/* =========================================
   SYNCHRONIC — 2026 Modern Design System
   Mesh gradients · Glassmorphism · Glow effects
   ========================================= */

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

:root {
  --indigo: #0F6FBF;
  --indigo-lt: #7FB5E0;
  --indigo-bg: #E4F2FF;
  --cyan: #22D3EE;
  --violet: #9B8FDB;
  --purple: #6858C8;
  --rose: #FB7185;
  --surface: #FAFBFF;
  --bg: #F1F5FE;
  --border: rgba(148,163,184,.2);
  --border-solid: #E2E8F0;
  --muted: #94A3B8;
  --text-2: #64748B;
  --text: #0F172A;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.04), 0 1px 2px rgba(15,23,42,.02);
  --shadow: 0 4px 24px rgba(15,23,42,.06), 0 1px 4px rgba(15,23,42,.03);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.08), 0 4px 12px rgba(15,23,42,.04);
  --shadow-glow: 0 0 40px rgba(15,111,191,.12), 0 0 80px rgba(104,88,200,.06);
  --glass: rgba(255,255,255,.7);
  --glass-border: rgba(255,255,255,.5);
  --transition: 250ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 500ms cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; color: var(--text); background: var(--surface); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }



/* --- Typography --- */
.section-label { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--indigo); background: linear-gradient(135deg, rgba(15,111,191,.08), rgba(104,88,200,.06)); border: 1px solid rgba(15,111,191,.15); padding: 5px 14px; border-radius: 100px; margin-bottom: 20px; }
.section-title { font-size: clamp(26px, 3.8vw, 42px); font-weight: 800; letter-spacing: -.03em; line-height: 1.15; color: var(--text); margin-bottom: 16px; }
.title-narrow { max-width: 480px; margin-left: auto; margin-right: auto; }
.title-single { white-space: nowrap; }

/* --- Buttons --- */
.btn { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; padding: 14px 26px; border-radius: var(--radius); transition: transform var(--transition), box-shadow var(--transition), background var(--transition); white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, var(--indigo), var(--purple)); color: #fff; box-shadow: 0 2px 8px rgba(15,111,191,.3), 0 8px 24px rgba(15,111,191,.15); }
.btn-primary:hover { box-shadow: 0 4px 12px rgba(15,111,191,.4), 0 12px 32px rgba(15,111,191,.2); transform: translateY(-2px); }
.btn-ghost { background: var(--glass); color: var(--text); border: 1.5px solid var(--border-solid); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: #fff; border-color: var(--indigo-lt); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-full { width: 100%; justify-content: center; padding: 16px 24px; font-size: 16px; }

/* --- Nav --- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(250,251,255,.75); backdrop-filter: blur(20px) saturate(1.5); -webkit-backdrop-filter: blur(20px) saturate(1.5); border-bottom: 1px solid rgba(226,232,240,.4); transition: box-shadow var(--transition); }
.nav.scrolled { box-shadow: 0 4px 30px rgba(15,23,42,.06); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; letter-spacing: -.025em; color: var(--text); }
.nav-logo:hover { color: var(--indigo); }
.nav-logo-mark { display: block; width: 26px; height: 26px; border-radius: 7px; object-fit: contain; }
.footer-logo .nav-logo-mark { width: 24px; height: 24px; }
.nav-links { display: flex; list-style: none; align-items: center; gap: 4px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-2); padding: 7px 14px; border-radius: var(--radius-sm); transition: color var(--transition), background var(--transition); }
.nav-links a:hover { color: var(--text); background: rgba(15,111,191,.05); }
/* Log in — a secondary/outlined button, visually subordinate to the Sign Up CTA. */
.nav-links .nav-login { color: var(--text); background: #fff; border: 1px solid var(--border-solid); padding: 8px 18px; border-radius: var(--radius); margin-left: 8px; transition: border-color var(--transition), box-shadow var(--transition), color var(--transition); }
.nav-links .nav-login:hover { color: var(--indigo); background: #fff; border-color: var(--indigo-lt); box-shadow: var(--shadow-sm); }
.nav-links .nav-cta { background: linear-gradient(135deg, var(--indigo), var(--purple)); color: #fff; padding: 9px 18px; border-radius: var(--radius); box-shadow: 0 2px 8px rgba(15,111,191,.25); }
.nav-links .nav-cta:hover { box-shadow: 0 4px 16px rgba(15,111,191,.35); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: var(--radius-sm); }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }



