:root {
    --paper: #f7f4ee;
    --paper-2: #f1ede4;
    --ink: #1c1b1a;
    --muted: #5b5a57;
    --accent: #1e3a8a;
    --accent-2: #a16207;
    --rule: #d7d1c6;
    --card: #fffdf8;
    --shadow: rgba(28, 27, 26, 0.08);
    --shadow-strong: rgba(28, 27, 26, 0.16);
    --mono: 'SF Mono', SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, monospace;
    --sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --max: 1120px;
}

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

body {
    font-family: var(--sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--ink);
    background: radial-gradient(1200px 800px at 80% -10%, rgba(161, 98, 7, 0.08), transparent 60%),
        radial-gradient(900px 600px at 10% 10%, rgba(30, 58, 138, 0.08), transparent 55%),
        linear-gradient(180deg, var(--paper), var(--paper-2));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(247, 244, 238, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--rule);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: var(--max);
    margin: 0 auto;
    gap: 1rem;
}

.logo {
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--ink);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.72rem;
    padding-bottom: 4px;
    position: relative;
    border-bottom: none;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--ink);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

.dark-mode-toggle {
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: var(--radius-pill);
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.dark-mode-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero-banner {
    position: relative;
    width: 100%;
    height: 45vh;
    overflow: hidden;
    flex-shrink: 0;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 1.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, var(--paper) 0%, transparent 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
    display: block;
}

.hero-content {
    max-width: 720px;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    margin-top: -70px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s,
        transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s;
}

.hero-content h1 {
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    margin-bottom: 0.6rem;
    font-weight: 700;
}

.highlight {
    color: inherit;
}

.tagline {
    font-size: 1.2rem;
    color: var(--muted);
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-pill);
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 10px 24px rgba(30, 58, 138, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 30px rgba(30, 58, 138, 0.35);
}

.profile-pic {

    width: 170px;
    height: 170px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid var(--card);
    box-shadow: 0 18px 35px var(--shadow);
    margin-bottom: 1.8rem;
    cursor: pointer;
    transition: transform 0.3s ease,
        box-shadow 0.3s ease;
    position: relative;
    z-index: 2;
}

.profile-pic:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 22px 45px var(--shadow-strong);
}


section {
    padding: 5rem 0;
}

.about-me {
    background: transparent;
}

.about-card {
    max-width: 820px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 2.8rem;
    box-shadow: 0 18px 40px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 45px var(--shadow-strong);
    border-color: var(--accent);
}

.about-card p {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.2rem;
}

.about-card p:last-child {
    margin-bottom: 0;
}

section h2 {
    text-align: center;
    font-size: clamp(2rem, 3vw, 2.6rem);
    margin-bottom: 2.5rem;
    position: relative;
}

/* Story Text Formatting */
.story-text {
    margin-top: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--rule);
}

.story-text p {
    margin-bottom: 0.8rem;
    line-height: 1.6;
    color: var(--muted);
    font-size: 0.95rem;
}

.story-text p:last-child {
    margin-bottom: 0;
}

.project-card:hover .story-text,
.experience-card:hover .story-text {
    border-left-color: var(--accent);
}

.about,
.education,
.projects,
.photography,
.contact,
.experience {
    background: transparent;
}

.education-card,
.experience-card,
.project-card {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    box-shadow: 0 18px 40px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px var(--shadow-strong);
    border-color: var(--accent);
}

.education-card:hover,
.experience-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 45px var(--shadow-strong);
    border-color: var(--accent);
}

.education-card,
.experience-card {
    max-width: 820px;
    margin: 0 auto;
    padding: 2.4rem;
}

.education-card h3,
.experience-header h3,
.project-card h3 {
    color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 0.6rem;
}

.degree,
.company {
    font-weight: 600;
    color: var(--ink);
}

.date {
    color: var(--muted);
    font-size: 0.95rem;
    display: block;
    margin-bottom: 1rem;
    font-family: var(--mono);
}






/* Animated Skills Marquee */
.skills-marquee {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow: hidden;
    padding: 2rem 0;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.skills-static {
    display: none;
}

.skills-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: scroll 30s linear infinite;
}

.skills-track.reverse {
    animation-direction: reverse;
}

.skills-track:hover {
    animation-play-state: paused;
}

.skills-track .skill-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    width: 90px;
    height: 90px;
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 16px;
    flex-shrink: 0;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    cursor: default;
    user-select: none;
}

