/* 
   STH Partners - StyleSheet
   Primary colors: Vibrant Blue & White with modern aesthetic
*/

:root {
    --primary: #005AFA; /* Vibrant Primary Blue */
    --primary-hover: #0045CC;
    --primary-light: rgba(0, 90, 250, 0.1);
    
    --bg-main: #FFFFFF;
    --bg-light: #F8FAFC;
    --text-dark: #0F172A;
    --text-muted: #64748B;
    
    --white: #ffffff;
    --border-color: #E2E8F0;
    
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-blue: 0 10px 30px rgba(0, 90, 250, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

/* Reset & BaseStyles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-main);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.text-blue {
    color: var(--primary);
}

.text-center {
    text-align: center;
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.2rem;
}

.section-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 90, 250, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 90, 250, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--text-dark);
    box-shadow: var(--shadow-soft);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-primary-small {
    background: var(--primary);
    color: var(--white) !important;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    transition: var(--transition);
}
.btn-primary-small:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

/* Glassmorphism Classes */
.glass-box {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.shadow-blue {
    box-shadow: var(--shadow-blue);
}

.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.glass-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    padding: 0.8rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: var(--transition);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 6rem 2rem 2rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg .overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.85) 50%, rgba(0,90,250,0.1) 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 span {
    color: var(--primary);
    position: relative;
}

.hero h1 span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--primary-light);
    border-radius: 3px;
}

.hero p {
    font-size: 1.25rem;
    color: #334155;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections Base */
section {
    padding: 6rem 0;
}

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

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 2rem;
}

.feature-list {
    list-style: none;
    margin-top: 1.5rem;
}

.feature-list li {
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
}

.tick {
    color: var(--primary);
    margin-right: 10px;
    font-size: 1.2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-box {
    padding: 2rem;
    text-align: center;
}

.stat-box h3 {
    color: var(--primary);
    font-size: 2.5rem;
}

/* Products Section */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.product-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-blue);
}

.product-img {
    height: 250px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.product-info {
    padding-top: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-info p {
    flex-grow: 1;
}

.product-info .btn-outline {
    margin-top: 1rem;
    align-self: flex-start;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    padding-right: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.contact-item .icon {
    font-size: 1.5rem;
    background: var(--white);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--shadow-soft);
}

.contact-item h4 {
    margin-bottom: 0.2rem;
    font-size: 1.1rem;
}

.contact-item p {
    margin: 0;
    font-size: 1rem;
}

.contact-form-container {
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-success {
    margin-top: 1rem;
    padding: 1rem;
    background: #dcfce7;
    color: #166534;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
}

.hidden {
    display: none;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--text-muted);
    padding: 3rem 0;
}

.footer p {
    margin: 0;
    color: #94a3b8;
}

/* Animations - Intersection Observer classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive Media Queries */
@media (max-width: 992px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .contact-info {
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        clip-path: circle(0% at top right);
        transition: clip-path 0.4s ease-out;
    }
    
    .nav-links.active {
        clip-path: circle(150% at top right);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-bg .overlay {
        background: rgba(255, 255, 255, 0.85); /* Slightly less transparent on mobile for text readability */
    }
    .hero {
        text-align: left;
    }
    .hero-content {
        text-align: left;
    }
    .hero-actions {
        justify-content: flex-start;
    }
}