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

:root {
  color-scheme: dark;
  --bg: #0f1117;
  --bg2: #12151f;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --hint: #475569;
  --card: #1a1d27;
  --card-2: #12151f;
  --border: #2d3148;
  --border-2: #374151;
  --title: #f1f5f9;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-dim: rgba(99,102,241,.12);
  --success: #059669;
  --error-bg: #3b0a0a;
  --error-border: #7f1d1d;
  --error-text: #fca5a5;
  --code: #94a3b8;
  --code-strong: #a5b4fc;
  --chip-bg: #1e2235;
  --green: #22c55e;
  --green-dim: rgba(34,197,94,.15);
  --orange: #f59e0b;
  --blue: #3b82f6;
  --red: #ef4444;
  --radius: 12px;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f8fafc;
    --bg2: #f1f5f9;
    --text: #0f172a;
    --muted: #334155;
    --muted-2: #475569;
    --hint: #64748b;
    --card: #ffffff;
    --card-2: #f1f5f9;
    --border: #e2e8f0;
    --border-2: #cbd5e1;
    --title: #0f172a;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-dim: rgba(79,70,229,.08);
    --success: #047857;
    --error-bg: #fff1f2;
    --error-border: #fecdd3;
    --error-text: #9f1239;
    --code: #0f172a;
    --code-strong: #3730a3;
    --chip-bg: #e2e8f0;
    --green: #16a34a;
    --green-dim: rgba(22,163,74,.1);
    --orange: #d97706;
    --blue: #2563eb;
    --red: #dc2626;
  }
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1117; --bg2: #12151f; --text: #e2e8f0; --muted: #94a3b8; --muted-2: #64748b;
  --hint: #475569; --card: #1a1d27; --card-2: #12151f; --border: #2d3148; --border-2: #374151;
  --title: #f1f5f9; --accent: #6366f1; --accent-hover: #4f46e5; --accent-dim: rgba(99,102,241,.12);
  --success: #059669; --error-bg: #3b0a0a; --error-border: #7f1d1d; --error-text: #fca5a5;
  --code: #94a3b8; --code-strong: #a5b4fc; --chip-bg: #1e2235;
  --green: #22c55e; --green-dim: rgba(34,197,94,.15); --orange: #f59e0b; --blue: #3b82f6; --red: #ef4444;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f8fafc; --bg2: #f1f5f9; --text: #0f172a; --muted: #334155; --muted-2: #475569;
  --hint: #64748b; --card: #ffffff; --card-2: #f1f5f9; --border: #e2e8f0; --border-2: #cbd5e1;
  --title: #0f172a; --accent: #4f46e5; --accent-hover: #4338ca; --accent-dim: rgba(79,70,229,.08);
  --success: #047857; --error-bg: #fff1f2; --error-border: #fecdd3; --error-text: #9f1239;
  --code: #0f172a; --code-strong: #3730a3; --chip-bg: #e2e8f0;
  --green: #16a34a; --green-dim: rgba(22,163,74,.1); --orange: #d97706; --blue: #2563eb; --red: #dc2626;
}

/* ── Base ── */
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Layout helpers ── */
.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-label { font-size: 12px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.section-title { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; letter-spacing: -.02em; color: var(--title); margin-bottom: 10px; }
.section-desc { color: var(--muted); max-width: 580px; margin-bottom: 36px; font-size: 15px; }

