/* =========================================
   Global Styles - Proexima AI
========================================= */

:root {
    --bg-dark: #121212;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    
    --accent-primary: #ff4d94; /* Radiant Pink */
    --accent-secondary: #00e5ff; /* Cyan/Blue */
    --accent-purple: #9d50bb; /* Deep Purple for middle of gradient */
    --accent-gradient: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-purple) 50%, var(--accent-secondary) 100%);
    --accent-glow: 0 10px 30px rgba(255, 77, 148, 0.3);
    
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --pill-radius: 50px;
    --panel-radius: 32px;
    
    --transition-fast: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-medium: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* =========================================
   Smooth Scrolling (Lenis required CSS)
========================================= */
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
.lenis.lenis-scrolling iframe { pointer-events: none; }

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.text-center { text-align: center; }
.accent { 
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Base Display Utilities */
.d-mobile-only {
    display: none !important;
}

/* =========================================
   Buttons & Inputs
========================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--pill-radius);
    cursor: pointer;
    transition: var(--transition-medium);
    border: none;
    outline: none;
    text-align: center;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(255, 77, 148, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-glass-hover);
    transform: translateY(-3px);
}

/* =========================================
   Glassmorphism (Figma Grade)
========================================= */

.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--panel-radius);
    padding: 2.5rem;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.05), 0 20px 40px rgba(0,0,0,0.4);
    transition: var(--transition-medium);
    transform: translateZ(0); /* Force GPU acceleration */
    backface-visibility: hidden;
    perspective: 1000px;
}
.glass-panel:hover {
    border-color: rgba(255, 77, 148, 0.3);
    transform: translateY(-5px) translateZ(10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.6), 0 0 20px rgba(255, 77, 148, 0.1);
}

/* =========================================
   Navbar
========================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 30px 0;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    padding: 20px 0;
    background: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -1px;
    text-transform: uppercase;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0%;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 10px;
    transition: var(--transition-medium);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

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

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* =========================================
   Footer
========================================= */

.footer {
    background: #0d0d0d;
    padding: 100px 0 30px;
    border-top: 1px solid var(--border-glass);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 25px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: -2px;
    line-height: 1;
}
.section-desc {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 70px;
    font-size: 1.1rem;
    font-weight: 500;
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-col p, .footer-col a {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    display: block;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    border: 1px solid var(--border-glass);
}

.social-links a:hover {
    background: var(--accent-gradient);
    border-color: transparent;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border-radius: 50px;
    border: 1px solid var(--border-glass);
    background: var(--bg-card);
    color: var(--text-primary);
    outline: none;
}

.newsletter-form button {
    padding: 10px 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   Responsive
========================================= */

@media (max-width: 1100px) {
    .d-desktop-only {
        display: none !important;
    }
    .d-mobile-only {
        display: inline-flex !important;
        margin-top: 1.5rem;
    }

    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 100%;
        max-width: 400px;
        background: rgba(18, 18, 18, 0.98);
        backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: var(--transition-medium);
        border-left: 1px solid var(--border-glass);
        z-index: 999;
    }
    .nav-links.active {
        right: 0;
        box-shadow: -20px 0 50px rgba(0,0,0,0.5);
    }
    .mobile-menu-btn {
        display: flex;
        z-index: 1000;
        position: relative;
    }
    .mobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 1.5rem; /* Reduced for layout consistency */
    }
    .footer-col h3 {
        margin-bottom: 1rem;
    }
    .footer-col p, .footer-col a {
        margin-bottom: 0.4rem;
        font-size: 0.9rem;
    }
    
    .mobile-hidden {
        display: none !important;
    }
    .mobile-view-btn-container {
        display: flex;
        justify-content: center;
        margin-top: 30px;
        width: 100%;
    }
    
    .section-title { font-size: 2.8rem; }
    .section-desc { font-size: 1rem; margin-bottom: 40px; }
    .btn { padding: 12px 24px; font-size: 0.85rem; }
    .glass-panel { padding: 1.5rem; }
    .hero-title { font-size: 3.5rem !important; }
    .hero-desc { font-size: 1.1rem !important; }
    .section { padding: 70px 0; }
}