/* =========================================
   HERO
   ========================================= */
.hero { padding: 180px 0 100px; position: relative; overflow: hidden; background: var(--surface); }
.hero-orbs { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .5; animation: orbFloat 12s ease-in-out infinite; }
.orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(15,111,191,.3) 0%, transparent 70%); top: -10%; left: -5%; }
.orb-2 { width: 400px; height: 400px; background: radial-gradient(circle, rgba(104,88,200,.25) 0%, transparent 70%); top: 20%; right: -8%; animation-delay: -4s; animation-duration: 15s; }
.orb-3 { width: 350px; height: 350px; background: radial-gradient(circle, rgba(34,211,238,.2) 0%, transparent 70%); bottom: -5%; left: 30%; animation-delay: -8s; animation-duration: 18s; }
@keyframes orbFloat { 0%,100% { transform: translate(0,0) scale(1); } 33% { transform: translate(30px,-20px) scale(1.05); } 66% { transform: translate(-20px,15px) scale(.95); } }

.hero-inner { max-width: 780px; margin: 0 auto; text-align: center; position: relative; z-index: 2; }
.hero-context { font-size: clamp(18px, 2.5vw, 23px); line-height: 1.55; color: var(--text-2); margin-bottom: 44px; max-width: 560px; margin-left: auto; margin-right: auto; }
.hero-stats { display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.8); border-radius: var(--radius-xl); padding: 52px 64px; margin-bottom: 36px; box-shadow: 0 0 0 1px rgba(15,111,191,.06), 0 8px 40px rgba(15,23,42,.06), 0 0 80px rgba(15,111,191,.06); backdrop-filter: blur(20px) saturate(1.4); position: relative; }
.hero-stats::before { content: ''; position: absolute; inset: -1px; border-radius: var(--radius-xl); padding: 1.5px; background: linear-gradient(135deg, rgba(15,111,191,.2), rgba(104,88,200,.15), rgba(34,211,238,.15), rgba(15,111,191,.1)); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.hero-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; flex: 1; }
.stat-value { font-size: clamp(56px, 9vw, 84px); font-weight: 800; letter-spacing: -.06em; line-height: 1; background: linear-gradient(135deg, var(--indigo) 0%, var(--purple) 50%, var(--cyan) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-plus { font-size: .6em; vertical-align: super; opacity: .7; }
.stat-unit { font-size: clamp(18px, 2.5vw, 24px); font-weight: 700; color: var(--text); letter-spacing: -.02em; margin-top: 4px; }
.stat-label { font-size: 14px; font-weight: 500; color: var(--muted); margin-top: 4px; }
.stat-divider { width: 1px; height: 90px; background: linear-gradient(180deg, transparent, var(--border-solid), transparent); margin: 0 48px; flex-shrink: 0; }
.hero-cause { font-size: 16px; line-height: 1.7; color: var(--muted); max-width: 480px; margin: 0 auto 36px; }
.hero-pills { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.hero-pill { display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,.65); border: 1px solid rgba(226,232,240,.6); border-radius: 100px; padding: 9px 16px; font-size: 13px; font-weight: 500; color: var(--text-2); backdrop-filter: blur(6px); transition: all var(--transition); }
.hero-pill:hover { background: rgba(255,255,255,.9); border-color: var(--indigo-lt); box-shadow: 0 4px 16px rgba(15,111,191,.08); transform: translateY(-1px); }
.pill-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }



