/* ============================================================
   6 SEVEN LABS — Website
   Self-contained design tokens (copied from the design system
   so this folder uploads to cPanel as a standalone site).
   ============================================================ */
@import url("https://fonts.googleapis.com/css2?family=Archivo+Black&family=Archivo:wght@400;500;600;700;800;900&family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&display=swap");

:root {
  --brand-purple:        #8B2DF0;
  --brand-purple-bright: #A855F7;
  --brand-purple-deep:   #6B21D9;
  --brand-ink:           #0A0A0B;

  --purple-50:  #F6EDFE;
  --purple-100: #ECDCFD;
  --purple-200: #D6B6FB;
  --purple-400: #A357F4;
  --purple-500: #8B2DF0;

  --ink-50:  #F7F7F8;
  --ink-100: #EFEFF1;
  --ink-200: #E2E2E6;
  --ink-300: #C8C9CF;
  --ink-400: #9A9BA4;
  --ink-500: #6B6D78;
  --ink-700: #2F313A;
  --ink-800: #1A1B22;
  --ink-900: #0A0A0B;

  --bg: #FFFFFF;
  --bg-subtle: var(--ink-50);
  --fg: var(--ink-900);
  --fg-2: var(--ink-700);
  --fg-3: var(--ink-500);
  --fg-4: var(--ink-400);
  --border: var(--ink-200);
  --border-strong: var(--ink-300);

  --success: #10B981;

  --font-display: "Archivo Black", "Archivo", system-ui, sans-serif;
  --font-sans:    "Geist", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono:    "Geist Mono", "JetBrains Mono", ui-monospace, monospace;

  --text-xs: 0.75rem; --text-sm: 0.875rem; --text-base: 1rem; --text-lg: 1.125rem;
  --text-xl: 1.25rem; --text-2xl: 1.5rem; --text-3xl: 1.875rem; --text-4xl: 2.25rem;

  --tracking-caps: 0.08em;

  --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-5: 1.25rem;
  --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px;
  --radius-2xl: 24px; --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(10,10,11,0.05), 0 1px 3px 0 rgba(10,10,11,0.04);
  --shadow-md: 0 2px 4px -1px rgba(10,10,11,0.06), 0 4px 8px -2px rgba(10,10,11,0.05);
  --shadow-lg: 0 8px 16px -4px rgba(10,10,11,0.08), 0 4px 6px -2px rgba(10,10,11,0.04);
  --shadow-xl: 0 16px 32px -8px rgba(10,10,11,0.12), 0 4px 8px -4px rgba(10,10,11,0.05);
  --shadow-focus: 0 0 0 3px rgba(139,45,240,0.25);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms; --dur-base: 180ms;

  --container: 1200px;
}

/* ---------------- base ---------------- */
* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font-sans); background: var(--bg); color: var(--fg);
  font-size: 16px; line-height: 1.5;
}
img { display: block; max-width: 100%; }
a { color: var(--brand-purple); text-decoration: none; }
::selection { background: var(--brand-purple); color: #fff; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-8); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--text-xs); font-weight: 600; letter-spacing: var(--tracking-caps);
  text-transform: uppercase; color: var(--brand-purple);
}
.section-head { max-width: 760px; }
.section-head h2 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(34px, 5vw, 60px); line-height: 1; letter-spacing: -0.03em;
  text-transform: uppercase; color: var(--brand-ink); margin: var(--space-3) 0 var(--space-4);
}
.section-head p { font-size: var(--text-xl); color: var(--fg-2); margin: 0; line-height: 1.45; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 600; font-size: var(--text-sm);
  padding: 11px 20px; border-radius: var(--radius-md); border: none; cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out); white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--brand-purple); color: #fff; }
.btn-primary:hover { background: var(--brand-purple-deep); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-dark { background: var(--brand-ink); color: #fff; }
.btn-dark:hover { background: #000; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--border-strong); background: var(--ink-50); }
.btn-lg { font-size: var(--text-base); padding: 15px 28px; }
.btn-white { background: #fff; color: var(--brand-ink); }
.btn-white:hover { background: var(--ink-100); transform: translateY(-1px); }

/* ---------------- nav ---------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--space-8);
  height: 76px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-8);
}
.brand { display: flex; align-items: center; }
.brand img { height: 42px; width: auto; }
.nav-links { display: flex; gap: var(--space-6); align-items: center; }
.nav-links a { color: var(--fg-2); font-size: var(--text-sm); font-weight: 500; transition: color var(--dur-fast) var(--ease-out); }
.nav-links a:hover { color: var(--fg); }
.nav-right { display: flex; align-items: center; gap: var(--space-3); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--fg); margin: 4px 0; transition: 0.2s; }

