/* ═══════════════════════════════════════════════════════════
   invoRiva — Landing Page  (home.css)
   Premium SaaS design — dark hero, light sections
═══════════════════════════════════════════════════════════ */

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

:root {
  --ink:      #0d0d0d;
  --ink2:     #1a1a2e;
  --cream:    #f7f4ef;
  --mid:      #6b6b6b;
  --accent:   #2563eb;
  --acc2:     #e8673b;
  --glow:     rgba(37,99,235,.4);
  --border-l: #e5e0d8;
  --font-s:   'DM Sans', system-ui, sans-serif;
  --font-d:   'DM Serif Display', Georgia, serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-s); background:#fff; color:var(--ink); overflow-x:hidden; }

/* ═══ NAV ═══════════════════════════════════════════════ */
.nav {
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:.9rem 4rem;
  background:rgba(13,13,13,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:padding .3s;
}
.nav-brand {
  display:flex; align-items:center; gap:.55rem; text-decoration:none;
}
.nav-mark {
  width:32px; height:32px; background:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-size:.9rem; color:#fff; flex-shrink:0;
}
.nav-name { font-family:var(--font-d); font-size:1.15rem; color:#fff; }
.nav-links { display:flex; gap:2rem; }
.nav-link {
  font-size:.82rem; color:rgba(255,255,255,.55);
  text-decoration:none; transition:color .2s;
}
.nav-link:hover { color:#fff; }
.nav-actions { display:flex; gap:.75rem; align-items:center; }
.nav-signin {
  font-size:.82rem; color:rgba(255,255,255,.6);
  text-decoration:none; padding:.4rem .85rem;
  border:1px solid rgba(255,255,255,.15);
  transition:all .2s;
}
.nav-signin:hover { color:#fff; border-color:rgba(255,255,255,.45); }
.nav-cta {
  background:var(--accent); color:#fff; font-size:.82rem; font-weight:600;
  text-decoration:none; padding:.45rem 1.1rem;
  display:inline-flex; align-items:center; gap:.35rem;
  transition:filter .2s;
}
.nav-cta:hover { filter:brightness(1.12); }

/* ═══ HERO ═══════════════════════════════════════════════ */
.hero {
  min-height:100vh;
  background:var(--ink);
  position:relative; overflow:hidden;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  padding:7rem 4rem 5rem;
  text-align:center;
}

/* Animated gradient mesh */
.hero-mesh {
  position:absolute; inset:0; pointer-events:none; overflow:hidden;
}
.hero-mesh::before {
  content:'';
  position:absolute; top:-30%; left:-20%;
  width:700px; height:700px;
  background:radial-gradient(circle, rgba(37,99,235,.28) 0%, transparent 60%);
  animation:drift1 12s ease-in-out infinite alternate;
}
.hero-mesh::after {
  content:'';
  position:absolute; bottom:-20%; right:-10%;
  width:500px; height:500px;
  background:radial-gradient(circle, rgba(26,26,46,.9) 0%, rgba(37,99,235,.15) 50%, transparent 70%);
  animation:drift2 15s ease-in-out infinite alternate;
}
@keyframes drift1 { from{transform:translate(0,0)} to{transform:translate(60px,40px)} }
@keyframes drift2 { from{transform:translate(0,0)} to{transform:translate(-40px,-30px)} }

/* Grid lines */
.hero-grid {
  position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:64px 64px;
}

/* Hero content */
.hero-content { position:relative; z-index:2; max-width:820px; }
.hero-badge {
  display:inline-flex; align-items:center; gap:.5rem;
  background:rgba(37,99,235,.18); border:1px solid rgba(37,99,235,.4);
  color:var(--acc2); font-size:.72rem; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase;
  padding:.35rem .9rem; margin-bottom:2rem;
  animation:fadeUp .6s ease both;
}
.hero-badge i { font-size:.75rem; }

