/* Kyllix — liquid glass */
:root {
  --bg: #04050a;
  --text: #eef2f8;
  --muted: #9aa3b5;
  --subtle: #5d6577;
  --g1: #00ffa3;
  --g2: #7b61ff;
  --g3: #ff3cac;
  --line: rgba(255, 255, 255, .10);
  --glass: linear-gradient(135deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .025));
  --glass-strong: linear-gradient(135deg, rgba(255, 255, 255, .14), rgba(255, 255, 255, .04));
  --radius: 22px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; overflow-x: hidden;
  background: var(--bg); color: var(--text);
  font: 400 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
code, kbd { font-family: var(--mono); font-size: .88em; padding: .12em .4em; border-radius: 6px;
  background: rgba(255, 255, 255, .08); border: 1px solid var(--line); }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.center { text-align: center; }
.text { color: var(--text); }
.grad { background: linear-gradient(90deg, var(--g1), var(--g2) 60%, var(--g3));
  -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- background ---------- */
.aurora { position: fixed; inset: -20vmax; z-index: -3; filter: blur(80px) saturate(140%); opacity: .55; pointer-events: none; }
.aurora span { position: absolute; width: 50vmax; height: 50vmax; border-radius: 50%; mix-blend-mode: screen; }
.aurora span:nth-child(1) { background: radial-gradient(circle, var(--g1), transparent 62%); top: 5%; left: 10%; animation: drift1 26s ease-in-out infinite alternate; }
.aurora span:nth-child(2) { background: radial-gradient(circle, var(--g2), transparent 62%); top: 20%; right: 5%; animation: drift2 32s ease-in-out infinite alternate; }
.aurora span:nth-child(3) { background: radial-gradient(circle, var(--g3), transparent 64%); bottom: 0; left: 35%; opacity: .55; animation: drift3 38s ease-in-out infinite alternate; }
.aurora span:nth-child(4) { background: radial-gradient(circle, #1fb6ff, transparent 62%); bottom: 10%; right: 25%; opacity: .5; animation: drift1 44s ease-in-out infinite alternate-reverse; }
@keyframes drift1 { to { transform: translate(18vmax, 12vmax) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-20vmax, 16vmax) scale(.9); } }
@keyframes drift3 { to { transform: translate(-12vmax, -18vmax) scale(1.2); } }
.grid-bg { position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%); }
.noise { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ---------- glass ---------- */
.glass {
  position: relative; isolation: isolate;
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  backdrop-filter: blur(22px) saturate(170%);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), inset 0 -1px 0 rgba(255, 255, 255, .03), 0 24px 70px -28px rgba(0, 0, 0, .75);
  transition: transform .5s var(--ease), border-color .3s, box-shadow .4s;
}
/* specular highlight that follows the pointer (set by app.js) */
.glass::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, -20%), rgba(255, 255, 255, .13), transparent 45%);
  opacity: 0; transition: opacity .4s;
}
.glass:hover::before { opacity: 1; }
/* refraction edge */
.glass::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(255, 255, 255, .35), rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, 0) 70%, rgba(123, 97, 255, .35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.glass-inset { background: rgba(0, 0, 0, .28); border: 1px solid var(--line); border-radius: 14px; box-shadow: inset 0 2px 10px rgba(0, 0, 0, .35); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .8rem 1.3rem; border-radius: 14px; border: 1px solid transparent; cursor: pointer;
  font: 600 .95rem/1 Inter, sans-serif; color: var(--text); white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .3s, background .3s, border-color .3s, filter .2s; }
.btn svg { width: 18px; height: 18px; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn-sm { padding: .55rem .95rem; font-size: .88rem; border-radius: 12px; }
.btn-lg { padding: 1rem 1.6rem; font-size: 1.02rem; border-radius: 16px; }
.btn-block { width: 100%; }
.btn-primary { color: #04120c; background: linear-gradient(100deg, var(--g1), #4de8ff 45%, var(--g2)); background-size: 200% 100%;
  box-shadow: 0 10px 36px -10px rgba(0, 255, 163, .55), inset 0 1px 0 rgba(255, 255, 255, .5); }
.btn-primary:hover { background-position: 100% 0; transform: translateY(-2px); box-shadow: 0 16px 44px -12px rgba(123, 97, 255, .7), inset 0 1px 0 rgba(255, 255, 255, .5); }
.btn-glass { background: var(--glass-strong); border-color: rgba(255, 255, 255, .16); backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2); }
.btn-glass:hover { border-color: rgba(255, 255, 255, .32); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); background: rgba(255, 255, 255, .06); }
.btn.disabled { opacity: .5; pointer-events: none; }
.btn-provider { width: 100%; background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); }
.btn-provider:hover { transform: translateY(-2px); background: rgba(255, 255, 255, .1); }
.btn-provider.discord { background: linear-gradient(135deg, rgba(88, 101, 242, .45), rgba(88, 101, 242, .2)); border-color: rgba(88, 101, 242, .6); }
.btn-provider.discord:hover { box-shadow: 0 12px 34px -12px rgba(88, 101, 242, .8); }
.link { color: var(--g1); font-weight: 600; }
.link:hover { text-decoration: underline; }

