/* ============================================
   JERRYLAB — Premium Personal Brand Portfolio
   Dark void aesthetic, purple accent, rich motion
   ============================================ */

/* ===== Variables ===== */
:root {
    --bg: #050505;
    --surface: #0a0a0a;
    --surface-elev: #111111;
    --border: rgba(255,255,255,.06);
    --border-hover: rgba(128,82,255,.25);
    --text: #fff;
    --text-sec: #aaa;
    --text-third: #666;
    --accent: #8052ff;
    --accent-light: #a78bfa;
    --accent-dark: #6326d0;
    --font: 'Noto Sans SC', sans-serif;
    --mono: 'Silkscreen', monospace;
    --ease: cubic-bezier(.16,1,.3,1);
    --ease-out: cubic-bezier(.22,1,.36,1);
    --space: 1rem;
    --container: 1400px;
}

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

html, body {
    margin: 0; padding: 0;
    width: 100%; overflow-x: hidden;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    cursor: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
section { margin: 0; padding: 0; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 calc(var(--space) * 5);
}

/* ===== Page Loader ===== */
.page-loader {
    position: fixed; inset:0; background: var(--bg);
    z-index: 99999;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column;
    gap: 2rem;
    transition: opacity .8s cubic-bezier(.16,1,.3,1), visibility .8s ease;
}
.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

/* Pixel JF Logo */
.loader-logo {
    font-family: var(--mono);
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: .15em;
    background: linear-gradient(135deg, var(--accent), var(--accent-light), var(--accent));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: loaderGradient 2s ease infinite, loaderAppear .8s var(--ease) both;
    position: relative;
}

.loader-logo::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: loaderLineExpand 1.2s var(--ease) .4s both;
}

.loader-text {
    display: block;
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: .5em;
    color: var(--text-sec);
    animation: loaderFadeUp .6s var(--ease) .6s both;
    text-transform: uppercase;
}

/* Glitch effect on logo */
.loader-logo span {
    display: inline-block;
    animation: loaderGlitch 3s ease infinite;
}
.loader-logo span:nth-child(2) {
    animation-delay: .15s;
}

/* Progress bar */
.loader-bar {
    width: 180px;
    height: 2px;
    background: var(--border);
    border-radius: 1px;
    overflow: hidden;
    position: relative;
}

.loader-bar::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent), var(--accent-light), var(--accent), transparent);
    background-size: 200% 100%;
    animation: loaderBarFill 2s var(--ease) forwards;
}

.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
    animation: loaderBarShine 1.5s ease infinite;
}

/* Particle dots */
.loader-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.loader-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: loaderParticleFloat 3s ease infinite;
}

@keyframes loaderGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes loaderAppear {
    from { opacity: 0; transform: scale(.8); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes loaderFadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes loaderLineExpand {
    from { width: 0; opacity: 0; }
    to { width: 60px; opacity: 1; }
}

@keyframes loaderGlitch {
    0%, 90%, 100% { transform: translate(0); filter: none; }
    92% { transform: translate(-2px, 1px); filter: hue-rotate(90deg); }
    94% { transform: translate(2px, -1px); filter: hue-rotate(-90deg); }
    96% { transform: translate(-1px, -1px); filter: none; }
    98% { transform: translate(1px, 1px); filter: hue-rotate(45deg); }
}

@keyframes loaderBarFill {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes loaderBarShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes loaderParticleFloat {
    0% { opacity: 0; transform: translateY(100vh) scale(0); }
    20% { opacity: .6; }
    80% { opacity: .6; }
    100% { opacity: 0; transform: translateY(-20px) scale(1); }
}

/* ===== Custom Cursor ===== */
.cursor-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%,-50%);
    transition: transform .1s ease, background .3s ease;
}
.cursor-ring {
    width: 36px; height: 36px;
    border: 1.5px solid rgba(128,82,255,.35);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 99997;
    transform: translate(-50%,-50%);
    transition: width .3s ease, height .3s ease, border-color .3s ease, transform .1s ease;
}
.cursor-ring.hover {
    width: 56px; height: 56px;
    border-color: rgba(128,82,255,.6);
}
.cursor-ring.click {
    transform: translate(-50%,-50%) scale(.85);
}

@media (max-width: 768px) {
    body { cursor: auto; }
    .cursor-dot, .cursor-ring { display: none; }
}

/* ===== Progress Bar ===== */
.progress-bar {
    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);
}

/* ===== Navbar ===== */
.navbar {
    position: fixed; top:0; left:0; right:0;
    z-index: 9990;
    padding: 1.2rem 0;
    transition: background .4s ease, box-shadow .4s ease, padding .4s ease;
}
.navbar.scrolled {
    background: rgba(5,5,5,.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--border);
    padding: .8rem 0;
}
.nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 calc(var(--space) * 5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo-mark {
    font-family: var(--mono);
    font-size: 1rem;
    font-weight: 700;
    font-style: italic;
    letter-spacing: .15em;
    color: var(--text);
    transition: color .3s ease;
}
.logo-mark:hover { color: var(--accent-light); }