/* ── Fade-in on scroll ── */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg); border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 900px; margin: 0 auto; padding: 0 24px; height: 60px; gap: 16px;
  position: relative;
}
.navbar-hamburger {
  display: none;
  background: none; border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 10px; cursor: pointer; color: var(--text);
  font-size: 18px; line-height: 1; flex-shrink: 0;
}
.navbar-hamburger:hover { background: var(--card-2); }
.navbar-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.navbar-logo-icon {
  width: 32px; height: 32px; border-radius: 8px; overflow: hidden;
  background: var(--card-2); border: 1px solid var(--border); display: grid; place-items: center;
}
.navbar-logo-icon img { width: 100%; height: 100%; object-fit: contain; }
.navbar-logo-text { font-size: 15px; font-weight: 700; color: var(--title); }
.navbar-logo-sub { font-size: 11px; color: var(--muted-2); }
.navbar-controls { display: flex; gap: 8px; align-items: center; }
.navbar-select {
  background: var(--card-2); border: 1px solid var(--border); color: var(--text);
  padding: 5px 8px; border-radius: 8px; font-size: 12px; outline: none; cursor: pointer;
}
.navbar-select:focus { border-color: var(--accent); }
.navbar-cta {
  padding: 7px 16px; background: var(--accent); color: #fff; border: none;
  border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer;
  text-decoration: none; transition: background .15s; white-space: nowrap;
}
.navbar-cta:hover { background: var(--accent-hover); }
.navbar-cta-gpt {
  background: #10a37f; display: inline-flex; align-items: center; gap: 5px;
}
.navbar-cta-gpt:hover { background: #0d8f6f; }

/* ── Hero ── */
.hero {
  min-height: 92vh; display: flex; align-items: center; justify-content: center;
  text-align: center; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-dim), transparent 70%);
  top: -80px; right: -80px; pointer-events: none;
}
.hero::after {
  content: ''; position: absolute;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(59,130,246,.06), transparent 70%);
  bottom: -40px; left: -40px; pointer-events: none;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800;
  letter-spacing: -.03em; line-height: 1.1; color: var(--title); margin-bottom: 14px;
}
.hero h1 .grad {
  background: linear-gradient(135deg, var(--accent), var(--blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { font-size: clamp(.95rem, 2vw, 1.15rem); color: var(--muted); max-width: 560px; margin: 0 auto 36px; }
.hero-cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; background: var(--accent); color: #fff; font-size: 15px;
  font-weight: 600; border: none; border-radius: 10px; cursor: pointer;
  text-decoration: none; transition: background .15s, transform .15s;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; background: transparent; color: var(--text); font-size: 15px;
  font-weight: 500; border: 1px solid var(--border); border-radius: 10px;
  cursor: pointer; text-decoration: none; transition: border-color .15s, color .15s;
}
.btn-secondary:hover { border-color: var(--muted-2); color: var(--title); }
.btn-gpt {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; background: #10a37f; color: #fff; font-size: 15px;
  font-weight: 600; border: none; border-radius: 10px; cursor: pointer;
  text-decoration: none; transition: background .15s, transform .15s;
}
.btn-gpt:hover { background: #0d8f6f; transform: translateY(-1px); }
.btn-gpt svg { flex-shrink: 0; }
.hero-stats {
  display: flex; justify-content: center; margin-top: 10px;
}
.hero-stat {
  text-align: center; padding: 26px 36px;
  border: 1px solid var(--border); border-radius: 18px;
  background: var(--card); max-width: 520px; width: 100%;
  box-shadow: 0 12px 26px rgba(0,0,0,0.08);
}
.hero-stat .num {
  font-size: clamp(2.2rem, 4vw, 2.8rem); font-weight: 800; color: var(--accent);
  letter-spacing: -.03em; line-height: 1;
}
.hero-stat .lbl { font-size: 12px; color: var(--muted-2); margin-top: 8px; text-transform: uppercase; letter-spacing: .08em; }
.hero-stat .note { font-size: 13px; color: var(--hint); margin-top: 6px; }

/* ── Problem cards ── */
.problem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap: 14px; }
.problem-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; transition: border-color .2s;
}
.problem-card:hover { border-color: var(--accent); }
.problem-card .icon { font-size: 22px; margin-bottom: 8px; }
.problem-card h3 { font-size: 14px; font-weight: 600; color: var(--title); margin-bottom: 4px; }
.problem-card p { font-size: 13px; color: var(--muted); }

