:root {
    /* Main palette */
    --paper: #F6EFE4;
    --paper-2: #EFE5D5;
    --card: #FBF7F0;
    --ink: #181310;
    --ink-2: #3D342C;
    --muted: #7B6F63;
    --amber: #C87B2C;
    --amber-2: #E7A44F;
    --moss: #5C7A4A;
    --white: #FFFFFF;
    --transparent: transparent;
    --line: rgba(24, 19, 16, .13);

    /* Buttons */
    --amber-hover: #B96C22;
    --btn-ink-shadow: rgba(24, 19, 16, .75);
    --btn-ink-shadow-hover: rgba(24, 19, 16, .8);
    --btn-ghost-hover-bg: rgba(24, 19, 16, .04);
    --btn-amber-shadow: rgba(200, 123, 44, .9);

    /* Navigation */
    --nav-bg: rgba(246, 239, 228, .82);
    --nav-shadow: rgba(24, 19, 16, .6);
    --nav-link-hover-bg: rgba(24, 19, 16, .06);
    --logo-shadow: rgba(200, 123, 44, .95);
    --mobile-menu-line: rgba(24, 19, 16, .07);

    /* Hero */
    --pill-border: rgba(24, 19, 16, .22);
    --pill-bg: rgba(255, 255, 255, .35);
    --pill-dot-shadow: rgba(92, 122, 74, .18);
    --orbit-border: rgba(231, 164, 79, .16);

    /* Code card */
    --code-bg: #141110;
    --code-footer-bg: #1C1815;
    --code-border: rgba(255, 255, 255, .12);
    --code-divider: rgba(255, 255, 255, .08);
    --code-shadow: rgba(0, 0, 0, .55);
    --code-muted: #8E847A;
    --code-text: #D9D2C7;
    --code-line-number: #5D5B6C;
    --code-string: #A8BE8E;
    --code-string-shadow: rgba(168, 190, 142, .6);
    --window-close: #8C4A32;
    --window-minimize: #8C7432;
    --window-maximize: #4C7A46;
    --chip-bg: #242332;
    --chip-shadow: rgba(0, 0, 0, .3);

    /* Slogan marquee and cards */
    --strip-bg: rgba(239, 229, 213, .55);
    --amber-glow-soft: rgba(231, 164, 79, .28);
    --amber-glow: rgba(231, 164, 79, .35);
    --amber-glow-stats: rgba(231, 164, 79, .22);
    --card-shadow: rgba(24, 19, 16, .6);
    --card-shadow-strong: rgba(24, 19, 16, .65);
    --amber-border-soft: rgba(200, 123, 44, .28);
    --amber-border: rgba(200, 123, 44, .45);
    --amber-border-hover: rgba(200, 123, 44, .5);
    --amber-bg-soft: rgba(200, 123, 44, .12);
    --amber-icon-bg: rgba(200, 123, 44, .16);
    --amber-focus-ring: rgba(231, 164, 79, .22);

    /* Events and stats */
    --moss-tag-bg: rgba(92, 122, 74, .14);
    --moss-tag-text: #47603A;
    --moss-tag-border: rgba(92, 122, 74, .3);
    --amber-tag-bg: rgba(200, 123, 44, .14);
    --amber-tag-text: #96601F;
    --amber-tag-border: rgba(200, 123, 44, .3);
    --stats-text: rgba(246, 239, 228, .66);
    --stats-bg: #181310;
    --stats-fg: #F6EFE4;
    --logo-tile: transparent;

    /* Mentors */
    --mentor-moss-light: #7E9B68;
    --mentor-earth-light: #9A8471;
    --mentor-earth-dark: #6B5849;
    --mentor-amber-light: #D9A05B;
    --mentor-amber-dark: #A8602A;
    --avatar-shadow: rgba(200, 123, 44, .9);

    /* CTA and form */
    --cta-bg-end: #F0E3CE;
    --cta-border: rgba(200, 123, 44, .35);

    /* Tracks section */
    --tracks-bg: rgba(239, 229, 213, .42);

    /* Per-track accent color */
    --path: var(--amber); /* Current track; each page overrides it with an inline style */
    --path-frontend: var(--amber);
    --path-backend: var(--moss);
    --path-algorithms: var(--code-line-number);
    --path-devops: var(--window-close);
    --console-error: #E07856;

    /* Login panel and dashboard */
    --danger: #B0502F;
    --auth-error: #9C4328;
    --auth-error-bg: #F9E9E1;
    --auth-error-ring: rgba(176, 80, 47, .1);
    --auth-error-border: rgba(176, 80, 47, .22);
    --auth-error-border-strong: rgba(176, 80, 47, .25);
    --auth-success-bg: #EAF0E3;
    --auth-info: #8E581D;
    --auth-info-bg: #F4E7D2;
    --placeholder: #A09385;
    --auth-glow-amber: rgba(231, 164, 79, .13);
    --auth-glow-moss: rgba(92, 122, 74, .08);
    --auth-footer-bg: rgba(246, 239, 228, .55);
    --card-sheen: rgba(255, 255, 255, .7);
    --input-bg: rgba(255, 255, 255, .8);
    --surface-raised: rgba(255, 255, 255, .55);
    --surface-glass: rgba(255, 255, 255, .45);
    --task-body-bg: rgba(239, 229, 213, .35);
    --table-head-bg: rgba(239, 229, 213, .62);
    --table-row-hover: rgba(239, 229, 213, .3);

    /* In-page alerts (info = cool purple, distinct from the amber warning) */
    --alert-info: #55536B;
    --alert-info-bg: #EDEDF4;
    --alert-info-border: rgba(93, 91, 108, .32);
    --alert-icon-bg: rgba(93, 91, 108, .12);

    /* Community social networks — colors from the official Shad and Rubika logos */
    --social-shad: #14A072;
    --social-shad-soft: rgba(20, 160, 114, .12);
    --social-shad-border: rgba(20, 160, 114, .35);
    --social-rubika: #E74B50;
    --social-rubika-2: #F6A925;
    --social-rubika-soft: rgba(231, 75, 80, .1);
    --social-rubika-border: rgba(231, 75, 80, .32);

