/* ===== VARIABLES ===== */
:root {
    --bg: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #161616;
    --bg-card-hover: #1a1a1a;
    --green: #00ff88;
    --green-dim: #00cc6a;
    --green-glow: rgba(0, 255, 136, 0.15);
    --green-glow-strong: rgba(0, 255, 136, 0.3);
    --text: #e0e0e0;
    --text-dim: #888888;
    --text-bright: #ffffff;
    --border: #222222;
    --border-hover: #333333;
    --font-main: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--green-dim) var(--bg);
}

body {
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    cursor: default;
    line-height: 1.6;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 3px; }

::selection {
    background: var(--green);
    color: var(--bg);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

/* ===== PARTICLE CANVAS ===== */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== CURSOR GLOW ===== */
#cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

body:hover #cursor-glow {
    opacity: 1;
}

/* ===== NAVIGATION ===== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2.5rem;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.4s var(--ease);
}

#navbar.scrolled {
    border-bottom-color: var(--border);
    padding: 0.7rem 2.5rem;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--green);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--green);
    transition: width 0.3s var(--ease);
}

.nav-link:hover {
    color: var(--green);
}

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

.nav-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 var(--green-glow-strong); }
    50% { box-shadow: 0 0 0 8px transparent; }
}

/* ===== GLITCH EFFECT ===== */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.glitch:hover::before {
    animation: glitch-1 0.3s linear;
    opacity: 0.8;
    color: #ff0040;
    z-index: -1;
}

.glitch:hover::after {
    animation: glitch-2 0.3s linear;
    opacity: 0.8;
    color: #00ffff;
    z-index: -2;
}

@keyframes glitch-1 {
    0% { clip-path: inset(40% 0 61% 0); transform: translate(-2px, -1px); }
    20% { clip-path: inset(92% 0 1% 0); transform: translate(1px, 2px); }
    40% { clip-path: inset(43% 0 1% 0); transform: translate(-1px, 3px); }
    60% { clip-path: inset(25% 0 58% 0); transform: translate(3px, -1px); }
    80% { clip-path: inset(54% 0 7% 0); transform: translate(-3px, 2px); }
    100% { clip-path: inset(58% 0 43% 0); transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0% { clip-path: inset(65% 0 13% 0); transform: translate(2px, 1px); }
    20% { clip-path: inset(15% 0 62% 0); transform: translate(-1px, -2px); }
    40% { clip-path: inset(78% 0 2% 0); transform: translate(1px, -3px); }
    60% { clip-path: inset(5% 0 73% 0); transform: translate(-3px, 1px); }
    80% { clip-path: inset(31% 0 28% 0); transform: translate(3px, -2px); }
    100% { clip-path: inset(42% 0 37% 0); transform: translate(-2px, 2px); }
}

/* ===== HERO SECTION ===== */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 2.5rem 4rem;
    position: relative;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero-tag {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--green);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tag-bracket {
    opacity: 0.5;
}

.hero-name {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero-name .line {
    display: block;
}

.hero-name .accent {
    color: var(--green);
    text-shadow: 0 0 40px var(--green-glow-strong);
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 1.5rem;
    min-height: 1.8rem;
}

.cursor-blink {
    animation: blink 1s step-end infinite;
    color: var(--green);
}

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

.hero-description {
    font-size: 1.05rem;
    color: var(--text-dim);
    max-width: 500px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.accent {
    color: var(--green);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s var(--ease);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--green);
    color: var(--bg);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    box-shadow: 0 0 30px var(--green-glow-strong), 0 0 60px var(--green-glow);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--border-hover);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--green);
    color: var(--green);
    transform: translateY(-2px);
}

.btn-cv {
    border: 1px solid var(--green);
    color: var(--green);
    gap: 0.5rem;
}

.btn-cv:hover {
    background: var(--green);
    color: var(--bg);
    transform: translateY(-2px);
    box-shadow: 0 0 24px var(--green-glow-strong);
}

/* ===== HERO STATS ===== */
.hero-stats {
    display: flex;
    gap: 2.5rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-bright);
    font-family: var(--font-mono);
}

