@import url("https://fonts.googleapis.com/css2?family=Lora:ital,wght@1,400&display=swap");

@font-face {
    font-family: "September Spirit";
    src:
        url("../SeptemberSpirit.woff2") format("woff2"),
        url("../SeptemberSpirit.woff") format("woff");
    font-weight: normal;
    font-style: normal;
    font-display: auto;
}

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

html {
    height: 100%;
    font-size: 16px;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    position: relative;
    min-height: 100vh;
    font-family:
        system-ui,
        -apple-system,
        "Segoe UI",
        Roboto,
        Oxygen,
        Ubuntu,
        Cantarell,
        "Fira Sans",
        "Droid Sans",
        "Helvetica Neue",
        sans-serif;
    background: #f6f5f1;
    color: #222;
}

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

a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid currentColor;
    transition:
        color 0.2s ease,
        border-color 0.2s ease;
}

.script {
    font-family: "September Spirit", sans-serif;
    color: rgb(32, 84, 229);
}

/* ===== NOISE OVERLAY ===== */
#noise-overlay {
    position: fixed;
    top: 0;
    left: 50vw;
    width: 50vw;
    height: 200px;
    z-index: -1;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(15deg, transparent 50%, black 100%);
    mask-image: linear-gradient(15deg, transparent 50%, black 100%);
}

/* ===== CONTAINER ===== */
.container {
    max-width: calc(850px + 4rem);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== HOMEPAGE ===== */

.home-hero {
    display: flex;
    align-items: start;
    gap: 40px;
    padding-top: 120px;
}

.home-head {
    max-width: 420px;
    flex-shrink: 0;
}

.home-head h1,
.notes-page h1 {
    font-size: 81px;
    font-weight: 700;
    letter-spacing: -3px;
    line-height: 1;
    color: #222;
    margin-bottom: -8px;
}

.home-head .script {
    font-size: 56px;
    letter-spacing: -2.1px;
    line-height: 0.9;
    margin-bottom: 36px;
    color: rgb(32, 84, 229);
}

.home-head p {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: -0.3px;
    color: #222;
    margin-bottom: 12px;
}

.home-head a:not(.read-essays-btn) {
    color: rgb(32, 84, 229);
    border-bottom: none;
}

.home-head a:not(.read-essays-btn):hover {
    border-bottom: 1px solid currentColor;
}

.read-essays-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #222;
    color: #fff;
    padding: 0 20px;
    height: 42px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.3px;
    border: none;
    cursor: pointer;
    margin-top: 24px;
    margin-bottom: 36px;
    transition: opacity 0.2s;
}

.read-essays-btn:hover {
    opacity: 0.85;
}

.home-head .scroll-hint {
    font-size: 36px;
    letter-spacing: -0.5px;
    line-height: 0.8;
}

/* Hero image */
.hero-wrapper {
    position: relative;
    flex: 1;
    min-width: 0;
    margin-top: 80px;
    padding-top: 2rem;
}

.hero-image {
    position: relative;
    overflow: hidden;
    transform: perspective(1200px) rotate(6deg);
    max-width: 366px;
}

.hero-image img {
    width: 100%;
    max-width: 366px;
    height: auto;
    display: block;
}

.hero-circular-text {
    position: absolute;
    top: -45px;
    left: 0px;
    width: 60px;
    height: 60px;
    z-index: 0;
    animation: spin 20s linear infinite;
}

.hero-circular-text svg {
    width: 100%;
    height: 100%;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Work section */
.work-section {
    display: flex;
    flex-direction: column;
    gap: 80px;
    margin: 140px 0 100px;
}

.work-row {
    display: grid;
    grid-template-columns: 1fr 280px;
    grid-template-areas:
        "video entry"
        "video secondary";
    gap: 40px;
    align-items: start;
}

.work-row:nth-child(2) {
    grid-template-columns: 280px 1fr;
    grid-template-areas:
        "entry video"
        "secondary video";
}

.work-row .work-entry {
    grid-area: entry;
}

.work-row video {
    grid-area: video;
    width: 100%;
}

.work-row .work-secondary {
    grid-area: secondary;
}

.work-entry {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.work-date {
    font-size: 11px;
    font-weight: 400;
    color: #757575;
    letter-spacing: -0.11px;
    margin-bottom: 4px;
}