/* =========================================
   EMAIL THREAD
   ========================================= */
.email-thread { padding: 80px 0; background: radial-gradient(ellipse at 30% 80%, rgba(241,245,254,.7) 0%, transparent 50%), var(--surface); }
.thread-wrapper { max-width: 620px; margin: 0 auto; background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.thread-subject { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border-solid); }
.thread-email { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(226,232,240,.35); }
.thread-email:last-of-type { border-bottom: none; }
.thread-avatar { width: 34px; height: 34px; border-radius: 50%; color: #fff; font-size: 10.5px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.thread-body { flex: 1; min-width: 0; }
.thread-meta { display: flex; align-items: baseline; gap: 8px; margin-bottom: 5px; flex-wrap: wrap; }
.thread-sender { font-size: 13.5px; font-weight: 600; color: var(--text); }
.thread-org { font-size: 11px; font-weight: 600; color: var(--muted); background: rgba(15,111,191,.06); padding: 2px 8px; border-radius: 100px; border: 1px solid rgba(15,111,191,.12); }
.thread-time { font-size: 11px; color: var(--muted); margin-left: auto; }
.thread-body p { font-size: 14px; line-height: 1.6; color: var(--text-2); }
.thread-body strong { color: var(--text); font-weight: 600; }
.thread-fade { height: 48px; background: linear-gradient(180deg, transparent, var(--glass)); margin-top: -48px; position: relative; z-index: 2; }

/* =========================================
   COMPLEXITY VISUALIZER
   ========================================= */
.complexity { padding: 100px 0; background: radial-gradient(ellipse at 70% 30%, rgba(238,242,255,.6) 0%, transparent 50%), radial-gradient(ellipse at 20% 70%, rgba(240,253,250,.5) 0%, transparent 40%), var(--surface); }
.complexity-inner { max-width: 740px; margin: 0 auto; text-align: center; }
.complexity-sub { font-size: 16px; line-height: 1.6; color: var(--text-2); max-width: 480px; margin: 0 auto 48px; }
.complexity-controls { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; text-align: left; margin-bottom: 40px; background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 28px; backdrop-filter: blur(10px); box-shadow: var(--shadow-sm); }
.control-group { display: flex; flex-direction: column; gap: 10px; }
.control-label { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; font-weight: 600; color: var(--text); }
.control-value { font-size: 16px; font-weight: 800; background: linear-gradient(135deg, var(--indigo), var(--purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.slider { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 3px; background: linear-gradient(90deg, rgba(15,111,191,.12), rgba(104,88,200,.12)); outline: none; }
.slider::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: linear-gradient(135deg, var(--indigo), var(--purple)); cursor: pointer; box-shadow: 0 2px 10px rgba(15,111,191,.35); transition: transform var(--transition); }
.slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.slider::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: linear-gradient(135deg, var(--indigo), var(--purple)); border: none; cursor: pointer; }
.slider-range { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: -4px; }
.tz-toggles { display: flex; gap: 6px; flex-wrap: wrap; }
.tz-btn { font-size: 11.5px; font-weight: 600; padding: 7px 12px; border-radius: 100px; border: 1.5px solid var(--border-solid); background: var(--glass); color: var(--text-2); cursor: pointer; transition: all var(--transition); }
.tz-btn:hover { border-color: var(--indigo-lt); color: var(--indigo); }
.tz-btn.active { background: linear-gradient(135deg, var(--indigo), var(--purple)); color: #fff; border-color: transparent; box-shadow: 0 2px 10px rgba(15,111,191,.3); }
.complexity-results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
.result-card { background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 28px 16px; text-align: center; backdrop-filter: blur(10px); transition: all var(--transition-slow); }
.result-number { display: block; font-size: clamp(34px, 5vw, 48px); font-weight: 800; letter-spacing: -.04em; line-height: 1; margin-bottom: 8px; }
.result-days .result-number { background: linear-gradient(135deg, var(--indigo), #818CF8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.result-msgs .result-number { background: linear-gradient(135deg, var(--purple), #C4B5FD); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.result-loops .result-number { background: linear-gradient(135deg, var(--cyan), #67E8F9); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.result-card.high { border-color: rgba(239,68,68,.3); box-shadow: 0 0 30px rgba(239,68,68,.08), var(--shadow); transform: scale(1.03); }
.result-card.high .result-number { background: linear-gradient(135deg, #EF4444, #F87171); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.result-unit { font-size: 13px; font-weight: 500; color: var(--text-2); }
.complexity-viz { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; margin-bottom: 48px; }
.viz-calendar { background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 16px; backdrop-filter: blur(8px); }
.viz-header { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin-bottom: 8px; }
.viz-header span { font-size: 10px; font-weight: 700; color: var(--muted); text-align: center; letter-spacing: .06em; }
.viz-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.viz-slot { height: 14px; border-radius: 4px; transition: all .3s ease; }
.viz-slot.free { background: linear-gradient(135deg, #D1FAE5, #A7F3D0); }
.viz-slot.busy { background: linear-gradient(135deg, #FECACA, #FCA5A5); }
.viz-slot.overlap { background: linear-gradient(135deg, var(--indigo), var(--purple)); opacity: .7; }
.viz-slot.conflict { background: linear-gradient(135deg, #EF4444, #F87171); animation: pulse-conflict 1.2s infinite; }
@keyframes pulse-conflict { 0%,100% { opacity:.5; transform:scale(1); } 50% { opacity:.95; transform:scale(1.1); } }
.viz-thread { background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 14px; display: flex; flex-direction: column; gap: 6px; overflow: hidden; max-height: 220px; backdrop-filter: blur(8px); }
.viz-msg { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 8px; background: rgba(255,255,255,.8); border: 1px solid var(--border-solid); font-size: 10.5px; color: var(--text-2); opacity: 0; transform: translateY(8px); animation: msgAppear .3s ease forwards; }
.viz-msg-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.viz-msg-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.viz-msg-delay { font-size: 9px; color: var(--muted); flex-shrink: 0; font-weight: 600; }
@keyframes msgAppear { to { opacity:1; transform:translateY(0); } }
.complexity-closer { font-size: 16.5px; font-weight: 500; color: var(--muted); font-style: italic; }



