/* style.css — Design tokens + Kiedo components */

/* ─── FONTS ─────────────────────────────────────────────────────────── */
@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@400,500,600,700,800&f[]=satoshi@400,500,600,700&display=swap');

/* ─── DESIGN TOKENS ─────────────────────────────────────────────────── */
:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* Spacing */
  --space-1: .25rem; --space-2: .5rem; --space-3: .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; --space-32: 8rem;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body:    'Satoshi', 'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Radius */
  --radius-sm: .375rem; --radius-md: .5rem; --radius-lg: .75rem;
  --radius-xl: 1rem; --radius-2xl: 1.5rem; --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16,1,0.3,1);
  --transition-slow: 400ms cubic-bezier(0.16,1,0.3,1);

  /* Content widths */
  --content-narrow: 640px; --content-default: 960px;
  --content-wide: 1200px; --content-full: 100%;
}

/* ─── LIGHT MODE ─────────────────────────────────────────────────────── */
:root, [data-theme='light'] {
  /* Surfaces — cool dark-indigo branded */
  --color-bg:             #f8f9fc;
  --color-surface:        #ffffff;
  --color-surface-2:      #f4f5f9;
  --color-surface-offset: #eef0f6;
  --color-divider:        #e2e5ed;
  --color-border:         #d8dce8;

  /* Text */
  --color-text:         #0f1225;
  --color-text-muted:   #616a8a;
  --color-text-faint:   #9da5be;
  --color-text-inverse: #f8f9fc;

  /* Primary — Deep indigo */
  --color-primary:          #4f46e5;
  --color-primary-hover:    #3730d4;
  --color-primary-active:   #2a24b8;
  --color-primary-light:    #ede9fe;
  --color-primary-subtle:   #c7d2fe;

  /* Accent — Warm amber */
  --color-accent:         #f59e0b;
  --color-accent-hover:   #d97706;
  --color-accent-light:   #fef3c7;

  /* Status */
  --color-success:        #16a34a; --color-success-light: #dcfce7;
  --color-error:          #dc2626; --color-error-light:   #fee2e2;
  --color-warning:        #d97706; --color-warning-light: #fef3c7;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15,18,37,.06);
  --shadow-md: 0 4px 12px rgba(15,18,37,.08);
  --shadow-lg: 0 12px 32px rgba(15,18,37,.12);
  --shadow-xl: 0 20px 48px rgba(15,18,37,.16);
}

/* ─── DARK MODE ──────────────────────────────────────────────────────── */
[data-theme='dark'] {
  --color-bg:             #0c0d14;
  --color-surface:        #12141f;
  --color-surface-2:      #181a28;
  --color-surface-offset: #1d1f2e;
  --color-divider:        #252838;
  --color-border:         #2e3149;

  --color-text:         #e8eaf2;
  --color-text-muted:   #8b90ae;
  --color-text-faint:   #545878;
  --color-text-inverse: #0c0d14;

  --color-primary:          #818cf8;
  --color-primary-hover:    #a5b4fc;
  --color-primary-active:   #c7d2fe;
  --color-primary-light:    #1e1f3e;
  --color-primary-subtle:   #2d2f5a;

  --color-accent:         #fbbf24;
  --color-accent-hover:   #fcd34d;
  --color-accent-light:   #292215;

  --color-success:        #4ade80; --color-success-light: #0f2a1a;
  --color-error:          #f87171; --color-error-light:   #2a0f0f;
  --color-warning:        #fbbf24; --color-warning-light: #2a1f0f;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.4);
  --shadow-xl: 0 20px 48px rgba(0,0,0,.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0c0d14; --color-surface: #12141f; --color-surface-2: #181a28;
    --color-surface-offset: #1d1f2e; --color-divider: #252838; --color-border: #2e3149;
    --color-text: #e8eaf2; --color-text-muted: #8b90ae; --color-text-faint: #545878;
    --color-text-inverse: #0c0d14;
    --color-primary: #818cf8; --color-primary-hover: #a5b4fc; --color-primary-active: #c7d2fe;
    --color-primary-light: #1e1f3e; --color-primary-subtle: #2d2f5a;
    --color-accent: #fbbf24; --color-accent-hover: #fcd34d; --color-accent-light: #292215;
    --color-success: #4ade80; --color-success-light: #0f2a1a;
    --color-error: #f87171; --color-error-light: #2a0f0f;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.2); --shadow-md: 0 4px 12px rgba(0,0,0,.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,.4); --shadow-xl: 0 20px 48px rgba(0,0,0,.5);
  }
}

