/* style.css - Design System & Custom Styles for United Pearl Tech */

/* Import Premium Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables for Clean light Theme */
:root {
    --bg-primary: #fafafc;
    --bg-secondary: #ffffff;
    --bg-accent: #f3f4f6;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --color-primary: #3b82f6; /* Pearl Blue */
    --color-primary-hover: #2563eb;
    --color-secondary: #06b6d4; /* Teal accent */
    --border-color: #e2e8f0;
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
    --card-shadow-hover: 0 20px 40px -15px rgba(59, 130, 246, 0.1), 0 1px 5px rgba(0, 0, 0, 0.03);
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

p {
    color: var(--text-secondary);
    font-weight: 400;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

/* Base Layout Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
}

/* Background Decorative Gradients */
.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.03) 0%, transparent 40%);
    z-index: -1;
    pointer-events: none;
}

/* Navigation Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: var(--transition-smooth);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
    -webkit-text-fill-color: white;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: var(--transition-smooth);
    border-radius: 2px;
}

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

.nav-btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white !important;
    padding: 10px 24px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.2);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    border: none;
    background: none;
    padding: 4px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 100px;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 100px;
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #0f172a 30%, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-accent);
    transform: translateY(-2px);
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #0f172a, #475569);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Apps Section */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.app-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: var(--border-radius-md);
    padding: 32px;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(59, 130, 246, 0.2);
}

.app-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 24px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
}

.app-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.app-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
}

.app-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.app-badge {
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-live {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-soon {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.app-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.app-link:hover {
    color: var(--color-primary-hover);
}

/* About / Values Section */
.about {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.about-image-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 460px;
    box-shadow: var(--card-shadow);
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 8px;
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
}

.about-text h2 {
    font-size: 2.25rem;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.value-list {
    list-style: none;
}

.value-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-weight: 500;
}

.value-icon {
    color: var(--color-primary);
    font-size: 1.25rem;
    line-height: 1;
}

/* Contact / Support Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.contact-info p {
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.2rem;
}

.contact-item-text span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.contact-item-text a, .contact-item-text p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-form-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--card-shadow);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family);
    font-size: 0.95rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-status {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    display: none;
}

.form-status.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
    display: block;
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
    display: block;
}

/* Footer Section */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px 0;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.15rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: var(--text-muted);
}

.footer-bottom-links a:hover {
    color: var(--text-secondary);
}

/* Privacy & Terms Base Layout */
.legal-body {
    background-color: var(--bg-primary);
}

.legal-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 120px 0 60px 0;
    text-align: center;
}

.legal-header h1 {
    font-size: 2.75rem;
    margin-bottom: 12px;
}

.legal-content {
    padding: 60px 0 100px 0;
}

.legal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 48px;
    box-shadow: var(--card-shadow);
}

.legal-card h2 {
    font-size: 1.5rem;
    margin: 32px 0 16px 0;
    color: var(--text-primary);
}

.legal-card h2:first-of-type {
    margin-top: 0;
}

.legal-card p {
    margin-bottom: 20px;
    font-size: 1rem;
}

.legal-card ul {
    margin-bottom: 20px;
    padding-left: 24px;
}

.legal-card li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.btn-back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 30px;
    color: var(--color-primary);
    font-weight: 600;
}

.btn-back-home:hover {
    color: var(--color-primary-hover);
    transform: translateX(-4px);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive Adjustments */
@media (max-width: 992px) {
    section {
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image {
        order: 2;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-secondary);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        gap: 24px;
        transition: var(--transition-smooth);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        padding-top: 140px;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .cta-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
    }
    
    .legal-card {
        padding: 24px;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}