/* Globals & Variables */
:root {
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --color-primary: #00f0ff;
    --color-secondary: #7000ff;
    --color-accent: #ff0055;
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(25, 25, 35, 0.2);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --gradient-1: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    --gradient-2: linear-gradient(45deg, var(--color-secondary), var(--color-accent));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    cursor: none; /* For custom cursor */
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Custom Cursor */
.cursor {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-secondary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.1s, width 0.2s, height 0.2s, background 0.2s, border-color 0.2s;
}

.cursor.hovered {
    width: 20px;
    height: 20px;
    background: transparent;
    border: 2px solid var(--color-accent);
}
.cursor-follower.hovered {
    width: 60px;
    height: 60px;
    background: rgba(255, 0, 85, 0.1);
    border-color: transparent;
}

/* Utility Classes */
.no-scroll {
    overflow: hidden !important;
}

/* Particle Canvas */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
}

/* Typography & Utils */
.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.2rem;
        margin-bottom: 2rem;
    }
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.btn-primary {
    background: var(--gradient-1);
    color: var(--bg-dark);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}
.btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
    transform: translateY(-3px);
}
.btn-secondary {
    color: var(--text-main);
    border: 1px solid var(--color-primary);
}
.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
    transform: translateY(-3px);
}
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-main);
    background: rgba(255,255,255,0.1);
    transition: all 0.3s;
}
.btn-sm:hover {
    background: var(--gradient-1);
    color: var(--bg-dark);
}

/* Layout */
.perspective-container {
    perspective: 1000px; /* 3D perspective to parent container */
}

section {
    min-height: 100vh;
    padding: 120px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden; /* Prevent local overflows */
}

@media (max-width: 992px) {
    section {
        padding: 100px 7%;
        min-height: auto;
    }
}

@media (max-width: 480px) {
    section {
        padding: 80px 5%;
    }
}

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

/* Scroll Reveal Animations */
.observe-section {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.observe-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll to Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    text-decoration: none;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}
.scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.scroll-top-btn:hover {
    background: var(--gradient-1);
    color: var(--bg-dark);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 240, 255, 0.4);
}

/* Mobile cursor reset */
@media (max-width: 768px) {
    .cursor, .cursor-follower { display: none; } /* Disable custom cursor on mobile */
    * { cursor: auto; }
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}