/* ============================================================
   ZYVOLABS — Data Governance Platform
   Light theme — base color #F3F4F6
   ============================================================ */

/* ── Reset & Variables ─────────────────────────────────────── */
:root {
  --primary:        #4f46e5;
  --primary-dark:   #3730a3;
  --primary-light:  #818cf8;
  --accent:         #06b6d4;
  --accent-glow:    #22d3ee;
  --surface:        #F1F4FC;
  --surface-light:  #FFFFFF;
  --surface-mid:    #E5E7EB;
  --text:           #1E293B;
  --text-muted:     #64748B;
  --text-dim:       #94A3B8;
  --card-bg:        #FFFFFF;
  --card-border:    #E5E7EB;
  --gradient-hero:  linear-gradient(135deg, #F1F4FC 0%, #EEF0FF 40%, #F1F4FC 100%);
  --gradient-card:  linear-gradient(145deg, #FFFFFF 0%, #F9FAFB 100%);
  --gradient-accent:linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  --radius:         12px;
  --radius-lg:      20px;
  --shadow:         0 4px 24px rgba(0,0,0,.06);
  --shadow-lg:      0 8px 40px rgba(0,0,0,.1);
  --shadow-glow:    0 0 30px rgba(79,70,229,.15);
  --transition:     .3s cubic-bezier(.4,0,.2,1);
  --font-sans:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', monospace;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
ul { list-style:none; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; position:relative; z-index:1; }

/* ── Utility ───────────────────────────────────────────────── */
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.text-center { text-align:center; }
.mx-auto { margin-left:auto; margin-right:auto; }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 { line-height:1.2; font-weight:700; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p  { font-size: 1.05rem; color: var(--text-muted); }
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 28px; border-radius:10px; font-weight:600;
  font-size:.95rem; cursor:pointer; border:none;
  transition:var(--transition); letter-spacing:.01em;
}
.btn-primary { background:var(--gradient-accent); color:#fff; box-shadow:var(--shadow-glow); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 0 40px rgba(79,70,229,.3); }
.btn-ghost { background:transparent; color:var(--text); border:1.5px solid var(--card-border); }
.btn-ghost:hover { border-color:var(--primary-light); background:rgba(79,70,229,.06); }
.btn-sm { padding:8px 18px; font-size:.85rem; }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position:fixed; top:0; left:0; right:0;
  z-index:1000; padding:14px 0; transition:var(--transition);
  background:rgba(255,255,255,.7);
  backdrop-filter:blur(18px) saturate(1.5);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);
  border-bottom:1px solid rgba(15,23,42,.06);
}
.navbar.scrolled {
  background:rgba(255,255,255,.88);
  box-shadow:0 4px 24px rgba(15,23,42,.07);
  border-bottom-color:rgba(15,23,42,.09);
}
.navbar-inner { display:flex; align-items:center; justify-content:space-between; gap:24px; }
.navbar-brand { display:flex; align-items:center; gap:10px; font-size:1.35rem; font-weight:800; flex-shrink:0; }
.nav-logo { height:52px; width:auto; object-fit:contain; transition:var(--transition); }
.navbar-brand:hover .nav-logo { transform:scale(1.03); }
.navbar-links { display:flex; align-items:center; gap:36px; margin-left:auto; }
.navbar-links a {
  font-size:.92rem; font-weight:500; color:var(--text-muted);
  transition:var(--transition); position:relative;
}
.navbar-links a:hover { color:var(--text); }
.navbar-links a::after {
  content:''; position:absolute; bottom:-4px; left:0;
  width:0; height:2px; background:var(--gradient-accent);
  transition:var(--transition); border-radius:1px;
}
.navbar-links a:hover::after { width:100%; }
.navbar-actions { display:flex; align-items:center; gap:12px; margin-left:auto; }
.navbar-actions::before {
  content:''; width:1px; height:22px; margin-right:6px;
  background:linear-gradient(180deg, transparent, rgba(15,23,42,.18), transparent);
}
.navbar-actions .btn-ghost { border-color:rgba(15,23,42,.12); background:transparent; }
.mobile-toggle { display:none; background:none; border:none; color:var(--text); font-size:1.5rem; cursor:pointer; }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position:relative; min-height:100vh; display:flex; align-items:center;
  background:var(--gradient-hero); overflow:hidden; padding-top:80px;
}
.hero::before {
  content:''; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(79,70,229,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,70,229,.06) 1px, transparent 1px);
  background-size:60px 60px;
  animation:gridMove 20s linear infinite;
}
@keyframes gridMove { 0%{transform:translate(0,0)} 100%{transform:translate(60px,60px)} }
.hero::after {
  content:''; position:absolute; top:-20%; right:-10%;
  width:700px; height:700px;
  background:radial-gradient(circle, rgba(79,70,229,.08) 0%, transparent 70%);
  pointer-events:none;
}
.hero-inner { position:relative; z-index:2; display:grid; grid-template-columns:0.95fr 1.05fr; gap:60px; align-items:center; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 16px; border-radius:20px;
  background:rgba(79,70,229,.08); border:1px solid rgba(79,70,229,.18);
  font-size:.8rem; font-weight:600; color:var(--primary); margin-bottom:20px;
}
.hero-badge .dot { width:6px; height:6px; border-radius:50%; background:var(--accent); animation:pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }
.hero h1 { margin-bottom:20px; }
.hero p { margin-bottom:32px; max-width:520px; font-size:1.15rem; }
.hero-actions { display:flex; gap:16px; flex-wrap:wrap; }