.hero-title {
  font-family:var(--font-d);
  font-size:clamp(3rem,6vw,6rem);
  color:#fff; line-height:1.0; letter-spacing:-.04em;
  margin-bottom:1.5rem;
  animation:fadeUp .6s ease .1s both;
}
.hero-title em { font-style:italic; color:var(--accent); }

.hero-desc {
  font-size:clamp(.9rem,1.4vw,1.1rem);
  color:rgba(255,255,255,.5); line-height:1.8; max-width:540px;
  margin:0 auto 2.5rem;
  animation:fadeUp .6s ease .2s both;
}

.hero-btns {
  display:flex; gap:1rem; justify-content:center; flex-wrap:wrap;
  margin-bottom:4rem;
  animation:fadeUp .6s ease .3s both;
}
.hero-btn-primary {
  background:var(--accent); color:#fff;
  padding:.9rem 2.25rem; font-size:.9rem; font-weight:600;
  text-decoration:none; display:inline-flex; align-items:center; gap:.5rem;
  transition:filter .2s, transform .15s; letter-spacing:.03em;
}
.hero-btn-primary:hover { filter:brightness(1.1); transform:translateY(-2px); }
.hero-btn-ghost {
  background:rgba(255,255,255,.07); color:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.15);
  padding:.9rem 2.25rem; font-size:.9rem;
  text-decoration:none; display:inline-flex; align-items:center; gap:.5rem;
  transition:all .2s;
}
.hero-btn-ghost:hover { background:rgba(255,255,255,.12); color:#fff; border-color:rgba(255,255,255,.35); }

/* ── Dashboard mockup ── */
.hero-mockup {
  position:relative; z-index:2; width:100%; max-width:900px;
  animation:floatUp .8s ease .4s both;
}
@keyframes floatUp { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} }

.mockup-shell {
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:8px 8px 0 0; overflow:hidden;
  box-shadow:0 40px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.05);
}
.mockup-topbar {
  background:rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:.6rem 1rem; display:flex; align-items:center; gap:.5rem;
}
.m-dot { width:8px; height:8px; border-radius:50%; }
.m-dot.r{background:#ff5f57} .m-dot.y{background:#febc2e} .m-dot.g{background:#28c840}
.m-url {
  flex:1; background:rgba(255,255,255,.06); border-radius:3px;
  margin:0 .75rem; padding:.25rem .75rem; font-size:.65rem;
  color:rgba(255,255,255,.3); font-family:monospace;
}
.mockup-body { display:grid; grid-template-columns:180px 1fr; height:320px; }
.mockup-sidebar {
  background:rgba(13,13,13,.6); border-right:1px solid rgba(255,255,255,.07);
  padding:1rem 0;
}
.m-nav-item {
  padding:.45rem 1rem; font-size:.72rem;
  color:rgba(255,255,255,.35); display:flex; align-items:center; gap:.5rem;
}
.m-nav-item.active { background:rgba(37,99,235,.2); color:rgba(255,255,255,.85); }
.m-nav-item i { font-size:.8rem; }
.m-nav-sep { height:1px; background:rgba(255,255,255,.06); margin:.5rem 0; }
.mockup-main { padding:1.25rem; overflow:hidden; }
.m-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:.6rem; margin-bottom:.9rem; }
.m-stat {
  background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.07);
  padding:.6rem .75rem;
}
.m-stat-v { font-family:var(--font-d); font-size:1rem; color:#fff; }
.m-stat-l { font-size:.55rem; color:rgba(255,255,255,.35); text-transform:uppercase; letter-spacing:.07em; margin-top:.1rem; }
.m-chart-area {
  background:rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.07);
  padding:.75rem; display:flex; align-items:flex-end; gap:.3rem; height:130px;
}
.m-bar {
  flex:1; background:rgba(37,99,235,.35); border-top:2px solid var(--accent);
  position:relative; transition:height .3s;
}
.m-bar:hover { background:rgba(37,99,235,.55); }

