/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
img { display: block; max-width: 100%; }
a { color: inherit; }

/* Theme */
:root{
  --bg: #ffffff;
  --bg-muted: #f7f8fb;
  --text: #0f172a;          /* slate-900-ish */
  --text-muted: #475569;    /* slate-600-ish */
  --border: rgba(15, 23, 42, 0.10);

  --accent: #2f6fec;        /* brand blue */
  --accent-dark: #2458c0;

  --radius: 14px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);

  --max: 1120px;
  --pad: 24px;
  --transition: 180ms ease;
}

body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* Header */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand{ display:flex; align-items:center; gap: 10px; text-decoration:none; }
.brand-logo{ height: 38px; width: auto; margin-left: 24px; }

.nav{
  display: flex;
  gap: 18px;
  align-items: center;
  padding-right: 14px;
}

.nav-link{
  text-decoration: none;
  font-weight: 500;
  color: rgba(15, 23, 42, 0.78);
  transition: color var(--transition);
}
.nav-link:hover{ color: var(--text); }

/* Buttons */
.button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.button-sm{ padding: 10px 14px; font-size: 0.95rem; }
.button-lg{ padding: 14px 18px; font-size: 1.05rem; }

.button-primary{
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 20px rgba(47, 111, 236, 0.20);
}
.button-primary:hover{
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.button-secondary{
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.button-secondary:hover{
  border-color: rgba(47,111,236,0.35);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  transform: translateY(-1px);
}

/* Sections */
.section{ padding: 88px 0; }
.section-muted{ background: var(--bg-muted); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head{
  text-align: center;
  max-width: 760px;
  margin: 0 auto 36px;
}

.section-title{
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.section-subtitle{
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 1.08rem;
}

/* Hero */
.hero{
  position: relative;
  padding: 86px 0 70px;
  overflow: hidden;
}

/* subtle spreadsheet grid + blue glow */
.hero::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    radial-gradient(600px 300px at 60% 25%, rgba(47,111,236,0.20), transparent 60%),
    linear-gradient(to bottom, rgba(15,23,42,0.04) 1px, transparent 1px),
    linear-gradient(to right, rgba(15,23,42,0.04) 1px, transparent 1px);
  background-size: auto, 46px 46px, 46px 46px;
  pointer-events:none;
  opacity: 0.85;
}

.hero-inner{
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 34px;
  align-items: center;
}

.badge{
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  color: rgba(15, 23, 42, 0.5);
  background: rgba(255,255,255,0.8);
}

.hero-title{
  margin-top: 14px;
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.accent{ color: var(--accent); }

.hero-subtitle{
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 1.12rem;
  max-width: 42rem;
}

.hero-actions{
  margin-top: 32px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-row{
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(15, 23, 42, 0.80);
  font-weight: 600;
  flex-wrap: wrap;
}
.trust-dot{
  width: 4px; height: 4px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.30);
}

/* Hero visual mock */
.hero-visual{ display:flex; justify-content:flex-end; }
.mock-card{
  width: min(420px, 100%);
  background: rgba(255,255,255,0.85);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.mock-top{
  display:flex;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid var(--border);
}
.pill{
  width: 12px; height: 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.10);
}
.mock-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 16px;
}
.cell{
  height: 26px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15,23,42,0.05);
}
.cell-accent{
  background: rgba(47,111,236,0.16);
  border-color: rgba(47,111,236,0.25);
}
.mock-chat{
  padding: 16px;
  border-top: 1px solid var(--border);
  display:flex;
  flex-direction: column;
  gap: 10px;
}
.chat-line{
  height: 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
}
.w-55{ width: 55%; }
.w-70{ width: 70%; }
.w-90{ width: 90%; }

/* Cards */
.grid-3{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.card{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 1px 0 rgba(15,23,42,0.02);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.10);
  border-color: rgba(47,111,236,0.22);
}

.icon{
  width: 42px; height: 42px;
  border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(47,111,236,0.10);
  border: 1px solid rgba(47,111,236,0.18);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 12px;
}

.card-title{
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.card-text{
  margin-top: 8px;
  color: var(--text-muted);
}

/* About layout */
.two-col{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: start;
}

.bullets{
  list-style: none;
  margin-top: 18px;
  display:flex;
  flex-direction: column;
  gap: 10px;
  color: rgba(15, 23, 42, 0.80);
  font-weight: 600;
}
.check{
  display:inline-flex;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  align-items:center;
  justify-content:center;
  margin-right: 10px;
  background: rgba(47,111,236,0.12);
  color: var(--accent);
  border: 1px solid rgba(47,111,236,0.18);
  font-size: 0.9rem;
}

.info-panel{
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.info-kicker{
  font-weight: 800;
  color: rgba(15, 23, 42, 0.55);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
}
.info-title{
  margin-top: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  font-size: 1.15rem;
}
.info-body{
  margin-top: 10px;
  color: var(--text-muted);
}

/* CTA */
.cta{
  border-radius: 22px;
  border: 1px solid rgba(47,111,236,0.20);
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(255,255,255,0.25), transparent 60%),
    linear-gradient(135deg, rgba(47,111,236,1), rgba(36,88,192,1));
  padding: 28px;
  color: #fff;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 18px;
  box-shadow: 0 18px 55px rgba(47,111,236,0.22);
}

.cta-title{
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.cta-subtitle{
  margin-top: 10px;
  opacity: 0.92;
}

.cta-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button-invert{
  background: #fff;
  color: var(--accent-dark);
  border-color: rgba(255,255,255,0.25);
}
.button-invert:hover{ transform: translateY(-1px); }

.button-ghost{
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}
.button-ghost:hover{
  background: rgba(255,255,255,0.18);
  transform: translateY(-1px);
}

/* Footer */
.footer{
  padding: 56px 0 28px;
  border-top: 1px solid var(--border);
  background: #0b1220;
  color: rgba(255,255,255,0.92);
}

.footer-inner{
  display:flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-logo{ height: 32px; width: auto; filter: drop-shadow(0 6px 18px rgba(0,0,0,0.25)); }
.footer-tagline{ margin-top: 8px; color: rgba(255,255,255,0.65); }

.footer-links{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}
.footer-link{
  text-decoration: none;
  color: rgba(255,255,255,0.70);
}
.footer-link:hover{ color: #fff; }

.footer-bottom{
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.55);
  font-size: 0.92rem;
  text-align: center;
}

/* Accessibility */
:focus-visible{
  outline: 3px solid rgba(47,111,236,0.40);
  outline-offset: 3px;
  border-radius: 12px;
}

/* Responsive */
@media (max-width: 920px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ justify-content: flex-start; }
  .two-col{ grid-template-columns: 1fr; }
  .cta{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px){
  .nav-link{ display:none; }
  .nav .button{ display:inline-flex; }
  .section{ padding: 70px 0; }
  .grid-3{ grid-template-columns: 1fr; }
}

/* Smooth scroll */
html{ scroll-behavior: smooth; }