    --radius: 18px;
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --sans: 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', sans-serif;
    color-scheme: light;
}

/* ============ Dark theme — same tokens, same place ============ */
:root[data-theme="dark"] {
    color-scheme: dark;
    --paper: #161210;
    --paper-2: #201A16;
    --card: #241D18;
    --ink: #F2EADC;
    --ink-2: #D8CCBB;
    --muted: #A29482;
    --amber: #E7A44F;
    --amber-2: #F2B76B;
    --moss: #8FAF7A;
    --white: #2C241E;
    --line: rgba(242, 234, 220, .14);

    --amber-hover: #F2B76B;
    --btn-ink-shadow: rgba(0, 0, 0, .6);
    --btn-ink-shadow-hover: rgba(0, 0, 0, .7);
    --btn-ghost-hover-bg: rgba(242, 234, 220, .06);
    --btn-amber-shadow: rgba(231, 164, 79, .55);

    --nav-bg: rgba(22, 18, 16, .82);
    --nav-shadow: rgba(0, 0, 0, .6);
    --nav-link-hover-bg: rgba(242, 234, 220, .07);
    --logo-shadow: rgba(231, 164, 79, .5);
    --mobile-menu-line: rgba(242, 234, 220, .08);

    --pill-border: rgba(242, 234, 220, .22);
    --pill-bg: rgba(255, 255, 255, .06);
    --pill-dot-shadow: rgba(143, 175, 122, .25);
    --orbit-border: rgba(231, 164, 79, .2);

    --code-bg: #100D0B;
    --code-footer-bg: #1A1613;
    --code-border: rgba(255, 255, 255, .14);
    --code-line-number: #8B89A3;
    --window-close: #C67A54;
    --window-minimize: #C9A24A;
    --window-maximize: #7FAF6E;

    --strip-bg: rgba(32, 26, 22, .6);
    --amber-glow-soft: rgba(231, 164, 79, .2);
    --amber-glow: rgba(231, 164, 79, .26);
    --amber-glow-stats: rgba(231, 164, 79, .16);
    --card-shadow: rgba(0, 0, 0, .6);
    --card-shadow-strong: rgba(0, 0, 0, .7);
    --amber-border-soft: rgba(231, 164, 79, .3);
    --amber-border: rgba(231, 164, 79, .45);
    --amber-border-hover: rgba(231, 164, 79, .55);
    --amber-bg-soft: rgba(231, 164, 79, .12);
    --amber-icon-bg: rgba(231, 164, 79, .16);
    --amber-focus-ring: rgba(231, 164, 79, .25);

    --moss-tag-bg: rgba(143, 175, 122, .14);
    --moss-tag-text: #A5C48F;
    --moss-tag-border: rgba(143, 175, 122, .35);
    --amber-tag-bg: rgba(231, 164, 79, .14);
    --amber-tag-text: #E9B36A;
    --amber-tag-border: rgba(231, 164, 79, .35);
    --stats-text: rgba(242, 234, 220, .66);
    --stats-bg: #0C0A08;
    --stats-fg: #F2EADC;
    --logo-tile: #F8FAFC;

    --avatar-shadow: rgba(231, 164, 79, .5);
    --cta-bg-end: #2A221C;
    --cta-border: rgba(231, 164, 79, .35);
    --tracks-bg: rgba(32, 26, 22, .5);

    --danger: #E07856;
    --auth-error: #E58B6B;
    --auth-error-bg: #3A241C;
    --auth-error-ring: rgba(224, 120, 86, .15);
    --auth-error-border: rgba(224, 120, 86, .35);
    --auth-error-border-strong: rgba(224, 120, 86, .4);
    --auth-success-bg: #26301F;
    --auth-info: #E9B36A;
    --auth-info-bg: #33291D;
    --placeholder: #857767;
    --auth-glow-amber: rgba(231, 164, 79, .1);
    --auth-glow-moss: rgba(143, 175, 122, .08);
    --auth-footer-bg: rgba(22, 18, 16, .6);
    --card-sheen: rgba(255, 255, 255, .05);
    --input-bg: rgba(255, 255, 255, .05);
    --surface-raised: rgba(255, 255, 255, .06);
    --surface-glass: rgba(255, 255, 255, .04);
    --task-body-bg: rgba(32, 26, 22, .5);
    --table-head-bg: rgba(32, 26, 22, .7);
    --table-row-hover: rgba(32, 26, 22, .45);

    --alert-info: #B4B2D0;
    --alert-info-bg: #262433;
    --alert-info-border: rgba(165, 163, 194, .35);
    --alert-icon-bg: rgba(165, 163, 194, .16);

    --social-shad: #2FC98F;
    --social-shad-soft: rgba(47, 201, 143, .14);
    --social-shad-border: rgba(47, 201, 143, .4);
    --social-rubika: #FF6B6E;
    --social-rubika-2: #F2B76B;
    --social-rubika-soft: rgba(255, 107, 110, .12);
    --social-rubika-border: rgba(255, 107, 110, .38);
}