/* =========================================
   ALL OTHER SECTIONS
   ========================================= */
.problem { padding: 100px 0; background: var(--surface); }
.problem .section-title { margin-bottom: 48px; }
.problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.problem-card { background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 28px; backdrop-filter: blur(8px); transition: transform var(--transition), box-shadow var(--transition); }
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.problem-num { font-size: 11px; font-weight: 700; color: var(--indigo); background: linear-gradient(135deg, rgba(15,111,191,.1), rgba(104,88,200,.08)); width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.problem-card h3 { font-size: 15.5px; font-weight: 700; letter-spacing: -.01em; margin-bottom: 8px; line-height: 1.3; }
.problem-card p { font-size: 14px; line-height: 1.65; color: var(--text-2); }

.transition { padding: 80px 0; background: linear-gradient(180deg, var(--surface), var(--bg)); }
.transition-inner { max-width: 640px; margin: 0 auto; text-align: center; }
.transition-reality { font-size: 17px; line-height: 1.6; color: var(--muted); margin-bottom: 20px; font-style: italic; }
.transition-solution { font-size: clamp(18px, 2.5vw, 22px); line-height: 1.55; color: var(--text); font-weight: 500; }
.transition-solution strong { background: linear-gradient(135deg, var(--indigo), var(--purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-weight: 800; }

