/* =====================================================
   MUKUL KUKREJA — PREMIUM PORTFOLIO 2026
   Cinematic, fully animated, award-worthy design
   ===================================================== */

/* ─── DESIGN TOKENS ─── */
:root {
    /* Dark theme — cinematic */
    --bg:            #0a0a0f;
    --bg-elevated:   #12121a;
    --bg-card:       #16161f;
    --bg-hover:      #1e1e2a;
    --border:        #2a2a3a;
    --border-strong: #3a3a50;
    --border-glow:   rgba(99, 102, 241, 0.15);

    /* Ink */
    --ink:           #f0f0f5;
    --ink-2:         #c5c5d5;
    --ink-3:         #8b8ba3;
    --ink-4:         #6b6b80;
    --ink-5:         #4a4a5e;

    /* Accent — electric indigo */
    --accent:        #6366f1;
    --accent-light:  #818cf8;
    --accent-dim:    rgba(99, 102, 241, 0.1);
    --accent-glow:   rgba(99, 102, 241, 0.3);

    /* Semantic */
    --green:         #22c55e;
    --green-dim:     rgba(34, 197, 94, 0.1);
    --gold:          #f59e0b;
    --gold-dim:      rgba(245, 158, 11, 0.1);
    --blue:          #3b82f6;
    --blue-dim:      rgba(59, 130, 246, 0.1);

    /* Type */
    --sans:  'Inter', system-ui, -apple-system, sans-serif;
    --display: 'Space Grotesk', system-ui, sans-serif;
    --mono:  'JetBrains Mono', 'Courier New', monospace;

    /* Spacing */
    --s1:  4px;
    --s2:  8px;
    --s3:  12px;
    --s4:  16px;
    --s5:  24px;
    --s6:  32px;
    --s7:  48px;
    --s8:  64px;
    --s9:  96px;
    --s10: 128px;

    /* Layout */
    --nav-h:   72px;
    --max-w:   1200px;
    --prose-w: 65ch;

    /* Motion */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --t:     0.25s var(--ease-out);
    --t-md:  0.4s var(--ease-out);
    --t-slow: 0.6s var(--ease-out);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--ink-2);
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { font-family: inherit; cursor: pointer; }
strong { font-weight: 600; color: var(--ink); }

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-4); }

/* ─── SELECTION ─── */
::selection { background: var(--accent); color: #fff; }

/* ─── NOISE OVERLAY ─── */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 9998;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px;
}

/* ─── SCROLL PROGRESS ─── */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    z-index: 10000;
    transform-origin: left;
    transform: scaleX(0);
}

/* ─── CUSTOM CURSOR ─── */
.cursor {
    position: fixed;
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
    mix-blend-mode: screen;
}

.cursor-follower {
    position: fixed;
    width: 32px; height: 32px;
    border: 1px solid var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, border-color 0.3s, opacity 0.3s;
    opacity: 0.5;
}

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

body.c-hover .cursor {
    width: 48px; height: 48px;
    background: var(--accent-dim);
    border: 1px solid var(--accent);
}

body.c-hover .cursor-follower {
    width: 64px; height: 64px;
    border-color: var(--accent-light);
    opacity: 0.2;
}

@media (pointer: coarse) {
    .cursor, .cursor-follower { display: none !important; }
}

/* ─── LAYOUT ─── */
.wrap {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--s6);
}

@media (max-width: 768px) {
    .wrap { padding: 0 var(--s5); }
}

/* ─── NAVIGATION ─── */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    z-index: 800;
    transition: background var(--t-md), backdrop-filter var(--t-md), box-shadow var(--t-md);
}

#navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--s6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-wordmark {
    display: flex;
    align-items: center;
    gap: var(--s2);
    position: relative;
}

.nav-wordmark-text {
    font-family: var(--display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.02em;
}

.nav-wordmark-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-dot 2s ease infinite;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--s1);
}