.nav-right { display: flex; align-items: center; gap: 2rem; }
.nav-links {
    display: flex; align-items: center; gap: 2rem;
    list-style: none;
}
.nav-link {
    font-size: .85rem;
    color: var(--text-sec);
    letter-spacing: .04em;
    transition: color .3s ease;
    position: relative;
}
.nav-link::after {
    content:'';
    position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--accent);
    transition: width .3s ease;
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }
.nav-cta {
    padding: .5rem 1.2rem;
    border: 1px solid rgba(128,82,255,.3);
    border-radius: 100px;
    color: var(--accent-light) !important;
    transition: all .3s ease !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #fff !important;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.mobile-menu-btn span {
    width: 24px; height: 2px;
    background: var(--text);
    transition: all .3s ease;
}
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    position: fixed; inset: 0;
    background: rgba(5,5,5,.97);
    backdrop-filter: blur(30px);
    z-index: 9980;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all .4s ease;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-nav-link {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-sec);
    transition: color .3s ease;
}
.mobile-nav-link:hover { color: var(--text); }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
}

/* ===== Side Navigation ===== */
.side-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9980;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.side-dot {
    position: relative;
    width: 10px; height: 10px;
    display: block;
}
.side-dot-line {
    position: absolute;
    top: 50%; right: 100%;
    transform: translateY(-50%);
    width: 0; height: 1px;
    background: var(--accent);
    transition: width .3s ease;
}
.side-dot:hover .side-dot-line { width: 20px; }
.side-dot::before {
    content:'';
    position: absolute;
    width: 10px; height: 10px;
    border: 1.5px solid rgba(255,255,255,.15);
    border-radius: 50%;
    transition: all .3s ease;
}
.side-dot.active::before {
    border-color: var(--accent);
    background: var(--accent);
    box-shadow: 0 0 10px rgba(128,82,255,.5);
    transform: scale(1.2);
}
.side-dot-label {
    position: absolute;
    right: 22px; top: 50%;
    transform: translateY(-50%);
    font-size: .7rem;
    color: var(--text-third);
    white-space: nowrap;
    opacity: 0;
    transition: opacity .3s ease;
    pointer-events: none;
    letter-spacing: .05em;
}
.side-dot:hover .side-dot-label { opacity: 1; }

@media (max-width: 1024px) {
    .side-nav { display: none; }
}

/* ===== Section Common ===== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-label {
    font-family: var(--mono);
    font-size: .75rem;
    letter-spacing: .2em;
    color: var(--accent);
    display: block;
    margin-bottom: 1rem;
}
.section-title {
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    font-weight: 900;
    letter-spacing: .06em;
    margin-bottom: .8rem;
    line-height: 1.2;
}
.section-subtitle {
    font-size: 1rem;
    color: var(--text-sec);
    max-width: 600px;
    margin: 0 auto;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ===== HERO (preserved) ===== */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0;
}
.hero-bg-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: rgba(0, 0, 0, .25);
    z-index: 2;
}

/* Pixel Particle Canvas */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* ===== Global Background Video ===== */
.global-bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.global-bg-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.global-bg-video::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.85);
    pointer-events: none;
}

/* Hero stays unaffected — uses its own canvas bg */
#hero {
    z-index: 10;
    position: relative;
}

/* Sections get semi-transparent backgrounds so text stays readable */
.about,
.philosophy,
.stats-strip,
.student-works,
.experience,
.honors,
.contact,
.footer {
    position: relative;
    background: rgba(5, 5, 5, 0.3);
}

/* Cards and panels keep their own solid backgrounds */
.philosophy-card,
.work-card-inner,
.timeline-content,
.honor-card,
.contact-card,
.stat-item {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Global background video (all sections except hero) */
body-bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

/* ===== Global Background Video ===== */
.global-bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.global-bg-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.global-bg-video::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.85);
    pointer-events: none;
}

/* Hero stays unaffected — uses its own canvas bg */
#hero {
    z-index: 10;
    position: relative;
}

/* Sections get semi-transparent backgrounds so text stays readable */
.about,
.philosophy,
.stats-strip,
.student-works,
.experience,
.honors,
.contact,
.footer {
    position: relative;
    background: rgba(5, 5, 5, 0.3);
}

/* Cards and panels keep their own solid backgrounds */
.philosophy-card,
.work-card-inner,
.timeline-content,
.honor-card,
.contact-card,
.stat-item {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

body-bg-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

body-bg-video::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.88);
    pointer-events: none;
}

/* ===== Global Background Video ===== */
.global-bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.global-bg-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.global-bg-video::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.85);
    pointer-events: none;
}

/* Hero stays unaffected — uses its own canvas bg */
#hero {
    z-index: 10;
    position: relative;
}

/* Sections get semi-transparent backgrounds so text stays readable */
.about,
.philosophy,
.stats-strip,
.student-works,
.experience,
.honors,
.contact,
.footer {
    position: relative;
    background: rgba(5, 5, 5, 0.3);
}