/* ── Tools grid ── */
.tools-grid { display: grid; gap: 10px; }
.tool-row {
  display: grid; grid-template-columns: 150px 1fr; gap: 14px;
  padding: 12px 16px; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; align-items: center; transition: border-color .2s;
}
.tool-row:hover { border-color: var(--accent); }
.tool-name { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 13px; font-weight: 500; color: var(--code-strong); }
.tool-desc { font-size: 13px; color: var(--muted); }

/* ── Live demo steps ── */
.demo-step { margin-bottom: 28px; }
.step-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.step-num {
  width: 30px; height: 30px; background: var(--accent); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; flex-shrink: 0;
}
.step-title { font-size: 15px; font-weight: 600; color: var(--title); }
.step-tool {
  font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; color: var(--accent);
  margin-left: auto; background: var(--chip-bg); padding: 2px 10px;
  border: 1px solid var(--border); border-radius: 6px;
}
.terminal {
  background: var(--card-2); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden; margin-bottom: 10px;
}
.terminal-bar {
  display: flex; align-items: center; gap: 5px; padding: 9px 14px;
  background: var(--card); border-bottom: 1px solid var(--border);
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot.r { background: #ff5f57; } .terminal-dot.y { background: #febc2e; } .terminal-dot.g { background: #28c840; }
.terminal-lbl { margin-left: 8px; font-size: 11px; color: var(--hint); font-family: 'SF Mono','Fira Code',monospace; }
.terminal-body {
  padding: 14px 16px; font-family: 'SF Mono','Fira Code',monospace; font-size: 12px;
  line-height: 1.7; overflow-x: auto; white-space: pre-wrap; word-break: break-word; color: var(--code);
}
.t-prompt { color: var(--green); }
.t-key { color: var(--blue); }
.t-str { color: var(--orange); }
.t-cmt { color: var(--hint); }
.response-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 18px; font-size: 13px; line-height: 1.7;
}
.response-box strong { color: var(--title); }
.resp-tag {
  display: inline-block; padding: 1px 8px; background: var(--accent);
  color: #fff; border-radius: 4px; font-size: 10px; font-weight: 600;
  margin-right: 6px; vertical-align: middle; letter-spacing: .04em;
}
.resp-tag.green { background: var(--success); }
.response-box.success { border-color: var(--success); }
.check { color: var(--green); font-size: 13px; }

/* ── Use cases ── */
.usecase {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; margin-bottom: 16px;
  transition: border-color .2s;
}
.usecase:hover { border-color: var(--accent); }
.usecase-num { font-size: 11px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 3px; }
.usecase h3 { font-size: 17px; font-weight: 700; color: var(--title); margin-bottom: 4px; }
.usecase .persona { font-size: 12px; color: var(--hint); margin-bottom: 10px; }
.usecase p { font-size: 14px; color: var(--muted); }
.usecase .quote {
  margin-top: 12px; padding: 10px 14px;
  background: var(--bg2); border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0; font-size: 13px; font-style: italic; color: var(--muted);
}
.sequence { display: flex; flex-direction: column; gap: 6px; margin: 14px 0; }
.seq-row {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  background: var(--card-2); border-radius: 7px;
  font-size: 12px; font-family: 'SF Mono','Fira Code',monospace;
}
.seq-from { color: var(--blue); min-width: 70px; font-weight: 500; }
.seq-arrow { color: var(--hint); }
.seq-to { color: var(--code-strong); min-width: 70px; font-weight: 500; }
.seq-msg { color: var(--muted); }

/* ── Comparison table ── */
.compare-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 20px; }
.compare-table th {
  text-align: left; padding: 10px 14px;
  background: var(--card); border: 1px solid var(--border);
  font-weight: 600; color: var(--title); font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
}
.compare-table td { padding: 10px 14px; border: 1px solid var(--border); color: var(--muted); }
.compare-table tr:hover td { background: var(--card); }
.compare-table .without { color: var(--red); }
.compare-table .with { color: var(--green); }