.nav-link {
    font-family: var(--sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ink-3);
    padding: var(--s2) var(--s3);
    border-radius: 6px;
    position: relative;
    transition: color var(--t), background var(--t);
    overflow: hidden;
}

.nav-link::before {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    transform: translateY(100%);
    transition: transform var(--t-md);
}

.nav-link:hover {
    color: transparent;
    background: var(--bg-hover);
}

.nav-link:hover::before {
    transform: translateY(0);
}

.nav-link.active {
    color: var(--ink);
    background: var(--bg-hover);
}

.nav-link--cta {
    background: var(--accent);
    color: #fff !important;
    margin-left: var(--s2);
    font-weight: 600;
}

.nav-link--cta:hover {
    background: var(--accent-light);
    color: #fff !important;
}

.nav-link--cta::before { display: none; }

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--s2);
    background: none;
    border: none;
    z-index: 901;
}

.menu-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    border-radius: 1px;
    transition: var(--t-md);
    transform-origin: center;
}

.menu-toggle.open .menu-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.open .menu-line:nth-child(2) { transform: rotate(-45deg) translate(0px, 0px); }

@media (max-width: 1024px) {
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-md);
}

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

.mobile-menu-bg {
    position: absolute;
    inset: 0;
    background: var(--bg);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s var(--ease-out);
}

.mobile-menu.open .mobile-menu-bg {
    transform: scaleY(1);
}

.mobile-menu-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: var(--s5);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s 0.2s, transform 0.4s 0.2s;
}

.mobile-menu.open .mobile-menu-content {
    opacity: 1;
    transform: translateY(0);
}

.mobile-link {
    font-family: var(--display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--ink);
    display: flex;
    align-items: baseline;
    gap: var(--s3);
    transition: color var(--t);
    position: relative;
}

.mobile-link::before {
    content: attr(data-index);
    font-family: var(--mono);
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 400;
}

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

.mobile-close {
    position: absolute;
    top: var(--s5);
    right: var(--s6);
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    opacity: 0;
    transition: opacity 0.3s 0.3s;
}

.mobile-menu.open .mobile-close { opacity: 1; }

.mobile-close span {
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--ink);
}

.mobile-close span:nth-child(1) { transform: rotate(45deg); }
.mobile-close span:nth-child(2) { transform: rotate(-45deg); }

/* ─── SECTION SYSTEM ─── */
.section { 
    padding: var(--s10) 0; 
    position: relative;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--s4);
    margin-bottom: var(--s8);
}

.sec-num {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.1em;
    flex-shrink: 0;
}

.sec-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
}

.sec-title {
    font-family: var(--display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.03em;
    line-height: 1;
}

.section-intro {
    font-family: var(--sans);
    font-size: 1.125rem;
    color: var(--ink-3);
    line-height: 1.8;
    max-width: var(--prose-w);
    margin-bottom: var(--s8);
}

.section-intro em {
    color: var(--ink-2);
    font-style: italic;
}

.subsec-title {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-4);
    margin: var(--s9) 0 var(--s6);
}

/* ─── HERO ─── */
.hero {
    min-height: 100vh;
    padding-top: var(--nav-h);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float-glow 8s ease-in-out infinite;
}

.hero-glow-1 {
    width: 400px; height: 400px;
    background: var(--accent);
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.hero-glow-2 {
    width: 300px; height: 300px;
    background: #8b5cf6;
    bottom: 20%;
    left: 5%;
    animation-delay: -3s;
    opacity: 0.2;
}

.hero-glow-3 {
    width: 250px; height: 250px;
    background: #06b6d4;
    top: 50%;
    right: 30%;
    animation-delay: -5s;
    opacity: 0.15;
}

@keyframes float-glow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero .wrap { 
    flex: 1; 
    display: flex; 
    align-items: center; 
    position: relative; 
    z-index: 1; 
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--s9);
    align-items: center;
    padding: var(--s8) 0;
    width: 100%;
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: var(--s2);
    margin-bottom: var(--s6);
    opacity: 0;
    transform: translateY(20px);
}