.stat-plus {
    font-size: 1.5rem;
    color: var(--green);
    font-weight: 700;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== HERO VISUAL / PHOTO ===== */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.photo-container {
    position: relative;
    width: 380px;
    height: 460px;
}

.photo-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border);
    transition: border-color 0.4s ease;
}

.photo-frame:hover {
    border-color: var(--green);
}

.photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%) contrast(1.1);
    transition: filter 0.5s ease, transform 0.5s ease;
}

.photo-frame:hover .photo {
    filter: grayscale(0%) contrast(1.05);
    transform: scale(1.03);
}

.photo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--green-glow) 0%, transparent 50%, rgba(0,0,0,0.3) 100%);
    opacity: 0.6;
    transition: opacity 0.4s ease;
}

.photo-frame:hover .photo-overlay {
    opacity: 0.3;
}

/* Photo decorations */
.photo-decoration {
    position: absolute;
    border: 1px solid var(--green);
    border-radius: 12px;
    opacity: 0.2;
    transition: opacity 0.4s ease;
}

.dec-1 {
    inset: -8px;
    animation: float-slow 6s ease-in-out infinite;
}

.dec-2 {
    inset: -16px;
    opacity: 0.1;
    animation: float-slow 8s ease-in-out infinite reverse;
}

.dec-3 {
    top: 20px;
    right: -30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--green);
    opacity: 0.08;
    filter: blur(20px);
    animation: float-slow 4s ease-in-out infinite;
}

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

/* Floating badges */
.floating-badge {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    animation: float-badge 5s ease-in-out infinite;
}

.badge-1 {
    top: 30px;
    right: -20px;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 40px;
    left: -20px;
    animation-delay: 2.5s;
}

.badge-icon {
    color: var(--green);
    font-size: 1rem;
}

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

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dim);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--green), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ===== SECTIONS ===== */
.section {
    padding: 6rem 2.5rem;
    position: relative;
    z-index: 2;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 3.5rem;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--green);
    letter-spacing: 2px;
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--text-bright);
}

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.about-text p {
    margin-bottom: 1.2rem;
    color: var(--text-dim);
    line-height: 1.8;
    font-size: 1rem;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    transition: all 0.3s var(--ease);
    background: var(--bg-card);
}

.info-card:hover {
    border-color: var(--green);
    transform: translateX(5px);
    box-shadow: -4px 0 0 var(--green);
}

.info-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--green-glow);
    color: var(--green);
    flex-shrink: 0;
}

.info-icon svg {
    stroke: var(--green);
}

.info-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.info-value {
    font-size: 0.9rem;
    color: var(--text);
}

/* ===== TIMELINE ===== */
.timeline {
    position: relative;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    padding-top: 1.5rem;
}

.marker-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--green);
    background: var(--bg);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item:hover .marker-dot {
    background: var(--green);
    box-shadow: 0 0 20px var(--green-glow-strong);
}

.marker-line {
    width: 1px;
    flex: 1;
    background: linear-gradient(to bottom, var(--green-dim), var(--border));
    margin-top: 0.5rem;
}

.timeline-item:last-child .marker-line {
    display: none;
}

.timeline-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.8rem;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--green), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.timeline-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.05);
}

.timeline-card:hover::before {
    opacity: 1;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-bright);
}

.card-company {
    font-size: 0.85rem;
    color: var(--green);
    display: block;
    margin-top: 0.25rem;
}

.card-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    white-space: nowrap;
    padding: 0.3rem 0.7rem;
    background: var(--bg);
    border-radius: 4px;
    border: 1px solid var(--border);
}

.card-list {
    list-style: none;
    margin-bottom: 1rem;
}

.card-list li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.6;
}

.card-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    background: var(--green-glow);
    color: var(--green);
    border: 1px solid rgba(0, 255, 136, 0.1);
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.8rem;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.skill-category::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--green), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.skill-category:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.skill-category:hover::after {
    opacity: 1;
}