/* ---------------- hero ---------------- */
.hero { position: relative; overflow: hidden; padding: clamp(56px, 9vw, 104px) 0 clamp(64px, 9vw, 112px); }
.hero-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--space-8);
  display: grid; grid-template-columns: 1.08fr 0.92fr; gap: var(--space-16); align-items: center;
}
.hero-h {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(48px, 7.4vw, 96px); line-height: 0.92; letter-spacing: -0.035em;
  text-transform: uppercase; color: var(--brand-ink);
  margin: var(--space-5) 0 var(--space-6);
}
.hero-h .accent { color: var(--brand-purple); }
.hero-lead { font-size: clamp(17px, 2.2vw, 21px); line-height: 1.5; color: var(--fg-2); max-width: 520px; margin: 0; }
.hero-cta { display: flex; gap: var(--space-3); margin-top: var(--space-8); flex-wrap: wrap; }
.hero-meta { margin-top: var(--space-6); display: flex; gap: var(--space-5); align-items: center; flex-wrap: wrap; font-size: var(--text-sm); color: var(--fg-3); font-weight: 500; }
.hero-meta .m { display: inline-flex; align-items: center; gap: 7px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); display: inline-block; }
.pulse { animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.3; } }

/* hero agent card */
.agent-card {
  background: var(--brand-ink); color: #fff; border-radius: var(--radius-2xl);
  padding: 24px; box-shadow: 0 28px 64px -22px rgba(10,10,11,0.32); position: relative; overflow: hidden;
}
.agent-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 80% at 80% 0%, rgba(139,45,240,0.22), transparent 60%);
}
.agent-h { display: flex; align-items: center; gap: 14px; position: relative; z-index: 1; }
.agent-ring {
  position: relative; width: 50px; height: 50px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-400), var(--brand-purple));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 20px; color: #fff; flex-shrink: 0;
}
.agent-ring::before {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid var(--brand-purple); opacity: 0.6; animation: ring 1.9s ease-out infinite;
}
@keyframes ring { 0% { transform: scale(0.85); opacity: 0.6; } 100% { transform: scale(1.35); opacity: 0; } }
.agent-name { font-size: var(--text-sm); font-weight: 600; color: #fff; }
.agent-sub { font-size: var(--text-xs); color: var(--ink-400); }
.agent-dur { margin-left: auto; font-family: var(--font-mono); font-size: var(--text-base); color: #fff; font-weight: 500; }
.agent-wave { display: flex; gap: 3px; align-items: center; justify-content: center; height: 44px; margin: 20px 0; position: relative; z-index: 1; }
.agent-bar { width: 3px; background: var(--brand-purple-bright); border-radius: 2px; animation: bar 0.9s ease-in-out infinite alternate; }
@keyframes bar { from { transform: scaleY(0.3); } to { transform: scaleY(1); } }
.agent-transcript {
  background: rgba(255,255,255,0.05); border-radius: var(--radius-md); padding: 13px 15px;
  display: flex; flex-direction: column; gap: 9px; font-size: var(--text-xs); line-height: 1.5; position: relative; z-index: 1;
}
.t-who { display: inline-block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-400); margin-right: 8px; }
.t-us .t-who { color: var(--brand-purple-bright); }
.t-line { color: #fff; }
.agent-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 15px; position: relative; z-index: 1; }
.chip { font-family: var(--font-mono); font-size: 10px; padding: 4px 9px; border-radius: var(--radius-sm); background: rgba(139,45,240,0.2); color: var(--brand-purple-bright); }

/* ---------------- marquee / trust ---------------- */
.trust { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-subtle); padding: var(--space-8) 0; }
.trust-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; }
.trust-item { display: flex; flex-direction: column; }
.trust-n { font-family: var(--font-display); font-weight: 900; font-size: var(--text-3xl); letter-spacing: -0.02em; color: var(--brand-ink); line-height: 1; }
.trust-l { font-size: var(--text-xs); color: var(--fg-3); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }

/* ---------------- use cases ---------------- */
.usecases { padding: var(--space-24) 0; }
.uc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; margin-top: var(--space-12); }
.uc { background: #fff; padding: var(--space-8); transition: background var(--dur-base) var(--ease-out); }
.uc:hover { background: var(--ink-50); }
.uc-ic { width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--purple-50); color: var(--brand-purple); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-5); }
.uc-ic svg { width: 22px; height: 22px; stroke-width: 1.6; }
.uc h3 { font-family: var(--font-sans); font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.01em; color: var(--fg); margin: 0 0 var(--space-2); text-transform: none; }
.uc p { font-size: var(--text-sm); color: var(--fg-2); line-height: 1.55; margin: 0; }

/* ---------------- why us / split ---------------- */
.why { padding: var(--space-24) 0; background: var(--brand-ink); color: #fff; }
.why .section-head h2 { color: #fff; }
.why .section-head p { color: var(--ink-300); }
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); margin-top: var(--space-12); }
.why-item { display: flex; gap: var(--space-4); padding: var(--space-6); border: 1px solid var(--ink-800); border-radius: var(--radius-lg); background: #101015; }
.why-ic { width: 40px; height: 40px; border-radius: var(--radius-md); background: rgba(139,45,240,0.16); color: var(--brand-purple-bright); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.why-ic svg { width: 20px; height: 20px; stroke-width: 1.7; }
.why-item h3 { font-family: var(--font-sans); font-size: var(--text-lg); font-weight: 700; color: #fff; margin: 0 0 6px; text-transform: none; letter-spacing: -0.01em; }
.why-item p { font-size: var(--text-sm); color: var(--ink-300); line-height: 1.55; margin: 0; }

