/* ==========================================================================
   Base Setup & Variables
   ========================================================================== */
:root {
    /* Colors */
    --bg-dark: #050816;
    --primary: #8B5CF6;
    --primary-hover: #7c3aed;
    --secondary: #A855F7;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --whatsapp: #25D366;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-width: 1280px;
    --section-pad: clamp(4rem, 10vw, 8rem);
    
    /* Animation */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s var(--ease-out);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden; /* Prevents horizontal scroll issues */
    width: 100%;
}

/* Hide default cursor only on desktop/mouse environments */
@media (hover: hover) and (pointer: fine) {
    body { cursor: none; }
    a, button, input, textarea, select { cursor: none; }
}

::selection {
    background: var(--primary);
    color: #fff;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

/* ==========================================================================
   Layout & Reusable Components
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem; /* Mobile padding */
}

@media (min-width: 768px) {
    .container { padding: 0 2.5rem; }
}

.section {
    padding: var(--section-pad) 0;
    position: relative;
    z-index: 2;
}

.section-title {
    text-align: center;
    margin-bottom: clamp(2.5rem, 6vw, 4rem);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title p {
    color: var(--text-muted);
    font-size: clamp(1rem, 2vw, 1.125rem);
}

/* Premium Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    transition: all var(--transition-slow);
}

@media (hover: hover) and (pointer: fine) {
    .glass-card:hover {
        background: var(--glass-hover);
        border-color: rgba(255, 255, 255, 0.2);
        transform: translateY(-5px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 3rem;
    font-weight: 600;
    font-family: var(--font-body);
    transition: all var(--transition-fast);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: #fff;
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #fff;
}

@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover {
        box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4);
        transform: translateY(-2px);
    }
    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.05);
        border-color: #fff;
    }
    .btn-whatsapp:hover {
        background: #1ebe58;
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    }
}

/* ==========================================================================
   Background Effects
   ========================================================================== */
.ambient-glow {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw; height: 80vh;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(5, 8, 22, 0) 70%);
    z-index: 0;
    pointer-events: none;
    filter: blur(80px);
}

.grid-overlay {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    pointer-events: none;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
}

/* ==========================================================================
   Custom Cursor (Desktop Only)
   ========================================================================== */
@media (hover: hover) and (pointer: fine) {
    #cursor-dot {
        position: fixed;
        width: 8px; height: 8px;
        background: #fff;
        border-radius: 50%;
        pointer-events: none;
        z-index: 9999;
        transform: translate(-50%, -50%);
        transition: width 0.2s, height 0.2s;
    }
    #cursor-ring {
        position: fixed;
        width: 40px; height: 40px;
        border: 1px solid rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        pointer-events: none;
        z-index: 9998;
        transform: translate(-50%, -50%);
        transition: transform 0.1s ease-out, width 0.2s, height 0.2s, background 0.2s;
    }
    body.hovering #cursor-dot { opacity: 0; }
    body.hovering #cursor-ring {
        width: 60px; height: 60px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(2px);
    }
}
@media (hover: none), (pointer: coarse) {
    #cursor-dot, #cursor-ring { display: none !important; }
}

/* ==========================================================================
   Header Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: all var(--transition-fast);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(5, 8, 22, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1001; /* Above mobile menu overlay */
}
.logo span { color: var(--primary); }

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1001;
}

.desktop-cta { display: none; }
.mobile-cta { display: none; margin-top: 2rem; width: 100%; }

/* Desktop Menu */
@media (min-width: 1025px) {
    .hamburger { display: none; }
    .desktop-cta { display: inline-flex; }
    .nav-menu {
        display: flex;
        gap: 2.5rem;
    }
    .nav-link {
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text-muted);
        position: relative;
    }
    .nav-link::after {
        content: ''; position: absolute;
        bottom: -5px; left: 0; width: 0%; height: 2px;
        background: var(--primary);
        transition: width var(--transition-fast);
    }
    .nav-link:hover { color: #fff; }
    .nav-link:hover::after { width: 100%; }
}

