/* ================================
   UpLift - Landing Page Styles
   Professional B&W Design
   Version: 1.0.0
   ================================ */

/* ========== Hero Section ========== */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 0.5rem;
    color: var(--color-gray-700);
    cursor: pointer;
}

.mobile-menu-toggle [data-lucide] {
    width: 24px;
    height: 24px;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    z-index: 1000;
    flex-direction: column;
    gap: 0.75rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    padding: 0.875rem 1rem;
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.mobile-link:hover {
    background: var(--color-lighter-gray);
    color: var(--color-primary);
}

.mobile-menu .btn-secondary,
.mobile-menu .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    min-height: 48px;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8f0f5 50%, #d4e4ed 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(61, 90, 128, 0.08) 100%);
    pointer-events: none;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    animation: slideUp 0.8s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-black);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: #000000;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #1f2937;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 2rem;
    font-weight: var(--font-weight-black);
    color: #000000;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: #000000;
    font-weight: var(--font-weight-medium);
}

/* Hero Visual - 3D Spline Container */
.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 1s ease 0.3s backwards;
}

/* Three.js hero container: visible on desktop and mobile */
#hero-three-container {
    width: min(100%, 520px);
    height: 100%;
    border-radius: 1.5rem;
    overflow: hidden;
    background: radial-gradient(circle at top, #020617 0%, #0b1120 40%, #020617 100%);
    box-shadow: var(--shadow-xl);
}

.hero-illustration-card {
    width: 100%;
    max-width: 480px;
    height: 100%;
    max-height: 380px;
    border-radius: 1.5rem;
    overflow: hidden;
    background: radial-gradient(circle at top left, rgba(255,255,255,0.9), rgba(209, 213, 219, 0.6));
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    animation: heroCardFloat 8s ease-in-out infinite;
}

.hero-illustration {
    width: 100%;
    height: 100%;
    display: block;
}

.hero-illustration-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.18);
}

.hero-illustration #scene-characters {
    animation: heroCharacterFloat 4.5s ease-in-out infinite;
    transform-origin: 130px 110px;
}

.hero-illustration-caption {
    margin-top: var(--spacing-md);
    font-size: 0.95rem;
    color: #111827;
    text-align: center;
    max-width: 320px;
}

@keyframes heroCardFloat {
    0%   { transform: translateY(0) scale(1); }
    25%  { transform: translateY(-4px) scale(1.005); }
    50%  { transform: translateY(-8px) scale(1.01); }
    75%  { transform: translateY(-4px) scale(1.005); }
    100% { transform: translateY(0) scale(1); }
}

@keyframes heroCharacterFloat {
    0%   { transform: translateY(0); }
    25%  { transform: translateY(-3px); }
    50%  { transform: translateY(-6px); }
    75%  { transform: translateY(-3px); }
    100% { transform: translateY(0); }
}

/* ========== Features Section ========== */
.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-black);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-accent);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-white);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon i {
    width: 32px;
    height: 32px;
    color: var(--color-white);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.feature-description {
    color: var(--color-accent);
    line-height: 1.6;
    margin: 0;
}

/* ========== About Section ========== */
.about {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    animation: slideUp 0.8s ease;
}

.about-description {
    font-size: 1.125rem;
    color: var(--color-accent);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.about-features {
    display: grid;
    gap: var(--spacing-md);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-sm);
}

.about-feature i {
    width: 24px;
    height: 24px;
    color: var(--color-success);
}

.about-visual {
    display: grid;
    gap: var(--spacing-lg);
}

.about-card {
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

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

.about-card i {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.about-card p {
    color: var(--color-accent);
    margin: 0;
    line-height: 1.6;
}

/* ========== CTA Section ========== */
.cta {
    padding: var(--spacing-3xl) 0;
    /* Darker, calmer background so the button text is clearer */
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.cta-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-black);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta .btn-primary {
    /* Force very strong contrast so "Get Started Now" is always visible */
    background-color: #ffffff !important;
    color: #111827 !important;
    border: 2px solid #e5e7eb;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    font-weight: var(--font-weight-bold);
}

.cta .btn-primary:hover {
    background-color: #f3f4f6 !important;
    transform: translateY(-3px);
}

/* ========== Footer ========== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
}

.footer-logo i {
    width: 32px;
    height: 32px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-normal);
}

.footer-column a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin: 0;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .hero-container {
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    /* On mobile, hide desktop links and show the three-line (hamburger) menu */
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: inline-flex;
    }

    .hero {
        padding-top: 70px;
        min-height: auto;
        padding-bottom: var(--spacing-2xl);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .visual-card {
        padding: var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .visual-card i {
        width: 24px;
        height: 24px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-subtitle {
        font-size: 1rem;
    }
}

/* ========== Print Styles ========== */
@media print {
    .navbar,
    .mobile-menu,
    .hero-buttons,
    .cta,
    .footer {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}