.hero-visual { position:relative; height:580px; }
.floating-card {
  position:absolute; background:var(--card-bg); border:1px solid var(--card-border);
  border-radius:16px; padding:22px 26px; box-shadow:var(--shadow-lg);
  animation:float 6s ease-in-out infinite;
}
.floating-card:nth-child(1) { top:0; left:0; width:310px; animation-delay:0s; }
.floating-card:nth-child(2) { top:42%; right:0; width:265px; animation-delay:1s; }
.floating-card:nth-child(3) { bottom:0; left:0; width:300px; animation-delay:2s; }
.floating-card:nth-child(4) { top:0; right:0; width:190px; animation-delay:.5s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.card-label { font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-dim); margin-bottom:10px; }
.card-icon { width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:12px; font-size:1.25rem; }
.card-title { font-size:1.05rem; font-weight:700; margin-bottom:6px; color:var(--text); }
.card-desc { font-size:.88rem; color:var(--text-dim); line-height:1.45; }
.card-bar { height:6px; border-radius:3px; background:var(--card-border); margin-top:14px; overflow:hidden; }
.card-bar-fill { height:100%; border-radius:2px; background:var(--gradient-accent); }

/* ── Section base ──────────────────────────────────────────── */
.section { padding:100px 0; position:relative; }
.section-header { text-align:center; max-width:650px; margin:0 auto 60px; }
.section-header p { margin-top:12px; }
.section-kicker {
  display:inline-flex; align-items:center; gap:6px;
  font-size:.8rem; font-weight:600; text-transform:uppercase;
  letter-spacing:.08em; color:var(--accent); margin-bottom:12px;
}

/* ── Logos / Trust Bar ─────────────────────────────────────── */
.logos-section { padding:60px 0; border-top:1px solid rgba(0,0,0,.06); border-bottom:1px solid rgba(0,0,0,.06); }
.logos-section p { text-align:center; font-size:.85rem; text-transform:uppercase; letter-spacing:.1em; color:var(--text-dim); margin-bottom:32px; }
.logos-grid { display:flex; justify-content:center; align-items:center; gap:48px; flex-wrap:wrap; opacity:.45; }
.logo-placeholder {
  width:120px; height:40px; border-radius:8px; background:var(--surface-mid);
  display:flex; align-items:center; justify-content:center;
  font-size:.7rem; font-weight:700; color:var(--text-muted); letter-spacing:.04em;
}

/* ── Feature Cards ─────────────────────────────────────────── */
.feature-card {
  background:var(--card-bg); border:1px solid var(--card-border);
  border-radius:var(--radius-lg); padding:32px 28px;
  transition:var(--transition); position:relative; overflow:hidden; box-shadow:var(--shadow);
}
.feature-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:var(--gradient-accent); opacity:0; transition:var(--transition);
}
.feature-card:hover { transform:translateY(-6px); border-color:rgba(79,70,229,.25); box-shadow:var(--shadow-glow); }
.feature-card:hover::before { opacity:1; }
.feature-icon {
  width:52px; height:52px; border-radius:14px; display:flex; align-items:center;
  justify-content:center; font-size:1.4rem; margin-bottom:20px;
  background:rgba(79,70,229,.08); border:1px solid rgba(79,70,229,.15);
}
.feature-card h3 { margin-bottom:10px; color:var(--text); }
.feature-card p { font-size:.92rem; line-height:1.55; }

/* ── Benefits (stats + cards) ─────────────────────────────── */
.benefits-row { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.stats-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.stat-card {
  text-align:center; padding:28px 16px; background:var(--card-bg);
  border:1px solid var(--card-border); border-radius:var(--radius); box-shadow:var(--shadow);
}
.stat-number { font-size:2.2rem; font-weight:800; line-height:1; margin-bottom:6px; }
.stat-label { font-size:.82rem; color:var(--text-dim); }
.benefit-list { display:flex; flex-direction:column; gap:20px; }
.benefit-item {
  display:flex; gap:16px; padding:20px; border-radius:var(--radius);
  background:var(--card-bg); border:1px solid var(--card-border);
  transition:var(--transition); box-shadow:var(--shadow);
}
.benefit-item:hover { border-color:rgba(79,70,229,.25); background:rgba(79,70,229,.03); }
.benefit-icon-sm {
  flex-shrink:0; width:40px; height:40px; border-radius:10px;
  background:rgba(6,182,212,.08); display:flex; align-items:center;
  justify-content:center; font-size:1.1rem;
}
.benefit-item h4 { margin-bottom:4px; color:var(--text); }
.benefit-item p { font-size:.88rem; }

