/* ============================================
   PORTFOLIO - DESIGN SYSTEM & STYLES
   Author: Abhijeet Rane
   Theme: Dark (default) + Light toggle
   ============================================ */

/* ---- 1. CSS CUSTOM PROPERTIES ---- */
:root {
    /* Dark Theme (default) */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0d1117;
    --bg-tertiary: #161b22;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    --glass-blur: 16px;

    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-heading: #ffffff;
    --text-accent: #00d4ff;

    /* Accent Colors */
    --accent-cyan: #00d4ff;
    --accent-purple: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #00d4ff, #7c3aed);
    --accent-gradient-hover: linear-gradient(135deg, #00e5ff, #8b5cf6);
    --accent-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --accent-glow-strong: 0 0 30px rgba(0, 212, 255, 0.4), 0 0 60px rgba(0, 212, 255, 0.15);

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-padding: clamp(1rem, 5vw, 5rem);
    --section-padding: clamp(4rem, 8vw, 8rem);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Navbar */
    --navbar-height: 72px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-card: rgba(0, 0, 0, 0.02);
    --bg-card-hover: rgba(0, 0, 0, 0.04);

    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-border-hover: rgba(0, 0, 0, 0.15);

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-heading: #0f172a;
    --text-accent: #0284c7;

    --accent-glow: 0 0 20px rgba(0, 212, 255, 0.15);
    --accent-glow-strong: 0 0 30px rgba(0, 212, 255, 0.2);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}


/* ---- 2. CSS RESET & BASE ---- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

body.no-scroll { overflow: hidden; }
body.loading { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul, ol { list-style: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; color: inherit; }
input, textarea { font-family: inherit; font-size: inherit; }
strong { color: var(--text-heading); font-weight: 600; }
::selection { background: rgba(0, 212, 255, 0.3); color: var(--text-heading); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-cyan); }


/* ---- 3. UTILITY CLASSES ---- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-hover);
}

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}

.skip-link {
    position: fixed; top: -100px; left: 50%; transform: translateX(-50%);
    background: var(--accent-gradient); color: #fff; padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm); z-index: 10001; font-weight: 600;
    transition: top var(--transition-fast);
}
.skip-link:focus { top: 10px; }

/* Section Header */
.section__header { text-align: center; margin-bottom: var(--space-3xl); }

.section__label {
    display: inline-block; font-size: 0.875rem; font-weight: 500;
    color: var(--accent-cyan); text-transform: uppercase;
    letter-spacing: 0.1em; margin-bottom: var(--space-sm);
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700; color: var(--text-heading); line-height: 1.2;
}

.section__subtitle {
    font-size: 1.1rem; color: var(--text-secondary);
    margin-top: var(--space-md); max-width: 500px;
    margin-left: auto; margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: var(--space-sm);
    padding: 0.8rem 1.8rem; font-size: 0.95rem; font-weight: 600;
    border-radius: var(--border-radius-full); transition: all var(--transition-base);
    cursor: pointer; position: relative; overflow: hidden; border: none;
}

.btn--primary {
    background: var(--accent-gradient); color: #fff;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}
.btn--primary:hover {
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.45);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent; color: var(--text-primary);
    border: 1px solid var(--glass-border);
}
.btn--outline:hover {
    border-color: var(--accent-cyan); color: var(--accent-cyan);
    box-shadow: var(--accent-glow); transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }

/* Tags */
.tag {
    display: inline-block; padding: 0.25rem 0.65rem; font-size: 0.75rem;
    font-weight: 500; color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.08); border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: var(--border-radius-full); white-space: nowrap;
}

/* Pills */
.pill {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 500;
    color: var(--text-primary); background: var(--bg-card);
    border: 1px solid var(--glass-border); border-radius: var(--border-radius-full);
    transition: all var(--transition-base); cursor: default;
}
.pill:hover {
    border-color: var(--accent-cyan); color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.12); transform: translateY(-2px);
}
.pill i { font-size: 0.8rem; opacity: 0.8; }


/* ---- 4. PRELOADER ---- */
.preloader {
    position: fixed; inset: 0; z-index: 10000; background: var(--bg-primary);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader__content { text-align: center; }

.preloader__svg { width: 200px; height: 70px; }

.preloader__text {
    font-family: var(--font-heading); font-size: 48px; font-weight: 700;
    fill: none; stroke: var(--accent-cyan); stroke-width: 1.5;
    stroke-dasharray: 300; stroke-dashoffset: 300;
    animation: drawText 2s ease forwards;
}

.preloader__bar {
    width: 120px; height: 3px; background: var(--glass-border);
    border-radius: 3px; margin: 1.5rem auto 0; overflow: hidden;
}
.preloader__bar-fill {
    width: 0%; height: 100%; background: var(--accent-gradient);
    border-radius: 3px; animation: loadBar 1.8s ease forwards;
}


/* ---- 5. CUSTOM CURSOR ---- */
.cursor-dot {
    position: fixed; width: 8px; height: 8px; background: var(--accent-cyan);
    border-radius: 50%; pointer-events: none; z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease;
}
.cursor-ring {
    position: fixed; width: 40px; height: 40px;
    border: 1.5px solid rgba(0, 212, 255, 0.4); border-radius: 50%;
    pointer-events: none; z-index: 9998; transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease, transform 0.15s ease-out;
}
.cursor-dot.hover { width: 4px; height: 4px; }
.cursor-ring.hover { width: 60px; height: 60px; border-color: rgba(0, 212, 255, 0.6); }

@media (pointer: coarse), (max-width: 1024px) {
    .cursor-dot, .cursor-ring { display: none !important; }
}