/* ─── LAYOUT ─────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* ─── TYPOGRAPHY ─────────────────────────────────────────────────────── */
h1 { font-size: var(--text-3xl); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.025em; }
h3 { font-size: var(--text-xl);  font-weight: 700; letter-spacing: -0.02em; }
h4 { font-size: var(--text-lg);  font-weight: 600; }
p  { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.7; }

.label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ─── BUTTONS ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 600;
  text-decoration: none; cursor: pointer;
  border: none; transition: all var(--transition-interactive);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary); color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px color-mix(in oklch, var(--color-primary) 40%, transparent);
}
.btn-secondary {
  background: var(--color-surface-2); color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-offset); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--color-primary);
  padding: var(--space-3) var(--space-4);
}
.btn-ghost:hover { background: var(--color-primary-light); }
.btn-accent {
  background: var(--color-accent); color: #0f1225;
}
.btn-accent:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }

/* ─── BADGE ──────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid color-mix(in oklch, var(--color-primary) 20%, transparent);
}

/* ─── CARDS ──────────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.card:hover { box-shadow: var(--shadow-md); }

/* ─── NAVBAR ─────────────────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: var(--space-4) 0;
  backdrop-filter: blur(16px) saturate(180%);
  background: color-mix(in oklch, var(--color-bg) 85%, transparent);
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition-slow);
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
}
.nav-logo {
  display: flex; align-items: center; gap: var(--space-2);
  text-decoration: none; color: var(--color-text);
  font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg);
  flex-shrink: 0;
}
.nav-links {
  display: flex; align-items: center; gap: var(--space-1);
  list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  text-decoration: none; color: var(--color-text-muted); font-size: var(--text-sm);
  font-weight: 500; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
}
.nav-links a:hover { color: var(--color-text); background: var(--color-surface-2); }
.nav-links a.active { color: var(--color-primary); background: var(--color-primary-light); }
.nav-right { display: flex; align-items: center; gap: var(--space-2); }
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem;
  border-radius: var(--radius-md); color: var(--color-text-muted);
  cursor: pointer; background: none; border: none;
  transition: all var(--transition-interactive);
}
.theme-toggle:hover { background: var(--color-surface-2); color: var(--color-text); }
.nav-mobile-btn {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 2.25rem; height: 2.25rem;
  background: none; border: none; cursor: pointer; padding: var(--space-2);
}
.nav-mobile-btn span {
  display: block; height: 2px; background: var(--color-text);
  border-radius: 2px; transition: all var(--transition-interactive);
}
.nav-dropdown {
  display: none; flex-direction: column;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-3);
  box-shadow: var(--shadow-lg);
  position: absolute; top: calc(100% + var(--space-2)); left: 0; right: 0;
  margin: 0 var(--space-4);
}
.nav-dropdown.open { display: flex; }
.nav-dropdown a {
  text-decoration: none; color: var(--color-text); font-size: var(--text-sm);
  font-weight: 500; padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
}
.nav-dropdown a:hover { background: var(--color-surface-2); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-btn { display: flex; }
  .nav-right .btn { display: none; }
}

/* ─── FOOTER ─────────────────────────────────────────────────────────── */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-8);
}
.footer-brand p {
  font-size: var(--text-sm); color: var(--color-text-muted);
  max-width: 28ch; margin-top: var(--space-3);
}
.footer-col h4 {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-text-faint); margin-bottom: var(--space-4);
}
.footer-col ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a {
  text-decoration: none; font-size: var(--text-sm); color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  margin-top: var(--space-12); padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex; justify-content: space-between; align-items: center;
  font-size: var(--text-xs); color: var(--color-text-faint);
  flex-wrap: wrap; gap: var(--space-4);
}
.footer-bottom a { color: var(--color-text-faint); text-decoration: none; }
.footer-bottom a:hover { color: var(--color-text-muted); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ─── HERO ───────────────────────────────────────────────────────────── */
.hero {
  padding-top: calc(5rem + var(--space-16));
  padding-bottom: var(--space-24);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% -10%, color-mix(in oklch, var(--color-primary) 15%, transparent), transparent 70%),
              radial-gradient(ellipse 60% 40% at 10% 50%, color-mix(in oklch, var(--color-accent) 8%, transparent), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-12); align-items: center;
  position: relative;
}
.hero-eyebrow { margin-bottom: var(--space-4); }
.hero h1 { margin-bottom: var(--space-6); }
.hero-desc {
  font-size: var(--text-lg); color: var(--color-text-muted);
  max-width: 52ch; margin-bottom: var(--space-8);
}
.hero-ctas { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hero-trust {
  margin-top: var(--space-10); display: flex; align-items: center; gap: var(--space-4);
  font-size: var(--text-xs); color: var(--color-text-faint);
}
.hero-trust-dots { display: flex; gap: var(--space-1); }
.hero-trust-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-success);
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}