.dot-live {
    width: 8px; height: 8px;
    background: var(--green);
    border-radius: 50%;
    position: relative;
}

.dot-live::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid var(--green);
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.eyebrow-text {
    font-family: var(--mono);
    font-size: 0.8125rem;
    color: var(--ink-3);
    letter-spacing: 0.05em;
}

/* Hero Name Animation */
.hero-name {
    margin-bottom: var(--s6);
}

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

.hero-name-word {
    display: block;
    font-family: var(--display);
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    font-weight: 700;
    color: var(--ink);
    line-height: 1.05;
    letter-spacing: -0.04em;
    transform: translateY(100%);
    opacity: 0;
}

.hero-name-word--accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-family: var(--sans);
    font-size: 1.125rem;
    color: var(--ink-3);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: var(--s7);
    opacity: 0;
    transform: translateY(20px);
}

.hero-desc em {
    color: var(--ink-2);
    font-style: italic;
}

.hero-actions {
    display: flex;
    gap: var(--s3);
    margin-bottom: var(--s7);
    opacity: 0;
    transform: translateY(20px);
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    font-family: var(--sans);
    font-size: 0.9375rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    line-height: 1;
    position: relative;
    overflow: hidden;
    transition: transform var(--t), box-shadow var(--t);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary:hover::before {
    transform: translateX(100%);
}

.btn-icon {
    transition: transform var(--t);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    font-family: var(--sans);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--ink-2);
    background: transparent;
    border: 1px solid var(--border-strong);
    padding: 13px 28px;
    border-radius: 8px;
    line-height: 1;
    transition: background var(--t), border-color var(--t), color var(--t);
}

.btn-ghost:hover {
    background: var(--bg-hover);
    border-color: var(--ink-4);
    color: var(--ink);
}

/* Hero Links */
.hero-links {
    display: flex;
    gap: var(--s4);
    opacity: 0;
    transform: translateY(20px);
}

.hero-link {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-family: var(--sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ink-4);
    padding: var(--s2) var(--s3);
    border-radius: 6px;
    transition: color var(--t), background var(--t);
}

.hero-link:hover {
    color: var(--ink);
    background: var(--bg-hover);
}

.hero-link-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color var(--t), background var(--t);
}

.hero-link:hover .hero-link-icon {
    border-color: var(--accent);
    background: var(--accent-dim);
}

/* Hero Card */
.hero-col-right {
    opacity: 0;
    transform: translateX(30px);
}

.hero-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: var(--s6);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.5;
}

.hcard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--s4);
}

.hcard-label {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-4);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hcard-status {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 6px; height: 6px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--green);
}

.status-text {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--green);
    font-weight: 500;
}

.hcard-sep {
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
    margin: var(--s4) 0;
}

.hcard-grid {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
}

.hcard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--s3);
}

.hcard-key {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-4);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    flex-shrink: 0;
}

.hcard-val {
    font-family: var(--sans);
    font-size: 0.875rem;
    color: var(--ink-2);
    font-weight: 500;
    text-align: right;
}

.hcard-stats {
    display: flex;
    justify-content: space-around;
    gap: var(--s4);
}

.hs-item {
    text-align: center;
}

.hs-n {
    display: block;
    font-family: var(--display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1;
    margin-bottom: var(--s1);
    background: linear-gradient(135deg, var(--ink), var(--ink-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hs-l {
    font-family: var(--mono);
    font-size: 0.625rem;
    color: var(--ink-4);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Scroll Hint */
.hero-scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s3);
    padding: var(--s6) 0;
    opacity: 0;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--ink-5);
    border-radius: 12px;
    position: relative;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--ink-4);
    border-radius: 2px;
    animation: scroll-wheel 2s ease infinite;
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