.skill-cat-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--green);
    margin-bottom: 1.2rem;
    font-weight: 600;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-item {
    font-size: 0.85rem;
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    transition: all 0.3s ease;
    cursor: default;
}

.skill-item:hover {
    border-color: var(--green);
    color: var(--green);
    box-shadow: 0 0 15px var(--green-glow);
    transform: translateY(-2px);
}

/* ===== EDUCATION ===== */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.edu-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.4s var(--ease);
    position: relative;
}

.edu-card:hover {
    border-color: var(--green);
    transform: translateY(-4px);
    box-shadow: 0 0 30px var(--green-glow);
}

.edu-icon {
    margin-bottom: 1rem;
    color: var(--green);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--green-glow);
}

.edu-highlight {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-bright);
}

.edu-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.edu-place {
    color: var(--green);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.edu-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 0.75rem;
}

.edu-detail {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.6;
}

/* ===== CONTACT SECTION ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: start;
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all 0.3s var(--ease);
}

.contact-link:hover {
    border-color: var(--green);
    transform: translateX(8px);
    box-shadow: -4px 0 0 var(--green);
}

.contact-link-icon {
    font-size: 1.3rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--green-glow);
    color: var(--green);
    flex-shrink: 0;
}

.contact-link-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.contact-link-value {
    font-size: 0.9rem;
    color: var(--text);
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-dim);
    transition: all 0.3s var(--ease);
}

.social-link:hover {
    border-color: var(--green);
    color: var(--green);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px var(--green-glow);
}

.contact-badge {
    position: sticky;
    top: 100px;
}

.linkedin-embed {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Fallback text styling for LinkedIn badge */
.linkedin-embed .LI-simple-link {
    color: var(--green);
    font-size: 1rem;
    font-weight: 600;
}

/* ===== FOOTER ===== */
#footer {
    border-top: 1px solid var(--border);
    padding: 2rem 2.5rem;
    position: relative;
    z-index: 2;
}

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

.footer-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--green);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.footer-built {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.reveal-up:nth-child(2) { transition-delay: 0.1s; }
.reveal-up:nth-child(3) { transition-delay: 0.2s; }
.reveal-up:nth-child(4) { transition-delay: 0.3s; }
.reveal-up:nth-child(5) { transition-delay: 0.4s; }

/* ===== GRID BACKGROUND ===== */
.section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.15;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .photo-container {
        width: 260px;
        height: 320px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .nav-status {
        display: none;
    }

    .card-header {
        flex-direction: column;
    }

    .floating-badge {
        display: none;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .languages-grid {
        gap: 1.5rem;
    }
}

@media (max-width: 600px) {
    #hero {
        padding: 6rem 1.2rem 3rem;
    }

    .section {
        padding: 4rem 1.2rem;
    }

    #navbar {
        padding: 0.8rem 1.2rem;
    }

    .hero-name {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .timeline-item {
        flex-direction: column;
        gap: 0;
    }

    .timeline-marker {
        flex-direction: row;
        padding-top: 0;
        padding-bottom: 0.5rem;
    }

    .marker-line {
        height: 1px;
        width: auto;
        flex: 1;
        margin-top: 0;
        margin-left: 0.5rem;
    }

    .project-card {
        flex-direction: column;
        gap: 0.75rem;
    }

    .project-number {
        font-size: 1.5rem;
    }
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--green);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.05);
}

.project-card:hover::before {
    opacity: 1;
}

.project-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--border-hover);
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.4s ease;
}

.project-card:hover .project-number {
    color: var(--green);
    text-shadow: 0 0 20px var(--green-glow);
}

.project-content {
    flex: 1;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--green);
    margin-top: 0.75rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    text-shadow: 0 0 10px var(--green-glow-strong);
}

.project-link-nda {
    color: var(--text-dim);
    cursor: default;
}

/* ===== LANGUAGES SECTION ===== */
.languages-grid {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.language-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    min-width: 180px;
    transition: all 0.4s var(--ease);
}

.language-card:hover {
    border-color: var(--green);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px var(--green-glow);
}