.available { padding: 80px 0 100px; background: var(--bg); }
.available-inner { max-width: 600px; margin: 0 auto; text-align: center; }
.available-inner .section-title { margin-bottom: 32px; }
.available-grid { display: flex; flex-direction: column; gap: 14px; text-align: left; margin-bottom: 36px; }
.available-item { display: flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 500; color: var(--text); }
.available-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.how { padding: 100px 0; background: var(--surface); }
.how .section-title { margin-bottom: 48px; }
.how-steps { display: flex; flex-direction: column; gap: 0; max-width: 640px; }
.how-step { display: flex; gap: 20px; padding: 28px 0; border-bottom: 1px solid rgba(226,232,240,.4); }
.how-step:last-child { border-bottom: none; }
.step-num { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--indigo), var(--purple)); color: #fff; font-size: 13px; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 4px 12px rgba(15,111,191,.3); }
.step-detail h3 { font-size: 17px; font-weight: 700; letter-spacing: -.015em; margin-bottom: 6px; }
.step-detail p { font-size: 14.5px; line-height: 1.65; color: var(--text-2); }

.privacy { padding: 80px 0; background: var(--bg); }
.privacy-inner { max-width: 540px; margin: 0 auto; text-align: center; }
.privacy-lead { font-size: 17px; line-height: 1.6; color: var(--text-2); margin-bottom: 32px; }
.privacy-list { display: flex; flex-direction: column; gap: 12px; text-align: left; }
.privacy-item { display: flex; align-items: center; gap: 12px; font-size: 14.5px; font-weight: 500; color: var(--text); background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-sm); padding: 14px 18px; backdrop-filter: blur(6px); }

.why-broken { padding: 100px 0; background: var(--surface); }
.why-broken .section-title { margin-bottom: 48px; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.why-card { background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 26px; backdrop-filter: blur(8px); transition: transform var(--transition), box-shadow var(--transition); }
.why-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.why-card h4 { font-size: 14.5px; font-weight: 700; letter-spacing: -.01em; margin-bottom: 8px; line-height: 1.3; }
.why-card p { font-size: 13.5px; line-height: 1.6; color: var(--text-2); }

.signup { padding: 100px 0; background: radial-gradient(ellipse at 50% 0%, rgba(238,242,255,.5) 0%, transparent 50%), var(--surface); }

.signup-inner { max-width: 560px; margin: 0 auto; }
.signup-lead { text-align: center; margin-bottom: 40px; }
.section-sub-center { font-size: 17px; line-height: 1.65; color: var(--text-2); max-width: 520px; margin: 0 auto; }
.signup-form { text-align: left; background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 32px; backdrop-filter: blur(10px); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group:last-of-type { margin-bottom: 16px; }
.form-group label { font-size: 13.5px; font-weight: 600; color: var(--text); }
.label-optional { color: var(--muted); font-weight: 400; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 14px; font-size: 14.5px; font-family: inherit; background: rgba(255,255,255,.8); border: 1.5px solid var(--border-solid); border-radius: var(--radius-sm); color: var(--text); transition: border-color var(--transition), box-shadow var(--transition); outline: none; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--indigo); box-shadow: 0 0 0 4px rgba(15,111,191,.08); }
.form-group textarea { resize: vertical; min-height: 80px; }
/* Tally embed reuses the .signup-form glass card. The embed is loaded with
   transparentBackground=1 so the card shows through instead of a white block. */
.signup-form-embed { padding: 24px; }
.signup-form-embed iframe { display: block; width: 100%; border: 0; }
.form-noscript { font-size: 14px; line-height: 1.6; color: var(--text-2); text-align: center; }
.form-noscript a { color: var(--indigo); font-weight: 600; text-decoration: underline; }
.form-success { text-align: center; padding: 40px 20px; }
.form-success svg { margin: 0 auto 16px; }
.form-success h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.form-success p { font-size: 15px; color: var(--text-2); }