.scroll-text {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-5);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* ─── ABOUT ─── */
.about-section { background: var(--bg-elevated); }

.about-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--s9);
    align-items: start;
}

.about-left p {
    font-family: var(--sans);
    font-size: 1rem;
    color: var(--ink-3);
    line-height: 1.8;
    margin-bottom: var(--s5);
}

.about-lead {
    font-family: var(--display) !important;
    font-size: 1.5rem !important;
    font-weight: 500;
    color: var(--ink) !important;
    line-height: 1.4 !important;
    margin-bottom: var(--s6) !important;
}

.about-block {
    margin-bottom: var(--s6);
    padding-left: var(--s5);
    border-left: 2px solid var(--border);
    transition: border-color var(--t);
}

.about-block:hover {
    border-color: var(--accent);
}

.about-block-title {
    font-family: var(--sans);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--s2);
    letter-spacing: 0.02em;
}

.about-right {
    position: sticky;
    top: calc(var(--nav-h) + var(--s6));
}

.about-tags-title {
    font-family: var(--mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-4);
    margin-bottom: var(--s4);
}

.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s2);
    margin-bottom: var(--s7);
}

.about-tag {
    font-family: var(--sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ink-2);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 6px;
    transition: border-color var(--t), color var(--t), background var(--t), transform var(--t);
    cursor: default;
}

.about-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
    transform: translateY(-2px);
}

.about-quote {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--s6);
    margin-bottom: var(--s6);
    position: relative;
}

.quote-icon {
    color: var(--accent);
    margin-bottom: var(--s3);
    opacity: 0.5;
}

.about-quote blockquote {
    font-family: var(--display);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--ink-2);
    line-height: 1.6;
}

.about-goals {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--s5);
}

.goals-title {
    font-family: var(--mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-4);
    margin-bottom: var(--s3);
}

.goals-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.goals-list li {
    font-family: var(--sans);
    font-size: 0.875rem;
    color: var(--ink-2);
    padding-left: var(--s4);
    position: relative;
}

.goals-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ─── RESEARCH ─── */
.paper-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: var(--s7);
    margin-bottom: var(--s9);
    position: relative;
    overflow: hidden;
    transition: transform var(--t-md), box-shadow var(--t-md);
}

.paper-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.paper-glow {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: var(--accent);
    filter: blur(120px);
    opacity: 0.08;
    pointer-events: none;
}

.paper-toprow {
    display: flex;
    align-items: center;
    gap: var(--s3);
    margin-bottom: var(--s5);
    flex-wrap: wrap;
}

.paper-tag {
    font-family: var(--mono);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--accent-dim);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 6px 12px;
    border-radius: 4px;
}

.paper-id, .paper-year {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--ink-4);
    letter-spacing: 0.1em;
}

.paper-year { margin-left: auto; }

.paper-title {
    font-family: var(--display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: var(--s2);
}

.paper-byline {
    font-family: var(--sans);
    font-size: 0.875rem;
    color: var(--ink-3);
    margin-bottom: var(--s6);
}

.paper-abstract { margin-bottom: var(--s6); }

.pa-label {
    font-family: var(--mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-4);
    margin-bottom: var(--s3);
}

.paper-abstract > p {
    font-family: var(--sans);
    font-size: 1rem;
    color: var(--ink-2);
    line-height: 1.8;
}

.paper-keywords {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--s2);
    margin-bottom: var(--s6);
    padding-bottom: var(--s6);
    border-bottom: 1px solid var(--border);
}

.pk-label {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-4);
    letter-spacing: 0.08em;
    margin-right: var(--s2);
}

.pk-tag {
    font-family: var(--sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ink-2);
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 4px;
    transition: border-color var(--t), color var(--t);
}

.pk-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.paper-metrics {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--s4);
}

.pm-item { text-align: center; }

.pm-val {
    display: block;
    font-family: var(--display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1;
    margin-bottom: var(--s1);
}