/* ═══ LOGOS / TRUST BAR ═══════════════════════════════════ */
.trust-bar {
  background:var(--cream); border-top:1px solid var(--border-l);
  padding:1.75rem 4rem;
  display:flex; align-items:center; justify-content:center; gap:2rem;
  flex-wrap:wrap;
}
.trust-label {
  font-size:.72rem; font-weight:600; letter-spacing:.1em;
  text-transform:uppercase; color:var(--mid); white-space:nowrap;
}
.trust-pills { display:flex; gap:.75rem; flex-wrap:wrap; align-items:center; }
.trust-pill {
  background:#fff; border:1px solid var(--border-l);
  padding:.3rem .85rem; font-size:.75rem; color:var(--mid); display:flex; align-items:center; gap:.4rem;
}
.trust-pill i { color:var(--accent); }

/* ═══ FEATURES ═══════════════════════════════════════════ */
.features {
  background:#fff; padding:7rem 4rem;
}
.section-label {
  font-size:.7rem; font-weight:700; letter-spacing:.18em;
  text-transform:uppercase; color:var(--accent); margin-bottom:1rem;
  display:flex; align-items:center; gap:.6rem;
}
.section-label::before { content:''; width:2rem; height:1.5px; background:var(--accent); }
.section-title {
  font-family:var(--font-d); font-size:clamp(2rem,3.5vw,3.2rem);
  line-height:1.08; letter-spacing:-.03em; color:var(--ink);
  max-width:520px; margin-bottom:1rem;
}
.section-title em { font-style:italic; color:var(--accent); }
.section-sub { font-size:.92rem; color:var(--mid); line-height:1.75; max-width:460px; margin-bottom:4rem; }

.features-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--border-l); border:1px solid var(--border-l);
}
.feat-card {
  background:#fff; padding:2.5rem;
  transition:background .2s;
}
.feat-card:hover { background:var(--cream); }
.feat-num {
  font-family:var(--font-d); font-size:2.5rem; color:var(--border-l);
  line-height:1; margin-bottom:1.25rem; letter-spacing:-.04em;
}
.feat-icon {
  width:44px; height:44px; background:rgba(37,99,235,.1);
  display:flex; align-items:center; justify-content:center;
  color:var(--accent); font-size:1.1rem; margin-bottom:1.25rem;
}
.feat-h { font-family:var(--font-d); font-size:1.2rem; color:var(--ink); margin-bottom:.65rem; line-height:1.2; }
.feat-p { font-size:.85rem; color:var(--mid); line-height:1.75; }

/* ═══ HOW IT WORKS ════════════════════════════════════════ */
.how {
  background:var(--ink); padding:7rem 4rem; overflow:hidden;
}
.how .section-label { color:var(--acc2); }
.how .section-label::before { background:var(--acc2); }
.how .section-title { color:#fff; }
.how .section-sub { color:rgba(255,255,255,.45); }

.steps { display:grid; grid-template-columns:repeat(3,1fr); gap:2rem; position:relative; }
.steps::before {
  content:'';
  position:absolute; top:2rem; left:calc(16.67% + 1rem); right:calc(16.67% + 1rem);
  height:1px; background:linear-gradient(90deg, var(--accent), rgba(37,99,235,.2), var(--accent));
  pointer-events:none;
}
.step { position:relative; }
.step-num {
  width:40px; height:40px; background:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-d); font-size:1rem; color:#fff;
  margin-bottom:1.5rem;
}
.step-h { font-family:var(--font-d); font-size:1.1rem; color:#fff; margin-bottom:.6rem; }
.step-p { font-size:.83rem; color:rgba(255,255,255,.45); line-height:1.7; }