/* ============ Theme toggle ============ */
.theme-toggle {
    position: relative;
    width: 42px;
    height: 42px;
    flex: none;
    display: grid;
    place-items: center;
    border: 1.5px solid var(--line);
    border-radius: 12px;
    background: var(--transparent);
    color: var(--ink-2);
    cursor: pointer;
    transition: border-color .2s, color .2s, background .2s, transform .2s;
}
.theme-toggle:hover { border-color: var(--amber-border); color: var(--amber); background: var(--amber-bg-soft); transform: translateY(-1px); }
.theme-toggle svg { width: 20px; height: 20px; overflow: visible; }
.theme-toggle .tt-core {
    fill: currentColor;
    transform-box: fill-box;
    transform-origin: center;
    transition: transform .45s cubic-bezier(.4, 0, .2, 1);
}
.theme-toggle .tt-rays {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    transform-box: fill-box;
    transform-origin: center;
    transition: transform .45s cubic-bezier(.4, 0, .2, 1), opacity .3s;
}
.theme-toggle .tt-cut { transition: transform .45s cubic-bezier(.4, 0, .2, 1); transform: translate(12px, -12px); }
.theme-toggle .tt-stars { opacity: 0; transition: opacity .3s .1s; }
:root[data-theme="dark"] .theme-toggle .tt-rays { opacity: 0; transform: rotate(60deg) scale(.5); }
:root[data-theme="dark"] .theme-toggle .tt-core { transform: scale(1.12); }
:root[data-theme="dark"] .theme-toggle .tt-cut { transform: translate(0, 0); }
:root[data-theme="dark"] .theme-toggle .tt-stars { opacity: 1; }
.theme-toggle-floating { position: fixed; top: 14px; inset-inline-start: 14px; z-index: 950; background: var(--card); box-shadow: 0 10px 24px -14px var(--card-shadow); }

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

[hidden] {
    display: none !important
}

html {
    scroll-behavior: smooth
}

body {
    font-family: var(--sans);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Paper grain */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: .16;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body>* {
    position: relative;
    z-index: 1
}

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

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

::selection {
    background: var(--amber-2);
    color: var(--ink)
}

.wrap {
    width: min(1180px, 100% - 48px);
    margin-inline: auto
}

.mono {
    font-family: var(--mono);
    letter-spacing: .02em
}

/* ============ Buttons ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .85rem 1.6rem;
    border-radius: 999px;
    font-family: var(--sans);
    font-weight: 700;
    font-size: .95rem;
    border: 1.5px solid var(--transparent);
    cursor: pointer;
    transition: transform .25s, box-shadow .25s, background .25s, color .25s, border-color .25s;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px)
}

.btn svg {
    width: 18px;
    height: 18px;
    flex: none
}

.btn-ink {
    background: var(--ink);
    color: var(--paper);
    box-shadow: 0 10px 22px -12px var(--btn-ink-shadow)
}

.btn-ink:hover {
    box-shadow: 0 16px 30px -12px var(--btn-ink-shadow-hover)
}

.btn-ghost {
    background: var(--transparent);
    color: var(--ink);
    border-color: var(--line)
}

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

.btn-amber {
    background: var(--amber);
    color: var(--white);
    box-shadow: 0 10px 22px -12px var(--btn-amber-shadow)
}

.btn-amber:hover {
    background: var(--amber-hover)
}

.bar-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem .8rem;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--paper);
    color: var(--ink-2);
    font-family: var(--sans);
    font-size: .74rem;
    font-weight: 700;
    cursor: pointer;
    transition: border-color .2s, color .2s, background .2s;
}
.bar-btn:hover { border-color: var(--amber-border); color: var(--amber); background: var(--amber-bg-soft); }
.bar-btn svg { width: 14px; height: 14px; }

/* ============ Top bar ============ */
.nav {
    position: sticky;
    top: 0;
    z-index: 60;
    background: var(--nav-bg);
    backdrop-filter: blur(14px) saturate(140%);
    border-bottom: 1px solid var(--transparent);
    transition: border-color .3s, box-shadow .3s, background .3s;
}

.nav.scrolled {
    border-bottom-color: var(--line);
    box-shadow: 0 8px 24px -20px var(--nav-shadow)
}

.nav-in {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    height: 74px
}

.logo {
    display: flex;
    align-items: center;
    gap: .65rem
}

.logo-img {
    width: 40px;
    height: 40px;
    flex: none;
    object-fit: contain;
    padding: 3px;
    border-radius: 12px;
    background: var(--logo-tile);
    box-shadow: 0 8px 18px -10px var(--logo-shadow);
    transition: transform .25s;
}

.logo:hover .logo-img { transform: rotate(-6deg) scale(1.06); }

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1
}

.logo-text b {
    font-family: var(--mono);
    font-size: 1.18rem;
    font-weight: 600;
    letter-spacing: -.02em
}

.logo-text small {
    font-size: .66rem;
    color: var(--muted);
    letter-spacing: .04em
}

.nav-links {
    display: flex;
    align-items: center;
    gap: .35rem
}

.nav-links a {
    padding: .5rem .85rem;
    border-radius: 999px;
    font-size: .9rem;
    font-weight: 500;
    color: var(--ink-2);
    transition: background .2s, color .2s;
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: .6rem
}

.nav-cta .btn {
    padding: .62rem 1.25rem;
    font-size: .86rem
}

.burger {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1.5px solid var(--line);
    background: var(--transparent);
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.burger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: .3s
}

.burger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg)
}

.burger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0
}

.burger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg)
}

.mobile-menu {
    display: none;
    border-top: 1px solid var(--line);
    background: var(--paper);
    padding: .6rem 0 1.2rem;
}

.mobile-menu.open {
    display: block;
    animation: drop .28s ease
}

@keyframes drop {
    from {
        opacity: 0;
        transform: translateY(-8px)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.mobile-menu a {
    display: block;
    padding: .75rem .4rem;
    border-bottom: 1px solid var(--mobile-menu-line);
    font-weight: 500
}

.mobile-menu .btn {
    margin-top: 1rem;
    width: 100%;
    justify-content: center
}

/* ============ Hero ============ */
.hero {
    padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4rem);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem .95rem;
    border-radius: 999px;
    border: 1.5px dashed var(--pill-border);
    font-size: .78rem;
    color: var(--ink-2);
    background: var(--pill-bg);
    margin-bottom: 1.4rem;
}

.pill i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--moss);
    flex: none;
    box-shadow: 0 0 0 3px var(--pill-dot-shadow)
}

h1 {
    font-size: clamp(2.1rem, 5vw, 3.55rem);
    line-height: 1.28;
    font-weight: 900;
    letter-spacing: -.01em;
    margin-bottom: 1.15rem;
}