/* ---------- nav ---------- */
.nav-wrap { position: sticky; top: 14px; z-index: 50; padding: 0 16px; }
.nav { max-width: 1120px; margin: 14px auto 0; display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .55rem .6rem .55rem 1.1rem; border-radius: 18px; }
.nav.scrolled { background: var(--glass-strong); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 900; letter-spacing: .32em; font-size: .95rem; }
.brand-mark { width: 14px; height: 14px; transform: rotate(45deg); border-radius: 3px;
  background: linear-gradient(135deg, var(--g1), var(--g2)); box-shadow: 0 0 18px rgba(0, 255, 163, .6); }
.nav-links { display: flex; gap: 1.6rem; font-size: .92rem; color: var(--muted); }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; gap: .4rem; }

/* ---------- hero ---------- */
main { padding: 0 16px; }
.hero { max-width: 1120px; margin: 0 auto; padding: 88px 0 40px;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: .55rem; padding: .4rem .85rem; border-radius: 999px; font-size: .82rem; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--g1); box-shadow: 0 0 0 0 rgba(0, 255, 163, .6); animation: ping 2s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 10px rgba(0, 255, 163, 0); } 100% { box-shadow: 0 0 0 0 rgba(0, 255, 163, 0); } }
.hero-title { font-size: clamp(2.6rem, 5.6vw, 4.4rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 900; margin: 1.2rem 0 1rem; }
.shimmer { background: linear-gradient(90deg, var(--g1), #4de8ff, var(--g2), var(--g3), var(--g1)); background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: shimmer 8s linear infinite; }
@keyframes shimmer { to { background-position: 300% 0; } }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 34rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.8rem 0 .9rem; }

/* terminal mock */
.terminal { padding: 0; overflow: hidden; border-radius: 20px; transform-style: preserve-3d; }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .03); }
.tl { width: 11px; height: 11px; border-radius: 50%; }
.tl.r { background: #ff5f57; } .tl.y { background: #febc2e; } .tl.g { background: #28c840; }
.term-title { margin-left: 10px; font-size: .78rem; color: var(--subtle); font-family: var(--mono); }
.term-body { padding: 18px 20px 22px; font-size: .78rem; line-height: 1.75; color: #d6dceb; min-height: 360px; background: rgba(2, 3, 8, .45); }
.term-logo { margin: 0 0 12px; font-size: .5rem; line-height: 1.15; background: linear-gradient(90deg, var(--g1), var(--g2));
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: logoIn 1s var(--ease) both; }
@keyframes logoIn { from { opacity: 0; filter: blur(8px); letter-spacing: .3em; } }
.t-line { opacity: 0; transform: translateY(4px); animation: lineIn .45s var(--ease) forwards; animation-delay: var(--d); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@keyframes lineIn { to { opacity: 1; transform: none; } }
.t-gap { margin-top: 12px; }
.t-code { padding: 6px 10px; margin: 6px 0; border-radius: 8px; background: rgba(255, 255, 255, .05); border: 1px solid var(--line); }
.term-body code { font-size: inherit; padding: 0 .3em; }
.ok { color: var(--g1); } .dim { color: #3b4252; } .prompt { color: var(--g1); margin-right: .4rem; }
.model { color: var(--g2); } .kw { color: var(--g3); } .fn { color: #4de8ff; }
.caret { display: inline-block; width: 8px; height: 15px; vertical-align: -3px; background: var(--g1); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.logos { max-width: 1120px; margin: 30px auto 0; text-align: center; }
.logo-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.2rem; margin-top: .7rem;
  font-weight: 700; font-size: 1.15rem; color: #c9cfdc; letter-spacing: -.01em; }
.logo-row .sep { color: var(--g2); font-size: .7rem; align-self: center; }

/* ---------- sections ---------- */
.section { max-width: 1120px; margin: 0 auto; padding: 110px 0 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -.03em; margin: .6rem 0; font-weight: 800; }
.eyebrow { font: 600 .78rem var(--mono); text-transform: uppercase; letter-spacing: .2em; color: var(--g1); }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 26px; }
.card h3 { margin: .7rem 0 .4rem; font-size: 1.12rem; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.icon { width: 46px; height: 46px; display: grid; place-items: center; font-size: 1.3rem; border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 255, 163, .18), rgba(123, 97, 255, .18)); border: 1px solid rgba(255, 255, 255, .14); }
.tag { font: 600 .66rem var(--mono); text-transform: uppercase; letter-spacing: .1em; padding: .2rem .45rem; border-radius: 6px;
  background: rgba(123, 97, 255, .25); color: #c8bdff; vertical-align: middle; }
.card:hover, .model:hover, .step:hover { transform: translateY(-4px); border-color: rgba(255, 255, 255, .22); }