/* ---- 6. SCROLL PROGRESS BAR ---- */
.scroll-progress {
    position: fixed; top: 0; left: 0; width: 0%; height: 3px;
    background: var(--accent-gradient); z-index: 9997;
}


/* ---- 7. NAVBAR ---- */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; height: var(--navbar-height);
    z-index: 1000; display: flex; align-items: center;
    transition: all var(--transition-base);
}
.navbar--scrolled {
    background: rgba(10, 10, 15, 0.85); backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border); box-shadow: var(--shadow-sm);
}
[data-theme="light"] .navbar--scrolled { background: rgba(248, 250, 252, 0.9); }

.navbar__container {
    display: flex; align-items: center; justify-content: space-between;
    max-width: var(--container-max); width: 100%; margin: 0 auto;
    padding: 0 var(--container-padding);
}

.navbar__logo {
    font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700;
    color: var(--text-heading); display: flex; align-items: center; gap: 0.15rem;
    position: relative;
}
.navbar__logo-bracket {
    font-weight: 400; color: var(--text-secondary); font-size: 1.2rem;
    opacity: 0.6; transition: all var(--transition-base);
}
.navbar__logo:hover .navbar__logo-bracket { opacity: 1; color: var(--accent-cyan); }
.navbar__logo-text { color: var(--text-heading); }
.navbar__logo-accent {
    background: var(--accent-gradient); -webkit-background-clip: text;
    background-clip: text; -webkit-text-fill-color: transparent;
}
.navbar__logo-cloud {
    font-size: 0.65rem; color: var(--accent-cyan); margin-left: 0.3rem;
    opacity: 0.7; animation: float 4s ease-in-out infinite;
    transition: all var(--transition-base);
}
.navbar__logo:hover .navbar__logo-cloud { opacity: 1; filter: drop-shadow(0 0 4px rgba(0, 212, 255, 0.5)); }

.navbar__menu { display: flex; align-items: center; gap: var(--space-xl); }

.navbar__link {
    font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
    position: relative; padding: 0.25rem 0; transition: color var(--transition-fast);
}
.navbar__link::after {
    content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
    background: var(--accent-gradient); transition: width var(--transition-base); border-radius: 1px;
}
.navbar__link:hover, .navbar__link.active { color: var(--text-heading); }
.navbar__link:hover::after, .navbar__link.active::after { width: 100%; }

.navbar__actions { display: flex; align-items: center; gap: var(--space-md); }

/* Theme Toggle */
.theme-toggle {
    width: 40px; height: 40px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-card); border: 1px solid var(--glass-border);
    transition: all var(--transition-base); position: relative; overflow: hidden;
}
.theme-toggle:hover { border-color: var(--accent-cyan); box-shadow: var(--accent-glow); }

.theme-toggle__icon { position: absolute; font-size: 1rem; transition: all var(--transition-base); }
.theme-toggle__icon--dark { opacity: 1; transform: rotate(0deg); }
.theme-toggle__icon--light { opacity: 0; transform: rotate(180deg); }
[data-theme="light"] .theme-toggle__icon--dark { opacity: 0; transform: rotate(-180deg); }
[data-theme="light"] .theme-toggle__icon--light { opacity: 1; transform: rotate(0deg); color: #f59e0b; }

.navbar__cta {
    padding: 0.5rem 1.25rem; font-size: 0.85rem; font-weight: 600; color: #fff;
    background: var(--accent-gradient); border-radius: var(--border-radius-full);
    transition: all var(--transition-base); box-shadow: 0 2px 10px rgba(0, 212, 255, 0.25);
}
.navbar__cta:hover { box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4); transform: translateY(-1px); }

/* Hamburger */
.navbar__hamburger {
    display: none; flex-direction: column; gap: 5px; padding: 8px; z-index: 1001;
}
.navbar__hamburger span {
    width: 24px; height: 2px; background: var(--text-heading);
    border-radius: 2px; transition: all var(--transition-base); transform-origin: center;
}
.navbar__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__hamburger.active span:nth-child(2) { opacity: 0; }
.navbar__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }


/* ---- 8. MOBILE MENU ---- */
.mobile-menu {
    position: fixed; inset: 0; z-index: 999;
    background: rgba(10, 10, 15, 0.97); backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: var(--space-3xl); opacity: 0; visibility: hidden; transition: all var(--transition-base);
}
[data-theme="light"] .mobile-menu { background: rgba(248, 250, 252, 0.97); }
.mobile-menu.active { opacity: 1; visibility: visible; }

.mobile-menu__list { display: flex; flex-direction: column; align-items: center; gap: var(--space-xl); }

.mobile-menu__link {
    font-family: var(--font-heading); font-size: 1.75rem; font-weight: 600;
    color: var(--text-heading); transition: all var(--transition-base);
    opacity: 0; transform: translateY(20px);
}
.mobile-menu.active .mobile-menu__link { opacity: 1; transform: translateY(0); }
.mobile-menu.active .mobile-menu__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-menu__link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-menu__link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-menu__link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-menu__link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-menu__link:nth-child(6) { transition-delay: 0.35s; }
.mobile-menu__link:hover { color: var(--accent-cyan); }

.mobile-menu__socials { display: flex; gap: var(--space-lg); }
.mobile-menu__socials a {
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--glass-border); border-radius: 50%; color: var(--text-secondary);
    font-size: 1.1rem; transition: all var(--transition-base);
}
.mobile-menu__socials a:hover { color: var(--accent-cyan); border-color: var(--accent-cyan); box-shadow: var(--accent-glow); }