/* ─── CHAT MOCKUP ────────────────────────────────────────────────────── */
.chat-mockup {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  max-width: 380px;
  margin-left: auto;
}
.chat-header {
  background: var(--color-primary); color: white;
  padding: var(--space-4) var(--space-5);
  display: flex; align-items: center; gap: var(--space-3);
}
.chat-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.chat-header-info { flex: 1; }
.chat-header-name { font-size: var(--text-sm); font-weight: 600; }
.chat-header-status { font-size: var(--text-xs); opacity: 0.8; display: flex; align-items: center; gap: 4px; }
.chat-header-status::before {
  content: ''; display: inline-block;
  width: 6px; height: 6px; border-radius: 50%; background: #4ade80; flex-shrink: 0;
}
.chat-body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); min-height: 280px; }
.msg { display: flex; gap: var(--space-2); }
.msg-bubble {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg); font-size: var(--text-sm); max-width: 85%; line-height: 1.5;
}
.msg-bot .msg-bubble { background: var(--color-surface-2); border: 1px solid var(--color-border); color: var(--color-text); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0; }
.msg-user { flex-direction: row-reverse; }
.msg-user .msg-bubble { background: var(--color-primary); color: white; border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); }
.chat-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-divider);
  display: flex; align-items: center; gap: var(--space-2);
}
.chat-input {
  flex: 1; background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-full); padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs); color: var(--color-text-faint);
}
.chat-send {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--color-primary); color: white;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.chat-powered {
  text-align: center; font-size: var(--text-xs); color: var(--color-text-faint);
  padding: var(--space-2); border-top: 1px solid var(--color-divider);
}
.chat-powered a { color: var(--color-primary); text-decoration: none; font-weight: 600; }

/* ─── SOCIAL PROOF STRIP ─────────────────────────────────────────────── */
.social-strip {
  padding-block: var(--space-8);
  border-block: 1px solid var(--color-divider);
  text-align: center;
}
.social-strip p {
  font-size: var(--text-sm); color: var(--color-text-faint);
  margin-inline: auto; margin-bottom: var(--space-6);
}
.social-logos { display: flex; justify-content: center; align-items: center; gap: var(--space-8); flex-wrap: wrap; }
.social-logo-placeholder {
  font-size: var(--text-sm); font-weight: 700; color: var(--color-text-faint);
  letter-spacing: 0.05em; opacity: 0.5;
}

/* ─── SECTION HEADER ─────────────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: var(--space-12); }
.section-header .label { margin-bottom: var(--space-3); }
.section-header h2 { margin-bottom: var(--space-4); }
.section-header p { font-size: var(--text-lg); max-width: 52ch; margin-inline: auto; }

/* ─── VALUE PROPS ────────────────────────────────────────────────────── */
.value-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6);
}
.value-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8);
  transition: all var(--transition-interactive);
}
.value-card:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-md);
  border-color: color-mix(in oklch, var(--color-primary) 30%, transparent);
}
.value-icon {
  width: 48px; height: 48px; border-radius: var(--radius-lg);
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-4);
}
.value-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }

@media (max-width: 768px) { .value-grid { grid-template-columns: 1fr; } }
@media (max-width: 1024px) { .value-grid { grid-template-columns: repeat(2, 1fr); } }

/* ─── FEATURE GRID ───────────────────────────────────────────────────── */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
}
.feature-item {
  padding: var(--space-6); border-radius: var(--radius-xl);
  border: 1px solid var(--color-border); background: var(--color-surface);
  transition: all var(--transition-interactive); display: flex; flex-direction: column; gap: var(--space-3);
}
.feature-item:hover { border-color: var(--color-primary); background: var(--color-surface-2); }
.feature-item-icon {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.feature-item h4 { font-size: var(--text-sm); font-weight: 700; color: var(--color-text); }
.feature-item p { font-size: var(--text-xs); color: var(--color-text-muted); max-width: none; margin: 0; }