/* ── Vision cards ── */
.vision-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 14px; }
.vision-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; position: relative; overflow: hidden;
}
.vision-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
}
.vision-card h3 { font-size: 14px; font-weight: 600; color: var(--title); margin-bottom: 6px; }
.vision-card p { font-size: 13px; color: var(--muted); }
.faq-list { display: grid; gap: 16px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--title);
  margin-bottom: 8px;
}
.faq-item p { font-size: 14px; color: var(--muted); }

/* ── Get Started (auth card) ── */
.get-started-section { padding: 80px 0; }
.get-started-inner {
  max-width: 760px; margin: 0 auto; padding: 0 24px;
}
.auth-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px;
  box-shadow: 0 20px 60px rgba(0,0,0,.18);
}

/* ── Auth card internals ── */
.section-title-sm {
  font-size: 13px; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px;
}
#signin-view p.blurb { color: var(--muted); font-size: 15px; line-height: 1.6; margin-bottom: 28px; }
.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 14px 20px; background: #fff; color: #1a1a2e;
  border: 2px solid var(--accent); border-radius: 10px; font-size: 15px; font-weight: 700;
  cursor: pointer; text-decoration: none; transition: background .15s, transform .15s, box-shadow .15s;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
}
.btn-google:hover {
  background: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}
.btn-google:active { transform: translateY(0); }
.btn-google svg { flex-shrink: 0; }
.btn-toggle-email {
  background: none; border: none; color: var(--muted);
  font-size: 13px; font-weight: 500; cursor: pointer;
  text-decoration: underline; transition: color .15s;
  padding: 6px 12px;
}
.btn-toggle-email:hover { color: var(--text); }
.signup-wrapper {
  margin-top: 14px; text-align: center; font-size: 13px; color: var(--muted);
}
.signup-link {
  color: var(--accent); font-weight: 600; text-decoration: none; transition: color .15s;
}
.signup-link:hover { color: var(--accent-hover); text-decoration: underline; }
.or-separator {
  display: flex; align-items: center; justify-content: center;
  margin: 20px 0; color: var(--muted-2); font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.or-separator::before, .or-separator::after {
  content: ""; flex: 1; border-bottom: 1px solid var(--border); margin: 0 10px;
}
.email-login-form {
  display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px;
}
.form-group { position: relative; }
.form-control {
  width: 100%; padding: 13px 16px; background: var(--card-2);
  border: 1px solid var(--border); border-radius: 10px; font-size: 14px;
  color: var(--text); outline: none; transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.15);
}
.btn-submit {
  width: 100%; padding: 13px 20px; background: var(--accent); color: #fff;
  border: none; border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: background .15s, transform .15s;
}
.btn-submit:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-submit:active { transform: translateY(0); }
#token-view { display: none; }
.user-badge {
  display: flex; align-items: center; gap: 8px; margin-bottom: 24px;
  padding: 10px 14px; background: var(--card-2); border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; color: var(--muted);
}
.user-badge strong { color: var(--text); }
.token-box {
  display: flex; align-items: center; gap: 8px; background: var(--card-2);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 8px;
}
.token-value {
  flex: 1; font-family: 'SF Mono','Fira Code',monospace; font-size: 14px;
  color: var(--code-strong); word-break: break-all; user-select: all;
}
.btn-copy {
  flex-shrink: 0; padding: 6px 14px; background: var(--accent); color: #fff;
  border: none; border-radius: 6px; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: background .15s;
}
.btn-copy:hover { background: var(--accent-hover); }
.btn-copy.copied { background: var(--success); }
.token-hint { font-size: 12px; color: var(--hint); margin-bottom: 28px; }
.btn-regenerate {
  background: none; border: 1px solid var(--border-2); color: var(--muted-2);
  padding: 6px 12px; border-radius: 6px; font-size: 12px; cursor: pointer;
  transition: color .15s, border-color .15s;
}
.btn-regenerate:hover { color: var(--text); border-color: var(--muted); }
.divider { border: none; border-top: 1px solid var(--border); margin: 28px 0; }
.config-block {
  background: var(--card-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; margin-bottom: 8px; position: relative;
}
.config-block pre {
  font-family: 'SF Mono','Fira Code',monospace; font-size: 12px; color: var(--code);
  white-space: pre; overflow-x: auto;
}
.btn-copy-config {
  position: absolute; top: 10px; right: 10px; padding: 4px 10px;
  background: var(--chip-bg); border: 1px solid var(--border);
  color: var(--muted-2); border-radius: 5px; font-size: 11px; cursor: pointer; transition: color .15s;
}
.btn-copy-config:hover { color: var(--text); }
.config-hint { font-size: 12px; color: var(--hint); }
.client-tabs { display: flex; gap: 4px; margin-bottom: 10px; }
.client-tab {
  padding: 5px 14px; border-radius: 6px; font-size: 12px; font-weight: 600;
  cursor: pointer; border: 1px solid var(--border); background: transparent;
  color: var(--muted-2); transition: background .15s, color .15s, border-color .15s;
}
.client-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.client-tab:hover:not(.active) { color: var(--text); border-color: var(--muted-2); }
.examples { margin-top: 18px; display: grid; grid-template-columns: 1fr; gap: 10px; }
.examples ul { padding-left: 18px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.examples li { margin: 6px 0; }
.pill {
  display: inline-block; font-family: 'SF Mono','Fira Code',monospace; font-size: 12px;
  padding: 1px 7px; border-radius: 999px; background: var(--chip-bg);
  border: 1px solid var(--border); color: var(--text); vertical-align: middle;
}
.small-note { font-size: 12px; color: var(--hint); line-height: 1.55; }
code {
  font-family: 'SF Mono','Fira Code',monospace; font-size: 12px; padding: 1px 6px;
  border-radius: 6px; background: var(--chip-bg); border: 1px solid var(--border); color: var(--text);
}
#error-banner {
  display: none; padding: 12px 16px; background: var(--error-bg);
  border: 1px solid var(--error-border); border-radius: 8px;
  color: var(--error-text); font-size: 13px; margin-bottom: 20px;
}