.footer { padding: 60px 0 0; background: var(--bg); border-top: 1px solid var(--border-solid); }
.footer-inner { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 32px; padding-bottom: 40px; }
.footer-brand { max-width: 300px; }
.footer-logo { margin-bottom: 12px; }
.footer-tagline { font-size: 14px; color: var(--text-2); line-height: 1.6; margin-bottom: 10px; }
.footer-email { font-size: 13.5px; color: var(--indigo); font-weight: 500; }
.footer-email:hover { text-decoration: underline; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 14px; color: var(--text-2); transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }
.footer-socials { display: flex; gap: 12px; }
.social-link { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border-solid); display: flex; align-items: center; justify-content: center; color: var(--text-2); transition: all var(--transition); }
.social-link:hover { border-color: var(--indigo); color: var(--indigo); background: rgba(15,111,191,.06); box-shadow: 0 0 16px rgba(15,111,191,.1); }
.footer-bottom { padding: 20px 24px; border-top: 1px solid var(--border-solid); text-align: center; }
.footer-bottom p { font-size: 13px; color: var(--muted); }



/* =========================================
   ANIMATIONS & RESPONSIVE
   ========================================= */
.fade-in { opacity: 0; transform: translateY(24px); animation: fadeUp .8s ease-out forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease-out, transform .6s ease-out; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero { padding: 140px 0 70px; }
  .hero-stats { padding: 36px 28px; }
  .stat-divider { margin: 0 24px; height: 70px; }
  .stat-value { font-size: 52px; }
  .complexity-controls { grid-template-columns: 1fr; gap: 20px; }
  .complexity-viz { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(250,251,255,.95); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-solid); box-shadow: var(--shadow); padding: 16px 24px; gap: 6px; }
  .nav-links.open li { width: 100%; }
  .nav-links.open .nav-login { display: block; text-align: center; margin-top: 10px; margin-left: 0; }
  .nav-links.open .nav-cta { display: block; text-align: center; margin-top: 8px; }
  .nav-hamburger { display: flex; }
  .hero { padding: 120px 0 56px; }
  .hero-stats { flex-direction: column; padding: 36px 24px; gap: 0; border-radius: var(--radius-lg); }
  .stat-divider { width: 50%; height: 1px; margin: 24px auto; }
  .stat-value { font-size: 48px; }
  .hero-context { font-size: 17px; }
  .hero-pills { gap: 8px; }
  .hero-pill { font-size: 12px; padding: 7px 12px; }
  .orb-1 { width: 300px; height: 300px; }
  .orb-2 { width: 250px; height: 250px; }
  .orb-3 { width: 200px; height: 200px; }
  .thread-wrapper { padding: 20px; }
  .thread-meta { flex-direction: column; gap: 2px; }
  .thread-time { margin-left: 0; }
  .title-single { white-space: normal; }
  .form-row { grid-template-columns: 1fr; }
  .signup-form { padding: 24px; }
  .why-grid { grid-template-columns: 1fr; }
  .available-cta { flex-direction: column; }
  .available-cta .btn { width: 100%; justify-content: center; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { align-items: center; }
  .footer-brand { text-align: center; }
}



/* =========================================
   PRICING
   ========================================= */
.pricing { padding: 100px 0; background: var(--bg); }
.pricing-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.pricing-sub { font-size: 17px; color: var(--text-2); margin-bottom: 48px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: left; }
.pricing-card { background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 32px; backdrop-filter: blur(8px); transition: transform var(--transition), box-shadow var(--transition); position: relative; }
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card-featured { border-color: var(--indigo); box-shadow: var(--shadow), 0 0 40px rgba(15,111,191,.08); }
.pricing-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--indigo), var(--purple)); color: #fff; font-size: 11px; font-weight: 700; padding: 4px 14px; border-radius: 100px; letter-spacing: .03em; }
.pricing-tier { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.pricing-price { margin-bottom: 24px; }
.price-amount { font-size: 36px; font-weight: 800; letter-spacing: -.03em; color: var(--text); }
.price-period { font-size: 14px; color: var(--muted); font-weight: 500; margin-left: 2px; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-features li { font-size: 14px; color: var(--text-2); padding-left: 20px; position: relative; }
.pricing-features li::before { content: ''; position: absolute; left: 0; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, rgba(15,111,191,.2), rgba(104,88,200,.15)); }