@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .feature-grid { grid-template-columns: 1fr; } }

/* ─── ARCH DIAGRAM ───────────────────────────────────────────────────── */
.arch-section { background: var(--color-surface-2); }
.arch-diagram-wrap { max-width: 700px; margin-inline: auto; }

/* ─── CHANNEL SHOWCASE ───────────────────────────────────────────────── */
.channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.channel-card {
  text-align: center; padding: var(--space-8) var(--space-6);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-interactive);
}
.channel-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.channel-icon-wrap {
  width: 64px; height: 64px; margin-inline: auto; margin-bottom: var(--space-4);
  border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center;
}
.channel-card h3 { font-size: var(--text-base); margin-bottom: var(--space-2); }

@media (max-width: 768px) { .channel-grid { grid-template-columns: 1fr; } }

/* ─── PRICING TEASER ─────────────────────────────────────────────────── */
.pricing-bg { background: var(--color-surface-2); }
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6);
}
.price-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-4);
  transition: all var(--transition-interactive);
}
/* .price-card.featured — styles moved to ANIMATED GRADIENT BORDER section below */
.price-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.price-badge {
  font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--color-primary); background: var(--color-primary-light);
  padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); width: fit-content;
}
.price-amount { display: flex; align-items: baseline; gap: var(--space-1); }
.price-amount .amount { font-size: var(--text-3xl); font-weight: 800; color: var(--color-text); letter-spacing: -0.04em; }
.price-amount .period { font-size: var(--text-sm); color: var(--color-text-muted); }
.price-desc { font-size: var(--text-sm); color: var(--color-text-muted); }
.price-features { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.price-features li {
  display: flex; align-items: flex-start; gap: var(--space-2);
  font-size: var(--text-sm); color: var(--color-text-muted);
}
.price-features li::before { content: '✓'; color: var(--color-success); font-weight: 700; flex-shrink: 0; margin-top: 2px; }

@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-inline: auto; } }

/* ─── FAQ ────────────────────────────────────────────────────────────── */
.faq-list { max-width: 720px; margin-inline: auto; display: flex; flex-direction: column; gap: var(--space-2); }
.faq-item {
  border: 1px solid var(--color-border); border-radius: var(--radius-xl); overflow: hidden;
  background: var(--color-surface);
}
.faq-btn {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: var(--space-5) var(--space-6); background: none; border: none; cursor: pointer;
  font-size: var(--text-base); font-weight: 600; color: var(--color-text); text-align: left; gap: var(--space-4);
  transition: background var(--transition-interactive);
}
.faq-btn:hover { background: var(--color-surface-2); }
.faq-icon { flex-shrink: 0; transition: transform var(--transition-interactive); color: var(--color-primary); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { padding: 0 var(--space-6); max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: var(--space-5); }
.faq-answer p { color: var(--color-text-muted); }

/* ─── CTA BANNER ─────────────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), color-mix(in oklch, var(--color-primary) 70%, var(--color-accent)));
  border-radius: var(--radius-2xl); padding: var(--space-16) var(--space-12);
  text-align: center; color: white; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% -30%, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}
.cta-banner h2 { color: white; margin-bottom: var(--space-4); }
.cta-banner p { color: rgba(255,255,255,0.8); max-width: 44ch; margin-inline: auto; margin-bottom: var(--space-8); }
.cta-banner .btn-primary {
  background: white; color: var(--color-primary);
}
.cta-banner .btn-primary:hover { background: rgba(255,255,255,0.9); }