.work-company {
    font-size: 25px;
    font-weight: 400;
    letter-spacing: -0.5px;
    color: #222;
}

.work-role {
    font-size: 29px;
    letter-spacing: normal;
    line-height: 0.9;
    margin-bottom: 8px;
}

.work-desc {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: -0.3px;
    color: #222;
}

.work-secondary {
    width: 100%;
    height: auto;
}

/* Home tail */
.home-tail {
    max-width: 420px;
    margin: 0 0 100px;
}

.home-tail p {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: -0.3px;
    color: #222;
    margin-bottom: 16px;
}

/* Social links */
.social-links {
    display: flex;
    gap: 24px;
    margin-top: 8px;
}

.social-links a {
    display: flex;
    width: 32px;
    height: 32px;
    color: #000;
    border: none;
    opacity: 0.3;
    transition:
        opacity 0.1s,
        transform 0.1s;
}

.social-links a:hover {
    opacity: 0.8;
    transform: rotate(-4deg);
}

.social-links svg {
    width: 100%;
    height: 100%;
}

/* Seen on section */
.seen-on {
    margin: 0;
}

.seen-on h2 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.8px;
    line-height: 1.2;
    color: #222;
    margin-bottom: 24px;
}

.marquee {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

.marquee::before,
.marquee::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    z-index: 1;
    pointer-events: none;
}

.marquee::before {
    left: 0;
    background: linear-gradient(to right, #f6f5f1, transparent);
}

.marquee::after {
    right: 0;
    background: linear-gradient(to left, #f6f5f1, transparent);
}

.marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    animation: marquee-scroll 30s linear infinite;
}

.marquee-track a {
    border: none;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
}

.marquee-track img {
    height: 60px;
    width: auto;
    filter: grayscale(1);
    opacity: 0.7;
    transition:
        filter 0.2s,
        opacity 0.2s,
        transform 0.2s;
}

.marquee-track img:hover {
    filter: grayscale(0);
    opacity: 1;
    transform: rotate(-4deg);
}

.marquee-separator {
    color: #222;
    font-size: 20px;
    flex-shrink: 0;
    opacity: 0.3;
}

@keyframes marquee-scroll {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-33.333%);
    }
}

/* Footer */
.footer {
    padding-top: 100px;
    padding-bottom: 24px;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: -0.2px;
    color: rgb(83, 83, 83);
}

/* ===== NOTES LISTING PAGE ===== */

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 16px;
    font-weight: 500;
    color: #222;
    border: none;
    padding: 40px 0 60px;
    letter-spacing: -0.3px;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 0.6;
}

.notes-page .subtitle {
    font-size: 56px;
    letter-spacing: -2.1px;
    margin-bottom: 48px;
}

.notes-list {
    list-style: none;
    padding: 0;
}

.notes-list a {
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    border: none;
    border-bottom: 1px solid #e5e5e5;
    transition: opacity 0.2s;
}

.notes-list a:hover {
    opacity: 0.6;
}

.notes-list .note-list-date {
    font-family: "Lora", serif;
    font-style: italic;
    font-size: 11px;
    color: #999;
    margin-bottom: 4px;
}

.notes-list .note-list-title {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: -0.5px;
    color: #222;
}

/* ===== NOTE DETAIL ===== */
.note {
    width: min(calc(850px + 4rem), 100%);
    display: grid;
    grid-template-columns: 1fr min(calc(100% - 4rem), 850px) 1fr;
    padding-top: 0;
    padding-bottom: 4rem;
    margin: 0 auto;
    max-width: 100vw;
    overflow-x: hidden;
}

.note > * {
    grid-column: 2;
    width: 100%;
}

.note .back-link {
    padding: 40px 0 60px;
}

.note-header {
    display: flex;
    flex-direction: column;
    margin-bottom: 48px;
}

.note-cover {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 48px;
}

.note-title {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.2;
    color: #222;
    margin-bottom: 8px;
}

.note-date {
    font-family: "September Spirit", sans-serif;
    font-size: 33px;
    color: rgb(32, 84, 229);
    letter-spacing: -0.1px;
    line-height: 0.7;
}

