/* ============================================ */
/* Global & Reset Styles                        */
/* ============================================ */

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

::selection {
    background: rgba(108, 99, 255, 0.3);
    color: #fff;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #0a0a1a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #6C63FF, #00D4AA);
    border-radius: 3px;
}

html {
    scroll-behavior: smooth;
}

body {
    cursor: default;
}

/* ============================================ */
/* Three.js Canvas                              */
/* ============================================ */

#three-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ============================================ */
/* Custom Cursor                                */
/* ============================================ */

.custom-cursor {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(108, 99, 255, 0.6);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease, border-color 0.3s ease;
    mix-blend-mode: difference;
}

.custom-cursor.hover {
    transform: scale(2);
    border-color: rgba(0, 212, 170, 0.8);
}

.cursor-dot {
    width: 5px;
    height: 5px;
    background: #6C63FF;
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.08s ease;
}

/* ============================================ */
/* Navigation                                   */
/* ============================================ */

#navbar.scrolled {
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s ease;
    padding: 0.25rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: rgba(255, 255, 255, 0.95);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6C63FF, #00D4AA);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.mobile-nav-link {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.mobile-nav-link:hover {
    color: #6C63FF;
    transform: translateX(10px);
}

/* Menu Toggle Active State */
#menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-toggle.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(4px, -4px);
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

/* ============================================ */
/* Animations                                   */
/* ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes scrollDot {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(6px); }
}

@keyframes bounceSlow {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(108, 99, 255, 0.3); }
    50% { box-shadow: 0 0 20px rgba(108, 99, 255, 0.6), 0 0 40px rgba(108, 99, 255, 0.2); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.animation-delay-200 { animation-delay: 0.2s; }
.animation-delay-400 { animation-delay: 0.4s; }
.animation-delay-500 { animation-delay: 0.5s; }
.animation-delay-600 { animation-delay: 0.6s; }

.animate-bounce-slow {
    animation: bounceSlow 3s ease-in-out infinite;
}

.animate-scroll-dot {
    animation: scrollDot 1.5s ease-in-out infinite;
}

.typing-cursor {
    animation: blink 0.8s ease-in-out infinite;
}

/* ============================================ */
/* Skill Cards                                  */
/* ============================================ */

.skill-card {
    position: relative;
    transition: all 0.6s ease;
}

.skill-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-bar {
    width: 0;
    transition: width 1.5s ease;
}

.skill-bar.animate {
    /* Width set via JS from data-width */
}

/* ============================================ */
/* Project Cards                                */
/* ============================================ */

.project-card {
    transition: all 0.6s ease;
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================ */
/* Section Reveal Animation                     */
/* ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================ */
/* Glassmorphism Utilities                      */
/* ============================================ */

.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ============================================ */
/* Gradient Text Animation                      */
/* ============================================ */

.gradient-text-animated {
    background: linear-gradient(270deg, #6C63FF, #00D4AA, #FF6B9D, #6C63FF);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease infinite;
}

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

@media (max-width: 768px) {
    .custom-cursor,
    .cursor-dot {
        display: none;
    }
}

/* ============================================ */
/* Page Load Animation                          */
/* ============================================ */

.page-loader {
    position: fixed;
    inset: 0;
    background: #0a0a1a;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(108, 99, 255, 0.2);
    border-top: 3px solid #6C63FF;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================ */
/* AOS Custom Overrides                         */
/* ============================================ */

[data-aos] {
    transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Smoother zoom-in for skill cards */
[data-aos="zoom-in"] {
    transform: scale(0.85);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}