/* Cards and panels keep their own solid backgrounds */
.philosophy-card,
.work-card-inner,
.timeline-content,
.honor-card,
.contact-card,
.stat-item {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Hero section overrides: no bg video visible */
#hero {
    position: relative;
    z-index: 10;
}

.hero-pixel-wrap {
    position: relative;
    z-index: 2;
    text-align: center;
}
.hero-pixel {
    font-family: 'Silkscreen', monospace;
    font-size: clamp(5rem, 15vw, 12rem);
    font-weight: 700;
    font-style: italic;
    line-height: 1;
    letter-spacing: -.12em;
    text-align: center;
    justify-content: center;
    color: #fff;
    text-shadow:
        0 0 10px rgba(128, 82, 255, .8),
        0 0 40px rgba(128, 82, 255, .4),
        0 0 80px rgba(128, 82, 255, .2);
}

.pixel-letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .4s cubic-bezier(.16,1,.3,1), transform .4s cubic-bezier(.16,1,.3,1);
}
.pixel-letter.typed {
    opacity: 1;
    transform: translateY(0);
}
.pixel-letter.deleted {
    opacity: 0;
    transform: translateY(-20px);
}

/* ===== PHILOSOPHY ===== */
.philosophy {
    padding: calc(var(--space) * 8) 0;
    position: relative;
    overflow: hidden;
}
.philosophy::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 1px; height: 80px;
    background: linear-gradient(to bottom, transparent, var(--accent));
}

.philosophy-hero-text {
    text-align: center;
    margin-bottom: 6rem;
}
.section-label {
    font-family: var(--mono);
    font-size: .75rem;
    letter-spacing: .2em;
    color: var(--accent);
    display: block;
    margin-bottom: 3rem;
}
.philosophy-heading {
    font-size: clamp(1.4rem, 2.8vw, 2.4rem);
    font-weight: 900;
    line-height: 1.4;
    margin-top: 1rem;
    overflow: visible;
    display: flex;
    flex-wrap: nowrap;
    white-space: nowrap;
    justify-content: center;
}

.heading-word {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%) rotateX(90deg);
    transform-origin: center bottom;
    transition: opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1);
}

.heading-word.revealed {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
}

/* Gradient on the whole sentence, not individual words */
.philosophy-heading .heading-word.highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Stagger delays for each character */
.philosophy-heading > .heading-word {
    margin-right: 0.3em;
}
.philosophy-heading > .heading-word:last-child {
    margin-right: 0;
}
.philosophy-heading > .heading-word:nth-of-type(1) { transition-delay: .00s; }
.philosophy-heading > .heading-word:nth-of-type(2) { transition-delay: .12s; }
.philosophy-heading > .heading-word:nth-of-type(3) { transition-delay: .24s; }
.philosophy-heading > .heading-word:nth-of-type(4) { transition-delay: .36s; }

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 6rem;
}

.philosophy-card {
    position: relative;
    padding: 3rem 2.2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: all .5s var(--ease);
}
.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .6s var(--ease);
}
.philosophy-card:hover::before { transform: scaleX(1); }
.philosophy-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 0 0 1px rgba(128,82,255,.08);
}

.card-number {
    font-family: var(--mono);
    font-size: .7rem;
    color: var(--accent);
    letter-spacing: .15em;
    margin-bottom: 1.5rem;
}
.philosophy-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.philosophy-card p {
    font-size: .9rem;
    color: var(--text-sec);
    line-height: 1.9;
    text-align: justify;
}
.card-icon {
    position: absolute;
    top: 2rem; right: 2rem;
    font-size: 2rem;
    opacity: .08;
    color: var(--accent);
}

/* Marquee */
.marquee-wrap {
    overflow: hidden;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.marquee-track {
    display: flex;
    gap: 2rem;
    animation: marqueeScroll 30s linear infinite;
    white-space: nowrap;
    width: max-content;
}
.marquee-track span {
    font-family: var(--mono);
    font-size: .85rem;
    letter-spacing: .15em;
    color: var(--text-third);
}
.marquee-sep {
    color: var(--accent) !important;
    opacity: .4;
}
@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@media (max-width: 1024px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* ===== STATS STRIP ===== */
.stats-strip {
    padding: calc(var(--space) * 8) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 50%, var(--bg) 100%);
    position: relative;
    overflow: hidden;
}
/* Subtle glowing orbs behind stats */
.stats-strip::before,
.stats-strip::after {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(128,82,255,.06) 0%, transparent 70%);
    pointer-events: none;
}

/* ===== Global Background Video ===== */
.global-bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.global-bg-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.global-bg-video::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.85);
    pointer-events: none;
}

/* Hero stays unaffected — uses its own canvas bg */
#hero {
    z-index: 10;
    position: relative;
}