/* ---- 9. HERO SECTION ---- */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    position: relative; overflow: hidden; padding-top: var(--navbar-height);
}

.hero__bg { position: absolute; inset: 0; z-index: 0; }

.hero__mesh {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    animation: meshShift 15s ease-in-out infinite alternate;
}
[data-theme="light"] .hero__mesh {
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(0, 212, 255, 0.04) 0%, transparent 50%);
}

.hero__grid {
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
}
[data-theme="light"] .hero__grid {
    background-image: radial-gradient(circle, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

/* Floating Geometric Shapes */
.hero__shape { position: absolute; border-radius: 12px; opacity: 0.15; pointer-events: none; }
.hero__shape--1 {
    width: 80px; height: 80px; border: 2px solid var(--accent-cyan);
    top: 15%; right: 15%; animation: float 8s ease-in-out infinite, rotate 20s linear infinite;
}
.hero__shape--2 {
    width: 50px; height: 50px; background: var(--accent-gradient);
    top: 60%; right: 25%; border-radius: 50%; animation: float 6s ease-in-out infinite 1s;
}
.hero__shape--3 {
    width: 100px; height: 100px; border: 2px solid var(--accent-purple);
    bottom: 20%; left: 10%; border-radius: 50%; animation: float 10s ease-in-out infinite 2s;
}
.hero__shape--4 {
    width: 60px; height: 60px; border: 2px solid var(--accent-cyan);
    top: 30%; left: 20%; transform: rotate(45deg); animation: float 7s ease-in-out infinite 0.5s;
}

.hero__container {
    position: relative; z-index: 1; max-width: var(--container-max); width: 100%;
    margin: 0 auto; padding: 0 var(--container-padding); display: flex;
    flex-direction: column; min-height: calc(100vh - var(--navbar-height)); justify-content: center;
}
.hero__content { max-width: 700px; }

.hero__greeting {
    font-size: 1.1rem; font-weight: 500; color: var(--accent-cyan);
    margin-bottom: var(--space-sm); letter-spacing: 0.05em;
}

.hero__name {
    font-family: var(--font-heading); font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700; line-height: 1.1; margin-bottom: var(--space-lg);
}
.hero__name-first { display: block; color: var(--text-heading); }
.hero__name-last {
    display: block; background: var(--accent-gradient);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

.hero__role {
    font-size: clamp(1.1rem, 2vw, 1.4rem); color: var(--text-secondary);
    margin-bottom: var(--space-lg); min-height: 2.5rem;
}
.hero__role-dynamic { color: var(--accent-cyan); font-weight: 500; }
.hero__role-cursor { color: var(--accent-cyan); animation: blink 0.8s step-end infinite; font-weight: 300; }

.hero__tagline {
    font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7;
    margin-bottom: var(--space-2xl); max-width: 550px;
}

.hero__actions { display: flex; gap: var(--space-md); flex-wrap: wrap; margin-bottom: var(--space-2xl); }
.hero__socials { display: flex; gap: var(--space-md); }

.hero__social-link {
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--glass-border); border-radius: 50%; color: var(--text-secondary);
    font-size: 1.1rem; transition: all var(--transition-base);
}
.hero__social-link:hover {
    color: var(--accent-cyan); border-color: var(--accent-cyan);
    box-shadow: var(--accent-glow); transform: translateY(-3px);
}

.hero__scroll-indicator {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: var(--space-sm);
    color: var(--text-secondary); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.hero__mouse {
    width: 24px; height: 38px; border: 2px solid var(--glass-border);
    border-radius: 12px; position: relative;
}
.hero__mouse-wheel {
    width: 3px; height: 8px; background: var(--accent-cyan); border-radius: 2px;
    position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}


/* ---- 10. ABOUT SECTION ---- */
.about__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-3xl); align-items: center; }
.about__image-wrapper { display: flex; justify-content: center; }

.about__image-border {
    position: relative; padding: 4px; border-radius: 20px;
    background: var(--accent-gradient); background-size: 300% 300%;
    animation: gradientBorder 4s ease infinite; max-width: 320px;
}
.about__image { border-radius: 16px; width: 100%; object-fit: cover; aspect-ratio: 1; }

.about__text { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: var(--space-md); }
.about__text:last-of-type { margin-bottom: var(--space-2xl); }

.about__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }

.stat {
    text-align: center; padding: var(--space-lg); background: var(--bg-card);
    border: 1px solid var(--glass-border); border-radius: var(--border-radius);
    transition: all var(--transition-base);
}
.stat:hover { border-color: var(--accent-cyan); box-shadow: var(--accent-glow); transform: translateY(-4px); }

.stat__number {
    font-family: var(--font-heading); font-size: 2.25rem; font-weight: 700;
    background: var(--accent-gradient); -webkit-background-clip: text;
    background-clip: text; -webkit-text-fill-color: transparent; display: inline;
}
.stat__plus {
    font-family: var(--font-heading); font-size: 2.25rem; font-weight: 700;
    background: var(--accent-gradient); -webkit-background-clip: text;
    background-clip: text; -webkit-text-fill-color: transparent;
}
.stat__label {
    display: block; font-size: 0.85rem; color: var(--text-secondary);
    margin-top: var(--space-xs); font-weight: 500;
}



/* ---- 11. EXPERIENCE TIMELINE ---- */
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 40px; }

.timeline__line {
    position: absolute; left: 14px; top: 0; bottom: 0; width: 2px; background: var(--glass-border);
}
.timeline__line-fill {
    width: 100%; height: 0%; background: var(--accent-gradient); transition: height 0.1s linear;
}