/* Mobile Menu Overlay */
@media (max-width: 1024px) {
    .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 30px; height: 24px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }
    .hamburger span {
        width: 100%; height: 2px;
        background: #fff;
        transition: all 0.3s linear;
        transform-origin: 1px;
    }
    .hamburger.active span:nth-child(1) { transform: rotate(45deg); }
    .hamburger.active span:nth-child(2) { transform: rotate(-45deg); }

    .nav-menu {
        position: fixed;
        top: 0; left: 0; width: 100%; height: 100vh;
        background: rgba(5, 8, 22, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-fast);
        z-index: 1000;
        padding: 2rem;
    }
    .nav-menu.active {
        opacity: 1;
        pointer-events: auto;
    }
    .nav-link {
        font-size: 2rem;
        font-family: var(--font-heading);
        font-weight: 600;
        color: #fff;
    }
    .mobile-cta { display: inline-flex; }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px; /* offset for header */
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-subtitle {
    font-family: var(--font-heading);
    color: var(--primary);
    letter-spacing: 2px;
    font-size: 0.875rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 6.5rem);
    line-height: 1.05;
    margin-bottom: 2.5rem;
    letter-spacing: -1px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    width: 100%;
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
}

/* Scroll Indicator */
.scroll-down {
    position: absolute;
    bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    opacity: 0.6;
}
.mouse {
    width: 26px; height: 42px;
    border: 2px solid #fff;
    border-radius: 15px;
    position: relative;
}
.mouse::before {
    content: '';
    position: absolute;
    top: 6px; left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 6px;
    background: #fff;
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}
@keyframes scroll {
    0% { top: 6px; opacity: 1; }
    100% { top: 20px; opacity: 0; }
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* 3D Native CSS Effect (Desktop Only) */
.3d-card { perspective: 1000px; }
.card-content { padding: 3rem; }
.card-content h3 { color: var(--primary); font-size: 1.75rem; margin-bottom: 1rem; }
.card-content p { color: var(--text-muted); }

@media (hover: hover) and (pointer: fine) {
    .3d-card:hover .card-content { transform: translateZ(30px); }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.stat-card h3 {
    font-size: clamp(3rem, 5vw, 4rem);
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    font-size: 0.875rem;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.service-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem 2rem;
}

.service-card .icon {
    color: var(--primary);
    font-size: 1.5rem;
}

.service-card h4 {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1.1rem;
}

/* ==========================================================================
   Portfolio Section
   ========================================================================== */
.filter-group {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 0.5rem 1.25rem;
    border-radius: 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn.active, @media(hover: hover) { .filter-btn:hover } {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.portfolio-item { transition: opacity 0.4s ease, transform 0.4s ease; }
.portfolio-item.hide { display: none; }

.portfolio-card {
    position: relative;
    border-radius: 1.5rem;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--glass-bg);
}

.portfolio-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5,8,22,0.95), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.portfolio-overlay h4 { font-size: 1.5rem; margin-bottom: 0.25rem; transform: translateY(10px); transition: transform var(--transition-fast); }
.portfolio-overlay span { color: var(--primary); font-size: 0.875rem; transform: translateY(10px); transition: transform var(--transition-fast) 0.1s; }

@media (hover: hover) and (pointer: fine) {
    .portfolio-card:hover img { transform: scale(1.05); }
    .portfolio-card:hover .portfolio-overlay { opacity: 1; }
    .portfolio-card:hover .portfolio-overlay h4, .portfolio-card:hover .portfolio-overlay span { transform: translateY(0); }
}

/* Lightbox Modal */
.lightbox {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.95);
    z-index: 99999;
    display: flex; justify-content: center; align-items: center;
    opacity: 0; pointer-events: none;
    transition: opacity var(--transition-fast);
    padding: 2rem;
}
.lightbox.active { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 100%; max-height: 90vh; border-radius: 1rem; object-fit: contain; }
.close-lightbox {
    position: absolute; top: 1.5rem; right: 2rem;
    background: transparent; border: none;
    color: #fff; font-size: 3rem; line-height: 1;
    cursor: pointer;
}

/* ==========================================================================
   Testimonials (Native Scroll Snapping for Mobile)
   ========================================================================== */
.testimonial-slider {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 2rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}
.testimonial-slider::-webkit-scrollbar { display: none; /* Chrome */ }