/* Sections get semi-transparent backgrounds so text stays readable */
.about,
.philosophy,
.stats-strip,
.student-works,
.experience,
.honors,
.contact,
.footer {
    position: relative;
    background: rgba(5, 5, 5, 0.3);
}

/* Cards and panels keep their own solid backgrounds */
.philosophy-card,
.work-card-inner,
.timeline-content,
.honor-card,
.contact-card,
.stat-item {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.stats-strip::before {
    top: -100px; left: -50px;
}
.stats-strip::after {
    bottom: -100px; right: -50px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
}
/* Vertical divider between items */
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(128,82,255,.15), transparent);
}

/* Number + suffix on the SAME line, perfectly aligned */
.stat-number {
    font-family: 'Silkscreen', monospace;
    font-size: clamp(3.5rem, 8vw, 6rem);
    font-weight: 700;
    font-style: italic;
    line-height: 1;
    position: relative;
    display: inline-flex;
    align-items: baseline;
    gap: 0;
}

/* The numeric value */
.stat-number-val {
    font-size: clamp(2.45rem, 5.6vw, 4.2rem);
}
.stat-number-val[data-target="800"] {
    font-size: clamp(1.7rem, 3.9vw, 2.9rem);
}
    color: transparent;
    background: linear-gradient(135deg, var(--accent-light), var(--accent), var(--accent-dark));
    background-clip: text;
    -webkit-background-clip: text;
    filter: drop-shadow(0 0 20px rgba(128,82,255,.5)) drop-shadow(0 0 50px rgba(128,82,255,.2));
    transition: transform .4s var(--ease), filter .4s ease;
}

.stat-item:hover .stat-number-val {
    transform: scale(1.06);
    filter: drop-shadow(0 0 30px rgba(128,82,255,.7)) drop-shadow(0 0 70px rgba(128,82,255,.3));
}

/* The suffix (年+, 套+, 名+, 项+) — same line, slightly smaller */
.stat-suffix-inline {
    font-family: 'Silkscreen', monospace;
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    font-style: italic;
    color: var(--accent-light);
    display: inline;
    text-shadow: 0 0 15px rgba(167,139,250,.5);
    margin-left: 2px;
    vertical-align: baseline;
}

.stat-label {
    font-size: .85rem;
    color: var(--text-sec);
    margin-top: 1.2rem;
    letter-spacing: .1em;
    font-weight: 500;
}

@media (max-width: 768px) {
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

/* ===== STUDENT WORKS ===== */
.student-works {
    padding: calc(var(--space) * 8) 0;
}
.works-filter {
    display: flex;
    justify-content: center;
    gap: .8rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}
.filter-btn {
    padding: .5rem 1.4rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-sec);
    font-size: .85rem;
    font-family: var(--font);
    cursor: pointer;
    transition: all .3s ease;
}
.filter-btn:hover, .filter-btn.active {
    border-color: var(--accent);
    color: var(--accent-light);
    background: rgba(128,82,255,.06);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2rem;
}

.work-card { perspective: 1000px; }
.work-card-inner {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all .5s var(--ease);
}
.work-card:hover .work-card-inner {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(128,82,255,.1);
}

.work-card-preview {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.work-placeholder {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: transform .6s var(--ease);
}
.work-card:hover .work-placeholder { transform: scale(1.08); }
.placeholder-icon { opacity: .15; color: #fff; }

.work-style-1 { background: linear-gradient(135deg, #1a1040, #2d1b69); }
.work-style-2 { background: linear-gradient(135deg, #0d2137, #1a3a5c); }
.work-style-3 { background: linear-gradient(135deg, #1a0a2e, #3d1f6d); }
.work-style-4 { background: linear-gradient(135deg, #0a1628, #162d50); }
.work-style-5 { background: linear-gradient(135deg, #1a0f0f, #3d2020); }
.work-style-6 { background: linear-gradient(135deg, #0f1a14, #1d3d2a); }
.work-style-7 { background: linear-gradient(135deg, #1a1a0f, #3d3d1d); }

.work-overlay {
    position: absolute; inset: 0;
    background: rgba(128,82,255,.15);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .4s ease;
}
.work-card:hover .work-overlay { opacity: 1; }
.work-overlay-text {
    padding: .6rem 1.5rem;
    background: var(--accent);
    border-radius: 100px;
    font-size: .85rem;
    font-weight: 600;
    color: #fff;
    transition: transform .3s ease;
}
.work-overlay-text:hover { transform: scale(1.05); }

.work-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .6s var(--ease);
}
.work-card:hover .work-image {
    transform: scale(1.08);
}

.work-card-info { padding: 1.8rem; }
.work-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: .75rem;
    color: var(--text-third);
    margin-bottom: .8rem;
}
.work-student { color: var(--accent-light) !important; }
.work-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: .5rem;
}
.work-desc {
    font-size: .85rem;
    color: var(--text-sec);
    line-height: 1.8;
    margin-bottom: 1rem;
}
.work-tags { display: flex; gap: .5rem; }
.work-tag {
    padding: .25rem .7rem;
    background: rgba(255,255,255,.03);
    border-radius: 100px;
    font-size: .7rem;
    color: var(--text-third);
}

