/* HeyTobor — shared site styles */

/* Self-hosted fonts (latin + latin-ext subsets of Google Fonts variable files). Chinese text uses system fonts. */
/* Fraunces latin-ext */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url(/assets/fonts/fraunces-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Fraunces latin */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url(/assets/fonts/fraunces-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Inter latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(/assets/fonts/inter-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Inter latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(/assets/fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* JetBrains Mono latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url(/assets/fonts/jetbrains-mono-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* JetBrains Mono latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url(/assets/fonts/jetbrains-mono-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #faf8f3;
  --bg-alt: #f2eee5;
  --surface: #ffffff;
  --ink: #1c2530;
  --ink-2: #4a5563;
  --ink-3: #7b8592;
  --line: #e4ded2;
  --accent: #e8590c;
  --accent-ink: #b8430a;
  --accent-soft: #fff0e6;
  --live: #ffb703;
  --ok: #2b8a3e;
  --warn: #c92a2a;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(28, 37, 48, .06), 0 8px 24px rgba(28, 37, 48, .06);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-display: "Fraunces", Georgia, "Songti SC", "Noto Serif SC", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --wrap: 1120px;
  --prose: 720px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161b; --bg-alt: #181d23; --surface: #1c2229; --ink: #ecebe6; --ink-2: #b4bcc6; --ink-3: #87909b;
    --line: #2c343d; --accent: #ff7a2f; --accent-ink: #ff9a5c; --accent-soft: #2a1d14; --ok: #51cf66; --warn: #ff6b6b;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12161b; --bg-alt: #181d23; --surface: #1c2229; --ink: #ecebe6; --ink-2: #b4bcc6; --ink-3: #87909b;
  --line: #2c343d; --accent: #ff7a2f; --accent-ink: #ff9a5c; --accent-soft: #2a1d14; --ok: #51cf66; --warn: #ff6b6b;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.7 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg, video { max-width: 100%; display: block; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -.01em; margin: 0 0 .5em; font-weight: 650; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); margin-top: 0; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
code, kbd { font-family: var(--font-mono); font-size: .88em; background: var(--bg-alt); padding: .1em .4em; border-radius: 5px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 18px; height: 74px; }
.logo { display: flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font: 700 1.5rem/1 var(--font-display); letter-spacing: -.015em; }
.logo:hover { color: var(--ink); }
.logo-img { width: 42px; height: 42px; border-radius: 12px; flex: none; box-shadow: 0 1px 2px rgba(28, 37, 48, .14), 0 6px 16px rgba(28, 37, 48, .16); transition: transform .25s ease; }
.logo:hover .logo-img { transform: rotate(-7deg) scale(1.06); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .logo-img { box-shadow: 0 0 0 1px rgba(255, 255, 255, .1), 0 6px 16px rgba(0, 0, 0, .35); } }
:root[data-theme="dark"] .logo-img { box-shadow: 0 0 0 1px rgba(255, 255, 255, .1), 0 6px 16px rgba(0, 0, 0, .35); }
.logo-word > span { color: var(--ink-2); font-weight: 600; }
.logo-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--ink); color: var(--bg); display: grid; place-items: center; font: 800 15px/1 var(--font); }
.logo-tag { color: var(--ink-3); font-size: .86rem; line-height: 1.25; padding-left: 18px; border-left: 1px solid var(--line); white-space: nowrap; }
@media (max-width: 920px) { .logo-tag { display: none; } }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.site-nav a { color: var(--ink-2); text-decoration: none; font-size: .97rem; font-weight: 550; padding: 8px 13px; border-radius: 10px; }
.site-nav a:hover { background: var(--bg-alt); color: var(--ink); }
.site-nav .lang { border: 1px solid var(--line); }
.site-nav .nav-cta { background: var(--accent); color: #fff; font-weight: 650; border-radius: 999px; padding: 8px 16px; }
.site-nav .nav-cta:hover { background: var(--accent-ink); color: #fff; }
@media (max-width: 560px) {
  .site-header .wrap { height: 64px; gap: 10px; }
  .logo { font-size: 1.22rem; gap: 9px; }
  .logo-img { width: 34px; height: 34px; border-radius: 10px; }
  .site-nav { gap: 2px; }
  .site-nav a { padding: 7px 9px; font-size: .92rem; }
  .site-nav .nav-cta { padding: 7px 12px; }
  .site-nav .hide-sm { display: none; }
}
@media (max-width: 400px) { .site-nav a[href$="#projects"] { display: none; } }