/* ═══ STATS ════════════════════════════════════════════════ */
.stats-section {
  background:var(--cream); padding:5rem 4rem;
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--border-l); border-bottom:1px solid var(--border-l);
  gap:1px; background-clip:padding-box;
}
.stat-cell { padding:2.5rem 2rem; text-align:center; background:var(--cream); }
.stat-num {
  font-family:var(--font-d); font-size:3rem; color:var(--ink);
  line-height:1; letter-spacing:-.05em; margin-bottom:.5rem;
}
.stat-num span { color:var(--accent); }
.stat-lbl { font-size:.75rem; color:var(--mid); text-transform:uppercase; letter-spacing:.1em; font-weight:600; }

/* ═══ CTA SECTION ════════════════════════════════════════ */
.cta {
  background:var(--accent); padding:6rem 4rem; text-align:center;
  position:relative; overflow:hidden;
}
.cta::before {
  content:'';
  position:absolute; top:-50%; right:-15%;
  width:500px; height:500px;
  background:radial-gradient(circle, rgba(255,255,255,.12) 0%, transparent 60%);
  pointer-events:none;
}
.cta-eyebrow {
  font-size:.7rem; font-weight:700; letter-spacing:.18em;
  text-transform:uppercase; color:rgba(255,255,255,.65); margin-bottom:1rem;
}
.cta-title {
  font-family:var(--font-d);
  font-size:clamp(2rem,4vw,3.5rem); color:#fff;
  line-height:1.05; letter-spacing:-.03em; margin-bottom:1rem;
}
.cta-sub { font-size:.95rem; color:rgba(255,255,255,.65); max-width:460px; margin:0 auto 2.5rem; line-height:1.75; }
.cta-btns { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
.cta-btn-dark {
  background:var(--ink); color:#fff; padding:.9rem 2.5rem;
  font-size:.9rem; font-weight:600; text-decoration:none;
  display:inline-flex; align-items:center; gap:.5rem;
  transition:background .2s;
}
.cta-btn-dark:hover { background:#333; }
.cta-btn-light {
  background:rgba(255,255,255,.15); color:#fff;
  border:1px solid rgba(255,255,255,.35);
  padding:.9rem 2.5rem; font-size:.9rem; text-decoration:none;
  display:inline-flex; align-items:center; gap:.5rem; transition:all .2s;
}
.cta-btn-light:hover { background:rgba(255,255,255,.25); }

/* ═══ FOOTER ═════════════════════════════════════════════ */
.footer {
  background:var(--ink); padding:3rem 4rem;
  display:flex; align-items:center; justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.08); flex-wrap:wrap; gap:1rem;
}
.footer-brand { font-family:var(--font-d); font-size:1.1rem; color:#fff; }
.footer-copy { font-size:.75rem; color:rgba(255,255,255,.3); }
.footer-links { display:flex; gap:1.5rem; }
.footer-links a { font-size:.75rem; color:rgba(255,255,255,.4); text-decoration:none; transition:color .2s; }
.footer-links a:hover { color:rgba(255,255,255,.8); }

/* ═══ ANIMATIONS ════════════════════════════════════════= */
@keyframes fadeUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }

.reveal { opacity:0; transform:translateY(28px); transition:opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity:1; transform:none; }

/* ═══ RESPONSIVE ════════════════════════════════════════= */
@media(max-width:1024px) {
  .features-grid { grid-template-columns:1fr 1fr; }
  .stats-section { grid-template-columns:repeat(2,1fr); }
  .steps { grid-template-columns:1fr; }
  .steps::before { display:none; }
  .mockup-body { grid-template-columns:1fr; }
  .mockup-sidebar { display:none; }
}
@media(max-width:768px) {
  .nav { padding:.9rem 1.5rem; }
  .nav-links { display:none; }
  .hero { padding:6rem 1.5rem 3rem; }
  .features, .how, .cta { padding:4rem 1.5rem; }
  .features-grid { grid-template-columns:1fr; }
  .stats-section { grid-template-columns:1fr 1fr; padding:2rem 1.5rem; }
  .trust-bar { padding:1.5rem; }
  .footer { padding:2rem 1.5rem; flex-direction:column; text-align:center; }
  .m-stats { grid-template-columns:repeat(2,1fr); }
}