.timeline__item { position: relative; margin-bottom: var(--space-2xl); }
.timeline__item:last-child { margin-bottom: 0; }

.timeline__dot {
    position: absolute; left: -33px; top: 2rem; width: 16px; height: 16px;
    border-radius: 50%; background: var(--bg-primary); border: 2px solid var(--accent-cyan);
    z-index: 2; display: flex; align-items: center; justify-content: center;
}
.timeline__dot-inner {
    width: 6px; height: 6px; border-radius: 50%; background: var(--accent-cyan);
    animation: glowPulse 2s ease-in-out infinite;
}

.timeline__card { padding: var(--space-xl); }

.timeline__date-badge {
    display: inline-block; padding: 0.3rem 0.8rem; font-size: 0.8rem; font-weight: 600;
    color: #fff; background: var(--accent-gradient); border-radius: var(--border-radius-full);
    margin-bottom: var(--space-md);
}

.timeline__role {
    font-family: var(--font-heading); font-size: 1.25rem; font-weight: 600;
    color: var(--text-heading); margin-bottom: var(--space-xs); line-height: 1.3;
}
.timeline__highlight { color: var(--accent-cyan); font-weight: 500; }

.timeline__company {
    font-size: 1rem; color: var(--text-secondary); margin-bottom: var(--space-md);
    display: flex; align-items: center; gap: var(--space-sm); flex-wrap: wrap;
}
.timeline__company i { color: var(--accent-cyan); font-size: 0.85rem; }

.timeline__badge {
    display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.15rem 0.6rem;
    font-size: 0.7rem; font-weight: 600; border-radius: var(--border-radius-full);
    text-transform: uppercase; letter-spacing: 0.05em;
}
.timeline__badge--live {
    color: #22c55e; background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.2);
    text-decoration: none; transition: all var(--transition-fast); cursor: pointer;
}
.timeline__badge--live:hover {
    background: rgba(34, 197, 94, 0.2); border-color: rgba(34, 197, 94, 0.4);
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.15); transform: translateY(-1px);
}
.timeline__badge--live i { font-size: 0.6rem; }

.timeline__details { list-style: none; padding: 0; margin-bottom: var(--space-md); }
.timeline__details li {
    position: relative; padding-left: var(--space-lg); margin-bottom: var(--space-sm);
    font-size: 0.92rem; color: var(--text-secondary); line-height: 1.6;
}
.timeline__details li::before {
    content: ''; position: absolute; left: 0; top: 0.7rem;
    width: 6px; height: 6px; border-radius: 50%; background: var(--accent-cyan); opacity: 0.6;
}
.timeline__tags { display: flex; flex-wrap: wrap; gap: var(--space-sm); }


/* ---- 12. SKILLS SECTION ---- */
.skills__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); }
.skills__category { padding: var(--space-xl); }

.skills__category-header {
    display: flex; align-items: center; gap: var(--space-md); margin-bottom: var(--space-lg);
}
.skills__category-icon {
    width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: var(--accent-cyan); background: rgba(0, 212, 255, 0.08);
    border-radius: var(--border-radius-sm);
}
.skills__category-title {
    font-family: var(--font-heading); font-size: 1.15rem; font-weight: 600; color: var(--text-heading);
}
.skills__pills { display: flex; flex-wrap: wrap; gap: var(--space-sm); }


/* ---- 13. PROJECTS BENTO GRID ---- */
.projects__bento { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }

.project-card {
    position: relative; overflow: hidden; cursor: default;
    min-height: 280px; display: flex; flex-direction: column;
}
.project-card__gradient {
    position: absolute; inset: 0; opacity: 0.12; transition: opacity var(--transition-base);
}
.project-card:hover .project-card__gradient { opacity: 0.2; }

.project-card__content {
    position: relative; z-index: 1; padding: var(--space-xl);
    display: flex; flex-direction: column; height: 100%;
}
.project-card__header {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: var(--space-md);
}
.project-card__label {
    font-size: 0.75rem; font-weight: 600; color: var(--accent-cyan);
    text-transform: uppercase; letter-spacing: 0.08em;
}
.project-card__links { display: flex; gap: var(--space-sm); }
.project-card__link {
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--glass-border); border-radius: 50%; color: var(--text-secondary);
    font-size: 0.9rem; transition: all var(--transition-base);
}
.project-card__link:hover {
    color: var(--accent-cyan); border-color: var(--accent-cyan);
    box-shadow: var(--accent-glow); transform: translateY(-2px);
}
.project-card__title {
    font-family: var(--font-heading); font-size: 1.35rem; font-weight: 600;
    color: var(--text-heading); margin-bottom: var(--space-sm);
}
.project-card__desc {
    font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7;
    margin-bottom: auto; padding-bottom: var(--space-md);
}
/* APK download button */
.project-card__apk-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1rem; margin-bottom: var(--space-md);
    font-size: 0.8rem; font-weight: 600; color: #22c55e;
    background: rgba(34, 197, 94, 0.08); border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--border-radius-full); transition: all var(--transition-base);
    text-decoration: none; width: fit-content;
}
.project-card__apk-btn:hover {
    background: rgba(34, 197, 94, 0.15); border-color: rgba(34, 197, 94, 0.4);
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.15); transform: translateY(-2px);
    color: #22c55e;
}
.project-card__apk-btn i { font-size: 1rem; }
.project-card__apk-badge {
    font-size: 0.6rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.05em; padding: 0.1rem 0.4rem;
    background: rgba(34, 197, 94, 0.15); border-radius: var(--border-radius-full);
}

