/* Code GPT website - white paper, emerald ink, one gold accent. */
:root {
  --paper: #ffffff; --mist: #f4f8f6; --mint: #dcf5e9; --line: #e3ebe7; --line2: #cfdcd5;
  --ink: #1d2622; --soft: #55625c; --green: #0f9d68; --green-d: #0b7a51; --emerald: #06281e; --emerald2: #0b3a2c;
  --gold: #ffc94d; --gold-d: #f2b322;
  --display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --body: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  --wrap: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--green-d); }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.02em; line-height: 1.08; margin: 0 0 .6rem; color: var(--ink); }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); font-weight: 800; letter-spacing: -.035em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); }
h3 { font-size: 1.2rem; letter-spacing: -.01em; }
p { margin: 0 0 1rem; }
.ms { font-family: 'Material Symbols Rounded'; font-weight: normal; font-style: normal; font-size: 22px; line-height: 1; display: inline-block;
  white-space: nowrap; direction: ltr; -webkit-font-feature-settings: 'liga'; font-feature-settings: 'liga'; vertical-align: middle;
  width: 1em; overflow: hidden; flex: 0 0 auto; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 0; } .skip:focus { left: 12px; top: 12px; z-index: 999; background: var(--paper); padding: .5rem 1rem; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.lead { font-size: 1.22rem; line-height: 1.55; color: var(--soft); max-width: 40em; }
.lead.light { color: #b9d6c9; }
.muted { color: var(--soft); } .note { color: var(--soft); font-size: .92rem; margin-top: 1.5rem; } .center { justify-content: center; text-align: center; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 1rem var(--body); text-decoration: none;
  border-radius: 12px; padding: .72rem 1.25rem; border: 1.5px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, transform .15s; }
.btn-lg { padding: .95rem 1.6rem; font-size: 1.05rem; border-radius: 14px; }
.btn-dark { background: var(--ink); color: #fff; } .btn-dark:hover { background: #000; }
.btn-green { background: var(--green); color: #fff; } .btn-green:hover { background: var(--green-d); }
.btn-gold { background: var(--gold); color: var(--emerald); } .btn-gold:hover { background: var(--gold-d); }
.btn-line { border-color: var(--line2); color: var(--ink); background: var(--paper); } .btn-line:hover { border-color: var(--ink); }
.btn-ghost-light { border-color: rgba(255, 255, 255, .35); color: #fff; } .btn-ghost-light:hover { border-color: #fff; }
.btn:active { transform: translateY(1px); }
.text-link { font-weight: 600; text-decoration-thickness: 2px; text-underline-offset: 4px; }