.testimonial-card {
    min-width: calc(100% - 2rem); /* Mobile width */
    scroll-snap-align: center;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) { .testimonial-card { min-width: calc(50% - 1rem); } }
@media (min-width: 1024px) { .testimonial-card { min-width: calc(33.333% - 1.33rem); } }

.stars { color: #F59E0B; margin-bottom: 1.5rem; font-size: 1.25rem; }
.review { font-size: 1.1rem; line-height: 1.7; flex-grow: 1; margin-bottom: 2rem; color: #E2E8F0; }
.author h4 { color: var(--primary); font-size: 1.1rem; }
.author span { color: var(--text-muted); font-size: 0.875rem; }

/* ==========================================================================
   Blog & Careers
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card { overflow: hidden; display: flex; flex-direction: column; padding: 0; }
.blog-image { height: 240px; background-size: cover; background-position: center; transition: transform var(--transition-slow); }
.blog-content { padding: 2rem; display: flex; flex-direction: column; flex-grow: 1; background: var(--glass-bg); }
.category { color: var(--primary); font-size: 0.8rem; font-weight: 600; text-transform: uppercase; margin-bottom: 1rem; }
.blog-card h3 { font-size: 1.25rem; margin-bottom: 1.5rem; flex-grow: 1; }
.read-more { font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; }
.read-more .arrow { transition: transform var(--transition-fast); }

@media (hover: hover) {
    .blog-card:hover .blog-image { transform: scale(1.05); }
    .blog-card:hover .read-more .arrow { transform: translateX(5px); }
}

.careers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.career-card { text-align: center; padding: 3rem 2rem; }
.career-card h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.career-card p { color: var(--text-muted); margin-bottom: 2rem; }

/* ==========================================================================
   Contact Form Setup
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 992px) {
    .contact-grid { grid-template-columns: 1fr 1.2fr; gap: 5rem; }
}

.contact-info h2 { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: 1rem; }
.contact-info p { color: var(--text-muted); margin-bottom: 3rem; font-size: 1.1rem; }
.contact-methods { display: flex; flex-direction: column; gap: 1.5rem; }

.method-card { padding: 1.5rem; text-align: left; }
.method-card h4 { color: var(--primary); margin-bottom: 0.25rem; font-size: 1.1rem; }

.contact-form-wrapper { padding: clamp(2rem, 5vw, 3rem); }

.form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }

.input-group { position: relative; }
.input-group input, .input-group textarea, .input-group select {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    padding: 1.2rem;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition-fast);
    appearance: none;
}
.input-group input:focus, .input-group textarea:focus, .input-group select:focus { border-color: var(--primary); background: rgba(255, 255, 255, 0.05); }

.input-group label {
    position: absolute;
    left: 1.2rem; top: 1.2rem;
    color: var(--text-muted);
    transition: all 0.2s ease;
    pointer-events: none;
}

.input-group input:focus ~ label, .input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label, .input-group textarea:not(:placeholder-shown) ~ label {
    top: -0.6rem; left: 1rem;
    font-size: 0.8rem;
    background: var(--bg-dark);
    padding: 0 0.5rem;
    color: var(--primary);
    border-radius: 4px;
}

select option { background: var(--bg-dark); color: #fff; }
.submit-btn { width: 100%; padding: 1.2rem; font-size: 1.1rem; margin-top: 1rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 5rem 0 2rem;
    background: #03050d;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; gap: 4rem; }
}

.footer-brand h2 { font-size: 2rem; margin-bottom: 1rem; }
.footer-brand span { color: var(--primary); }
.footer-brand p { color: var(--text-muted); max-width: 300px; }
.footer-links h4, .footer-social h4 { margin-bottom: 1.5rem; font-size: 1.1rem; }
.footer-links li, .footer-social li { margin-bottom: 0.75rem; }
.footer-links a, .footer-social a { color: var(--text-muted); }

@media (hover: hover) {
    .footer-links a:hover, .footer-social a:hover { color: var(--primary); }
}

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

/* ==========================================================================
   Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: opacity, transform;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}