@media (max-width: 768px) {
    .works-grid { grid-template-columns: 1fr; }
}

/* ===== EXPERIENCE / TIMELINE ===== */
/* ===== EXPERIENCE ===== */
/* ============================================
   EXPERIENCE — A+C Hybrid Layout
   ============================================ */

.experience {
    padding: calc(var(--space) * 8) 0;
    min-height: 0;
}
.exp-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    margin-top: 2.5rem;
    align-items: start;
}

/* ==================== LEFT COLUMN ==================== */
.exp-left {
    position: sticky;
    top: calc(var(--nav-h) + 1.5rem);
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

/* Photo Frame with Glow */
.exp-photo-wrap {
    perspective: 1000px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.exp-photo-frame {
    position: relative;
    width: 280px;
    height: 360px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.06);
    transition: all .6s var(--ease);
    cursor: crosshair;
}
.exp-photo-frame:hover {
    border-color: rgba(128,82,255,.3);
    box-shadow: 0 25px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(128,82,255,.15);
}

/* Decorative border accent */
.photo-border-accent {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, transparent 40%, var(--accent) 50%, transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .6s var(--ease);
    pointer-events: none;
}
.exp-photo-frame:hover .photo-border-accent {
    opacity: 1;
    animation: borderShimmer 3s linear infinite;
}
@keyframes borderShimmer {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 200%; }
}

/* Corner accents */
.photo-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--accent);
    opacity: 0;
    transition: opacity .4s var(--ease);
    pointer-events: none;
    z-index: 3;
}
.photo-corner::before,
.photo-corner::after {
    content: '';
    position: absolute;
    background: var(--accent);
}
.photo-corner::before { width: 100%; height: 1px; }
.photo-corner::after { width: 1px; height: 100%; }

.corner-tl { top: 8px; left: 8px; }
.corner-br { bottom: 8px; right: 8px; }
.exp-photo-frame:hover .photo-corner { opacity: .5; }

/* Main photo */
.exp-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform .8s var(--ease), filter .8s var(--ease);
    filter: saturate(.9) contrast(1.05);
}
.exp-photo-frame:hover .exp-photo {
    transform: scale(1.04);
    filter: saturate(1) contrast(1.1);
}

/* Subtle gradient overlay */
.photo-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(5,5,5,.6) 100%);
    pointer-events: none;
    z-index: 1;
}

/* Light shine effect */
.photo-shine {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--shine-x, 50%) var(--shine-y, 50%), rgba(255,255,255,.08) 0%, transparent 60%);
    pointer-events: none;
    z-index: 2;
    opacity: 0;
    transition: opacity .3s ease;
}
.exp-photo-frame:hover .photo-shine {
    opacity: 1;
}

/* Caption */
.photo-caption {
    margin-top: 1.2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
}
.caption-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: .05em;
}
.caption-role {
    font-size: .75rem;
    color: var(--text-sec);
    letter-spacing: .1em;
    text-transform: uppercase;
}

/* Stats Grid */
.exp-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .8rem;
}
.exp-stat {
    padding: .9rem .8rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .2rem;
    transition: all .35s var(--ease);
    cursor: default;
}
.exp-stat:hover {
    border-color: var(--border-hover);
    background: var(--surface-elev);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,.3);
}
.exp-stat-num {
    font-family: var(--mono);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-light);
    letter-spacing: .02em;
}
.exp-stat-label {
    font-size: .68rem;
    color: var(--text-sec);
}

/* ==================== RIGHT COLUMN: ACCORDION ==================== */
.exp-right {
    display: flex;
    flex-direction: column;
    gap: .8rem;
}

.accordion-item {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
    transition: border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.accordion-item:hover {
    border-color: rgba(128,82,255,.15);
}
.accordion-item.active {
    border-color: var(--border-hover);
    box-shadow: 0 8px 40px rgba(128,82,255,.08), 0 0 0 1px rgba(128,82,255,.06);
}

/* Header */
.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.4rem;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--text);
    transition: background .3s var(--ease);
    font-family: var(--font);
}
.accordion-header:hover {
    background: var(--surface-elev);
}
.accordion-period {
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--accent-light);
    letter-spacing: .03em;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 90px;
}
.accordion-title {
    font-size: .95rem;
    font-weight: 700;
    flex: 1;
    letter-spacing: .01em;
}
.accordion-icon {
    width: 20px;
    height: 14px;
    position: relative;
    flex-shrink: 0;
}
.accordion-line {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-light);
    border-radius: 1px;
    transition: transform .4s var(--ease), opacity .3s var(--ease);
}
.accordion-line:first-child {
    top: 6px;
}
.accordion-line:last-child {
    top: 0;
    transform: rotate(90deg);
}
.accordion-item.active .accordion-line:first-child {
    opacity: 0;
}
.accordion-item.active .accordion-line:last-child {
    transform: rotate(0deg);
}