/* navigation + mega menu */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav-in { max-width: var(--wrap); margin: 0 auto; padding: .7rem 28px; display: flex; align-items: center; gap: 1.6rem; }
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font: 700 1.35rem var(--display); letter-spacing: -.02em; }
.mega { display: flex; gap: .2rem; }
.mega-item { position: relative; }
.mega-btn { display: flex; align-items: center; gap: 2px; background: none; border: none; font: 500 .98rem var(--body); color: var(--ink); padding: .55rem .75rem; border-radius: 10px; cursor: pointer; }
.mega-btn .ms { font-size: 20px; color: var(--soft); transition: transform .2s; }
.mega-btn:hover, .mega-item.open .mega-btn { background: var(--mist); }
.mega-item.open .mega-btn .ms { transform: rotate(180deg); }
.mega-panel { position: absolute; top: calc(100% + 10px); left: -12px; display: none; gap: 14px; background: var(--paper); border: 1px solid var(--line);
  border-radius: 20px; padding: 12px; box-shadow: 0 24px 60px -20px rgba(6, 40, 30, .28); width: max-content; max-width: 760px; }
.mega-item.open .mega-panel { display: flex; }
.mega-grid { display: grid; grid-template-columns: repeat(2, minmax(220px, 1fr)); gap: 2px; }
.mega-link { display: flex; gap: 12px; align-items: flex-start; padding: .7rem .8rem; border-radius: 12px; text-decoration: none; color: var(--ink); }
.mega-link:hover { background: var(--mist); }
.mega-link > .ms { color: var(--green); margin-top: 2px; }
.mega-link b { display: block; font-weight: 600; font-size: .96rem; } .mega-link small { display: block; color: var(--soft); font-size: .85rem; line-height: 1.4; }
.mega-feature { width: 230px; display: flex; flex-direction: column; gap: .4rem; text-decoration: none; color: #e4f4ec; background: var(--emerald);
  border-radius: 14px; padding: 1.1rem; font-size: .9rem; line-height: 1.45; }
.mega-feature b { font: 700 1.3rem var(--display); color: #fff; }
.mf-tag { align-self: flex-start; background: var(--gold); color: var(--emerald); font-weight: 700; font-size: .75rem; border-radius: 6px; padding: .1rem .45rem; }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: .8rem; }
.nav-login { color: var(--ink); text-decoration: none; font-weight: 500; }
.nav-burger { display: none; background: none; border: 1px solid var(--line2); border-radius: 10px; width: 42px; height: 42px; align-items: center; justify-content: center; cursor: pointer; color: var(--ink); }
.drawer { border-top: 1px solid var(--line); padding: .6rem 20px 1.2rem; max-height: calc(100vh - 64px); overflow-y: auto; background: var(--paper); }
.drawer-group summary { list-style: none; display: flex; justify-content: space-between; align-items: center; font: 600 1.1rem var(--display); padding: .8rem 0; cursor: pointer; border-bottom: 1px solid var(--line); }
.drawer-group summary::-webkit-details-marker { display: none; }
.drawer-group[open] summary .ms { transform: rotate(180deg); }
.drawer-group a { display: flex; align-items: center; gap: 12px; padding: .65rem .2rem; text-decoration: none; color: var(--ink); }
.drawer-group a .ms { color: var(--green); }
.drawer-cta { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin-top: 1.2rem; }

/* hero */
.hero { padding: 4.5rem 0 4rem; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: auto -10% -40% 40%; height: 80%; background: radial-gradient(closest-side, var(--mint), transparent); z-index: -1; }
.hero-grid { display: grid; grid-template-columns: 1.02fr 1fr; gap: 3.5rem; align-items: center; }
.hero-pill { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); background: var(--mist); border: 1px solid var(--line);
  border-radius: 999px; padding: .38rem .95rem .38rem .7rem; font-size: .92rem; font-weight: 500; margin-bottom: 1.4rem; }
.hero-pill .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--mint); }
.hero-pill.dark { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .16); color: #dff3ea; }
.hero-pill.dark .dot { background: var(--gold); box-shadow: 0 0 0 4px rgba(255, 201, 77, .25); }
.hero h1 { max-width: 11ch; }
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.8rem; }
.hero-note { display: flex; align-items: center; gap: 8px; color: var(--soft); font-size: .95rem; margin-top: 1.4rem; }
.hero-note .ms { color: var(--green); }