.project-card__link--download { border-color: rgba(34, 197, 94, 0.3); }
.project-card__link--download:hover {
    color: #22c55e; border-color: #22c55e;
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.2);
}

.project-card__tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); }


/* ---- 14. CERTIFICATIONS ---- */
.certs__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-md); }

.cert-card {
    padding: var(--space-lg) var(--space-xl); display: flex; align-items: center;
    gap: var(--space-lg); cursor: pointer; transition: all var(--transition-base);
}
.cert-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.cert-card--highlight { border-color: rgba(234, 179, 8, 0.3); background: rgba(234, 179, 8, 0.03); }
.cert-card--highlight:hover { border-color: rgba(234, 179, 8, 0.5); box-shadow: 0 0 20px rgba(234, 179, 8, 0.15); }

.cert-card__icon {
    flex-shrink: 0; width: 50px; height: 50px; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: var(--accent-cyan); background: rgba(0, 212, 255, 0.08);
    border-radius: var(--border-radius-sm);
}
.cert-card--highlight .cert-card__icon { color: #eab308; background: rgba(234, 179, 8, 0.1); }

.cert-card__info { flex: 1; min-width: 0; }
.cert-card__title {
    font-family: var(--font-heading); font-size: 1rem; font-weight: 600;
    color: var(--text-heading); margin-bottom: 0.15rem;
}
.cert-card__issuer { font-size: 0.85rem; color: var(--text-secondary); }
.cert-card__score { margin-top: var(--space-xs); }
.cert-card__score-value { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; color: #eab308; }
.cert-card__score-total { font-size: 0.85rem; color: var(--text-secondary); }

.cert-card__badge {
    flex-shrink: 0; display: flex; align-items: center; gap: 0.3rem;
    padding: 0.3rem 0.75rem; font-size: 0.75rem; font-weight: 600;
    border-radius: var(--border-radius-full);
}
.cert-card__badge--verified {
    color: #22c55e; background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.2);
}
.cert-card__badge--progress {
    color: #eab308; background: rgba(234, 179, 8, 0.1); border: 1px solid rgba(234, 179, 8, 0.2);
}
.cert-card__badge--progress i { animation: spin 2s linear infinite; }


/* ---- 15. EDUCATION ---- */
.education__card {
    padding: var(--space-2xl); display: flex; align-items: flex-start;
    gap: var(--space-xl); max-width: 700px; margin: 0 auto;
}
.education__icon {
    flex-shrink: 0; width: 60px; height: 60px; display: flex; align-items: center;
    justify-content: center; font-size: 1.5rem; color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.08); border-radius: var(--border-radius);
}
.education__degree {
    font-family: var(--font-heading); font-size: 1.35rem; font-weight: 600;
    color: var(--text-heading); margin-bottom: var(--space-xs);
}
.education__institution {
    font-size: 1.05rem; color: var(--accent-cyan); font-weight: 500; margin-bottom: var(--space-md);
}
.education__meta { display: flex; flex-wrap: wrap; gap: var(--space-lg); }
.education__meta span {
    display: flex; align-items: center; gap: var(--space-sm); font-size: 0.9rem; color: var(--text-secondary);
}
.education__meta i { color: var(--accent-cyan); font-size: 0.8rem; }


/* ---- 16. CONTACT SECTION ---- */
.contact__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-2xl); }
.contact__info-card { padding: var(--space-xl); margin-bottom: var(--space-lg); }

.contact__info-item { display: flex; align-items: flex-start; gap: var(--space-md); padding: var(--space-md) 0; }
.contact__info-item:not(:last-child) { border-bottom: 1px solid var(--glass-border); }

.contact__info-icon {
    width: 42px; height: 42px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: var(--accent-cyan); background: rgba(0, 212, 255, 0.08);
    border-radius: var(--border-radius-sm);
}
.contact__info-item h4 {
    font-size: 0.8rem; font-weight: 600; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.15rem;
}
.contact__info-item a, .contact__info-item p { font-size: 0.95rem; color: var(--text-heading); }
.contact__info-item a:hover { color: var(--accent-cyan); }

.contact__socials { display: flex; gap: var(--space-md); }
.contact__social-btn {
    display: flex; align-items: center; gap: var(--space-sm); padding: 0.6rem 1.2rem;
    font-size: 0.9rem; font-weight: 500; color: var(--text-primary); background: var(--bg-card);
    border: 1px solid var(--glass-border); border-radius: var(--border-radius-full);
    transition: all var(--transition-base);
}
.contact__social-btn:hover {
    border-color: var(--accent-cyan); color: var(--accent-cyan);
    box-shadow: var(--accent-glow); transform: translateY(-2px);
}

.contact__form { padding: var(--space-xl); }
.form__group { position: relative; margin-bottom: var(--space-lg); }

.form__input {
    width: 100%; padding: 1rem 1rem 0.75rem; font-size: 0.95rem; color: var(--text-heading);
    background: rgba(255, 255, 255, 0.02); border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm); outline: none; transition: all var(--transition-base);
}
[data-theme="light"] .form__input { background: rgba(0, 0, 0, 0.02); }
.form__input:focus { border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1); }
.form__textarea { resize: vertical; min-height: 130px; }

.form__label {
    position: absolute; top: 1rem; left: 1rem; font-size: 0.95rem; color: var(--text-secondary);
    pointer-events: none; transition: all var(--transition-fast); background: transparent;
}
.form__input:focus ~ .form__label,
.form__input:not(:placeholder-shown) ~ .form__label {
    top: -0.5rem; left: 0.75rem; font-size: 0.75rem; color: var(--accent-cyan);
    background: var(--bg-primary); padding: 0 0.25rem;
}
[data-theme="light"] .form__input:focus ~ .form__label,
[data-theme="light"] .form__input:not(:placeholder-shown) ~ .form__label {
    background: var(--bg-secondary);
}