.hl {
    position: relative;
    z-index: 0;
    white-space: nowrap
}

.hl::after {
    content: "";
    position: absolute;
    inset-inline: -4px;
    bottom: .08em;
    height: .4em;
    z-index: -1;
    background: linear-gradient(90deg, var(--amber-2), var(--amber));
    opacity: .5;
    border-radius: 5px;
    transform: skewX(-8deg);
}

.hero p.lead {
    font-size: 1.03rem;
    color: var(--ink-2);
    max-width: 46ch;
    margin-bottom: 1.6rem
}

.tagline {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    direction: ltr;
    font-family: var(--mono);
    font-size: .86rem;
    font-weight: 600;
    background: var(--ink);
    color: var(--amber-2);
    padding: .5rem .95rem;
    border-radius: 10px;
    margin-bottom: 1.9rem;
}

.caret {
    display: inline-block;
    width: 8px;
    height: 15px;
    background: var(--amber-2);
    animation: blink 1.1s steps(1) infinite
}

@keyframes blink {

    0%,
    49% {
        opacity: 1
    }

    50%,
    100% {
        opacity: 0
    }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    align-items: center
}

.hero-note {
    font-size: .78rem;
    color: var(--muted);
    margin-top: 1.1rem
}

/* ============ Hero terminal card ============ */
.hero-art {
    position: relative;
    min-height: 430px;
    display: grid;
    place-items: center;
    isolation: isolate;
}

.orbit {
    position: absolute;
    border: 1px solid var(--orbit-border);
    border-radius: 50%;
    transform: rotate(-25deg);
    pointer-events: none;
}

.orbit-a {
    width: 470px;
    height: 310px
}

.orbit-b {
    width: 400px;
    height: 420px;
    transform: rotate(55deg)
}

.code-window {
    position: relative;
    width: min(100%, 440px);
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 14px;
    box-shadow: 0 25px 90px var(--code-shadow);
    overflow: hidden;
    transform: rotate(-2deg);
    transition: transform .5s cubic-bezier(.2, .7, .2, 1);
}

.code-window:hover {
    transform: rotate(0deg)
}

.window-top {
    height: 42px;
    border-bottom: 1px solid var(--code-divider);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    color: var(--code-muted);
    font-family: var(--mono);
    font-size: .68rem;
    direction: ltr;
}

.window-dots {
    display: flex;
    gap: 5px
}

.window-dots i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--window-close)
}

.window-dots i:nth-child(2) {
    background: var(--window-minimize)
}

.window-dots i:nth-child(3) {
    background: var(--window-maximize)
}

.window-lock {
    color: var(--amber-2)
}

.code-content {
    padding: 24px 22px 19px;
    font-family: var(--mono);
    font-size: .72rem;
    line-height: 2.1;
    color: var(--code-text);
    overflow-x: auto;
}

.code-content em {
    font-style: normal;
    color: var(--code-line-number);
    display: inline-block;
    width: 29px;
}

.kw {
    color: var(--amber-2)
}

.code-content b {
    color: var(--code-string);
    font-weight: 500
}

.code-content strong {
    color: var(--amber-2);
    font-weight: 400
}

.num {
    color: var(--amber-2)
}

.code-gap {
    height: 13px
}

.cursor-line {
    height: 18px
}

.cursor {
    display: inline-block;
    width: 7px;
    height: 14px;
    background: var(--amber-2);
    vertical-align: middle;
    animation: blink 1s steps(2) infinite;
}

@keyframes blink {
    50% {
        opacity: 0
    }
}

.code-footer {
    height: 33px;
    background: var(--code-footer-bg);
    border-top: 1px solid var(--code-divider);
    padding: 0 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--code-muted);
    font-family: var(--mono);
    font-size: .58rem;
    direction: ltr;
}

.status-dot {
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--code-string);
    box-shadow: 0 0 10px var(--code-string-shadow);
}

.floating-chip {
    position: absolute;
    background: var(--chip-bg);
    border: 1px solid var(--code-border);
    border-radius: 8px;
    padding: 10px 13px;
    font-family: var(--mono);
    font-size: .6rem;
    color: var(--code-text);
    box-shadow: 0 10px 30px var(--chip-shadow);
}

.floating-chip span {
    color: var(--amber-2);
    margin-left: 5px
}

.chip-top {
    top: 55px;
    right: -5px;
    transform: rotate(4deg)
}

.chip-bottom {
    bottom: 45px;
    left: 0;
    transform: rotate(-5deg)
}

.chip-bottom span {
    color: var(--moss)
}

/* ============ Slogan marquee ============ */
.strip {
    border-block: 1px solid var(--line);
    background: var(--strip-bg);
    overflow: hidden;
    padding: .85rem 0;
}

.strip-track {
    display: flex;
    align-items: center;
    width: max-content;
    direction: ltr;
    will-change: transform;
    animation: stripScroll 36s linear infinite;
}

.strip-group {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    padding-inline-end: 2.2rem;
    flex: none;
}

@keyframes stripScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.strip-track span {
    flex: 0 0 auto;
    font-family: var(--mono);
    font-size: .78rem;
    color: var(--ink-2);
    white-space: nowrap;
}

.strip-track span::after {
    content: "✳";
    color: var(--amber);
    margin-left: 2.2rem;
    font-size: .7rem;
}

.strip:hover .strip-track {
    animation-play-state: paused;
}
/* ============ Sections ============ */
section {
    padding: clamp(3.2rem, 6vw, 5.5rem) 0
}

.sec-head {
    max-width: 60ch;
    margin-bottom: clamp(1.8rem, 3.5vw, 3rem)
}

.eyebrow {
    font-family: var(--mono);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .16em;
    color: var(--amber);
    text-transform: uppercase;
    display: block;
    margin-bottom: .7rem;
    direction: ltr;
    text-align: right;
}

h2 {
    font-size: clamp(1.6rem, 3.4vw, 2.35rem);
    font-weight: 900;
    line-height: 1.35;
    letter-spacing: -.01em;
    margin-bottom: .7rem
}