/* Body */
.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .5s var(--ease);
}
.accordion-content {
    padding: 0 1.4rem 1.3rem;
}
.acc-desc {
    font-size: .85rem;
    color: var(--text-sec);
    line-height: 1.85;
    margin-bottom: .7rem;
}
.acc-desc:last-child {
    margin-bottom: 0;
}


.acc-dimension {
    margin-bottom: 1.2rem;
}

.acc-dimension:last-child {
    margin-bottom: 0;
}

.dim-title {
    font-size: .82rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: .02em;
    margin-bottom: .5rem;
}

/* Highlight Numbers */
.acc-highlights {
    display: flex;
    gap: 1.2rem;
    margin-top: 1.2rem;
    flex-wrap: wrap;
}
.acc-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .2rem;
    padding: .7rem 1rem;
    border-radius: 10px;
    background: rgba(128,82,255,.06);
    border: 1px solid rgba(128,82,255,.1);
    transition: all .3s var(--ease);
}
.acc-highlight:hover {
    background: rgba(128,82,255,.1);
    border-color: rgba(128,82,255,.2);
    transform: translateY(-2px);
}
.acc-h-num {
    font-family: var(--mono);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-light);
}
.acc-h-label {
    font-size: .65rem;
    color: var(--text-sec);
}

/* Project Groups */
.acc-project-group {
    margin-bottom: 1.2rem;
}
.acc-project-group:last-child {
    margin-bottom: 0;
}
.acc-group-title {
    font-size: .82rem;
    font-weight: 700;
    color: var(--accent-light);
    margin-bottom: .6rem;
    letter-spacing: .03em;
}
.acc-project {
    display: flex;
    align-items: baseline;
    gap: .6rem;
    margin-bottom: .5rem;
    font-size: .84rem;
    line-height: 1.7;
    color: var(--text-sec);
    transition: color .3s var(--ease);
}
.acc-project:hover {
    color: var(--text);
}
.acc-project strong {
    color: var(--text);
    flex-shrink: 0;
    font-size: .84rem;
}
.acc-project-detail {
    flex: 1;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .exp-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .exp-left {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: stretch;
    }
    .exp-photo-wrap {
        flex: 0 0 auto;
    }
    .exp-photo-frame {
        width: 180px;
        height: 220px;
    }
    .exp-stats {
        flex: 1;
    }
}
@media (max-width: 640px) {
    .exp-layout {
        gap: 1.5rem;
    }
    .exp-left {
        flex-direction: column;
        align-items: center;
    }
    .exp-photo-frame {
        width: 160px;
        height: 200px;
    }
    .exp-stats {
        grid-template-columns: 1fr 1fr;
    }
    .accordion-header {
        padding: .9rem 1rem;
        gap: .6rem;
    }
    .accordion-period {
        display: none;
    }
    .accordion-title {
        font-size: .85rem;
    }
    .accordion-content {
        padding: 0 1rem 1rem;
    }
    .acc-highlights {
        gap: .6rem;
    }
    .acc-project {
        flex-direction: column;
        gap: .2rem;
    }
}

/* ===== HONORS ===== */
.honors {
    padding: calc(var(--space) * 8) 0;
}
.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}
.honor-card {
    padding: 2.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all .4s var(--ease);
    position: relative;
    overflow: hidden;
}
.honor-card::before {
    content:'';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .5s var(--ease);
}
.honor-card:hover::before { transform: scaleX(1); }
.honor-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(0,0,0,.4), 0 0 0 1px rgba(128,82,255,.06);
}
.honor-icon { font-size: 2rem; margin-bottom: 1rem; }
.honor-year {
    font-family: var(--mono);
    font-size: .8rem;
    color: var(--accent);
    letter-spacing: .1em;
    margin-bottom: .5rem;
}
.honor-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: .3rem;
}
.honor-desc {
    font-size: .85rem;
    color: var(--text-sec);
}

/* ===== CONTACT ===== */
.contact {
    padding: calc(var(--space) * 8) 0;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin-top: 3rem;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.contact-card {
    padding: 1.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 1rem;
    transition: all .4s var(--ease);
}
.contact-card:hover {
    border-color: var(--border-hover);
    background: var(--surface-elev);
    transform: translateX(6px);
}
.contact-card-icon { font-size: 1.5rem; margin-bottom: .5rem; }
.contact-card h4 {
    font-size: .85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: .3rem;
}
.contact-card a, .contact-card p {
    font-size: .9rem;
    color: var(--text-sec);
}
.contact-card a:hover { color: var(--accent-light); }

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label {
    font-size: .8rem;
    color: var(--text-sec);
    letter-spacing: .04em;
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: .85rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-family: var(--font);
    font-size: .9rem;
    transition: all .3s ease;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: rgba(128,82,255,.03);
    box-shadow: 0 0 0 3px rgba(128,82,255,.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-third);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group select option {
    background: var(--surface);
    color: var(--text);
}
.btn-submit {
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .85rem 2rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border: none;
    border-radius: 100px;
    color: #fff;
    font-family: var(--font);
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .04em;
    cursor: pointer;
    transition: all .4s var(--ease);
}
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(128,82,255,.3);
}
.btn-arrow { transition: transform .3s ease; }
.btn-submit:hover .btn-arrow { transform: translateX(4px); }