.skills-track .skill-tile i,
.skills-static .skill-tile i {
    font-size: 2rem !important;
    line-height: 1 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    height: 32px;
    width: 32px;
    margin: 0 !important;
}

.skills-track .skill-tile img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.skills-track .skill-tile span {
    font-size: 0.72rem;
    font-family: var(--mono);
    color: var(--muted);
    text-align: center;
    white-space: nowrap;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
}

.skills-track .skill-tile:hover {
    transform: translateY(-4px) scale(1.06);
    border-color: var(--accent);
    box-shadow: 0 8px 20px var(--shadow);
}

/* Emoji fallback tiles */
.skill-tile--text .skill-tile-emoji {
    font-size: 1.8rem;
    line-height: 1;
}

/* Mobile static fallback */
.skills-static .skill-tile {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 80px;
    height: 80px;
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 14px;
    margin: 0.3rem;
}



.skills-static .skill-tile span {
    font-size: 0.65rem;
    font-family: var(--mono);
    color: var(--muted);
    text-align: center;
    white-space: nowrap;
}

body.dark-mode .skills-track .skill-tile,
body.dark-mode .skills-static .skill-tile {
    background: #1b1a18;
    border-color: #2d2c2a;
}

body.dark-mode .skills-track .skill-tile:hover {
    border-color: #a5b4fc;
}

body.dark-mode .skills-track .skill-tile span,
body.dark-mode .skills-static .skill-tile span {
    color: #999;
}

body.dark-mode .skill-tile i.devicon-rust-original,
body.dark-mode .skill-tile i.devicon-linux-plain {
    filter: invert(1) brightness(1.2);
}

body.dark-mode .skill-tile i.devicon-git-plain {
    filter: brightness(1.3);
}


@keyframes scroll {
    to {
        transform: translateX(-50%);
    }
}

.projects .project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.8rem;
}

.project-card {
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.project-tech {
    font-weight: 600;
    color: var(--accent-2);
    font-family: var(--mono);
    font-size: 0.9rem;
}

.project-date {
    font-size: 0.85rem;
    color: var(--muted);
    font-family: var(--mono);
}

.project-link {
    display: inline-block;
    margin-top: 0.6rem;
    font-size: 0.88rem;
    font-family: var(--mono);
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color 0.2s ease, transform 0.2s ease;
}

.project-link:hover {
    color: var(--accent-2);
    transform: translateX(3px);
}

body.dark-mode .project-link {
    color: #a5b4fc;
}

body.dark-mode .project-link:hover {
    color: #c4b5fd;
}

.project-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin-bottom: 0.6rem;
    display: block;
    box-shadow: 0 10px 24px var(--shadow);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.project-img:hover {
    transform: translateY(-4px);
}

.experience-card ul,
.project-card ul {
    list-style: none;
    margin-top: 0.5rem;
}

.experience-card li,
.project-card li {
    position: relative;
    padding-left: 1.6rem;
    margin-bottom: 0.9rem;
    color: var(--muted);
}

.experience-card li::before,
.project-card li::before {
    content: '→';
    font-family: var(--mono);
    position: absolute;
    left: 0;
    color: var(--accent);
}

.experience-img {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: var(--radius-sm);
    margin-bottom: 1.2rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 14px 28px var(--shadow);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.experience-img:hover {
    transform: translateY(-4px);
}

.ubc-logo {
    width: 90px;
    height: auto;
    margin-bottom: 1rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
    padding: 14px;
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--rule);
}

.photography .photography-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 1.6rem;
}

.photo-card {
    overflow: hidden;
    padding: 0;
    border-radius: var(--radius);
    background: transparent;
}

.photo-card img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    display: block;
    border-radius: var(--radius);
    cursor: pointer;
    transition: transform 0.4s ease, filter 0.3s ease;
}

.photo-card:hover img {
    transform: scale(1.03);
    filter: brightness(1.05);
}

.contact {
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 4rem;
}

.contact p {
    color: var(--muted);
    max-width: 640px;
    margin: 0 auto 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-links a {
    padding: 0.9rem 1.6rem;
    background: var(--ink);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.contact-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--accent);
    transition: width 0.3s ease;
    z-index: -1;
}

.contact-links a:hover::before {
    width: 100%;
}

.contact-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.3);
}

footer {
    border-top: 1px solid var(--rule);
    text-align: center;
    padding: 2rem;
    color: var(--muted);
    font-family: var(--mono);
    background: rgba(255, 255, 255, 0.4);
    margin-top: auto;
}