/* ─── CODE BLOCK ─────────────────────────────────────────────────────── */
.code-wrap { position: relative; }
.code-block {
  background: #0d0f1a; border: 1px solid #1e2235;
  border-radius: var(--radius-xl); padding: var(--space-6);
  overflow-x: auto; font-family: var(--font-mono); font-size: var(--text-xs);
  line-height: 1.7; color: #c9d1d9;
}
.code-copy {
  position: absolute; top: var(--space-3); right: var(--space-3);
  background: #1e2235; color: #8b90ae; border: 1px solid #2e3149;
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-md);
  font-size: var(--text-xs); font-weight: 600; cursor: pointer;
  transition: all var(--transition-interactive); display: flex; align-items: center; gap: var(--space-1);
}
.code-copy:hover { background: #252838; color: #e8eaf2; }
.code-copy.copied { background: #0f2a1a; color: #4ade80; border-color: #4ade80; }
.code-comment { color: #656d76; }
.code-keyword { color: #ff7b72; }
.code-string { color: #a5d6ff; }
.code-value { color: #79c0ff; }
.code-fn { color: #d2a8ff; }
.code-attr { color: #ffa657; }

/* ─── PAGE HEADER ────────────────────────────────────────────────────── */
.page-header {
  padding-top: calc(5rem + var(--space-12));
  padding-bottom: var(--space-12);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
}
.page-header .label { margin-bottom: var(--space-3); }
.page-header h1 { margin-bottom: var(--space-4); }
.page-header p { font-size: var(--text-lg); max-width: 52ch; }

/* ─── FEATURE TOUR ───────────────────────────────────────────────────── */
.feature-group { margin-bottom: var(--space-16); }
.feature-group-label {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: var(--space-3); display: flex; align-items: center; gap: var(--space-2);
}
.feature-group-label::after { content: ''; flex: 1; height: 1px; background: var(--color-divider); }
.feature-group h2 { font-size: var(--text-xl); margin-bottom: var(--space-8); }
.feature-detail-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5);
}
@media (max-width: 720px) { .feature-detail-grid { grid-template-columns: 1fr; } }
.feature-detail {
  padding: var(--space-6); background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.feature-detail .feature-item-icon { margin-bottom: var(--space-3); }
.feature-detail h4 { font-size: var(--text-base); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-2); }
.feature-detail p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: none; margin: 0; }
.feature-detail ul { list-style: none; padding: 0; margin-top: var(--space-2); display: flex; flex-direction: column; gap: var(--space-1); }
.feature-detail ul li { font-size: var(--text-xs); color: var(--color-text-muted); display: flex; align-items: flex-start; gap: var(--space-2); }
.feature-detail ul li::before { content: '•'; color: var(--color-primary); flex-shrink: 0; }

/* ─── PRICING TABLE ──────────────────────────────────────────────────── */
.pricing-table-wrap { overflow-x: auto; }
.pricing-table {
  border: 1px solid var(--color-border); border-radius: var(--radius-xl);
  overflow: hidden; min-width: 600px;
}
.pricing-table th {
  background: var(--color-surface-2); padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm); font-weight: 700; color: var(--color-text); text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.pricing-table th.featured-col { background: var(--color-primary-light); color: var(--color-primary); }
.pricing-table td {
  padding: var(--space-4) var(--space-5); font-size: var(--text-sm); color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-divider);
}
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table td.featured-col { background: color-mix(in oklch, var(--color-primary-light) 50%, transparent); }
.pricing-table td.check { color: var(--color-success); font-weight: 700; text-align: center; }
.pricing-table td.cross { color: var(--color-text-faint); text-align: center; }
.pricing-table td.text-center { text-align: center; }

/* ─── CONTACT FORM ───────────────────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: start; }
.contact-info h2 { margin-bottom: var(--space-4); }
.contact-info p { margin-bottom: var(--space-8); }
.contact-perks { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-perk { display: flex; align-items: flex-start; gap: var(--space-3); }
.contact-perk-icon {
  width: 40px; height: 40px; border-radius: var(--radius-md); flex-shrink: 0;
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.contact-perk h4 { font-size: var(--text-sm); font-weight: 700; color: var(--color-text); }
.contact-perk p { font-size: var(--text-xs); max-width: none; margin: 0; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }
label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
input, textarea, select {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm); color: var(--color-text); width: 100%;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 20%, transparent);
}
textarea { resize: vertical; min-height: 120px; }
.form-feedback {
  padding: var(--space-4); border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: 600;
  display: none;
}
.form-feedback.success { background: var(--color-success-light); color: var(--color-success); display: block; }
.form-feedback.error { background: var(--color-error-light); color: var(--color-error); display: block; }