.form__status { margin-top: var(--space-md); text-align: center; font-size: 0.9rem; min-height: 1.5rem; }
.form__status--success { color: #22c55e; }
.form__status--error { color: #ef4444; }


/* ---- 17. FOOTER ---- */
.footer { position: relative; background: var(--bg-secondary); }
.footer__wave { color: var(--bg-secondary); line-height: 0; margin-top: -1px; }
.footer__wave svg { width: 100%; height: 80px; }
.footer__content { padding: var(--space-3xl) 0 var(--space-xl); }

.footer__grid {
    display: grid; grid-template-columns: 1fr; gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer__logo {
    font-family: var(--font-heading); font-size: 2rem; font-weight: 700; color: var(--text-heading);
    display: inline-flex; align-items: center; gap: 0.1rem;
}
.footer__logo-bracket {
    font-weight: 400; color: var(--text-secondary); font-size: 1.6rem; opacity: 0.5;
}
.footer__logo-accent {
    background: var(--accent-gradient); -webkit-background-clip: text;
    background-clip: text; -webkit-text-fill-color: transparent;
}
.footer__tagline { font-size: 0.9rem; color: var(--text-secondary); margin-top: var(--space-sm); }

.footer__links h4, .footer__social h4 {
    font-family: var(--font-heading); font-size: 1rem; font-weight: 600;
    color: var(--text-heading); margin-bottom: var(--space-md);
}
.footer__links a {
    display: block; font-size: 0.9rem; color: var(--text-secondary);
    padding: 0.3rem 0; transition: color var(--transition-fast);
}
.footer__links a:hover { color: var(--accent-cyan); }

.footer__social-icons { display: flex; gap: var(--space-md); }
.footer__social-icons a {
    width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--glass-border); border-radius: 50%; color: var(--text-secondary);
    transition: all var(--transition-base);
}
.footer__social-icons a:hover {
    color: var(--accent-cyan); border-color: var(--accent-cyan);
    box-shadow: var(--accent-glow); transform: translateY(-3px);
}

.footer__bottom {
    padding-top: var(--space-xl); border-top: 1px solid var(--glass-border); text-align: center;
}
.footer__bottom p { font-size: 0.85rem; color: var(--text-secondary); }


/* ---- 18. SCROLL TO TOP ---- */
.scroll-top {
    position: fixed; bottom: 2rem; right: 2rem; width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-gradient); color: #fff; border: none; border-radius: 50%;
    font-size: 1rem; box-shadow: var(--shadow-md); z-index: 100;
    opacity: 0; visibility: hidden; transform: translateY(10px); transition: all var(--transition-base);
}
.scroll-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { box-shadow: var(--accent-glow-strong); transform: translateY(-3px); }


/* ---- 19. MODAL ---- */
.modal {
    position: fixed; inset: 0; z-index: 5000; display: flex; align-items: center;
    justify-content: center; padding: var(--space-xl);
    opacity: 0; visibility: hidden; transition: all var(--transition-base);
}
.modal.active { opacity: 1; visibility: visible; }
.modal__overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(8px); }
.modal__content {
    position: relative; max-width: 700px; width: 100%; padding: var(--space-xl);
    max-height: 90vh; overflow-y: auto;
}
.modal__close {
    position: absolute; top: var(--space-md); right: var(--space-md); width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
    color: var(--text-secondary); border: 1px solid var(--glass-border); border-radius: 50%;
    transition: all var(--transition-base);
}
.modal__close:hover { color: #ef4444; border-color: #ef4444; }
.modal__title {
    font-family: var(--font-heading); font-size: 1.25rem; font-weight: 600;
    color: var(--text-heading); margin-bottom: var(--space-lg); padding-right: var(--space-2xl);
}
.modal__image-wrapper { border-radius: var(--border-radius-sm); overflow: hidden; }
.modal__image-wrapper img { width: 100%; height: auto; }


/* ---- 20. KEYFRAME ANIMATIONS ---- */
@keyframes drawText {
    0% { stroke-dashoffset: 300; fill-opacity: 0; }
    70% { stroke-dashoffset: 0; fill-opacity: 0; }
    100% { stroke-dashoffset: 0; fill-opacity: 1; fill: var(--accent-cyan); }
}
@keyframes loadBar { 0% { width: 0%; } 100% { width: 100%; } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes meshShift {
    0% { background-position: 0% 50%, 100% 0%, 50% 100%; }
    100% { background-position: 100% 50%, 0% 100%, 50% 0%; }
}
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(0, 212, 255, 0); }
}
@keyframes gradientBorder {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes scrollWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }


/* ---- 21. RESPONSIVE ---- */
@media (min-width: 768px) {
    .about__grid { grid-template-columns: 2fr 3fr; }
    .about__stats { grid-template-columns: repeat(4, 1fr); }
    .skills__grid { grid-template-columns: repeat(2, 1fr); }
    .projects__bento { grid-template-columns: repeat(2, 1fr); }
    .project-card--featured { grid-column: span 2; min-height: 340px; }
    .certs__grid { grid-template-columns: repeat(2, 1fr); }
    .contact__grid { grid-template-columns: 2fr 3fr; }
    .footer__grid { grid-template-columns: 2fr 1fr 1fr; }
}