/* ── AI Journey / Steps ────────────────────────────────────── */
.journey-section { background:linear-gradient(180deg, var(--surface) 0%, rgba(238,240,255,.5) 100%); }
.journey-timeline { position:relative; max-width:900px; margin:0 auto; }
.journey-timeline::before {
  content:''; position:absolute; left:50%; top:0; bottom:0; width:2px;
  background:linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
  transform:translateX(-50%); opacity:.2;
}
.journey-step {
  display:grid; grid-template-columns:1fr 1fr; gap:60px;
  margin-bottom:60px; align-items:center; position:relative;
}
.journey-step:nth-child(even) .journey-step-content { order:2; }
.journey-step:nth-child(even) .journey-step-visual { order:1; }
.step-number {
  position:absolute; left:50%; top:0; transform:translateX(-50%);
  width:40px; height:40px; border-radius:50%; background:var(--gradient-accent);
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:.9rem; color:#fff; box-shadow:var(--shadow-glow); z-index:2;
}
.journey-step-content h3 { margin-bottom:10px; color:var(--text); }
.journey-step-visual {
  background:var(--card-bg); border:1px solid var(--card-border);
  border-radius:var(--radius-lg); padding:24px; box-shadow:var(--shadow);
}
.visual-mock { border-radius:10px; overflow:hidden; background:var(--surface); border:1px solid var(--card-border); }
.mock-header { display:flex; gap:6px; padding:10px 14px; background:rgba(0,0,0,.04); }
.mock-dot { width:8px; height:8px; border-radius:50%; }
.mock-dot:nth-child(1) { background:#ef4444; }
.mock-dot:nth-child(2) { background:#f59e0b; }
.mock-dot:nth-child(3) { background:#22c55e; }
.mock-body { padding:16px; }
.mock-line { height:8px; border-radius:4px; background:rgba(0,0,0,.06); margin-bottom:10px; }
.mock-line.short { width:60%; }
.mock-line.accent-line { background:var(--gradient-accent); width:80%; }
.mock-block { height:40px; border-radius:8px; background:rgba(79,70,229,.05); border:1px solid rgba(79,70,229,.1); margin-bottom:8px; }

/* ── Connectors / Integrations ────────────────────────────── */
.connectors-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(130px, 1fr)); gap:16px; }
.connector-tile {
  background:var(--card-bg); border:1px solid var(--card-border);
  border-radius:var(--radius); padding:24px 16px; text-align:center;
  transition:var(--transition); cursor:pointer; box-shadow:var(--shadow);
}
.connector-tile:hover { border-color:rgba(79,70,229,.25); transform:translateY(-3px); box-shadow:var(--shadow-glow); }
.connector-icon { width:56px; height:56px; border-radius:14px; margin:0 auto 14px; display:flex; align-items:center; justify-content:center; background:#fff; border:1px solid var(--card-border); }
.connector-icon img { width:30px; height:30px; object-fit:contain; }
.connector-tile span { font-size:.82rem; font-weight:600; color:var(--text); }

/* ── CTA / End Section ─────────────────────────────────────── */
.cta-section { text-align:center; }
.cta-card {
  background:var(--card-bg); border:1px solid var(--card-border);
  border-radius:var(--radius-lg); padding:60px 40px; max-width:700px;
  margin:0 auto; position:relative; overflow:hidden; box-shadow:var(--shadow-lg);
}
.cta-card::before {
  content:''; position:absolute; top:-50%; left:-50%;
  width:200%; height:200%;
  background:radial-gradient(circle at center, rgba(79,70,229,.05) 0%, transparent 50%);
  pointer-events:none;
}
.cta-card h2 { margin-bottom:16px; position:relative; z-index:1; }
.cta-card p { margin-bottom:32px; position:relative; z-index:1; }
.cta-actions { position:relative; z-index:1; display:flex; justify-content:center; gap:16px; }

