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

:root {
    --bg-primary: #050505;
    --bg-secondary: #0a0a0a;
    --bg-card: #0f0f0f;
    --bg-card-hover: #141414;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.65);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --accent: #a78bfa;
    --accent-subtle: rgba(167, 139, 250, 0.15);
    --green: #34d399;
    --teal: #64ffda;
    --font-heading: 'Syne', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    cursor: none;
}

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

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

button {
    border: none;
    background: none;
    font-family: inherit;
    cursor: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.cursor {
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10000;
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
}

.cursor-follower {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
}

body:hover .cursor,
body:hover .cursor-follower {
    opacity: 1;
}

.cursor.hover {
    transform: scale(3);
    background: var(--accent);
}

.cursor-follower.hover {
    width: 56px;
    height: 56px;
    border-color: var(--accent);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(5, 5, 5, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

.logo-icon {
    font-size: 1rem;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
    transition: color var(--transition);
    position: relative;
}

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

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

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-hover);
}

.cta-icon {
    font-size: 0.7rem;
    color: var(--accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-gradient-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, var(--bg-primary) 70%),
        linear-gradient(180deg, transparent 60%, var(--bg-primary) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    backdrop-filter: blur(10px);
}

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

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
}

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

.hero-title em {
    font-style: italic;
    background: linear-gradient(135deg, var(--accent), var(--teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: var(--transition);
    cursor: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border: 1px solid var(--text-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.1);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.05);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1rem;
}

.btn-sm {
    padding: 10px 22px;
    font-size: 0.85rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 2;
}

.scroll-text {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: lowercase;
    letter-spacing: 0.05em;
}

.scroll-line {
    width: 60px;
    height: 1px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--text-primary);
    animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
    0% { left: -100%; }
    50% { left: 0; }
    100% { left: 100%; }
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section {
    padding: 120px 0;
    position: relative;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.label-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    line-height: 1.15;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 550px;
    line-height: 1.6;
    margin-bottom: 48px;
}

.highlight {
    background: linear-gradient(135deg, var(--accent), var(--teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: auto 1.2fr 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 40px;
}

/* About Photo */
.about-photo {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10px;
}

.about-photo-img {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(167, 139, 250, 0.3);
    box-shadow: 0 0 40px rgba(167, 139, 250, 0.12), 0 0 80px rgba(100, 255, 218, 0.06);
    transition: var(--transition-slow);
}

.about-photo-img:hover {
    border-color: var(--accent);
    box-shadow: 0 0 50px rgba(167, 139, 250, 0.2), 0 0 100px rgba(100, 255, 218, 0.1);
    transform: scale(1.03);
}

.about-bio {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tag:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background: var(--accent-subtle);
}

.education-timeline {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.timeline-header {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.timeline-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.timeline-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.timeline-role {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.timeline-org {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.timeline-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills {
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.skill-category-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.skill-category:hover .skill-tag {
    border-color: rgba(167, 139, 250, 0.2);
    color: var(--text-primary);
}

/* Marquee */
.marquee-container {
    overflow: hidden;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
}

.marquee {
    overflow: hidden;
}

.marquee-track {
    display: flex;
    gap: 24px;
    white-space: nowrap;
    animation: marquee-scroll 30s linear infinite;
}

.marquee-item {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.marquee-sep {
    color: var(--accent);
    font-size: 0.7rem;
    opacity: 0.5;
}

@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
}

.projects-controls {
    display: flex;
    gap: 12px;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.project-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-slow);
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.project-image {
    position: relative;
    overflow: hidden;
    min-height: 320px;
}

.project-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-pattern {
    width: 100%;
    height: 100%;
}

.placeholder-pattern svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Project card images */
.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 16px;
    background: rgba(167, 139, 250, 0.2);
    border: 1px solid rgba(167, 139, 250, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    z-index: 2;
    backdrop-filter: blur(10px);
}

.project-info {
    padding: 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-date {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.25;
}

.project-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.project-tech span {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.project-link svg {
    transition: transform var(--transition);
}

.project-link:hover {
    color: var(--accent);
}

.project-link:hover svg {
    transform: translate(3px, -3px);
}

/* ============================================
   ACHIEVEMENTS SECTION
   ============================================ */
.achievements {
    background: var(--bg-secondary);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 48px 0 64px;
}

.stat-item {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    display: inline;
    letter-spacing: -0.03em;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.achievement-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.achievement-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: block;
}

.achievement-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.achievement-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.achievement-desc small {
    display: block;
    margin-top: 8px;
    color: var(--text-tertiary);
    font-size: 0.78rem;
}

/* Certifications */
.certifications-section {
    border-top: 1px solid var(--border-color);
    padding-top: 48px;
}

.cert-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 28px;
    letter-spacing: -0.01em;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.cert-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: var(--transition);
}

.cert-item:hover {
    border-color: var(--border-hover);
}

.cert-name {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.cert-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.cert-org {
    color: var(--accent);
}

/* Certificate link styling */
a.cert-link {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

a.cert-link:hover {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(167, 139, 250, 0.4);
}

/* Patent link styling */
a.patent-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

a.patent-link:hover {
    color: var(--accent);
    opacity: 0.9;
}

.external-link-icon {
    display: inline-block;
    vertical-align: middle;
    margin-left: 4px;
    opacity: 0.5;
    transition: var(--transition);
}

a.patent-link:hover .external-link-icon {
    opacity: 1;
    stroke: var(--accent);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 160px 0;
}

.contact-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.3;
    margin-bottom: 20px;
}

.contact-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-buttons {
    margin-bottom: 48px;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.contact-link-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-link-item:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.contact-link-icon {
    display: flex;
    align-items: center;
    color: var(--text-tertiary);
}

.contact-link-item:hover .contact-link-icon {
    color: var(--accent);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 32px 0;
}

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

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-copy {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.footer-center {
    display: flex;
    align-items: center;
}

.footer-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--green);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ============================================
   ANIMATIONS (initial states for GSAP)
   ============================================ */
.anim-fade-up {
    opacity: 0;
    transform: translateY(40px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-photo {
        justify-content: center;
    }
    
    .about-photo-img {
        width: 200px;
        height: 200px;
    }
    
    .project-card {
        grid-template-columns: 1fr;
    }
    
    .project-image {
        min-height: 240px;
    }
}

@media (max-width: 768px) {
    .cursor, .cursor-follower {
        display: none !important;
    }
    
    body {
        cursor: auto;
    }
    
    a, button, .btn {
        cursor: pointer;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 36px 36px;
        gap: 24px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--border-color);
    }
    
    .nav-links.open {
        right: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-cta {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .hero-title {
        font-size: clamp(2.4rem, 10vw, 4rem);
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 8px 16px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .stat-item {
        padding: 28px 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .contact {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .project-info {
        padding: 24px;
    }
    
    .project-title {
        font-size: 1.25rem;
    }
}