#scrollToTop {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99;
    font-size: 16px;
    border: 1px solid var(--rule);
    background-color: var(--card);
    color: var(--ink);
    cursor: pointer;
    padding: 12px;
    border-radius: 50%;
    transition: transform 0.2s ease, border-color 0.2s ease;
    width: 44px;
    height: 44px;
}

#scrollToTop:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(15, 15, 15, 0.94);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
}

.modal-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: #f1f1f1;
    font-size: 44px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover,
.modal-close:focus {
    color: #bbb;
}

#modalCaption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 20px 0;
    font-size: 1.1rem;
    font-family: var(--mono);
}

/* Apple-style scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.stagger-child {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stagger-child.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Hero entrance animation */
.hero-banner.hero-entered {
    opacity: 1;
    transform: scale(1);
}

.hero-content.hero-entered {
    opacity: 1;
    transform: translateY(0);
    margin-top: -70px;
}

body.dark-mode .hero-banner::after {
    background: linear-gradient(to top, #111110 0%, transparent 100%);
}

.expandable-img {
    cursor: pointer;
}

body.dark-mode {
    background: #111110;
    color: #f3f2ef;
}

body.dark-mode header {
    background: rgba(17, 17, 16, 0.92);
    border-bottom-color: #2d2c2a;
}

body.dark-mode .nav-links a {
    color: #f3f2ef;
}

body.dark-mode .nav-links a:hover,
body.dark-mode .nav-links a.active {
    color: #a5b4fc;
    border-bottom-color: #a5b4fc;
}

body.dark-mode .dark-mode-toggle {
    background: #1d1c1a;
    border-color: #2d2c2a;
    color: #f3f2ef;
}

body.dark-mode .hamburger span {
    background: #f3f2ef;
}




body.dark-mode .highlight {
    color: inherit;
    background: none;
}

body.dark-mode .education-card,
body.dark-mode .experience-card,
body.dark-mode .project-card,
body.dark-mode .photo-card,
body.dark-mode .about-card {
    background: #1b1a18;
    border-color: #2d2c2a;
    box-shadow: none;
}

body.dark-mode .skill-card p,
body.dark-mode .project-card li,
body.dark-mode .experience-card li,
body.dark-mode .story-text p {
    color: #ccc;
}

body.dark-mode .story-text {
    border-left-color: #2d2c2a;
}

body.dark-mode .project-date,
body.dark-mode .date,
body.dark-mode .contact p {
    color: #c9c7c2;
}

body.dark-mode .contact-links a {
    background: #f3f2ef;
    color: #111110;
}

body.dark-mode footer {
    background: #111110;
    border-top-color: #2d2c2a;
}

@media (max-width: 768px) {
    nav {
        flex-direction: row;
        justify-content: space-between;
        padding: 1rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--paper);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        border-bottom: 1px solid var(--rule);
        padding: 1.5rem 0;
        gap: 0.8rem;
    }

    body.dark-mode .nav-links {
        background-color: #111110;
        border-bottom-color: #2d2c2a;
    }

    body.dark-mode .nav-links li {
        border-bottom-color: #2d2c2a;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        padding: 0.8rem 0;
        border-bottom: 1px solid var(--rule);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .hero {
        padding-top: 110px;
    }

    .profile-pic {
        width: 140px;
        height: 140px;
    }

    section {
        padding: 3.5rem 0;
    }


    .experience-card,
    .project-card {
        padding: 1.6rem;
    }

    /* Mobile Hero Adjustment */
    .hero {
        justify-content: center;
        padding-top: 70px;
        /* Reduced from 110px since there banner is gone */
    }

    .hero-banner {
        display: none;
    }

    .hero-content {
        margin-top: 0;
    }

    /* Mobile Skills Fallback */
    .skills-marquee {
        display: none;
    }

    .skills-static {
        display: flex;
        flex-wrap: wrap;
        gap: 0.8rem;
        /* Increased gap */
        justify-content: center;
        padding: 1.5rem 0.5rem;
        /* Added padding */
        margin-bottom: 1rem;
    }



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

    .photo-card img {
        height: 300px;
    }
}

/* --- Swup Page Transitions --- */
.transition-fade {
    transition: 0.4s;
    opacity: 1;
}

html.is-animating .transition-fade {
    opacity: 0;
    transform: translateY(10px);
}