/* hero demo */
.demo { background: var(--emerald); border-radius: 26px; box-shadow: 0 40px 90px -40px rgba(6, 40, 30, .6); overflow: hidden; color: #e4f4ec; }
.demo-bar { display: flex; align-items: center; gap: 7px; padding: .75rem 1rem; background: var(--emerald2); font: 500 .8rem var(--mono); color: #8fb8a6; }
.demo-bar i { width: 11px; height: 11px; border-radius: 50%; background: #1f5a46; } .demo-bar span { margin-left: .5rem; }
.demo-body { display: grid; grid-template-columns: 1fr 1fr; min-height: 380px; }
.demo-chat { padding: 1.1rem; display: flex; flex-direction: column; gap: .7rem; font-size: .9rem; border-right: 1px solid rgba(255, 255, 255, .08); }
.demo-user { align-self: flex-end; background: #155a43; border-radius: 14px 14px 4px 14px; padding: .6rem .8rem; max-width: 92%; min-height: 2.6em; }
.demo-user:empty { visibility: hidden; }
.demo-ai { color: #cfe7dc; line-height: 1.5; }
.demo-files { display: flex; flex-direction: column; gap: .4rem; }
.demo-file { display: flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); border-radius: 10px;
  padding: .42rem .65rem; font: 500 .8rem var(--mono); opacity: 0; transform: translateY(6px); transition: opacity .35s, transform .35s; }
.demo-file.show { opacity: 1; transform: none; }
.demo-file .ms { font-size: 18px; color: var(--gold); }
.demo-file em { margin-left: auto; font-style: normal; color: #7fd4a9; }
.demo-preview { margin: 1rem; background: #fffaf2; color: #3b2a1a; border-radius: 14px; overflow: hidden; opacity: .12; filter: blur(2px); transition: opacity .8s, filter .8s; font-size: .82rem; }
.demo-preview.show { opacity: 1; filter: none; }
.pv-nav { display: flex; gap: .8rem; align-items: center; padding: .6rem .8rem; border-bottom: 1px solid #f0e3cf; }
.pv-nav b { margin-right: auto; font-family: var(--display); font-size: .95rem; color: #8a4b12; }
.pv-hero { padding: 1.2rem .9rem; background: linear-gradient(160deg, #ffe9c7, #fff6e8); }
.pv-hero h4 { font: 700 1.25rem/1.15 var(--display); margin: 0 0 .3rem; color: #5a2f0a; }
.pv-hero p { margin: 0 0 .7rem; color: #7a5a3a; }
.pv-btn { display: inline-block; background: #b4590f; color: #fff; border-radius: 8px; padding: .35rem .7rem; font-weight: 600; }
.pv-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: .45rem; padding: .8rem; }
.pv-cards span { background: #fff; border: 1px solid #f0e3cf; border-radius: 8px; padding: .9rem .3rem .4rem; text-align: center; font-weight: 600; color: #6b3d12; }
.caret::after { content: "|"; animation: blink 1s steps(1) infinite; margin-left: 1px; color: var(--gold); }
@keyframes blink { 50% { opacity: 0; } }

/* bands */
.band { padding: 5.5rem 0; } .band.tight { padding: 2rem 0 4rem; } .band.soft { background: var(--mist); }
.section-head { max-width: 680px; margin-bottom: 2.6rem; } .section-head p { color: var(--soft); font-size: 1.12rem; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 3.5rem; }
.feature { display: flex; gap: 1.1rem; padding: 1.5rem 0; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.feature > .ms { font-size: 28px; color: var(--green); background: var(--mint); border-radius: 12px; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; }
.feature h3 { margin-bottom: .25rem; } .feature p { color: var(--soft); margin: 0; font-size: 1rem; }
a.feature:hover h3 { color: var(--green-d); }

.codex-band { background: var(--emerald); color: #e4f4ec; padding: 6rem 0; }
.codex-band h2 { color: #fff; max-width: 14ch; }
.codex-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.steps { list-style: none; counter-reset: s; padding: 0; margin: 2rem 0 2.2rem; }
.steps li { counter-increment: s; position: relative; padding: 0 0 1.3rem 3.2rem; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: -2px; width: 2.1rem; height: 2.1rem; border-radius: 50%; background: rgba(255, 201, 77, .14);
  color: var(--gold); font: 700 1rem/2.1rem var(--display); text-align: center; }
.steps li b { display: block; color: #fff; font-size: 1.08rem; } .steps li span { color: #a9c9bb; }
.light-steps li::before { background: var(--mint); color: var(--green-d); } .light-steps li b { color: var(--ink); } .light-steps li span { color: var(--soft); }
.light-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 3rem; }
.changes-card { background: #0f3a2c; border: 1px solid rgba(255, 255, 255, .08); border-radius: 22px; overflow: hidden; font-size: .9rem; }
.cc-head { display: flex; gap: 1rem; align-items: center; padding: .9rem 1.1rem; background: rgba(0, 0, 0, .18); }
.cc-head b { margin-right: auto; color: #fff; } .cc-head span { border: 1px solid rgba(255, 255, 255, .2); border-radius: 8px; padding: .15rem .55rem; font-size: .8rem; }
.cc-row { display: flex; align-items: center; gap: .8rem; padding: .6rem 1.1rem; border-top: 1px solid rgba(255, 255, 255, .06); }
.cc-row em { font-style: normal; font-size: .72rem; font-weight: 700; border-radius: 5px; padding: .08rem .4rem; }
.cc-row em.c { background: rgba(127, 212, 169, .16); color: #7fd4a9; } .cc-row em.u { background: rgba(255, 201, 77, .14); color: var(--gold); }
.cc-row code { flex: 1; font: .82rem var(--mono); color: #dff3ea; } .cc-row i { font: normal .78rem var(--mono); } .cc-row .a { color: #7fd4a9; } .cc-row .r { color: #f3a6a6; }
.cc-code { margin: 0; padding: 1.1rem; background: #08241b; font: .82rem/1.65 var(--mono); color: #cfe7dc; overflow-x: auto; }
.cc-code .k, .cs-code .k { color: var(--gold); } .cc-code .s { color: #7fd4a9; }