.language-level-ring {
    position: relative;
    width: 90px;
    height: 90px;
}

.language-level-ring svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.ring-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 6;
}

.ring-fill {
    fill: none;
    stroke: var(--green);
    stroke-width: 6;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s var(--ease);
}

.language-level-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--green);
}

.language-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-bright);
}

.language-proficiency {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
}

/* ===== GALLERY LINK ===== */
.footer-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.gallery-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.gallery-link:hover {
    color: var(--green);
    border-color: var(--green);
}

/* ===== SCANLINE OVERLAY (subtle) ===== */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

/* ===== LOGO IMAGE ===== */
.nav-logo-img {
    height: 36px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.nav-logo:hover .nav-logo-img,
.footer-logo:hover .nav-logo-img {
    filter: brightness(0) saturate(100%) invert(72%) sepia(69%) saturate(500%) hue-rotate(100deg) brightness(105%);
}

/* ===== HOBBIES SECTION ===== */
.hobbies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.hobby-card {
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s var(--ease);
    background: var(--bg-card);
}

.hobby-card:hover {
    border-color: var(--green);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--green-glow);
}

.hobby-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: transform 0.3s var(--ease);
}

.hobby-card:hover .hobby-icon {
    transform: scale(1.15) rotate(5deg);
}

.hobby-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-bright);
}

.hobby-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.5;
}

/* ===== GITHUB PROJECTS SECTION ===== */
.github-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.github-card {
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-card);
    transition: all 0.3s var(--ease);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.github-card:hover {
    border-color: var(--green);
    background: var(--bg-card-hover);
    transform: translateY(-6px);
    box-shadow: 0 12px 32px var(--green-glow);
}

.github-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.github-header svg {
    width: 28px;
    height: 28px;
    color: var(--green);
    flex-shrink: 0;
}

.github-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-bright);
}

.github-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.5;
    flex-grow: 1;
}

.github-link {
    font-size: 0.85rem;
    color: var(--green);
    font-family: var(--font-mono);
    font-weight: 600;
    transition: color 0.3s ease;
}

.github-card:hover .github-link {
    color: var(--text-bright);
}

/* ===== BOOKING SECTION ===== */
#booking {
    padding: 4rem 0;
}

.booking-container {
    margin-top: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.booking-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.booking-note {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 1rem;
    line-height: 1.5;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-dim);
    margin-top: 0.5rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hobbies-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }

    .hobby-card {
        padding: 1.5rem;
    }

    .github-grid {
        grid-template-columns: 1fr;
    }

    .booking-container iframe {
        min-height: 500px;
    }
}

/* ===== PRELOADER ===== */
body.preloading {
    overflow: hidden;
}

#preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
}

#preloader-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#preloader-fade {
    position: absolute;
    inset: 0;
    background: #0a0a0a;
    opacity: 0;
    transition: opacity 1.2s ease;
    z-index: 1;
}

#preloader.ending #preloader-fade {
    opacity: 1;
}

#preloader.hidden {
    display: none;
}

/* ===== SCROLL PROGRESS BAR ===== */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(to right, var(--green), #00ccff);
    z-index: 99998;
    box-shadow: 0 0 10px var(--green-glow-strong);
    transition: width 0.08s linear;
}

/* ===== HAMBURGER BUTTON ===== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.3s ease;
    z-index: 100001;
}

.hamburger span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
    transform-origin: center;
}

.hamburger:hover {
    border-color: var(--green);
}

.hamburger:hover span {
    background: var(--green);
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

.mobile-nav-link {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-dim);
    text-decoration: none;
    padding: 0.6rem 1.5rem;
    transition: color 0.2s ease, transform 0.2s ease;
    letter-spacing: 0.05em;
}

.mobile-nav-link:hover {
    color: var(--green);
    transform: translateX(6px);
}

/* ===== VISITOR COUNTER ===== */
.footer-visitors {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
}

.footer-visitors svg {
    color: var(--green);
}

.visitor-count {
    color: var(--green);
    font-weight: 600;
}

/* ===== MOBILE: show hamburger ===== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
}