.pm-key {
    display: block;
    font-family: var(--mono);
    font-size: 0.625rem;
    color: var(--ink-4);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pm-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.pm-link {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    font-family: var(--sans);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    margin-left: auto;
    transition: gap var(--t);
}

.pm-link:hover { gap: var(--s2); }

/* Interests Grid */
.interests-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s3);
}

.int-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--s6);
    display: flex;
    align-items: flex-start;
    gap: var(--s4);
    transition: border-color var(--t), transform var(--t-md), box-shadow var(--t-md);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.int-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transition: transform var(--t-md);
}

.int-item:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.int-item:hover::before {
    transform: scaleY(1);
}

.int-num {
    font-family: var(--display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    opacity: 0.5;
}

.int-content { flex: 1; }

.int-content h4 {
    font-family: var(--sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--s2);
}

.int-content p {
    font-family: var(--sans);
    font-size: 0.875rem;
    color: var(--ink-3);
    line-height: 1.6;
}

.int-arrow {
    font-family: var(--display);
    font-size: 1.25rem;
    color: var(--ink-5);
    transition: color var(--t), transform var(--t);
}

.int-item:hover .int-arrow {
    color: var(--accent);
    transform: translateX(4px);
}

/* ─── HACKATHONS ─── */
.hackathons-section { background: var(--bg-elevated); }

.hack-entries {
    display: flex;
    flex-direction: column;
    gap: var(--s6);
}

.hack-entry {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform var(--t-md), box-shadow var(--t-md);
}

.hack-entry:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.hack-entry--featured {
    border-color: var(--border-strong);
}

.he-visual {
    position: relative;
    padding: var(--s6);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 200px;
}

.he-visual-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-dim), transparent);
}

.he-visual-bg--secondary {
    background: linear-gradient(135deg, var(--blue-dim), transparent);
}

.he-visual-content {
    position: relative;
    z-index: 1;
}

.he-date {
    display: block;
    font-family: var(--display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--s1);
}

.he-duration {
    display: block;
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-4);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.he-body {
    padding: var(--s6);
    border-left: 1px solid var(--border);
}

.he-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s2);
    margin-bottom: var(--s4);
}

.heb {
    font-family: var(--sans);
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 5px 12px;
    letter-spacing: 0.03em;
    border-radius: 4px;
}

.heb--gold { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(245, 158, 11, 0.2); }
.heb--gov { background: var(--accent-dim); color: var(--accent-light); border: 1px solid rgba(99, 102, 241, 0.2); }
.heb--level { background: var(--bg); color: var(--ink-3); border: 1px solid var(--border); }
.heb--planned { background: var(--blue-dim); color: var(--blue); border: 1px solid rgba(59, 130, 246, 0.2); }

.he-body h3 {
    font-family: var(--display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: var(--s2);
    letter-spacing: -0.02em;
}

.he-sub {
    font-family: var(--sans);
    font-size: 0.875rem;
    color: var(--ink-4);
    margin-bottom: var(--s4);
    font-style: italic;
}

.he-body p:not(.he-sub) {
    font-family: var(--sans);
    font-size: 0.9375rem;
    color: var(--ink-3);
    line-height: 1.7;
    margin-bottom: var(--s4);
}

.he-project-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--s4);
    margin-bottom: var(--s4);
}

.hpb-header {
    display: flex;
    align-items: center;
    gap: var(--s3);
    margin-bottom: var(--s3);
}

.hpb-label {
    font-family: var(--mono);
    font-size: 0.625rem;
    color: var(--ink-4);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hpb-title {
    font-family: var(--sans);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--ink);
}

.hpb-flow {
    display: flex;
    align-items: center;
    gap: var(--s2);
    flex-wrap: wrap;
}

.hpb-step {
    font-family: var(--sans);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ink-2);
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.hpb-arrow {
    color: var(--ink-5);
    font-size: 0.75rem;
}