/* ---------------- how ---------------- */
.how { padding: var(--space-24) 0; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin-top: var(--space-12); }
.step { background: #fff; padding: var(--space-8); border: 1px solid var(--border); border-radius: var(--radius-lg); position: relative; }
.step-n { font-family: var(--font-display); font-weight: 900; font-size: 52px; line-height: 1; letter-spacing: -0.03em; color: var(--brand-purple); margin-bottom: var(--space-5); }
.step h3 { font-family: var(--font-sans); font-size: var(--text-xl); font-weight: 700; color: var(--fg); margin: 0 0 var(--space-2); text-transform: none; letter-spacing: -0.01em; }
.step p { font-size: var(--text-sm); color: var(--fg-2); line-height: 1.55; margin: 0; }

/* ---------------- final cta ---------------- */
.final { padding: var(--space-24) 0; background: var(--brand-purple); color: #fff; position: relative; overflow: hidden; }
.final-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-12); align-items: center; position: relative; z-index: 1; }
.final h2 { font-family: var(--font-display); font-weight: 900; font-size: clamp(44px, 8vw, 104px); line-height: 0.9; letter-spacing: -0.035em; text-transform: uppercase; color: #fff; margin: 0; }
.final-side p { font-size: var(--text-xl); color: rgba(255,255,255,0.9); margin: 0 0 var(--space-6); line-height: 1.45; }

/* ---------------- contact ---------------- */
.contact { padding: var(--space-24) 0; background: var(--bg-subtle); border-top: 1px solid var(--border); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: start; }
.contact-copy h2 { font-family: var(--font-display); font-weight: 900; font-size: clamp(34px, 5vw, 56px); line-height: 1; letter-spacing: -0.03em; text-transform: uppercase; color: var(--brand-ink); margin: var(--space-3) 0 var(--space-5); }
.contact-copy p { font-size: var(--text-lg); color: var(--fg-2); margin: 0 0 var(--space-6); line-height: 1.5; }
.contact-list { list-style: none; padding: 0; margin: var(--space-6) 0 0; display: flex; flex-direction: column; gap: var(--space-4); }
.contact-list li { display: flex; gap: var(--space-3); align-items: center; font-size: var(--text-sm); color: var(--fg-2); }
.contact-list .ci { width: 38px; height: 38px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--brand-purple); flex-shrink: 0; }
.contact-list .ci svg { width: 18px; height: 18px; stroke-width: 1.7; }
.contact-list a { color: var(--fg); font-weight: 600; }

.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--space-8); box-shadow: var(--shadow-lg); }
.field { margin-bottom: var(--space-4); }
.field label { display: block; font-size: var(--text-xs); font-weight: 600; color: var(--fg-2); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.04em; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; font-family: var(--font-sans); font-size: var(--text-base);
  color: var(--fg); background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md);
  outline: none; transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--brand-purple); box-shadow: var(--shadow-focus); }
.field textarea { resize: vertical; min-height: 110px; }
.form-card .btn { width: 100%; margin-top: var(--space-2); }
.form-note { font-size: var(--text-xs); color: var(--fg-3); text-align: center; margin: var(--space-4) 0 0; }
.form-status { padding: 12px 14px; border-radius: var(--radius-md); font-size: var(--text-sm); margin-bottom: var(--space-4); display: none; }
.form-status.ok { display: block; background: #ECFDF5; color: #047857; border: 1px solid #A7F3D0; }
.form-status.err { display: block; background: #FEF2F2; color: #B91C1C; border: 1px solid #FECACA; }

/* ---------------- footer ---------------- */
.footer { background: var(--brand-ink); color: #fff; padding: var(--space-16) 0 var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-8); }
.footer-brand img { height: 30px; width: auto; margin-bottom: var(--space-4); }
.footer-brand p { font-size: var(--text-sm); color: var(--ink-400); max-width: 280px; line-height: 1.55; margin: 0; }
.footer-h { font-size: var(--text-xs); font-weight: 600; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--ink-400); margin: 0 0 var(--space-4); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--ink-300); font-size: var(--text-sm); }
.footer-col a:hover { color: #fff; }
.footer-base { margin-top: var(--space-16); padding-top: var(--space-6); border-top: 1px solid var(--ink-800); display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; font-size: var(--text-xs); color: var(--ink-400); }

/* ---------------- responsive ---------------- */
@media (max-width: 940px) {
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero-art { max-width: 460px; }
  .uc-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .final-inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .contact-inner { grid-template-columns: 1fr; gap: var(--space-10); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: var(--space-5) var(--space-8); gap: var(--space-4);
  }
  .nav-toggle { display: block; }
  .nav-right .btn-ghost { display: none; }
}
@media (max-width: 560px) {
  .container, .nav-inner, .hero-inner { padding-left: var(--space-5); padding-right: var(--space-5); }
  .trust-row { gap: var(--space-5); }
  .trust-item { flex: 1 1 40%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-base { flex-direction: column; align-items: flex-start; }
}