@media (min-width: 1024px) {
    .navbar__hamburger { display: none; }
    .navbar__menu { display: flex; }
    .projects__bento { grid-template-columns: repeat(4, 1fr); }
    .project-card--featured { grid-column: span 2; grid-row: span 2; }
    .project-card--medium { grid-column: span 2; }
    .project-card--small { grid-column: span 1; }
    .certs__grid { grid-template-columns: repeat(3, 1fr); }

    .timeline { padding-left: 0; max-width: 900px; }
    .timeline__line { left: 50%; transform: translateX(-50%); }
    .timeline__item { width: 50%; padding-right: var(--space-2xl); }
    .timeline__item:nth-child(even) { margin-left: 50%; padding-right: 0; padding-left: var(--space-2xl); }
    .timeline__dot { left: auto; right: -9px; }
    .timeline__item:nth-child(even) .timeline__dot { left: -9px; right: auto; }
}

@media (max-width: 767px) {
    .navbar__menu { display: none; }
    .navbar__hamburger { display: flex; }
    .navbar__cta { display: none; }
    .hero__name { font-size: clamp(2rem, 8vw, 3.5rem); }
    .hero__scroll-indicator { display: none; }
    .about__image-border { max-width: 250px; }
    .education__card { flex-direction: column; align-items: center; text-align: center; }
    .education__meta { justify-content: center; }
    .cert-card { flex-wrap: wrap; }
    .cert-card__badge { width: 100%; justify-content: center; margin-top: var(--space-sm); }
}

@media (max-width: 480px) {
    .about__stats { grid-template-columns: repeat(2, 1fr); }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; justify-content: center; }
    .contact__socials { flex-direction: column; }
    .contact__social-btn { justify-content: center; }
}


/* ---- 22. ACCESSIBILITY ---- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .cursor-dot, .cursor-ring { display: none !important; }
    .preloader { display: none !important; }
    .hero__shape { display: none; }
    .hero__mesh { animation: none; }
}

:focus-visible { outline: 2px solid var(--accent-cyan); outline-offset: 4px; }

@supports not (backdrop-filter: blur(1px)) {
    .navbar--scrolled { background: rgba(10, 10, 15, 0.95); }
    [data-theme="light"] .navbar--scrolled { background: rgba(248, 250, 252, 0.97); }
    .glass-card { background: var(--bg-tertiary); }
    .mobile-menu { background: rgba(10, 10, 15, 0.98); }
}

/* Hero hidden state (GSAP handles reveal) */
.hero--hidden { opacity: 0; transform: translateY(30px); }

/* Reveal animation initial state */
[data-reveal] { opacity: 0; }
[data-reveal="fade-up"] { transform: translateY(40px); }
[data-reveal="fade-left"] { transform: translateX(60px); }
[data-reveal="fade-right"] { transform: translateX(-60px); }
[data-reveal="scale"] { transform: scale(0.9); }
[data-reveal].revealed {
    opacity: 1; transform: translate(0) scale(1);
    transition: opacity 0.7s ease, transform 0.7s ease;
}


/* ============================================
   WEBGL / THREE.JS ADDITIONS — v3.0
   ============================================ */

/* Full-page fixed WebGL canvas — behind ALL page content */
#hero-webgl-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1; /* below the body paint layer */
}

/* html provides the dark base colour when body is transparent */
html {
    background-color: #0a0a0f;
}

/* Dark theme + WebGL active: body becomes transparent so the
   fixed canvas is visible behind every section on the page */
html[data-theme="dark"] body.webgl-active {
    background: transparent;
}

/* Light theme: keep the solid background (canvas hidden underneath) */
html[data-theme="light"] body.webgl-active {
    background: var(--bg-primary);
}

/* When WebGL is active: fade out old CSS decorations smoothly */
.webgl-active .hero__mesh {
    opacity: 0 !important;
    transition: opacity 1s ease;
}
.webgl-active .hero__grid {
    opacity: 0 !important;
    transition: opacity 1s ease;
}
.webgl-active .hero__shape {
    opacity: 0 !important;
    transition: opacity 0.5s ease;
}

/* ---- 2D Cursor Trail Canvas ---- */
#cursor-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
}

/* Hide legacy cursor elements once WebGL cursor is active */
.webgl-active .cursor-dot,
.webgl-active .cursor-ring {
    display: none !important;
}

/* ---- Enhanced Project Cards — Spotlight Radial Glow ---- */
/* Spotlight overlay using CSS custom property updated by JS */
.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(
        480px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(0, 212, 255, 0.09),
        transparent 60%
    );
    opacity: 0;
    transition: opacity 0.45s ease;
    pointer-events: none;
    z-index: 3;
}
.project-card:hover::after {
    opacity: 1;
}

/* Enhanced depth shadow on hover (works on top of VanillaTilt transform) */
.project-card:hover {
    box-shadow:
        0 24px 64px rgba(0, 0, 0, 0.55),
        0 0 40px rgba(0, 212, 255, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.06) !important;
}

/* ---- Mobile / Touch Fallbacks ---- */
@media (pointer: coarse), (max-width: 768px) {
    #hero-webgl-canvas,
    #cursor-canvas {
        display: none !important;
    }

    /* Re-enable CSS hero decorations on mobile (WebGL skipped) */
    .webgl-active .hero__mesh,
    .webgl-active .hero__grid,
    .webgl-active .hero__shape {
        opacity: 1 !important;
    }

    /* Project cards: flat on touch */
    .project-card::after { display: none; }
    .project-card:hover { box-shadow: var(--shadow-md) !important; }
}