.he-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s2);
    margin-bottom: var(--s4);
}

.he-tech span {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
    border: 1px solid var(--border);
    padding: 5px 12px;
    background: var(--bg);
    border-radius: 4px;
}

.he-footer {
    display: flex;
    align-items: center;
    gap: var(--s4);
    flex-wrap: wrap;
    padding-top: var(--s4);
    border-top: 1px solid var(--border);
}

.he-footer-item {
    font-family: var(--sans);
    font-size: 0.8125rem;
    color: var(--ink-4);
}

/* Lessons */
.lessons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s3);
}

.lesson-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--s6);
    transition: border-color var(--t), transform var(--t-md);
    position: relative;
    overflow: hidden;
}

.lesson-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--t);
}

.lesson-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
}

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

.lesson-num {
    font-family: var(--display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--s4);
}

.lesson-card h4 {
    font-family: var(--sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--s2);
}

.lesson-card p {
    font-family: var(--sans);
    font-size: 0.875rem;
    color: var(--ink-3);
    line-height: 1.6;
}

/* ─── PROJECTS ─── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s3);
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: var(--s6);
    position: relative;
    overflow: hidden;
    transition: transform var(--t-md), box-shadow var(--t-md), border-color var(--t);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.project-card--featured {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
}

.project-card-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.project-card-glow {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: var(--accent);
    filter: blur(120px);
    opacity: 0.06;
}

.project-card-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--s5);
    flex-wrap: wrap;
    gap: var(--s3);
}

.project-num {
    font-family: var(--display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ink);
    opacity: 0.1;
    line-height: 1;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s1);
}

.project-stack span {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-4);
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 4px;
}

.project-title {
    font-family: var(--display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: var(--s2);
    letter-spacing: -0.02em;
}

.project-desc {
    font-family: var(--sans);
    font-size: 0.9375rem;
    color: var(--ink-3);
    line-height: 1.6;
    margin-bottom: var(--s5);
    flex: 1;
}

.project-desc code {
    font-family: var(--mono);
    font-size: 0.8125rem;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--accent-light);
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--s4);
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: var(--s3);
}

.project-domain {
    font-family: var(--sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ink-4);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    font-family: var(--sans);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap var(--t);
}

.project-link:hover { gap: var(--s2); }

/* ─── SKILLS ─── */
.skills-section { background: var(--bg-elevated); }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s4);
}

.skills-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: var(--s6);
    transition: border-color var(--t), transform var(--t-md);
}

.skills-block:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
}

.skills-block-header {
    display: flex;
    align-items: center;
    gap: var(--s3);
    margin-bottom: var(--s6);
    padding-bottom: var(--s4);
    border-bottom: 1px solid var(--border);
}

.skills-block-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border-radius: 8px;
    color: var(--accent);
}

.skills-block h3 {
    font-family: var(--sans);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ink);
}

.sb-rows {
    display: flex;
    flex-direction: column;
    gap: var(--s4);
}

.sb-row {
    display: flex;
    align-items: center;
    gap: var(--s3);
}

.sb-name {
    font-family: var(--sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ink-2);
    width: 110px;
    flex-shrink: 0;
}

.sb-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.sb-fill {
    position: absolute;
    inset: 0;
    right: auto;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
    transition: width 1.2s var(--ease-out);
}

.sb-pct {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-4);
    width: 32px;
    text-align: right;
    flex-shrink: 0;
}

/* ─── CONTACT ─── */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--s9);
    align-items: start;
}

.contact-lead {
    font-family: var(--display);
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.5;
    margin-bottom: var(--s7);
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.cc-row {
    display: flex;
    align-items: center;
    gap: var(--s4);
    padding: var(--s4);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: border-color var(--t), transform var(--t-md), background var(--t);
}

.cc-row:hover {
    border-color: var(--accent);
    transform: translateX(8px);
    background: var(--bg-hover);
}