.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.model { padding: 24px; }
.model-top { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.model-id { font-size: 1.05rem; font-weight: 600; }
.model p { color: var(--muted); margin: .7rem 0 1.1rem; }
.model-meta { display: flex; flex-wrap: wrap; gap: .4rem; }
.model-meta span { font-size: .76rem; padding: .25rem .55rem; border-radius: 8px; background: rgba(255, 255, 255, .06); border: 1px solid var(--line); color: var(--muted); }
.status { font: 600 .7rem var(--mono); padding: .25rem .55rem; border-radius: 999px; background: rgba(255, 255, 255, .07); color: var(--muted); white-space: nowrap; }
.status.on { background: rgba(0, 255, 163, .14); color: var(--g1); box-shadow: 0 0 18px -4px rgba(0, 255, 163, .6); }

.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.price { padding: 30px 26px; display: flex; flex-direction: column; }
.price h3 { margin: 0; font-size: 1.1rem; color: var(--muted); font-weight: 600; }
.amount { margin: .6rem 0 1.2rem; display: flex; align-items: baseline; gap: .4rem; }
.amount .num { font-size: 3.2rem; font-weight: 900; letter-spacing: -.04em; }
.amount .cur { color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 0 0 1.6rem; flex: 1; }
.checks li { padding: .45rem 0 .45rem 1.7rem; position: relative; color: #cfd5e2; font-size: .93rem; border-bottom: 1px solid rgba(255, 255, 255, .05); }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--g1); font-weight: 700; }
.price.featured { background: var(--glass-strong); border-color: rgba(0, 255, 163, .35); transform: scale(1.03);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 30px 80px -30px rgba(0, 255, 163, .45); }
.price.featured:hover { transform: scale(1.03) translateY(-4px); }
.badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); padding: .3rem .8rem; border-radius: 999px;
  font: 700 .72rem Inter; color: #04120c; background: linear-gradient(90deg, var(--g1), #4de8ff); white-space: nowrap; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { padding: 26px; }
.step h3 { margin: .9rem 0 .3rem; }
.step p { color: var(--muted); margin: 0 0 1rem; font-size: .95rem; }
.step-n { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; font-weight: 800;
  background: linear-gradient(135deg, var(--g1), var(--g2)); color: #04120c; }
.code { display: flex; align-items: center; justify-content: space-between; gap: .6rem; padding: .7rem .8rem .7rem 1rem; font-size: .86rem; overflow-x: auto; }
.code span::before { content: "❯ "; color: var(--g1); }
.copy { flex: none; font: 600 .72rem var(--mono); color: var(--muted); background: rgba(255, 255, 255, .07); border: 1px solid var(--line);
  border-radius: 8px; padding: .35rem .6rem; cursor: pointer; transition: all .2s; }
.copy:hover { color: var(--text); border-color: rgba(255, 255, 255, .3); }
.copy.done { color: var(--g1); border-color: rgba(0, 255, 163, .5); }

.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
details { padding: 0; border-radius: 16px; }
summary { list-style: none; cursor: pointer; padding: 1.1rem 1.3rem; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.3rem; color: var(--g1); transition: transform .3s var(--ease); }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0; padding: 0 1.3rem 1.2rem; color: var(--muted); }

.cta { padding-bottom: 40px; }
.cta-card { text-align: center; padding: 56px 24px; background: var(--glass-strong); }
.cta-card h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin: 0 0 .5rem; letter-spacing: -.03em; }
.cta-card .hero-cta { justify-content: center; margin-bottom: 0; }