.audiences { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.aud { text-decoration: none; color: var(--ink); border-top: 3px solid var(--ink); padding-top: 1.2rem; }
.aud h3 { display: flex; align-items: center; gap: 8px; font-size: 1.45rem; } .aud h3 .ms { color: var(--green); font-size: 26px; }
.aud p { color: var(--soft); } .aud .more { font-weight: 600; color: var(--green-d); border-bottom: 2px solid var(--mint); }
.aud:hover .more { border-color: var(--green); }

.lang-band { background: var(--mist); }
.lang-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items: center; }
.lang-bubbles { display: flex; flex-direction: column; gap: .8rem; }
.lb { align-self: flex-start; background: var(--paper); border: 1px solid var(--line); border-radius: 18px 18px 18px 6px; padding: .8rem 1.1rem; font-size: 1.1rem; box-shadow: 0 8px 24px -16px rgba(6, 40, 30, .3); }
.lb:nth-child(even) { align-self: flex-end; border-radius: 18px 18px 6px 18px; background: var(--emerald); color: #e4f4ec; border-color: var(--emerald); }
.lb.ur { font-family: 'Noto Nastaliq Urdu', 'Jameel Noori Nastaleeq', serif; font-size: 1.25rem; }

.trust-grid, .split { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.split { padding: 2.5rem 0; border-top: 1px solid var(--line); } .split:first-child { border-top: none; padding-top: 0; }
.checks { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .9rem; }
.checks li { display: flex; gap: .8rem; align-items: flex-start; } .checks li .ms { color: var(--green); margin-top: 1px; }
.checks.small { gap: .55rem; font-size: .96rem; }

.faq-wrap { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 1.15rem 2.5rem 1.15rem 0; font: 600 1.12rem var(--display); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .3rem; top: .9rem; font: 400 1.6rem var(--body); color: var(--green); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--soft); padding-right: 2rem; }

.final-cta { background: var(--emerald); color: #e4f4ec; padding: 5.5rem 0; text-align: center; }
.final-cta h2 { color: #fff; font-size: clamp(2.2rem, 4.6vw, 3.6rem); } .final-cta p { color: #a9c9bb; font-size: 1.15rem; }