.sec-head p {
    color: var(--muted);
    font-size: .98rem
}

/* --- Feature cards --- */
.cards-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem
}

.feat {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.7rem 1.5rem;
    transition: transform .3s, box-shadow .3s, border-color .3s;
    position: relative;
    overflow: hidden;
}

.feat::after {
    content: "";
    position: absolute;
    inset-inline-end: -40px;
    top: -40px;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--amber-glow-soft), var(--transparent) 70%);
    opacity: 0;
    transition: opacity .4s;
}

.feat:hover {
    transform: translateY(-5px);
    box-shadow: 0 26px 40px -30px var(--card-shadow);
    border-color: var(--amber-border)
}

.feat:hover::after {
    opacity: 1
}

.feat-ico {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    margin-bottom: 1.1rem;
    background: linear-gradient(150deg, var(--amber-glow), var(--amber-icon-bg));
    border: 1px solid var(--amber-border-soft);
    color: var(--amber);
}

.feat-ico svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.8
}

.feat h3 {
    font-size: 1.06rem;
    font-weight: 700;
    margin-bottom: .45rem
}

.feat p {
    font-size: .9rem;
    color: var(--muted);
    line-height: 1.85
}

/* --- Tracks --- */
.tracks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.15rem
}

.track {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.6rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: border-color .3s, box-shadow .3s, transform .3s;
}

.track:hover {
    border-color: var(--ink);
    transform: translateY(-4px);
    box-shadow: 0 26px 40px -32px var(--card-shadow-strong)
}

.track-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem
}

.track-no {
    font-family: var(--mono);
    font-size: .75rem;
    color: var(--amber);
    font-weight: 600;
    background: var(--amber-bg-soft);
    border: 1px solid var(--amber-border-soft);
    padding: .15rem .5rem;
    border-radius: 7px;
    flex: none;
}

.track h3 {
    font-size: 1.12rem;
    font-weight: 800
}

.track h3 a {
    color: inherit;
    transition: color .2s
}

.track:hover h3 a {
    color: var(--amber)
}

.track ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .5rem
}

.track li {
    font-size: .88rem;
    color: var(--ink-2);
    display: flex;
    align-items: center;
    gap: .6rem
}

.track li::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background: var(--moss);
    flex: none;
    transform: rotate(45deg);
}

.track-foot {
    margin-top: auto;
    padding-top: .9rem;
    border-top: 1px dashed var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .82rem;
    font-weight: 700;
}

.track-foot span {
    color: var(--muted);
    font-weight: 500;
    font-family: var(--mono);
    font-size: .76rem;
    direction: ltr
}

.track-foot a {
    color: var(--amber);
    transition: gap .2s;
    display: inline-flex;
    align-items: center;
    gap: .4rem
}

.track:hover .track-foot a {
    gap: .7rem
}

/* --- Events --- */
.events {
    display: flex;
    flex-direction: column;
    gap: .9rem
}

.events-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .9rem;
    text-align: center;
    padding: 2.2rem 1.4rem;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    background: var(--card);
    color: var(--muted);
    font-size: .88rem;
}
.events-empty .btn { padding: .55rem 1.2rem; font-size: .78rem; }

.ev {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem 1.3rem;
    transition: transform .3s, border-color .3s, background .3s;
}

.ev:hover {
    transform: translateX(-6px);
    border-color: var(--amber-border-hover);
    background: var(--white)
}

.ev-date {
    flex: none;
    width: 64px;
    text-align: center;
    border-inline-end: 1px dashed var(--line);
    padding-inline-end: 1rem;
}

.ev-date b {
    display: block;
    font-family: var(--mono);
    font-size: 1.5rem;
    line-height: 1;
    color: var(--ink)
}

.ev-date span {
    font-size: .7rem;
    color: var(--muted)
}

.ev-body {
    flex: 1;
    min-width: 0
}

.ev-body h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: .2rem
}

.ev-body p {
    font-size: .8rem;
    color: var(--muted)
}

.ev-tag {
    flex: none;
    font-size: .72rem;
    font-weight: 700;
    padding: .3rem .7rem;
    border-radius: 999px;
    background: var(--moss-tag-bg);
    color: var(--moss-tag-text);
    border: 1px solid var(--moss-tag-border);
}

.ev-tag.online {
    background: var(--amber-tag-bg);
    color: var(--amber-tag-text);
    border-color: var(--amber-tag-border)
}

/* --- Stats --- */
.stats {
    background: var(--stats-bg);
    color: var(--stats-fg);
    border-radius: 26px;
    padding: clamp(2rem, 4vw, 3rem);
    position: relative;
    overflow: hidden
}

.stats::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 220px at 85% 0%, var(--amber-glow-stats), var(--transparent) 70%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative
}

.stat b {
    display: block;
    font-family: var(--mono);
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--amber-2);
    line-height: 1.1;
    letter-spacing: -.02em;
}

.stat span {
    font-size: .85rem;
    color: var(--stats-text)
}

/* --- Mentors --- */
.mentors {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem
}

.mentor {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem 1.2rem;
    text-align: center;
    transition: transform .3s, border-color .3s, box-shadow .3s;
}

.mentor:hover {
    transform: translateY(-5px);
    border-color: var(--amber-border-hover);
    box-shadow: 0 24px 36px -30px var(--card-shadow)
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto .9rem;
    display: grid;
    place-items: center;
    font-weight: 900;
    font-size: 1.25rem;
    color: var(--white);
    background: linear-gradient(150deg, var(--amber-2), var(--amber));
    box-shadow: 0 12px 22px -14px var(--avatar-shadow);
}

.mentor:nth-child(2) .avatar {
    background: linear-gradient(150deg, var(--mentor-moss-light), var(--moss))
}

.mentor:nth-child(3) .avatar {
    background: linear-gradient(150deg, var(--mentor-earth-light), var(--mentor-earth-dark))
}