/* footer */
.site-footer { margin-top: 96px; border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--ink-3); font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; }
.site-footer a { color: var(--ink-2); }
.site-footer .spacer { flex: 1; }
.site-footer .logo { font-size: 1.15rem; }
.site-footer .logo-img { width: 30px; height: 30px; border-radius: 9px; box-shadow: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; font: 600 .95rem/1 var(--font); padding: 12px 18px; border-radius: 999px; border: 1px solid var(--ink); background: var(--ink); color: var(--bg); cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); background: var(--surface); color: var(--ink); }

.eyebrow { font: 700 .75rem/1.2 var(--font); letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 12px; }
.muted { color: var(--ink-3); }

/* home */
.home-hero { padding: 72px 0 40px; }
.home-hero h1 { max-width: 15ch; }
.home-hero .lede { font-size: 1.2rem; color: var(--ink-2); max-width: 46ch; }
.loop { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 40px 0 0; padding: 0; list-style: none; counter-reset: loop; }
.loop li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; counter-increment: loop; }
.loop li::before { content: "0" counter(loop); font: 700 .78rem var(--font-mono); color: var(--accent-ink); display: block; margin-bottom: 8px; }
.loop b { display: block; font-size: 1.05rem; margin-bottom: 2px; }
.loop span { color: var(--ink-3); font-size: .92rem; line-height: 1.5; display: block; }
@media (max-width: 760px) { .loop { grid-template-columns: repeat(2, 1fr); } }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: 72px 0 20px; }
.section-head h2 { margin: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; color: var(--ink); text-decoration: none; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); color: var(--ink); }
.card-media { aspect-ratio: 16 / 9; background: #10202b; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.3rem; }
.card-body p { margin: 0; color: var(--ink-2); font-size: .97rem; line-height: 1.55; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 10px; }
.chip { font: 600 .74rem/1 var(--font); padding: 6px 9px; border-radius: 999px; background: var(--bg-alt); color: var(--ink-2); }
.chip.hot { background: var(--accent-soft); color: var(--accent-ink); }
.card.soon { border-style: dashed; background: transparent; justify-content: center; align-items: center; text-align: center; padding: 32px; color: var(--ink-3); min-height: 220px; }
.card.soon:hover { transform: none; box-shadow: none; }
.about { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: start; }
@media (max-width: 760px) { .about { grid-template-columns: 1fr; gap: 8px; } }

/* ask form */
.ask-box { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
@media (max-width: 560px) { .ask-box { padding: 18px 16px; } }
.ask-box > h2, .ask-box > h3 { margin-bottom: .3em; }
.ask-box > p { color: var(--ink-2); }
.ask-form { display: grid; gap: 14px; }
.ask-form label { display: block; font-weight: 600; font-size: .93rem; margin-bottom: 6px; }
.ask-form label .muted { font-weight: 400; }
.ask-form textarea, .ask-form input { width: 100%; font: 400 1rem/1.5 var(--font); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.ask-form textarea { resize: vertical; min-height: 110px; }
.ask-form textarea:focus, .ask-form input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.ask-row { display: grid; grid-template-columns: 1fr 1.6fr; gap: 14px; }
@media (max-width: 640px) { .ask-row { grid-template-columns: 1fr; } }
.ask-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.ask-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.ask-actions .btn:disabled { opacity: .6; cursor: wait; }
.ask-msg { color: var(--ink-3); font-size: .92rem; }
.ask-msg.err { color: var(--warn); }
.ask-msg:empty { display: none; }
.ask-done { display: grid; gap: 6px; justify-items: start; padding: 6px 0; }
.ask-done b { font-size: 1.15rem; color: var(--ok); }
.ask-done span { color: var(--ink-2); }
.ask-done .btn { margin-top: 8px; }