/* 
    GreenByte Technologies - Master Stylesheet
    Author: GreenByte
    Version: 1.0
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;800&display=swap');

:root {
    --primary-color: #10b981; /* Modern Green */
    --primary-dark: #059669;
    --accent-color: #f59e0b; /* Accent Orange */
    --accent-hover: #d97706;
    
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --bg-dark: #111827;
    --bg-darker: #030712;
    
    --text-main: #374151;
    --text-muted: #6b7280;
    --text-light: #f3f4f6;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease-in-out;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--bg-dark);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.text-accent { color: var(--accent-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.bg-dark-custom { background-color: var(--bg-dark) !important; }
.bg-darker { background-color: var(--bg-darker) !important; }

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.23);
}

.btn-accent {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.39);
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.23);
    color: white;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    border-width: 2px;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Glassmorphism */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.glass-card-dark {
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-radius: 16px;
}

/* Header & Navigation */
.navbar {
    padding: 1rem 0;
    transition: all 0.4s ease;
    background: transparent;
    z-index: 1030;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.navbar-brand span {
    color: var(--bg-dark);
}

.navbar.scrolled .navbar-brand span {
    color: var(--bg-dark);
}

.nav-link {
    color: var(--bg-dark);
    font-weight: 500;
    margin: 0 0.5rem;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

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

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

/* Dropdown/Mega Menu */
.dropdown-menu {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.3s ease;
}

.dropdown-item {
    padding: 0.5rem 1.5rem;
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
    padding-top: 80px; /* Space for navbar */
}

/* Animated Abstract Background */
.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    filter: blur(60px);
    opacity: 0.6;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out alternate;
}

.shape-1 {
    top: -10%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: rgba(16, 185, 129, 0.3); /* Primary */
    animation-delay: 0s;
}

.shape-2 {
    bottom: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: rgba(245, 158, 11, 0.2); /* Accent */
    animation-delay: -5s;
}

.shape-3 {
    top: 40%;
    left: 20%;
    width: 300px;
    height: 300px;
    background: rgba(59, 130, 246, 0.2); /* Blue tint */
    animation-delay: -10s;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--bg-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Section Styling */
.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 50px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-title.text-center::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Service Cards */
.service-card {
    padding: 2.5rem 2rem;
    height: 100%;
    transition: all 0.4s ease;
    border: none;
    border-radius: 16px;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    transition: all 0.4s ease;
    z-index: -1;
    opacity: 0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.service-card:hover::before {
    height: 100%;
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: all 0.4s ease;
}

.service-card:hover .service-icon,
.service-card:hover h3,
.service-card:hover p,
.service-card:hover a {
    color: white;
}

/* Stats / Counters */
.counter-box {
    text-align: center;
    padding: 2rem;
}

.counter-number {
    font-size: 3rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Portfolio / Projects */
.portfolio-filter {
    margin-bottom: 2rem;
}

.filter-btn {
    background: transparent;
    border: none;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.5rem 1.5rem;
    margin: 0 0.5rem 0.5rem 0;
    border-radius: 30px;
    transition: all var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.portfolio-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 30px;
}

.portfolio-img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(17, 24, 39, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: all 0.4s ease;
    padding: 2rem;
    text-align: center;
}

.portfolio-item:hover .portfolio-img {
    transform: scale(1.1);
}

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

.portfolio-overlay h4 {
    color: white;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.portfolio-overlay p {
    color: var(--text-light);
    transform: translateY(20px);
    transition: all 0.4s ease;
    transition-delay: 0.1s;
}

.portfolio-item:hover .portfolio-overlay h4,
.portfolio-item:hover .portfolio-overlay p {
    transform: translateY(0);
}

/* Process Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50px;
    height: 100%;
    width: 2px;
    background: rgba(16, 185, 129, 0.2);
}

@media (min-width: 768px) {
    .timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
}

.timeline-icon {
    position: absolute;
    left: 20px;
    top: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    z-index: 1;
    box-shadow: 0 0 0 5px rgba(255,255,255,0.8);
}

@media (min-width: 768px) {
    .timeline-icon {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-content {
    margin-left: 100px;
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

@media (min-width: 768px) {
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 0;
        margin-right: 50%;
        padding-right: 5rem;
        text-align: right;
    }
    
    .timeline-item:nth-child(odd) .timeline-content {
        margin-left: 50%;
        padding-left: 5rem;
    }
}

/* Footer */
.footer {
    background-color: var(--bg-darker);
    color: var(--text-light);
    padding-top: 80px;
    padding-bottom: 30px;
}

.footer h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: white;
    margin-right: 10px;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    color: var(--text-muted);
}

/* Floating Actions */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
    color: white;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
}

/* Animations */
@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, 50px) rotate(10deg); }
    100% { transform: translate(-20px, 20px) rotate(-10deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(16, 185, 129, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* Inner Page Header */
.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
}

.page-header h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

/* Forms */
.form-control {
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(16, 185, 129, 0.25);
}

/* Accordion */
.accordion-button:not(.collapsed) {
    color: var(--primary-color);
    background-color: rgba(16, 185, 129, 0.1);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0,0,0,.125);
}