.ccr-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border-radius: 10px;
    color: var(--accent);
    flex-shrink: 0;
}

.ccr-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ccr-label {
    font-family: var(--mono);
    font-size: 0.625rem;
    color: var(--ink-4);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.ccr-val {
    font-family: var(--sans);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--ink);
}

.ccr-arrow {
    color: var(--accent);
    font-size: 1.25rem;
    transition: transform var(--t);
}

.cc-row:hover .ccr-arrow {
    transform: translateX(4px);
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: var(--s7);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
}

.fg {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    margin-bottom: var(--s4);
}

.fg label {
    font-family: var(--sans);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ink-3);
    letter-spacing: 0.02em;
}

.fg input, .fg textarea {
    font-family: var(--sans);
    font-size: 0.9375rem;
    color: var(--ink);
    background: var(--bg);
    border: 1.5px solid var(--border);
    padding: 12px var(--s4);
    border-radius: 8px;
    outline: none;
    resize: vertical;
    line-height: 1.5;
    transition: border-color var(--t), box-shadow var(--t), background var(--t);
}

.fg input:focus, .fg textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
    background: var(--bg-elevated);
}

.fg input::placeholder, .fg textarea::placeholder {
    color: var(--ink-5);
}

.submit-btn {
    width: 100%;
    justify-content: center;
    margin-top: var(--s2);
}

.form-success, .form-error {
    font-family: var(--sans);
    font-size: 0.875rem;
    padding: var(--s3) var(--s4);
    border-radius: 8px;
    margin-top: var(--s3);
    display: none;
}

.form-success {
    color: var(--green);
    background: var(--green-dim);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-error {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ─── FOOTER ─── */
.footer {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    padding: var(--s7) 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s4);
    flex-wrap: wrap;
}

.footer-name {
    display: block;
    font-family: var(--display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: var(--s1);
}

.footer-sub {
    display: block;
    font-family: var(--sans);
    font-size: 0.8125rem;
    color: var(--ink-4);
}

.footer-center {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-5);
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    gap: var(--s4);
}

.footer-links a {
    font-family: var(--sans);
    font-size: 0.875rem;
    color: var(--ink-4);
    transition: color var(--t);
}

.footer-links a:hover { color: var(--ink); }

/* ─── TEXT LINK ─── */
.text-link {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    font-family: var(--sans);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap var(--t);
}

.text-link:hover { gap: var(--s2); }

/* ─── ANIMATIONS ─── */
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-col-right { display: none; }
    .about-layout { grid-template-columns: 1fr; gap: var(--s7); }
    .contact-layout { grid-template-columns: 1fr; gap: var(--s7); }
    .skills-grid { grid-template-columns: 1fr 1fr; }
    .interests-grid { grid-template-columns: 1fr; }
    .hack-entry { grid-template-columns: 1fr; }
    .he-visual { min-height: 120px; }
    .he-body { border-left: none; border-top: 1px solid var(--border); }
    .projects-grid { grid-template-columns: 1fr; }
    .lessons-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --nav-h: 64px; }
    .section { padding: var(--s8) 0; }
    .skills-grid { grid-template-columns: 1fr; }
    .hero-name-word { font-size: clamp(2.5rem, 12vw, 4rem); }
    .footer-inner { flex-direction: column; text-align: center; }
    .paper-metrics { gap: var(--s3); }
    .pm-divider { display: none; }
    .pm-link { margin-left: 0; width: 100%; justify-content: center; margin-top: var(--s3); }
}

@media (max-width: 480px) {
    .paper-card { padding: var(--s5); }
    .contact-form { padding: var(--s5); }
    .project-card { padding: var(--s5); }
    .lesson-card { padding: var(--s5); }
}

/* ─── REVEAL ANIMATIONS ─── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .hero-glow { animation: none; }
    .dot-live::after { animation: none; }
    .scroll-wheel { animation: none; }
}