.mentor:nth-child(4) .avatar {
    background: linear-gradient(150deg, var(--mentor-amber-light), var(--mentor-amber-dark))
}

.mentor h3 {
    font-size: .98rem;
    font-weight: 700
}

.mentor p {
    font-size: .78rem;
    color: var(--muted);
    margin-top: .15rem
}

/* --- FAQ --- */
.faq {
    display: flex;
    flex-direction: column;
    gap: .7rem;
    max-width: 820px
}

details {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 1rem 1.3rem;
    transition: border-color .25s, background .25s;
}

details[open] {
    border-color: var(--amber-border);
    background: var(--white)
}

summary {
    list-style: none;
    cursor: pointer;
    font-weight: 700;
    font-size: .96rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

summary::-webkit-details-marker {
    display: none
}

summary::after {
    content: "+";
    font-family: var(--mono);
    font-size: 1.2rem;
    color: var(--amber);
    transition: transform .25s;
    flex: none;
    line-height: 1;
}

details[open] summary::after {
    transform: rotate(45deg)
}

details p {
    font-size: .88rem;
    color: var(--muted);
    margin-top: .7rem;
    line-height: 1.9
}

.faq-steps {
    margin: .6rem 0 0;
    padding-inline-start: 1.3rem;
    display: flex;
    flex-direction: column;
    gap: .45rem;
    font-size: .86rem;
    color: var(--muted);
    line-height: 1.9;
}
.faq-steps li::marker { color: var(--amber); font-weight: 700; }
.faq-steps a { color: var(--amber-tag-text); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.faq-steps a:hover { color: var(--amber); }

/* --- CTA --- */
.cta {
    background: linear-gradient(160deg, var(--card), var(--cta-bg-end));
    border: 1px solid var(--cta-border);
    border-radius: 26px;
    padding: clamp(2rem, 5vw, 3.4rem);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--amber-glow), var(--transparent) 70%);
    top: -140px;
    left: -80px;
    pointer-events: none;
}

.cta h2 {
    margin-bottom: .5rem
}

.cta>p {
    color: var(--ink-2);
    font-size: .95rem;
    max-width: 52ch;
    margin: 0 auto 1.8rem
}

.join-form {
    display: flex;
    flex-direction: column;
    gap: .65rem;
    width: min(520px, 100%);
    margin: 0 auto;
}

.join-name {
    width: 100%;
    padding: .85rem 1.2rem;
    border-radius: 999px;
    border: 1.5px solid var(--line);
    background: var(--white);
    font-family: var(--sans);
    font-size: .92rem;
    color: var(--ink);
    outline: none;
    transition: border-color .25s, box-shadow .25s;
}

.join-name:focus {
    border-color: var(--amber);
    box-shadow: 0 0 0 4px var(--amber-focus-ring)
}

.join-row { display: flex; gap: .6rem; width: 100%; }

.join-net { position: relative; flex: none; width: 118px; }

.join-net-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .4rem;
    padding: .85rem .9rem;
    border-radius: 999px;
    border: 1.5px solid var(--line);
    background: var(--white);
    color: var(--ink);
    font-family: var(--sans);
    font-size: .82rem;
    font-weight: 700;
    cursor: pointer;
    outline: none;
    transition: border-color .25s, box-shadow .25s;
}

.join-net-btn svg { width: 14px; height: 14px; color: var(--muted); transition: transform .25s; }
.join-net-btn[aria-expanded="true"] { border-color: var(--amber); box-shadow: 0 0 0 4px var(--amber-focus-ring); }
.join-net-btn[aria-expanded="true"] svg { transform: rotate(180deg); }

.join-net-menu {
    position: absolute;
    top: calc(100% + .4rem);
    inset-inline: 0;
    z-index: 40;
    margin: 0;
    padding: .35rem;
    list-style: none;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--card);
    box-shadow: 0 18px 34px -20px var(--card-shadow-strong);
    animation: netMenuIn .18s ease;
}

@keyframes netMenuIn { from { opacity: 0; transform: translateY(-4px); } }

.join-net-menu li {
    padding: .55rem .8rem;
    border-radius: 9px;
    color: var(--ink-2);
    font-size: .8rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s, color .15s;
}

.join-net-menu li:hover, .join-net-menu li:focus-visible { background: var(--amber-bg-soft); color: var(--amber-tag-text); outline: none; }
.join-net-menu li[aria-selected="true"] { background: var(--amber); color: var(--white); }

.join-id {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    direction: ltr;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    overflow: hidden;
    transition: border-color .25s, box-shadow .25s;
}

.join-id:focus-within { border-color: var(--amber); box-shadow: 0 0 0 4px var(--amber-focus-ring); }

.join-prefix {
    flex: none;
    padding-left: 1.1rem;
    color: var(--muted);
    font-family: var(--mono);
    font-size: .72rem;
    direction: ltr;
    user-select: none;
}

.join-id input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: var(--transparent);
    padding: .85rem 1rem .85rem .35rem;
    font-family: var(--mono);
    font-size: .82rem;
    color: var(--ink);
    outline: none;
}

.join-form .btn { width: 100%; justify-content: center; }
.join-form .btn:disabled { opacity: .7; cursor: wait; transform: none; }

.join-success {
    width: min(520px, 100%);
    margin: .9rem auto 0;
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--moss-tag-border);
    border-radius: 16px;
    background: var(--moss-tag-bg);
    display: flex;
    flex-direction: column;
    gap: .55rem;
    text-align: right;
    animation: netMenuIn .25s ease;
}

.js-head { display: flex; align-items: center; gap: .5rem; color: var(--moss-tag-text); font-size: .95rem; }
.js-head svg { width: 20px; height: 20px; }
.js-note { color: var(--muted); font-size: .74rem; }
.js-row { display: flex; align-items: center; justify-content: space-between; gap: .8rem; font-size: .78rem; }
.js-row span { color: var(--muted); }
.js-row b { color: var(--ink); }
.js-linkrow { display: flex; align-items: center; gap: .5rem; }
.js-linkrow code {
    flex: 1;
    min-width: 0;
    padding: .5rem .8rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--white);
    color: var(--ink-2);
    font-family: var(--mono);
    font-size: .7rem;
    overflow-wrap: anywhere;
}
.js-linkrow .bar-btn { flex: none; }
.js-again { align-self: flex-start; }