/* ─── SELF-HOSTED ────────────────────────────────────────────────────── */
.stack-diagram {
  display: flex; flex-direction: column; gap: var(--space-2); max-width: 600px;
}
.stack-layer {
  display: flex; align-items: center; gap: var(--space-4); padding: var(--space-4) var(--space-6);
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  font-size: var(--text-sm);
}
.stack-layer-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-primary); color: white; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: var(--text-xs); font-weight: 700;
}
.stack-layer-name { font-weight: 600; color: var(--color-text); }
.stack-layer-desc { color: var(--color-text-muted); font-size: var(--text-xs); }

/* ─── SECURITY ───────────────────────────────────────────────────────── */
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
@media (max-width: 900px) { .security-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .security-grid { grid-template-columns: 1fr; } }

/* ─── STUB/DOCS PAGES ────────────────────────────────────────────────── */
.stub-card {
  max-width: 480px; margin-inline: auto; text-align: center;
  padding: var(--space-16) var(--space-8);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl); box-shadow: var(--shadow-md);
}
.stub-icon { margin-inline: auto; margin-bottom: var(--space-6); color: var(--color-primary); }
.stub-card h2 { margin-bottom: var(--space-3); }

/* ─── ANIMATIONS ─────────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
.animate-fade-in { animation: fadeIn 0.6s ease forwards; }
.animate-fade-up { animation: fadeInUp 0.6s cubic-bezier(0.16,1,0.3,1) forwards; }
.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4 { animation-delay: 0.4s; opacity: 0; }

/* Scroll reveal — JS-driven (fallback) */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16,1,0.3,1); }
.reveal.visible { opacity: 1; transform: none; }

/* ─── CSS SCROLL-DRIVEN REVEALS ──────────────────────────────────────── */
/* Opacity-only — no translateY to avoid CLS */
.fade-in { opacity: 1; } /* Fallback: visible by default */

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
  /* Stagger helpers for grids */
  .fade-in:nth-child(2) { animation-delay: 0.05s; }
  .fade-in:nth-child(3) { animation-delay: 0.1s; }
  .fade-in:nth-child(4) { animation-delay: 0.15s; }
  .fade-in:nth-child(5) { animation-delay: 0.2s; }
  .fade-in:nth-child(6) { animation-delay: 0.25s; }
  .fade-in:nth-child(7) { animation-delay: 0.3s; }
  .fade-in:nth-child(8) { animation-delay: 0.35s; }
  .fade-in:nth-child(9) { animation-delay: 0.4s; }
}

@keyframes reveal-fade { to { opacity: 1; } }

/* ─── CSS VIEW TRANSITIONS ───────────────────────────────────────────── */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: fade-vt-out 0.2s cubic-bezier(0.4,0,1,1); }
::view-transition-new(root) { animation: fade-vt-in  0.3s cubic-bezier(0.16,1,0.3,1); }
@keyframes fade-vt-out { to   { opacity: 0; } }
@keyframes fade-vt-in  { from { opacity: 0; } }

/* ─── ANIMATED GRADIENT BORDER ON FEATURED CARD ─────────────────────── */
@property --grad-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.price-card.featured {
  --grad-angle: 0deg;
  border: none;
  position: relative;
  isolation: isolate;
  /* Solid background so content is readable */
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  /* pad slightly for the border ring */
  outline: 2px solid transparent;
}
/* Animated gradient ring sits BELOW card surface */
.price-card.featured::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: conic-gradient(from var(--grad-angle), var(--color-primary), var(--color-accent), #c084fc, var(--color-primary));
  z-index: -1;
  animation: rotate-grad 4s linear infinite;
}
/* Inner white fill to mask gradient from showing through card */
.price-card.featured::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: calc(var(--radius-xl) - 1px);
  background: var(--color-surface);
  z-index: -1;
}
@keyframes rotate-grad { to { --grad-angle: 360deg; } }

/* ─── SHIMMER / GLOW PULSE ON CTA BANNER ────────────────────────────── */
.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-2xl);
  background: radial-gradient(ellipse 60% 60% at 80% 120%, rgba(245,158,11,0.3), transparent 60%);
  animation: cta-pulse 5s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes cta-pulse {
  from { opacity: 0.4; transform: scale(1); }
  to   { opacity: 1;   transform: scale(1.05); }
}