/* =========================================
   FAQ
   ========================================= */
.faq { padding: 100px 0; background: var(--surface); }
.faq-inner { max-width: 680px; margin: 0 auto; }
.faq-inner .section-title { text-align: center; margin-bottom: 48px; }
.faq-inner .section-label { display: block; text-align: center; }
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item { border-bottom: 1px solid var(--border-solid); }
.faq-item:first-child { border-top: 1px solid var(--border-solid); }
.faq-item summary { font-size: 15.5px; font-weight: 600; color: var(--text); padding: 20px 0; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; transition: color var(--transition); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 20px; font-weight: 300; color: var(--muted); transition: transform var(--transition); }
.faq-item[open] summary::after { content: '−'; color: var(--indigo); }
.faq-item[open] summary { color: var(--indigo); }
.faq-item p { font-size: 14.5px; line-height: 1.7; color: var(--text-2); padding: 0 0 20px; }
.faq-item a { color: var(--indigo); text-decoration: underline; }

@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
}



/* =========================================
   HOW IT WORKS — Horizontal layout
   ========================================= */
.how-steps-horizontal { display: flex; align-items: flex-start; gap: 0; justify-content: center; }
.how-step-h { flex: 1; text-align: center; padding: 0 16px; }
.step-icon-wrap { width: 52px; height: 52px; border-radius: 16px; background: var(--glass); border: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; backdrop-filter: blur(6px); }
.step-num-h { font-size: 11px; font-weight: 700; color: var(--indigo); margin-bottom: 8px; letter-spacing: .05em; }
.how-step-h h3 { font-size: 15px; font-weight: 700; letter-spacing: -.01em; margin-bottom: 6px; }
.how-step-h p { font-size: 13px; line-height: 1.55; color: var(--text-2); }
.step-arrow { display: flex; align-items: center; padding-top: 24px; flex-shrink: 0; }

@media (max-width: 900px) {
  .how-steps-horizontal { flex-direction: column; gap: 24px; align-items: stretch; }
  .how-step-h { text-align: left; display: flex; gap: 14px; align-items: flex-start; padding: 0; }
  .how-step-h .step-icon-wrap { margin: 0; flex-shrink: 0; }
  .step-arrow { display: none; }
}

/* =========================================
   WHY BROKEN — Icons
   ========================================= */
.why-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--glass); border: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }

/* =========================================
   PRICING — Single card
   ========================================= */
.pricing-single { max-width: 420px; margin: 0 auto; }
.pricing-desc { font-size: 15px; color: var(--text-2); line-height: 1.6; margin-bottom: 24px; }
.pricing-note { font-size: 13px; color: var(--muted); text-align: center; margin-top: 16px; font-style: italic; }



/* =========================================
   PRICING — Billing Toggle + Single Plan
   ========================================= */
.billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--bg);
  border: 1px solid var(--border-solid);
  border-radius: 100px;
  padding: 4px;
  margin: 0 auto 40px;
  width: fit-content;
}

.billing-btn {
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 100px;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  background: none;
}
.billing-btn:hover { color: var(--text); }
.billing-btn.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 2px 8px rgba(15,23,42,.06);
}

.billing-badge {
  font-size: 10.5px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--indigo), var(--purple));
  color: #fff;
  padding: 3px 8px;
  border-radius: 100px;
  letter-spacing: .02em;
}

.pricing-billed {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 6px;
  transition: opacity var(--transition);
}

.pricing-savings {
  font-size: 13px;
  font-weight: 600;
  color: #059669;
  background: #ECFDF5;
  display: inline-block;
  padding: 3px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
  transition: opacity var(--transition), transform var(--transition);
}

.pricing-savings.hidden { opacity: 0; transform: translateY(-4px); pointer-events: none; }
.pricing-billed.hidden { opacity: 0; }

.price-amount {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--text);
  transition: all var(--transition);
}