@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== FOOTER ===== */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
}
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.footer-brand {
    display: flex;
    align-items: center;
}
.footer-logo-text {
    font-family: var(--mono);
    font-size: .85rem;
    font-weight: 700;
    font-style: italic;
    letter-spacing: .15em;
}
.footer-copy {
    font-size: .8rem;
    color: var(--text-third);
}

/* ===== Scroll ===== */
#hero { scroll-margin-top: 0; }
section[id] { scroll-margin-top: 5rem; }

/* ===== Magnetic Button Effect (generic) ===== */
.magnetic {
    transition: transform .3s var(--ease);
}

/* ==================== PDF MODAL ==================== */
.pdf-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}
.pdf-modal.open {
    display: flex;
}
.pdf-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    transition: opacity .35s var(--ease);
}
.pdf-modal.open .pdf-modal-backdrop {
    opacity: 1;
}
.pdf-modal-container {
    position: relative;
    width: 90vw;
    height: 90vh;
    max-width: 1400px;
    border-radius: 8px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, .6);
    overflow: hidden;
    transform: scale(.92);
    opacity: 0;
    transition: transform .35s var(--ease), opacity .35s var(--ease);
}
.pdf-modal.open .pdf-modal-container {
    transform: scale(1);
    opacity: 1;
}
.pdf-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, .15);
    backdrop-filter: blur(8px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    transition: background .25s ease;
}
.pdf-modal-close:hover {
    background: rgba(255, 255, 255, .3);
}
.pdf-modal-close span {
    position: absolute;
    width: 18px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
}
.pdf-modal-close span:first-child {
    transform: rotate(45deg);
}
.pdf-modal-close span:last-child {
    transform: rotate(-45deg);
}
.pdf-modal-frame {
    width: 100%;
    height: 100%;
    display: block;
}
.work-card[data-pdf] {
    cursor: pointer;
}
.work-card[data-pdf]:hover .work-overlay {
    opacity: 1;
    background: rgba(128, 82, 255, .2);
}
.work-card[data-pdf]:hover {
    transform: translateY(-4px);
}

/* ===== Course Subtitle ===== */
.course-subtitle {
    font-size: .75rem;
    font-weight: 500;
    color: var(--accent-light);
    letter-spacing: .04em;
    margin-bottom: .6rem;
    font-style: italic;
    opacity: .9;
}

/* ===== Tech Stack Tags ===== */
.course-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    margin-bottom: 1.2rem;
}

.tech-tag {
    font-size: .65rem;
    font-family: var(--mono);
    padding: .2rem .55rem;
    border-radius: 4px;
    background: rgba(128, 82, 255, .08);
    border: 1px solid rgba(128, 82, 255, .15);
    color: var(--accent-light);
    letter-spacing: .03em;
    transition: all .25s ease;
}

.tech-tag:hover {
    background: rgba(128, 82, 255, .15);
    border-color: rgba(128, 82, 255, .3);
}

/* ===== Flagship Card ===== */
.course-flagship .course-card-inner {
    border-color: rgba(128, 82, 255, .15);
    background: linear-gradient(160deg, rgba(128, 82, 255, .04), var(--surface));
}

.course-badge-flagship {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    font-weight: 700;
    letter-spacing: .08em;
}

.meta-highlight {
    color: var(--accent-light);
    font-weight: 600;
}

/* ===== Module items: show 3 with scroll hint ===== */
.course-modules {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* ===== Responsive: 2 columns ===== */
@media (max-width: 1200px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Responsive: 1 column ===== */
@media (max-width: 768px) {
    .courses {
        padding: 5rem 0 4rem;
    }
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .course-card-inner {
        padding: 1.5rem 1.3rem;
    }
    .course-title {
        font-size: 1.2rem;
    }
    .course-subtitle {
        font-size: .7rem;
    }
}

/* ===== Staggered reveal animation ===== */
.course-card.reveal {
    opacity: 0;
    transform: translateY(40px);
}

.course-card.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.course-card.reveal.revealed:nth-child(1) { transition-delay: .0s; }
.course-card.reveal.revealed:nth-child(2) { transition-delay: .1s; }
.course-card.reveal.revealed:nth-child(3) { transition-delay: .2s; }
.course-card.reveal.revealed:nth-child(4) { transition-delay: .3s; }
.course-card.reveal.revealed:nth-child(5) { transition-delay: .4s; }
.course-card.reveal.revealed:nth-child(6) { transition-delay: .5s; }


/* Pixel italic style for philosophy heading */
.heading-word-pixel {
    font-family: 'Silkscreen', var(--mono), monospace;
    font-style: italic;
    text-transform: uppercase;
    letter-spacing: 0;
}