/* inner pages */
.page-hero { padding: 5rem 0 2.5rem; }
.page-hero h1 { font-size: clamp(2.3rem, 5vw, 3.8rem); max-width: 16ch; }
.ph-icon { display: inline-flex; width: 58px; height: 58px; border-radius: 16px; background: var(--mint); color: var(--green-d); align-items: center; justify-content: center; margin-bottom: 1.2rem; }
.ph-icon .ms { font-size: 30px; }
.codex-hero { background: var(--emerald); color: #e4f4ec; padding: 5rem 0 0; overflow: hidden; }
.codex-hero h1 { color: #fff; font-size: clamp(3rem, 8vw, 6.5rem); letter-spacing: -.045em; }
.codex-shot { display: grid; grid-template-columns: 1.15fr .6fr 1.4fr; margin-top: 3.5rem; background: #0c3226; border: 1px solid rgba(255, 255, 255, .1);
  border-bottom: none; border-radius: 22px 22px 0 0; min-height: 300px; font-size: .86rem; }
.cs-col { padding: 1.1rem; border-right: 1px solid rgba(255, 255, 255, .07); display: flex; flex-direction: column; gap: .55rem; }
.cs-col > b { color: #8fb8a6; font-weight: 600; font-size: .8rem; }
.cs-u { align-self: flex-end; background: #155a43; border-radius: 12px; padding: .5rem .7rem; margin: 0; }
.cs-a { margin: 0; color: #cfe7dc; }
.cs-chip { background: rgba(255, 255, 255, .06); border-radius: 8px; padding: .35rem .6rem; font-size: .8rem; } .cs-chip b { color: #fff; font-family: var(--mono); font-weight: 500; }
.cs-files span { font: .8rem var(--mono); padding: .3rem .5rem; border-radius: 6px; } .cs-files span.on { background: rgba(255, 201, 77, .12); color: var(--gold); }
.cs-code { border-right: none; } .cs-code pre { margin: 0; font: .82rem/1.7 var(--mono); color: #cfe7dc; white-space: pre-wrap; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; align-items: stretch; }
.plan { border: 1.5px solid var(--line); border-radius: 22px; padding: 1.8rem; display: flex; flex-direction: column; gap: .6rem; position: relative; }
.plan.featured { border-color: var(--emerald); box-shadow: 0 30px 60px -36px rgba(6, 40, 30, .5); }
.plan .btn { margin: .6rem 0 1rem; }
.plan h3 { font-size: 1.4rem; } .price { font: 800 2.6rem var(--display); letter-spacing: -.03em; margin: 0; } .price small { font: 500 1rem var(--body); color: var(--soft); }
.plan-flag { position: absolute; top: -13px; left: 1.8rem; background: var(--gold); color: var(--emerald); font-weight: 700; font-size: .8rem; border-radius: 8px; padding: .2rem .6rem; }
.channels { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.channel { display: flex; flex-direction: column; gap: .2rem; padding: 1.3rem; border: 1.5px solid var(--line); border-radius: 18px; text-decoration: none; color: var(--ink); }
.channel .ms { color: var(--green); font-size: 28px; margin-bottom: .4rem; } .channel span { color: var(--soft); font-size: .95rem; overflow-wrap: anywhere; }
a.channel:hover { border-color: var(--green); } .channel.soon { background: var(--mist); border-style: dashed; }
.support-grid, .contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3.5rem; align-items: start; }
.contact-band { padding-top: 4.5rem; } .contact-grid h1 { font-size: clamp(2.2rem, 4.4vw, 3.4rem); }
.contact-grid .checks { margin: 1.8rem 0; }
.contact-direct p { display: flex; gap: 1rem; margin: 0; padding: .7rem 0; border-top: 1px solid var(--line); } .contact-direct b { width: 6.5rem; flex: 0 0 auto; }
.form-card { background: var(--mist); border-radius: 24px; padding: 2rem; }
.site-form { display: flex; flex-direction: column; gap: 1rem; }
.site-form label { display: flex; flex-direction: column; gap: .35rem; font-weight: 600; font-size: .95rem; }
.site-form input, .site-form select, .site-form textarea { font: 400 1rem var(--body); color: var(--ink); background: var(--paper); border: 1.5px solid var(--line2); border-radius: 12px; padding: .75rem .9rem; width: 100%; }
.site-form input:focus, .site-form select:focus, .site-form textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 4px var(--mint); }
.site-form .btn { align-self: flex-start; }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.hp { position: absolute; left: -9999px; }
.form-err { background: #fdecea; border: 1px solid #f5c2bd; border-radius: 12px; padding: .7rem 1rem; color: #8c1d13; }
.form-note { font-size: .85rem; color: var(--soft); margin: 0; }
.form-done { text-align: center; padding: 2rem 1rem; } .form-done .ms { font-size: 48px; width: auto; color: var(--green); }
.founders { display: flex; flex-direction: column; gap: .8rem; }
.founder { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.2rem; border: 1.5px solid var(--line); border-radius: 18px; }
.founder .av { width: 52px; height: 52px; border-radius: 50%; background: var(--emerald); color: var(--gold); display: flex; align-items: center; justify-content: center; font: 700 1.05rem var(--display); }
.founder b { display: block; font-size: 1.1rem; } .founder small { color: var(--soft); }
.prose-site { max-width: 780px; } .prose-site h2 { font-size: 1.6rem; margin-top: 2.2rem; } .prose-site li { margin: .45rem 0; color: #33403a; }
.timeline article { display: grid; grid-template-columns: 200px 1fr; gap: 2rem; padding: 2rem 0; border-top: 1px solid var(--line); }
.timeline time { font: 600 1rem var(--display); color: var(--green-d); } .timeline h2 { font-size: 1.6rem; } .timeline li { margin: .4rem 0; }