/* ─── FLOATING PARTICLES (hero orbs) ────────────────────────────────── */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform;
}
.hero-orb-1 {
  width: 420px; height: 420px;
  top: -120px; right: -80px;
  background: radial-gradient(circle, color-mix(in oklch, var(--color-primary) 22%, transparent), transparent 70%);
  animation: float-orb 12s ease-in-out infinite;
}
.hero-orb-2 {
  width: 280px; height: 280px;
  bottom: -60px; left: -60px;
  background: radial-gradient(circle, color-mix(in oklch, var(--color-accent) 18%, transparent), transparent 70%);
  animation: float-orb 9s ease-in-out infinite reverse;
}
.hero-orb-3 {
  width: 180px; height: 180px;
  top: 40%; right: 20%;
  background: radial-gradient(circle, color-mix(in oklch, var(--color-primary) 12%, transparent), transparent 70%);
  animation: float-orb 15s ease-in-out infinite 3s;
}
@keyframes float-orb {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%       { transform: translate(12px,-18px) scale(1.04); }
  66%       { transform: translate(-8px,12px) scale(0.97); }
}

/* ─── AURORA HERO BG ─────────────────────────────────────────────────── */
.hero-aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-aurora::before,
.hero-aurora::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  will-change: transform, opacity;
}
.hero-aurora::before {
  width: 70%; height: 60%;
  top: -20%; right: -10%;
  background: color-mix(in oklch, var(--color-primary) 18%, transparent);
  animation: aurora-a 14s ease-in-out infinite;
}
.hero-aurora::after {
  width: 50%; height: 50%;
  bottom: -10%; left: 5%;
  background: color-mix(in oklch, var(--color-accent) 14%, transparent);
  animation: aurora-b 11s ease-in-out infinite reverse;
}
@keyframes aurora-a {
  0%, 100% { transform: translate(0,0) rotate(0deg); opacity: 0.7; }
  50%       { transform: translate(30px,-20px) rotate(8deg); opacity: 1; }
}
@keyframes aurora-b {
  0%, 100% { transform: translate(0,0) rotate(0deg); opacity: 0.6; }
  50%       { transform: translate(-20px,15px) rotate(-6deg); opacity: 0.9; }
}

/* ─── HERO IMAGE BACKGROUND ─────────────────────────────────────────── */
.hero-img-bg {
  position: absolute;
  top: 0; right: 0;
  width: 55%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.07;
  mask-image: linear-gradient(to left, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
  pointer-events: none;
  border-radius: 0;
}
[data-theme='dark'] .hero-img-bg { opacity: 0.12; }

/* ─── CHAT MOCKUP FLOAT ──────────────────────────────────────────────── */
.chat-mockup {
  animation: chat-float 6s ease-in-out infinite;
}
@keyframes chat-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ─── ENHANCED CARD HOVER GLOWS ─────────────────────────────────────── */
.value-card:hover {
  box-shadow: 0 8px 32px color-mix(in oklch, var(--color-primary) 18%, transparent),
              var(--shadow-md);
}
.feature-item:hover {
  box-shadow: 0 4px 20px color-mix(in oklch, var(--color-primary) 12%, transparent);
}
.channel-card:hover {
  box-shadow: 0 8px 28px color-mix(in oklch, var(--color-primary) 15%, transparent),
              var(--shadow-md);
}

/* ─── STATS STRIP ────────────────────────────────────────────────────── */
.stats-strip {
  padding-block: var(--space-10);
  border-block: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  text-align: center;
}
.stat-item { padding: var(--space-4); }
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ─── SECTION IMAGE ILLUSTRATIONS ───────────────────────────────────── */
.section-illustration {
  width: 100%;
  max-width: 560px;
  margin-inline: auto;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-xl);
}
.section-illustration img {
  width: 100%;
  display: block;
  object-fit: cover;
}
.section-illustration::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 40%,
    color-mix(in oklch, var(--color-bg) 60%, transparent)
  );
  border-radius: var(--radius-2xl);
}

/* ─── SOCIAL PROOF STRIP (enhanced) ─────────────────────────────────── */
.social-logo-placeholder {
  position: relative;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  opacity: 0.45;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: opacity var(--transition-interactive), border-color var(--transition-interactive);
}
.social-logo-placeholder:hover {
  opacity: 0.7;
  border-color: color-mix(in oklch, var(--color-primary) 30%, transparent);
}

/* ─── REDUCED MOTION SAFETY ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ─── MISC UTILS ─────────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.highlight { color: var(--color-primary); }
.highlight-accent { color: var(--color-accent); }