/* ── Footer ────────────────────────────────────────────────── */
.footer { border-top:1px solid rgba(0,0,0,.06); padding:60px 0 30px; background:var(--surface); }
.footer-grid { display:grid; grid-template-columns:2fr repeat(3,1fr); gap:40px; margin-bottom:40px; }
.footer-brand p { margin-top:12px; font-size:.88rem; max-width:300px; }
.footer-col h5 { font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-dim); margin-bottom:16px; }
.footer-col a { display:block; font-size:.9rem; color:var(--text-muted); padding:4px 0; transition:var(--transition); }
.footer-col a:hover { color:var(--text); transform:translateX(4px); }
.footer-bottom {
  border-top:1px solid rgba(0,0,0,.06); padding-top:24px;
  display:flex; justify-content:space-between; align-items:center;
  font-size:.82rem; color:var(--text-dim);
}
.footer-socials { display:flex; gap:16px; }
.footer-socials a {
  width:36px; height:36px; border-radius:10px; background:var(--card-bg);
  border:1px solid var(--card-border); display:flex; align-items:center;
  justify-content:center; font-size:.85rem; transition:var(--transition);
}
.footer-socials a:hover { border-color:var(--primary-light); background:rgba(79,70,229,.08); }

/* ── Watermark Signs ──────────────────────────────────────── */
/* Watermark — the logo photo with only its white background made
   transparent (colors unmodified). No filters, no blend modes.
   Spread across the page: one large + one small per section, both sides. */
.watermark {
  position:absolute; z-index:0; pointer-events:none;
  width:220px; height:auto;
  opacity:.65;
}
.watermark--hero { width:320px; }
.watermark--sm { width:150px; opacity:.5; }
/* Overlays: transparent-bg logo (base image pixels untouched, crisp edges)
   stamped OVER the content so it blends into the UI. */
.watermark--overlay { z-index:10; opacity:.35; }
.watermark--overlay-sm { z-index:10; opacity:.25; }

/* ── Pattern 1: Background Texturing ─────────────────────────
   SVG logo as background-image, scaled up (400%+) so only a
   portion of the mark shows behind each section, very faint. */
.section::before, .hero-texture {
  position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:url('images/watermark.svg');
  background-repeat:no-repeat;
  background-size:420%;
  opacity:.07;
}
.section::before { content:''; }
.hero-texture { z-index:1; background-size:450%; background-position:30% 25%; }
#features::before   { background-position:75% 15%; }
#benefits::before   { background-position:20% 75%; }
#journey::before    { background-position:70% 70%; }
#connectors::before { background-position:25% 25%; }
#cta::before        { background-position:50% 40%; }

/* ── Pattern 2: Blend-Mode Integration ───────────────────────
   soft-light makes the section's own background color bleed
   through the watermark dynamically. */
.section::before, .hero-texture { mix-blend-mode:soft-light; opacity:.07; }

/* ── Pattern 3: Fixed Framing ────────────────────────────────
   Fixed watermark pinned bottom-right of the viewport, fully
   non-interactive; overlay blend so whatever sits beneath it
   (cards, footer) tints it. */
.wm-fixed {
  position:fixed; bottom:5%; right:5%;
  width:200px; height:auto;
  z-index:90; pointer-events:none;
  opacity:.2;
  mix-blend-mode:overlay;
}

/* ── Animations on scroll ─────────────────────────────────── */
.reveal { opacity:0; transform:translateY(30px); transition:opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width:1024px) {
  .hero-inner { grid-template-columns:1fr; text-align:center; }
  .hero p { margin-left:auto; margin-right:auto; }
  .hero-actions { justify-content:center; }
  .hero-visual { height:500px; }
  .floating-card:nth-child(1) { width:300px; }
  .floating-card:nth-child(2) { width:260px; }
  .floating-card:nth-child(3) { width:310px; }
  .floating-card:nth-child(4) { width:190px; }
  .benefits-row { grid-template-columns:1fr; }
  .journey-step { grid-template-columns:1fr; gap:30px; }
  .journey-step::before { display:none; }
  .journey-timeline::before { left:20px; }
  .step-number { left:20px; transform:none; }
  .journey-step:nth-child(even) .journey-step-content { order:unset; }
  .journey-step:nth-child(even) .journey-step-visual { order:unset; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
  .navbar-links, .navbar-actions { display:none; }
  .mobile-toggle { display:block; }
  .grid-3, .grid-4 { grid-template-columns:repeat(2,1fr); }
  .stats-grid { grid-template-columns:repeat(3,1fr); gap:12px; }
  .hero-visual { height:300px; }
  .floating-card { display:none; }
  .floating-card:nth-child(1) { display:block; position:relative; top:0; left:0; width:100%; margin-bottom:16px; }
  .floating-card:nth-child(2) { display:block; position:relative; top:0; left:0; width:100%; margin-bottom:16px; }
  .floating-card:nth-child(3), .floating-card:nth-child(4) { display:none; }
  .hero-visual { height:auto; display:flex; flex-direction:column; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; gap:16px; }
}
@media (max-width:480px) {
  .grid-3, .grid-4 { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr; }
  .connectors-grid { grid-template-columns:repeat(2,1fr); }
  h1 { font-size:1.8rem; }
  h2 { font-size:1.5rem; }
}