.note-content p {
    font-size: 18px;
    font-weight: 400;
    color: #555;
    line-height: 2;
    letter-spacing: -0.2px;
    margin-bottom: 1.5em;
}

.note-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    letter-spacing: -0.5px;
    line-height: 1.4;
    margin-top: 2em;
    margin-bottom: 1rem;
}

.note-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    letter-spacing: -0.3px;
    line-height: 1.4;
    margin-top: 1.5em;
    margin-bottom: 0.75rem;
}

.note-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: #333;
    margin-top: 1.5em;
    margin-bottom: 0.5rem;
}

.note-content a {
    border-bottom: 1px solid currentColor;
}

.note-content ul,
.note-content ol {
    font-size: 18px;
    color: #555;
    line-height: 2;
    letter-spacing: -0.2px;
    margin: 0 auto 1.5rem;
    padding-left: 1.25rem;
}

.note-content li {
    margin-bottom: 0.2rem;
    word-wrap: break-word;
}

.note-content blockquote {
    border-left: 2px solid #ccc;
    margin-bottom: 1.5em;
    padding: 0.2em 1em;
    color: #555;
}

.note-content blockquote > *:last-child {
    margin-bottom: 0;
}

.note-content hr {
    border: 0;
    border-bottom: 1px solid #e5e5e5;
    margin: 2em 0;
}

.note-content figure {
    margin-bottom: 2rem;
    grid-column: 1 / span 3 !important;
}

.note-content figure figcaption {
    font-size: 0.8rem;
    text-align: center;
    margin-top: 0.4rem;
    color: #999;
}

.note-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 18px;
    color: #555;
}

.note-content th,
.note-content td {
    padding: 8px 12px;
    border-bottom: 1px solid #e5e5e5;
    text-align: left;
}

.note-content th {
    font-weight: 700;
    color: #333;
}

/* Code */
code,
pre {
    font-family:
        ui-monospace, "Segoe UI Mono", "Roboto Mono", "Oxygen Mono",
        "Ubuntu Monospace", "Fira Mono", monospace;
}

code {
    color: inherit;
    background: rgba(0, 0, 0, 0.08);
    padding: 2px 6px;
    margin: 0 4px;
    border-radius: 4px;
    font-size: 0.84em;
}

pre {
    display: block;
    margin: 2em auto;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    background-color: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 1.4em;
}

pre code {
    font-size: 100%;
    color: inherit;
    background-color: transparent;
    padding: 0;
    margin: 0;
}

sup {
    vertical-align: top;
    position: relative;
    top: -0.5em;
    margin-left: 1px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 860px) {
    #noise-overlay {
        left: 0;
        width: 100vw;
        -webkit-mask-image: linear-gradient(
            to bottom,
            black 0%,
            transparent 100%
        );
        mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
    }

    .home-hero {
        position: relative;
        flex-direction: column;
    }

    .home-head {
        max-width: 100%;
    }

    .hero-wrapper {
        position: absolute;
        top: -40px;
        right: -2rem;
        margin-top: 0;
        padding-top: 0;
        width: 180px;
        opacity: 1;
        z-index: 0;
    }

    .hero-image {
        max-width: 100%;
        transform: perspective(1200px) rotate(6deg);
    }

    .hero-circular-text {
        display: none;
    }

    p,
    .home-head p,
    .home-tail p,
    .note-content p {
        font-size: 15px;
        line-height: 1.9em;
    }

    .work-row {
        grid-template-columns: 1fr;
        grid-template-areas:
            "entry"
            "secondary"
            "video";
        gap: 24px;
    }

    .work-row:nth-child(2) {
        grid-template-columns: 1fr;
        grid-template-areas:
            "entry"
            "video"
            "secondary";
    }

    .home-tail {
        max-width: 100%;
    }
}

@media (max-width: 720px) {
    html {
        font-size: max(2.222vw, 13px);
    }

    .home-head h1,
    .notes-page h1 {
        font-size: 56px;
    }

    .home-head .script,
    .notes-page .subtitle {
        font-size: 40px;
    }

    .note-title {
        font-size: 40px;
    }

    .note-date {
        font-size: 24px;
    }

    .note-header {
        margin-top: 0;
    }
}