/* ---- Reduced Motion: Skip all WebGL features ---- */
@media (prefers-reduced-motion: reduce) {
    #hero-webgl-canvas,
    #cursor-canvas {
        display: none !important;
    }
}


/* ============================================
   PRELOADER — 3D ORBITAL RING SYSTEM v3.0
   ============================================ */

/* Perspective scene — the 3D stage for all rings */
.preloader__scene {
    position: relative;
    width: 240px;
    height: 240px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 700px;
}

/* Breathing radial glow orb behind the logo */
.preloader__glow {
    position: absolute;
    width: 170px;
    height: 170px;
    border-radius: 50%;
    background: radial-gradient(
        ellipse at center,
        rgba(0, 212, 255, 0.18) 0%,
        rgba(124, 58, 237, 0.10) 45%,
        transparent 72%
    );
    animation: preloader-glow-pulse 2.2s ease-in-out infinite;
    pointer-events: none;
}

/* ---- Rings base ---- */
.preloader__ring {
    position: absolute;
    border-radius: 50%;
    border-style: solid;
    pointer-events: none;
}

/* Ring 1 — outer, horizontal Y-axis orbit, cyan */
.preloader__ring--1 {
    width: 210px;
    height: 210px;
    border-width: 1px;
    border-color: rgba(0, 212, 255, 0.30);
    box-shadow: 0 0 18px rgba(0, 212, 255, 0.12);
    animation: ring-orbit-y 5s linear infinite;
}

/* Ring 2 — middle, vertical X-axis orbit, cyan bright */
.preloader__ring--2 {
    width: 160px;
    height: 160px;
    border-width: 1.5px;
    border-color: rgba(0, 212, 255, 0.55);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.20);
    animation: ring-orbit-x 3.2s linear infinite reverse;
}

/* Ring 3 — inner, tilted orbit, purple accent */
.preloader__ring--3 {
    width: 112px;
    height: 112px;
    border-width: 1.5px;
    border-color: rgba(124, 58, 237, 0.60);
    box-shadow: 0 0 16px rgba(124, 58, 237, 0.22);
    animation: ring-orbit-tilt 2.2s linear infinite;
}

/* ---- Glowing dot riders — each follows its ring path ---- */
.preloader__dot {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

/* Dot on ring 1 */
.preloader__dot--1 {
    width: 7px;
    height: 7px;
    background: #00d4ff;
    box-shadow: 0 0 10px 3px rgba(0, 212, 255, 0.8);
    /* Rides ring 1: same transform-origin, same animation */
    transform-origin: 0 0;
    left: calc(50% + 105px);   /* radius of ring 1 */
    top: 50%;
    margin-top: -3.5px;
    animation: ring-orbit-y 5s linear infinite;
}

/* Dot on ring 2 */
.preloader__dot--2 {
    width: 6px;
    height: 6px;
    background: #00d4ff;
    box-shadow: 0 0 8px 2px rgba(0, 212, 255, 0.7);
    transform-origin: 0 0;
    left: calc(50% + 80px);    /* radius of ring 2 */
    top: 50%;
    margin-top: -3px;
    animation: ring-orbit-x 3.2s linear infinite reverse;
}

/* Dot on ring 3 */
.preloader__dot--3 {
    width: 6px;
    height: 6px;
    background: #7c3aed;
    box-shadow: 0 0 8px 2px rgba(124, 58, 237, 0.8);
    transform-origin: 0 0;
    left: calc(50% + 56px);    /* radius of ring 3 */
    top: 50%;
    margin-top: -3px;
    animation: ring-orbit-tilt 2.2s linear infinite;
}

/* SVG logo: floats above the rings, gets a glow halo */
.preloader__svg {
    position: relative;
    z-index: 10;
    width: 200px;
    height: 70px;
    filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.50))
            drop-shadow(0 0 4px  rgba(0, 212, 255, 0.90));
}

/* ---- Ring keyframe animations ---- */

/* Horizontal orbit: rotate on Y, slight X tilt so ring stays readable */
@keyframes ring-orbit-y {
    from { transform: rotateY(0deg)   rotateX(15deg); }
    to   { transform: rotateY(360deg) rotateX(15deg); }
}

/* Vertical orbit: rotate on X, slight Z twist */
@keyframes ring-orbit-x {
    from { transform: rotateX(0deg)   rotateZ(22deg); }
    to   { transform: rotateX(360deg) rotateZ(22deg); }
}

/* Tilted orbit: like an inclined planetary orbit */
@keyframes ring-orbit-tilt {
    from { transform: rotateY(0deg)   rotateX(70deg); }
    to   { transform: rotateY(360deg) rotateX(70deg); }
}

/* Glow orb breathe */
@keyframes preloader-glow-pulse {
    0%, 100% { opacity: 0.55; transform: scale(0.85); }
    50%       { opacity: 1.00; transform: scale(1.15); }
}

/* ---- Loading bar shimmer sweep ---- */
.preloader__bar {
    position: relative;
    overflow: hidden;
}
.preloader__bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent    0%,
        rgba(255, 255, 255, 0.55) 50%,
        transparent    100%
    );
    transform: translateX(-100%);
    animation: bar-shimmer 1.7s ease-in-out 0.5s forwards;
}
@keyframes bar-shimmer {
    from { transform: translateX(-100%); }
    to   { transform: translateX(220%); }
}

/* ---- Reduced motion: freeze rings, keep draw animation ---- */
@media (prefers-reduced-motion: reduce) {
    .preloader__ring,
    .preloader__dot,
    .preloader__glow { animation: none !important; }
    .preloader__bar::after { display: none; }
    .preloader__svg {
        filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.40));
    }
}