/* ---------- auth ---------- */
.auth { min-height: calc(100vh - 220px); display: grid; place-items: center; padding: 60px 0; }
.auth-card { width: 100%; max-width: 430px; padding: 38px 32px; }
.auth-card h1 { margin: 0 0 .3rem; font-size: 1.8rem; letter-spacing: -.03em; }
.auth-card > .muted { margin: 0 0 1.6rem; }
.providers { display: grid; gap: 10px; margin-bottom: 4px; }
.divider { display: flex; align-items: center; gap: 1rem; color: var(--subtle); font-size: .8rem; margin: 1.3rem 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.form { display: grid; gap: 14px; margin-bottom: 1rem; }
.form label { display: grid; gap: 6px; font-size: .84rem; color: var(--muted); font-weight: 500; }
input { width: 100%; padding: .85rem 1rem; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(0, 0, 0, .3); color: var(--text); font: 500 .98rem Inter, sans-serif; outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s; }
input:focus { border-color: var(--g1); box-shadow: 0 0 0 4px rgba(0, 255, 163, .14); background: rgba(0, 0, 0, .4); }
.code-input { text-align: center; font-size: 1.6rem; letter-spacing: .3em; text-transform: uppercase; font-weight: 600; }
.alert { padding: .8rem 1rem; border-radius: 12px; font-size: .9rem; margin-bottom: 1rem; }
.alert-error { background: rgba(255, 92, 122, .12); border: 1px solid rgba(255, 92, 122, .4); color: #ff9db0; }
.alert-ok { background: rgba(0, 255, 163, .1); border: 1px solid rgba(0, 255, 163, .4); color: var(--g1); }
.success-mark { width: 72px; height: 72px; margin: 0 auto 1rem; border-radius: 50%; display: grid; place-items: center; font-size: 2rem;
  color: #04120c; background: linear-gradient(135deg, var(--g1), var(--g2)); box-shadow: 0 0 50px rgba(0, 255, 163, .5); animation: pop .6s var(--ease); }
@keyframes pop { from { transform: scale(.4); opacity: 0; } }
.auth-card:has(.success-mark) { text-align: center; }

/* ---------- dashboard ---------- */
.dash { max-width: 1120px; margin: 0 auto; padding: 60px 0 20px; }
.dash-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; margin-bottom: 24px; }
.dash-head h1 { margin: .3rem 0 0; font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -.03em; }
.dash-head p { margin: .2rem 0 0; }
.dash-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.span-2 { grid-column: span 2; } .span-3 { grid-column: span 3; }
.label { font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .16em; color: var(--subtle); }
.card-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.plan-name { font-size: 2.4rem; font-weight: 900; letter-spacing: -.03em; background: linear-gradient(90deg, var(--g1), var(--g2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.ring { --p: 0; width: 110px; height: 110px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--g1), var(--g2) calc(var(--p) * 1%), rgba(255, 255, 255, .08) 0);
  -webkit-mask: radial-gradient(circle, transparent 0 0, #000 0); position: relative; }
.ring::before { content: ""; position: absolute; inset: 9px; border-radius: 50%; background: rgba(8, 10, 18, .92); }
.ring span { position: relative; text-align: center; line-height: 1.1; }
.ring b { display: block; font-size: 1.3rem; } .ring small { color: var(--muted); font-size: .72rem; }
.meter { height: 10px; border-radius: 999px; background: rgba(255, 255, 255, .07); overflow: hidden; margin: 1.2rem 0 .8rem; border: 1px solid var(--line); }
.meter-fill { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--g1), var(--g2));
  box-shadow: 0 0 20px rgba(0, 255, 163, .6); transition: width 1.4s var(--ease); }
.dash .card h3 { margin: .4rem 0 .3rem; }
.dash .card .btn, .dash .card .code, .dash .card .form { margin-top: 1rem; }
.model-list { display: grid; gap: 8px; margin-top: 1rem; }
.model-row { display: grid; grid-template-columns: 200px 1fr auto; align-items: center; gap: 1rem; padding: .8rem 1rem;
  border-radius: 12px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line); }
.model-row.locked { opacity: .55; }

/* ---------- footer ---------- */
.footer { margin-top: 110px; border-top: 1px solid var(--line); background: rgba(0, 0, 0, .25); backdrop-filter: blur(10px); }
.footer-inner { max-width: 1120px; margin: 0 auto; padding: 34px 16px; display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; }
.footer p { margin: 0; }

/* ---------- motion ---------- */
.reveal { opacity: 0; transform: translateY(26px) scale(.985); filter: blur(6px);
  transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease); transition-delay: var(--delay, 0s); }
.reveal.in { opacity: 1; transform: none; filter: none; }
.tilt { transition: transform .25s ease-out; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .t-line { opacity: 1; transform: none; filter: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 56px; }
  .features, .models, .pricing, .steps { grid-template-columns: 1fr 1fr; }
  .dash-grid { grid-template-columns: 1fr 1fr; }
  .span-3 { grid-column: span 2; }
  .price.featured { transform: none; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .features, .models, .pricing, .steps, .dash-grid { grid-template-columns: 1fr; }
  .span-2, .span-3 { grid-column: auto; }
  .section { padding-top: 80px; }
  .term-body { font-size: .7rem; min-height: 0; }
  .term-logo { font-size: .36rem; }
  .model-row { grid-template-columns: 1fr auto; }
  .model-row .muted { display: none; }
  .auth-card { padding: 30px 22px; }
  .nav { padding-left: .9rem; }
  .brand-text { letter-spacing: .22em; }
}