@media (max-width: 620px) {
    .join-row { flex-direction: column; }
    .join-net { width: 100%; }
    .join-net-menu { inset-inline: 0; }
}

/* --- In-page alerts (replacement for the native alert) --- */
.alert-slot:empty { display: none; }
#slot-join { width: min(520px, 100%); margin-inline: auto; }

.ba-alert {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: .7rem;
    padding: .8rem .95rem;
    padding-inline-end: 2.7rem;
    margin: 0 0 .9rem;
    border: 1px solid;
    border-inline-start-width: 4px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 16px 34px -26px var(--card-shadow);
    animation: ba-in .38s cubic-bezier(.21, 1.02, .55, 1);
    transition: height .3s ease, opacity .25s ease, transform .3s ease, margin .3s ease, padding .3s ease;
}

.ba-alert.ba-out {
    opacity: 0;
    transform: translateY(-8px);
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
}

.ba-error { color: var(--auth-error); background: var(--auth-error-bg); border-color: var(--auth-error-border); }
.ba-error .ba-icon { background: var(--auth-error-ring); }
.ba-success { color: var(--moss-tag-text); background: var(--auth-success-bg); border-color: var(--moss-tag-border); }
.ba-success .ba-icon { background: var(--moss-tag-bg); }
.ba-warning { color: var(--auth-info); background: var(--auth-info-bg); border-color: var(--amber-border-soft); }
.ba-warning .ba-icon { background: var(--amber-icon-bg); }
.ba-info { color: var(--alert-info); background: var(--alert-info-bg); border-color: var(--alert-info-border); }
.ba-info .ba-icon { background: var(--alert-icon-bg); }

/* After the type rules so the side bar keeps its strong color */
.ba-alert { border-inline-start-color: currentColor; }

.ba-icon {
    flex: none;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: grid;
    place-items: center;
}
.ba-icon svg { width: 18px; height: 18px; }

.ba-body { flex: 1; min-width: 0; padding-top: .1rem; text-align: start; }
.ba-title { display: block; font-size: .82rem; font-weight: 800; margin-bottom: .1rem; }
.ba-text { margin: 0; font-size: .78rem; line-height: 1.9; color: var(--ink-2); overflow-wrap: anywhere; }

.ba-close {
    position: absolute;
    top: .5rem;
    inset-inline-end: .5rem;
    width: 26px;
    height: 26px;
    border: 0;
    border-radius: 8px;
    background: var(--transparent);
    color: inherit;
    opacity: .6;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: opacity .2s, background .2s, transform .25s;
}
.ba-close:hover { opacity: 1; background: var(--btn-ghost-hover-bg); transform: rotate(90deg); }
.ba-close svg { width: 13px; height: 13px; }

.ba-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: currentColor;
    opacity: .35;
    transform-origin: left center;
    animation: ba-run linear forwards;
}

@keyframes ba-in { from { opacity: 0; transform: translateY(-10px) scale(.97); } }
@keyframes ba-run { to { transform: scaleX(0); } }

/* Floating mode (when no slot is provided) */
#ba-stack {
    position: fixed;
    top: 76px;
    inset-inline: 0;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .6rem;
    padding-inline: 12px;
    pointer-events: none;
}
#ba-stack .ba-alert { pointer-events: auto; width: min(560px, 100%); margin: 0; }

@media (prefers-reduced-motion: reduce) {
    .ba-alert { animation: none; transition: none; }
}

/* --- Footer --- */
footer {
    border-top: 1px solid var(--line);
    padding: 3rem 0 2rem;
    margin-top: 2rem
}

.foot-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem
}

.foot-brand p {
    font-size: .86rem;
    color: var(--muted);
    margin-top: 1rem;
    max-width: 30ch
}

.foot-col h4 {
    font-size: .82rem;
    font-weight: 700;
    margin-bottom: .9rem;
    color: var(--ink)
}

.foot-col a {
    display: block;
    font-size: .84rem;
    color: var(--muted);
    padding: .28rem 0;
    transition: color .2s, transform .2s
}

.foot-col a:hover {
    color: var(--amber);
    transform: translateX(-3px)
}

.foot-bottom {
    border-top: 1px solid var(--line);
    padding-top: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: .78rem;
    color: var(--muted);
}

.foot-bottom .mono {
    font-size: .75rem
}

/* --- Community social chips: tiny logo-only links living inside the existing footer bottom row --- */
.foot-social { display: inline-flex; vertical-align: middle; margin-inline-start: .7rem; }
.social-tiles { display: inline-flex; align-items: center; gap: .6rem; }
.social-tile {
    position: relative;
    display: inline-flex;
    padding: 1px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--card);
    transition: transform .2s, border-color .2s;
}
.social-tile:hover { transform: translateY(-2px); }
.social-shad:hover { border-color: var(--social-shad-border); }
.social-rubika:hover { border-color: var(--social-rubika-border); }
.social-logo {
    flex: none;
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    border-radius: 5px;
    background: var(--white);
    border: 1px solid var(--line);
}
.social-logo img { width: 14px; height: 14px; object-fit: contain; }
.social-go {
    position: absolute;
    top: -6px;
    inset-inline-end: -6px;
    width: 13px;
    height: 13px;
    padding: 2px;
    border-radius: 50%;
    background: var(--paper);
    border: 1px solid var(--line);
    color: var(--muted);
    transition: color .2s, border-color .2s;
}
.social-shad:hover .social-go { color: var(--social-shad); border-color: var(--social-shad-border); }
.social-rubika:hover .social-go { color: var(--social-rubika); border-color: var(--social-rubika-border); }

/* Community contact email in footer columns / bottom row */
.foot-mail {
    font-family: var(--mono);
    font-size: .72rem;
    direction: ltr;
    text-align: right;
}