/* ── Footer ── */
.site-footer {
  padding: 36px 0; text-align: center; color: var(--hint); font-size: 12px;
  border-top: 1px solid var(--border);
}
.site-footer a { color: var(--muted); text-decoration: none; border-bottom: 1px solid transparent; }
.site-footer a:hover { border-bottom-color: var(--border); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .navbar-logo-sub { display: none; }
  .hero h1 { font-size: 2rem; }
  .tool-row { grid-template-columns: 1fr; gap: 2px; }
  .step-tool { display: none; }
  .auth-card { padding: 28px; }
  .compare-table th, .compare-table td { padding: 8px 10px; font-size: 12px; }
  .seq-msg { display: none; }
  /* Hamburger menu */
  .navbar-hamburger { display: flex; align-items: center; }
  .navbar-controls {
    display: none;
    position: absolute; top: 60px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: stretch;
    padding: 12px 16px 16px; gap: 8px; z-index: 99;
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
  }
  .navbar-controls.open { display: flex; }
  .navbar-controls .navbar-select { width: 100%; padding: 8px 10px; font-size: 14px; }
  .navbar-controls .navbar-cta { text-align: center; padding: 10px 16px; font-size: 14px; }
  .navbar-cta-gpt #t-nav-gpt { display: inline; }
  .navbar-cta-gpt { justify-content: center; }
}

/* ── Scroll progress bar ── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #818cf8);
  z-index: 9999;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

/* ── Side dot navigation ── */
#side-nav {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.side-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 0;
}
.side-nav-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
}
.side-nav-item:hover .side-nav-label,
.side-nav-item.active .side-nav-label {
  opacity: 1;
  transform: translateX(0);
}
.side-nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-2);
  border: 2px solid var(--border-2);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}
.side-nav-item:hover .side-nav-dot {
  background: var(--muted);
  border-color: var(--muted);
  transform: scale(1.25);
}
.side-nav-item.active .side-nav-dot {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.35);
}
@media (max-width: 900px) {
  #side-nav { display: none; }
}