:root {
    --bg: #0a0a0a;
    --card-bg: #111111;
    --accent: #ffffff;
    --text-main: #f0f0f0;
    --text-dim: #888888;
    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Zilla Slab', serif;
}

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

body { 
    background-color: var(--bg); 
    color: var(--text-main); 
    font-family: var(--font-body); 
    overflow-x: hidden; 
    /* High-end subtle dot-grid background */
    background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    background-position: center;
}

/* NAVIGATION */
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 8%; position: fixed; width: 100%; z-index: 1000;
    background: rgba(10, 10, 10, 0.85); backdrop-filter: blur(12px);
    border-bottom: 1px solid #1a1a1a;
}
.nav-avatar {
    width: 45px; height: 45px; border-radius: 50%; object-fit: cover;
    border: 2px solid var(--accent); transition: 0.4s ease; cursor: pointer;
}
.nav-avatar:hover { transform: scale(1.1) rotate(5deg); box-shadow: 0 0 20px var(--accent); }
.nav-links a { 
    color: var(--text-main); text-decoration: none; margin-left: 2rem; 
    font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.5px; transition: color 0.3s ease;
    position: relative; padding: 0.4rem 0;
}
.nav-links a:not(.btn-sm)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}
.nav-links a:not(.btn-sm):hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.btn-sm {
    border: 1px solid var(--accent);
    padding: 0.5rem 1.2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.nav-links a.btn-sm:hover {
    background: var(--accent);
    color: var(--bg);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.25);
}

/* HERO */
header { 
    height: 100vh; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    text-align: center; 
    position: relative; 
    overflow: hidden; 
}
.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 0 5%;
}
header h1 { 
    font-family: var(--font-heading); 
    font-size: clamp(4.275rem, 14.25vw, 10.45rem); 
    line-height: 0.9; 
    letter-spacing: 0.05em; 
    text-transform: uppercase;
    background: linear-gradient(180deg, var(--accent) 70%, rgba(255, 255, 255, 0.6) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}
.subtitle { 
    font-size: clamp(1rem, 2.5vw, 1.2rem); 
    color: var(--text-dim); 
    margin-top: 1.5rem; 
    max-width: 600px; 
    padding: 0 5%; 
    line-height: 1.6;
    letter-spacing: 0.05em;
}

/* HERO CONCENTRIC RINGS */
.hero-bg-circles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(350px, 90vw, 850px);
    height: clamp(350px, 90vw, 850px);
    z-index: 1;
    pointer-events: none;
    opacity: 0.22;
}
.hero-bg-circles svg {
    width: 100%;
    height: 100%;
}
.hero-bg-circles .ring {
    fill: none;
    stroke: var(--accent);
    stroke-width: 0.75px;
    transform-origin: center;
}
.hero-bg-circles .ring-solid {
    stroke-width: 1px;
}
.hero-bg-circles .ring-dashed-1 {
    stroke-dasharray: 4 6;
}
.hero-bg-circles .ring-solid-2 {
    opacity: 0.7;
}
.hero-bg-circles .ring-dashed-2 {
    stroke-dasharray: 12 8;
}
.hero-bg-circles .ring-dashed-3 {
    stroke-dasharray: 2 12;
}

/* PRE-HEADER & SEPARATOR */
.hero-pre-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}
.hello-text {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    letter-spacing: 0.4em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}
.separator-container {
    display: flex;
    align-items: center;
    width: 200px;
    gap: 15px;
}
.separator-container .line {
    flex: 1;
    height: 1px;
}
.separator-container .left-line {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4));
}
.separator-container .right-line {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.4), transparent);
}
.star-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    animation: starPulse 4s infinite ease-in-out;
}
.star-icon svg {
    width: 14px;
    height: 14px;
}
@keyframes starPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); }
}

/* SECTIONS */
.section { padding: 100px 10%; position: relative; }
.section-header {
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.section-num {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    letter-spacing: 0.35em;
    color: var(--accent);
    opacity: 0.8;
}
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 3.8rem);
    text-transform: uppercase;
    letter-spacing: 2px;
    padding-bottom: 1.2rem;
    margin: 0;
    border-bottom: 2px solid var(--accent);
}

/* GLOBAL HOVER EFFECT (LIFT + GLOW + INVERT) */
.skill-category, .project-card, .resp-card, .btn-large {
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid #1f1f1f;
}

.skill-category:hover, .project-card:hover, .resp-card:hover, .btn-large:hover {
    background: var(--accent);
    color: var(--bg);
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.15);
}