/* footer */
.foot { background: #f7faf8; border-top: 1px solid var(--line); padding: 4rem 0 0; }
.foot-in { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 2rem; }
.foot-brand p { color: var(--soft); margin: 1rem 0 1.2rem; max-width: 30ch; font-size: .95rem; }
.foot-col h3 { font: 600 .95rem var(--body); letter-spacing: 0; margin-bottom: .8rem; }
.foot-col a { display: block; color: var(--soft); text-decoration: none; padding: .25rem 0; font-size: .95rem; } .foot-col a:hover { color: var(--ink); }
.foot-base { max-width: var(--wrap); margin: 3rem auto 0; padding: 1.4rem 28px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: var(--soft); font-size: .88rem; }
.foot-links { display: flex; gap: 1.2rem; flex-wrap: wrap; } .foot-links a { color: var(--soft); }

/* support button */
.help-fab { position: fixed; right: 22px; bottom: 22px; z-index: 60; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.help-btn { width: 60px; height: 60px; border-radius: 50%; border: none; background: var(--green); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 30px -10px rgba(11, 122, 81, .7); transition: transform .15s; }
.help-btn:hover { transform: scale(1.05); } .help-btn .ms { font-size: 28px; }
.help-btn .ic-close { display: none; } .help-fab.open .help-btn .ic-open { display: none; } .help-fab.open .help-btn .ic-close { display: inline-block; }
.help-panel { width: min(360px, calc(100vw - 32px)); background: var(--paper); border-radius: 22px; overflow: hidden; box-shadow: 0 30px 70px -20px rgba(6, 40, 30, .45); border: 1px solid var(--line); }
.help-head { background: var(--emerald); color: #cfe7dc; padding: 1.3rem 1.3rem 1.1rem; position: relative; font-size: .9rem; }
.help-head b { display: block; color: #fff; font: 700 1.3rem var(--display); margin-bottom: .2rem; }
.help-x { position: absolute; top: 10px; right: 10px; background: rgba(255, 255, 255, .1); border: none; color: #fff; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.help-body { padding: .6rem; display: flex; flex-direction: column; gap: 2px; }
.help-row, .help-soon { display: flex; align-items: center; gap: 12px; padding: .75rem .8rem; border-radius: 14px; text-decoration: none; color: var(--ink); }
.help-row:hover { background: var(--mist); }
.help-row > .ms, .help-row svg, .help-soon > .ms { color: var(--green); }
.help-row.wa svg { color: #1faa53; }
.help-row b, .help-soon b { display: block; font-size: .96rem; } .help-row small, .help-soon small { color: var(--soft); font-size: .84rem; }
.help-soon { background: var(--mist); border: 1px dashed var(--line2); margin-bottom: .2rem; }
.help-soon small { color: var(--green-d); font-weight: 600; }

/* responsive */
@media (max-width: 1080px) {
  .mega, .nav-login { display: none; } .nav-burger { display: inline-flex; }
  .nav-cta .btn { padding: .6rem 1rem; }
  .hero-grid, .codex-grid, .lang-grid, .trust-grid, .split, .support-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero h1 { max-width: 14ch; }
  .foot-in { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap, .nav-in { padding-left: 18px; padding-right: 18px; }
  .hero { padding: 2.5rem 0 3rem; } .band { padding: 3.8rem 0; } .codex-band, .final-cta { padding: 4rem 0; }
  .feature-list, .light-steps, .audiences, .plans, .f2 { grid-template-columns: 1fr; }
  .audiences { gap: 2rem; }
  .demo-body { grid-template-columns: 1fr; } .demo-chat { border-right: none; } .demo-preview { margin-top: 0; }
  .codex-shot { grid-template-columns: 1fr; } .cs-files, .cs-code { display: none; }
  .timeline article { grid-template-columns: 1fr; gap: .5rem; }
  .nav-cta .btn-dark { display: none; }
  .help-fab { right: 14px; bottom: 14px; } .help-btn { width: 54px; height: 54px; }
  .form-card { padding: 1.3rem; }
}