquee {
    overflow: hidden;
    padding: 1rem 0;
    position: relative;
    width: 100%;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.logo-marquee-content {
    display: flex;
    white-space: nowrap;
    width: fit-content;
    animation: scroll-left-to-right 40s linear infinite;
}

.logo-marquee-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 50px;
}

.logo-marquee-item img {
    height: 70px;
    width: 160px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.7;
    transition: all var(--transition-base);
}

.logo-marquee-item img:hover {
    filter: none;
    opacity: 1;
    transform: scale(1);
}

@keyframes scroll-left-to-right {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0);
    }
}

/* Pause on hover */
.logo-marquee:hover .logo-marquee-content {
    animation-play-state: paused;
}