/* UNIFORM HOVER GEOMETRY (CORNER ACCENTS & SHINE SWEEPS) */
.skill-category, .project-card, .resp-card, .btn-large, .nav-links a.btn-sm {
    position: relative;
    overflow: hidden;
}

/* Corner vector lines */
.skill-category::before, 
.project-card::before, 
.resp-card::before, 
.btn-large::before, 
.nav-links a.btn-sm::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 8px;
    border-top: 2px solid rgba(255, 255, 255, 0.12);
    border-right: 2px solid rgba(255, 255, 255, 0.12);
    transition: border-color 0.4s ease;
    z-index: 3;
}

.skill-category:hover::before, 
.project-card:hover::before, 
.resp-card:hover::before, 
.btn-large:hover::before, 
.nav-links a.btn-sm:hover::before {
    border-color: var(--bg);
}

/* Shine sweeps */
.skill-category::after, 
.project-card::after, 
.resp-card::after, 
.btn-large::after, 
.nav-links a.btn-sm::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.08) 30%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.08) 70%,
        transparent
    );
    transform: skewX(-25deg);
    transition: left 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    pointer-events: none;
    z-index: 3;
}

.skill-category:hover::after, 
.project-card:hover::after, 
.resp-card:hover::after, 
.btn-large:hover::after, 
.nav-links a.btn-sm:hover::after {
    left: 150%;
}

/* TECHNICAL ARSENAL - BULLET POINTS */
.skill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.skill-category { 
    background: #111111; 
    padding: 2.5rem; 
}
.skill-category h3 { 
    font-family: var(--font-heading); 
    font-size: 1.5rem; 
    margin-bottom: 1.2rem; 
    display: flex; 
    align-items: center; 
    gap: 12px; 
}
.skill-category h3 i {
    width: 20px;
    height: 20px;
    stroke-width: 1.75px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.skill-category:hover h3 i {
    transform: scale(1.2) rotate(15deg);
}
.skill-category ul { list-style: none; }
.skill-category li { 
    position: relative; 
    padding-left: 20px; 
    margin-bottom: 0.5rem; 
    font-size: 1rem; 
    opacity: 0.9; 
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.skill-category:hover li {
    transform: translateX(6px);
}
.skill-category li::before { 
    content: "→"; 
    position: absolute; 
    left: 0; 
    color: inherit; 
}

/* Staggered transition delays for list items */
.skill-category li:nth-child(1) { transition-delay: 0ms; }
.skill-category li:nth-child(2) { transition-delay: 35ms; }
.skill-category li:nth-child(3) { transition-delay: 70ms; }
.skill-category li:nth-child(4) { transition-delay: 105ms; }
.skill-category li:nth-child(5) { transition-delay: 140ms; }
.skill-category li:nth-child(6) { transition-delay: 175ms; }

/* PROJECTS */
.project-container { display: flex; flex-direction: column; gap: 2rem; }
.project-card { 
    background: var(--card-bg); 
    padding: 3.5rem 3rem; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    border-left: 3px solid transparent;
}
.project-card:hover {
    border-left-color: var(--bg);
}
.project-index {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    color: var(--text-dim);
    display: block;
    margin-bottom: 0.6rem;
    transition: color 0.4s ease;
}
.project-card:hover .project-index {
    color: rgba(10, 10, 10, 0.6);
}
.project-info h3 { 
    font-family: var(--font-heading); 
    font-size: 2.5rem; 
    line-height: 1; 
    margin-bottom: 0.5rem; 
}
.project-info p {
    color: var(--text-dim);
    font-size: 1rem;
    max-width: 700px;
    line-height: 1.5;
    transition: color 0.4s ease;
}
.project-card:hover .project-info p {
    color: rgba(10, 10, 10, 0.8);
}
.project-link { 
    background: var(--accent); 
    color: var(--bg); 
    padding: 18px; 
    border-radius: 50%; 
    display: flex; 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
    border: 1px solid var(--bg); 
}
.project-card:hover .project-link { 
    background: var(--bg); 
    color: var(--accent); 
    transform: rotate(45deg) scale(1.1); 
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent);
}