/* Login button while a session is active: compact chip matching the studio header chip */
.nav-account {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    min-width: 0;
    max-width: 100%;
    padding: .4rem .8rem;
    border: 1px solid var(--amber-border-soft);
    border-radius: 999px;
    background: var(--amber-bg-soft);
    color: var(--amber-tag-text);
    font-size: .7rem;
    font-weight: 700;
}
.nav-account svg { width: 14px; height: 14px; flex: none; }
.nav-account .nav-account-name { max-width: 11rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-account small { font-size: .62rem; opacity: .8; font-weight: 400; flex: none; }
.mobile-menu .nav-account { display: inline-flex; width: auto; margin-top: 1rem; border-bottom: 0; padding: .4rem .8rem; }

@media (prefers-reduced-motion: reduce) {
    .social-tile, .social-go { transition: none; }
}

/* --- Reveal --- */
[data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1)
}

[data-reveal].in {
    opacity: 1;
    transform: none
}

/* ============ Responsive ============ */
@media (max-width:980px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem
    }

    .hero-art {
        order: 2;
        min-height: 400px
    }

    .cards-3 {
        grid-template-columns: 1fr 1fr
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.8rem
    }

    .foot-grid {
        grid-template-columns: 1fr 1fr
    }
}

@media (max-width:820px) {
    .nav-links {
        display: none
    }

    .nav-cta .btn {
        display: none
    }

    .burger {
        display: flex
    }

    .tracks {
        grid-template-columns: 1fr
    }
}

@media (max-width:620px) {
    .wrap {
        width: calc(100% - 36px)
    }

    .nav-cta .nav-account { padding: .35rem .6rem; }
    .nav-cta .nav-account small { display: none; }
    .nav-cta .nav-account .nav-account-name { max-width: 24vw; }

    .cards-3 {
        grid-template-columns: 1fr
    }

    .mentors {
        grid-template-columns: 1fr
    }

    .ev {
        flex-wrap: wrap;
        gap: .8rem
    }

    .ev-date {
        border: 0;
        padding: 0;
        width: auto;
        text-align: right;
        display: flex;
        align-items: baseline;
        gap: .35rem
    }

    .ev-date b {
        font-size: 1.15rem
    }

    .ev-body {
        flex-basis: 100%
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center
    }

    .hero-art {
        min-height: 340px;
        margin-top: .5rem
    }

    .code-window {
        width: 92%;
        transform: none
    }

    .orbit-a {
        width: 90%;
        height: 260px
    }

    .orbit-b {
        width: 80%;
        height: 340px
    }

    .chip-top {
        right: 0;
        top: 25px
    }

    .chip-bottom {
        left: 0;
        bottom: 25px
    }
}

@media (prefers-reduced-motion:reduce) {
    * {
        animation: none !important;
        transition: none !important
    }

    [data-reveal] {
        opacity: 1;
        transform: none
    }
}

/* ============ Loading screen ============ */
.bytea-loader {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: grid;
    place-items: center;
    background: var(--paper);
    transition: opacity .45s ease;
}
.bytea-loader.done { opacity: 0; pointer-events: none; }
.loader-card { display: flex; flex-direction: column; align-items: center; gap: .8rem; }
.loader-steam { display: flex; gap: 6px; height: 16px; align-items: flex-end; }
.loader-steam i { width: 3px; height: 100%; border-radius: 3px; background: var(--amber-border); animation: loaderSteam 1.3s ease-in-out infinite; }
.loader-steam i:nth-child(2) { animation-delay: .2s; }
.loader-steam i:nth-child(3) { animation-delay: .4s; }
.loader-mark { width: 76px; height: 76px; padding: 6px; border-radius: 18px; animation: loaderPulse 1.6s ease-in-out infinite; }
.loader-word { font-family: var(--mono); font-weight: 600; letter-spacing: .35em; color: var(--ink-2); font-size: .8rem; }
.loader-bar { width: 170px; height: 3px; border-radius: 3px; background: var(--line); overflow: hidden; }
.loader-bar i { display: block; width: 40%; height: 100%; border-radius: 3px; background: var(--amber); animation: loaderSweep 1.2s ease-in-out infinite; }
.loader-note { color: var(--muted); font-size: .66rem; }
@keyframes loaderPulse { 0%, 100% { transform: rotate(-4deg) scale(1); } 50% { transform: rotate(3deg) scale(1.06); } }
@keyframes loaderSteam { 0%, 100% { transform: translateY(0); opacity: .35; } 50% { transform: translateY(-6px); opacity: .9; } }
@keyframes loaderSweep { 0% { transform: translateX(-110%); } 100% { transform: translateX(280%); } }
@media (prefers-reduced-motion: reduce) {
    .loader-mark, .loader-steam i, .loader-bar i { animation: none; }
}

/* ============ Bytea custom scrollbar ============ */
.bytea-scroll {
    scrollbar-width: thin;
    scrollbar-color: var(--muted) var(--paper-2);
}

.bytea-scroll::-webkit-scrollbar { width: 9px; height: 9px; }
.bytea-scroll::-webkit-scrollbar-track { background: var(--paper-2); border-radius: 8px; }
.bytea-scroll::-webkit-scrollbar-thumb {
    background: var(--muted);
    border-radius: 8px;
    border: 2px solid var(--paper-2);
}
.bytea-scroll::-webkit-scrollbar-thumb:hover { background: var(--amber); }

.dark-scroll { scrollbar-width: thin; scrollbar-color: var(--code-muted) var(--code-bg); }
.dark-scroll::-webkit-scrollbar { width: 9px; height: 9px; }
.dark-scroll::-webkit-scrollbar-track { background: var(--code-bg); }
.dark-scroll::-webkit-scrollbar-thumb { background: var(--code-muted); border-radius: 8px; border: 2px solid var(--code-bg); }
.dark-scroll::-webkit-scrollbar-thumb:hover { background: var(--amber-2); }