/* Double-space gap between words: space characters get 2x width */

.heading-word-pixel.italic {
    font-style: italic;
}

/* Performance: GPU acceleration hints */
.global-bg-video video {
    will-change: opacity;
}
.hero-particles, .hero-bg-canvas {
    will-change: transform;
}
.reveal {
    will-change: transform, opacity;
}
.work-card, .philosophy-card, .honor-card, .timeline-content, .contact-card {
    will-change: transform;
}

/* ==================== COURSES SECTION ==================== */
.courses {
    position: relative;
    z-index: 2;
    padding: 8rem 0 6rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.course-card {
    perspective: 1200px;
}

.course-card-inner {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem 1.8rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform .5s var(--ease), border-color .4s ease, box-shadow .4s ease;
    overflow: hidden;
}

.course-card-inner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity .4s ease;
}

.course-card:hover .course-card-inner {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 60px rgba(128, 82, 255, .08), 0 1px 0 var(--border);
}

.course-card:hover .course-card-inner::before {
    opacity: 1;
}

/* Glow effect on hover */
.course-card-inner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--glow-x, 50%) var(--glow-y, 0%), rgba(128, 82, 255, .06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity .4s ease;
    pointer-events: none;
}

.course-card:hover .course-card-inner::after {
    opacity: 1;
}

.course-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.course-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(128, 82, 255, .15), rgba(128, 82, 255, .05));
    border: 1px solid rgba(128, 82, 255, .15);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s ease;
    image-rendering: pixelated;
    position: relative;
    overflow: hidden;
}

.course-icon-wrap::before {
    content: '';
    position: absolute;
    inset: 3px;
    border: 1px solid rgba(128, 82, 255, .08);
    border-radius: 8px;
    pointer-events: none;
}

.course-card:hover .course-icon-wrap {
    background: linear-gradient(135deg, rgba(128, 82, 255, .3), rgba(128, 82, 255, .12));
    border-color: rgba(128, 82, 255, .4);
    box-shadow: 0 0 20px rgba(128, 82, 255, .15);
}

.course-icon {
    font-size: 1.6rem;
    line-height: 1;
    font-family: 'Silkscreen', var(--mono), monospace;
    font-weight: 700;
    color: var(--accent-light);
    image-rendering: pixelated;
    text-shadow: 0 0 8px rgba(128, 82, 255, .4);
    transition: text-shadow .3s ease, transform .3s ease;
}

.course-card:hover .course-icon {
    text-shadow: 0 0 14px rgba(128, 82, 255, .7);
    transform: scale(1.1);
}

.course-badge {
    font-size: .7rem;
    font-weight: 500;
    letter-spacing: .06em;
    padding: .35rem .85rem;
    border-radius: 100px;
    background: rgba(128, 82, 255, .1);
    border: 1px solid rgba(128, 82, 255, .2);
    color: var(--accent-light);
    white-space: nowrap;
}

.course-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .75rem;
    letter-spacing: .02em;
    line-height: 1.4;
}

.course-desc {
    font-size: .85rem;
    color: var(--text-sec);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 0;
}

.course-modules {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.module-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .8rem;
    color: var(--text-sec);
    padding: .5rem .75rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, .02);
    border: 1px solid transparent;
    transition: all .3s ease;
}

.module-item:hover {
    background: rgba(128, 82, 255, .05);
    border-color: rgba(128, 82, 255, .1);
    color: var(--text);
}

.module-num {
    font-family: var(--mono);
    font-size: .7rem;
    color: var(--accent);
    min-width: 24px;
    font-weight: 700;
}

.module-name {
    flex: 1;
    line-height: 1.4;
}

.course-meta {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.meta-item {
    font-size: .72rem;
    color: var(--text-third);
    display: flex;
    align-items: center;
    gap: .35rem;
    letter-spacing: .02em;
}

.meta-icon {
    font-size: .75rem;
    opacity: .7;
}

/* ===== Responsive: 2 columns ===== */
@media (max-width: 1200px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Responsive: 1 column ===== */
@media (max-width: 768px) {
    .courses {
        padding: 5rem 0 4rem;
    }
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .course-card-inner {
        padding: 1.5rem 1.3rem;
    }
    .course-title {
        font-size: 1.2rem;
    }
}

/* ===== Staggered reveal animation ===== */
.course-card.reveal {
    opacity: 0;
    transform: translateY(40px);
}

.course-card.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.course-card.reveal.revealed:nth-child(1) { transition-delay: .0s; }
.course-card.reveal.revealed:nth-child(2) { transition-delay: .1s; }
.course-card.reveal.revealed:nth-child(3) { transition-delay: .2s; }
.course-card.reveal.revealed:nth-child(4) { transition-delay: .3s; }
.course-card.reveal.revealed:nth-child(5) { transition-delay: .4s; }
.course-card.reveal.revealed:nth-child(6) { transition-delay: .5s; }