/* EXPERIENCE */
.exp-timeline { 
    position: relative; 
    padding-left: 2rem; 
    border-left: 1px solid rgba(255, 255, 255, 0.08); 
    margin-top: 1rem;
}
.exp-item { 
    display: grid; 
    grid-template-columns: 200px 1fr; 
    gap: 2rem; 
    margin-bottom: 4rem; 
    position: relative;
}
.exp-item::after {
    content: '';
    position: absolute;
    left: -2rem;
    top: 6px;
    width: 9px;
    height: 9px;
    background: var(--bg);
    border: 2px solid var(--accent);
    border-radius: 50%;
    transform: translateX(-50%);
    transition: background 0.3s ease, transform 0.3s ease;
}
.exp-item:hover::after {
    background: var(--accent);
    transform: translateX(-50%) scale(1.3);
    box-shadow: 0 0 10px var(--accent);
}
.exp-date { 
    font-family: var(--font-heading); 
    color: var(--text-dim); 
    font-size: 1.1rem; 
    letter-spacing: 1px;
    margin-top: 2px;
}
.exp-content {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.exp-item:hover .exp-content {
    transform: translateX(10px);
}
.exp-content h3 { 
    font-family: var(--font-heading); 
    font-size: 2rem; 
    text-transform: uppercase; 
    line-height: 1.1; 
    margin-bottom: 0.3rem;
}
.company {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 700;
}
.exp-content p {
    color: var(--text-dim);
    line-height: 1.7;
    font-size: 1rem;
}

/* LEADERSHIP */
.responsibility-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.resp-card { background: var(--card-bg); padding: 3rem; text-align: center; }
.resp-card i { margin-bottom: 1.5rem; width: 32px; height: 32px; }
.resp-card h3 { font-family: var(--font-heading); font-size: 1.8rem; margin-bottom: 0.5rem; text-transform: uppercase; }

/* CONNECT BUTTONS */
.contact-buttons { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.btn-large { 
    padding: 1.2rem 2.2rem; 
    color: var(--accent);
    background: #111111;
    text-decoration: none; 
    font-family: var(--font-heading); 
    font-size: 1.3rem; 
    display: flex; 
    align-items: center; 
    gap: 12px;
    border: 1px solid #1f1f1f;
    letter-spacing: 1px;
}
.btn-large svg,
.btn-large i {
    width: 20px;
    height: 20px;
    stroke-width: 1.75px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.btn-large:hover svg,
.btn-large:hover i {
    transform: translateX(6px) scale(1.15);
}

/* FOOTER */
footer { 
    padding: 4rem 10%; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05); 
    color: var(--text-dim); 
    font-size: 0.95rem;
    letter-spacing: 1px;
}
.footer-back-to-top {
    font-family: var(--font-heading);
    cursor: pointer;
    font-size: 1.05rem;
    color: var(--text-dim);
    transition: color 0.3s ease, transform 0.3s ease;
    letter-spacing: 1.5px;
}
.footer-back-to-top:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .exp-item, .responsibility-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .cursor-inner, .cursor-outer { display: none !important; }
}

/* SCROLL PROGRESS INDICATOR */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent);
    z-index: 1001;
    transform-origin: top left;
    transform: scaleX(0);
    pointer-events: none;
    will-change: transform;
}

/* DUAL-ELEMENT CUSTOM CURSOR */
@media (min-width: 769px) {
    * {
        cursor: none !important;
    }
}

.cursor-inner, .cursor-outer {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    border-radius: 50%;
    z-index: 9999;
    opacity: 0;
    will-change: transform;
}

.cursor-inner {
    width: 8px;
    height: 8px;
    background-color: #ffffff;
    transition: width 0.2s ease, height 0.2s ease, background-color 0.2s ease, opacity 0.3s ease;
}

.cursor-outer {
    width: 30px;
    height: 30px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    background-color: transparent;
    transition: width 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275),
                height 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275),
                background-color 0.25s ease,
                border-width 0.25s ease,
                border-color 0.25s ease,
                opacity 0.3s ease;
}

.cursor-outer.cursor-hover {
    width: 48px;
    height: 48px;
    border-width: 2px;
    border-color: #ffffff;
    background-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.25);
}

.cursor-inner.cursor-hover {
    background-color: var(--accent);
}

/* 404 ERROR PAGE STYLES */
.error-title {
    font-size: clamp(8rem, 25vw, 18rem) !important;
    letter-spacing: 0.1em;
    text-shadow: 0 0 40px rgba(255, 255, 255, 0.2);
}
.btn-glow {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.3);
    font-weight: 700;
}
.btn-glow:hover {
    background: var(--bg);
    color: var(--accent);
    box-shadow: 0 0 35px var(--accent);
    transform: translateY(-5px) scale(1.05);
}