/* ============================================================
   INVESTOPEDIC — editorial / cinematic finance
   Cool slate atmosphere · sage accent · mono labels · grotesque heads
   ============================================================ */

:root{
  /* palette */
  --bg:        oklch(0.962 0.006 240);
  --bg-panel:  oklch(0.992 0.003 240);
  --bg-tint:   oklch(0.935 0.008 238);
  --ink:       oklch(0.235 0.014 252);
  --ink-soft:  oklch(0.455 0.014 252);
  --ink-faint: oklch(0.615 0.012 250);
  --line:      oklch(0.885 0.008 250);
  --line-soft: oklch(0.915 0.006 250);

  /* dark sections */
  --slate:     oklch(0.255 0.02 252);
  --slate-2:   oklch(0.205 0.02 254);
  --on-slate:  oklch(0.93 0.008 240);
  --on-slate-soft: oklch(0.72 0.012 245);

  /* accent (tweakable) — deep/ink derive from base */
  --accent:      #9bcfb4;
  --accent-deep: color-mix(in oklch, var(--accent), black 44%);
  --accent-ink:  color-mix(in oklch, var(--accent), black 64%);

  /* type */
  --font-display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* rhythm */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 76px);
  --motion: 1; /* tweakable multiplier */
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; scroll-behavior:smooth; }
body{
  font-family:var(--font-display);
  background:var(--bg);
  color:var(--ink);
  line-height:1.5;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; }
/* user-dropped photos rendered semi-transparent (tweakable) */
image-slot::part(image){ opacity: var(--img-opacity, 0.4); }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; cursor:pointer; background:none; border:none; }
::selection{ background:var(--accent); color:var(--accent-ink); }

/* ---------- shared atoms ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }

.kicker{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--accent-deep);
  display:inline-flex;
  align-items:center;
  gap:0.9em;
  font-weight:500;
  white-space:nowrap;
}
.kicker::before{
  content:"";
  width:34px; height:1px;
  background:var(--accent-deep);
  opacity:0.8;
}
.kicker.bare::before{ display:none; }
.on-dark .kicker, .kicker.on-dark{ color:var(--accent); }
.on-dark .kicker::before, .kicker.on-dark::before{ background:var(--accent); }

h1,h2,h3,h4{ font-weight:700; letter-spacing:-0.028em; line-height:1.04; text-wrap:balance; }
.display{ font-size:clamp(2.7rem, 6.2vw, 5.4rem); line-height:0.98; letter-spacing:-0.035em; }
.h2{ font-size:clamp(2rem, 3.8vw, 3.4rem); letter-spacing:-0.03em; }
.h3{ font-size:clamp(1.35rem, 2vw, 1.85rem); letter-spacing:-0.022em; }
.lede{ font-size:clamp(1.02rem, 1.25vw, 1.22rem); line-height:1.55; color:var(--ink-soft); max-width:46ch; text-wrap:pretty; }
.mono{ font-family:var(--font-mono); }
.muted{ color:var(--ink-soft); }

/* buttons */
.btn{
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  padding:0.92em 1.5em;
  border-radius:8px;
  display:inline-flex; align-items:center; gap:0.7em;
  border:1px solid transparent;
  transition:transform .35s cubic-bezier(.2,.8,.2,1), background .3s, color .3s, border-color .3s;
  white-space:nowrap;
}
.btn .arrow{ transition:transform .35s cubic-bezier(.2,.8,.2,1); }
.btn:hover .arrow{ transform:translateX(4px); }
.btn-accent{ background:var(--accent); color:var(--accent-ink); }
.btn-accent:hover{ transform:translateY(-2px); box-shadow:0 12px 30px -12px var(--accent); }
.btn-ghost{ border-color:var(--line); color:var(--ink); background:var(--bg-panel); }
.btn-ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }
.btn-onslate{ border-color:color-mix(in oklch, var(--on-slate) 26%, transparent); color:var(--on-slate); }
.btn-onslate:hover{ border-color:var(--accent); color:var(--accent); }

/* ---------- reveal motion (JS-driven; inline styles win) ---------- */
.reveal{ will-change:opacity, transform; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1 !important; transform:none !important; filter:none !important; }
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:80;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px var(--gutter);
  background:color-mix(in oklch, var(--bg) 62%, transparent);
  backdrop-filter:blur(18px) saturate(1.4);
  border-bottom:1px solid transparent;
  transition:background .4s, border-color .4s, padding .4s;
}
.nav.scrolled{
  background:color-mix(in oklch, var(--bg-panel) 80%, transparent);
  border-bottom-color:var(--line-soft);
  padding-top:10px; padding-bottom:10px;
}
.brand{ display:flex; align-items:center; gap:11px; }
.brand .mark{
  width:34px; height:34px; border-radius:9px;
  background:linear-gradient(150deg, var(--accent-deep), var(--accent));
  display:grid; place-items:center;
  box-shadow:inset 0 1px 0 color-mix(in oklch, white 40%, transparent);
}
.brand .mark i{
  width:11px; height:11px; display:block;
  background:var(--bg-panel);
  transform:rotate(45deg);
  border-radius:2px;
}
.brand .word{ font-size:1.32rem; font-weight:700; letter-spacing:-0.04em; }
.nav-links{ display:flex; gap:34px; }
.nav-links a{
  font-family:var(--font-mono); font-size:0.82rem; letter-spacing:0.02em;
  color:var(--ink-soft); position:relative; padding:4px 0;
  transition:color .25s;
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:-1px; height:1.5px; width:0;
  background:var(--accent-deep); transition:width .3s cubic-bezier(.2,.8,.2,1);
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a:hover::after{ width:100%; }
.nav-right{ display:flex; align-items:center; gap:14px; }
@media (max-width: 860px){ .nav-links{ display:none; } }

/* ============================================================
   HERO (shared)
   ============================================================ */
.hero{ position:relative; isolation:isolate; }
/* atmospheric blurred mesh bg */
.atmos{ position:absolute; inset:0; z-index:-2; overflow:hidden; background:var(--bg-tint); }
.atmos::before{
  content:""; position:absolute; inset:-30%;
  background:
    radial-gradient(38% 48% at 20% 28%, color-mix(in oklch, var(--accent) 52%, transparent), transparent 70%),
    radial-gradient(46% 56% at 80% 22%, oklch(0.5 0.07 248 / 0.6), transparent 72%),
    radial-gradient(52% 62% at 62% 90%, oklch(0.38 0.05 256 / 0.55), transparent 72%),
    radial-gradient(42% 52% at 10% 84%, oklch(0.66 0.05 196 / 0.5), transparent 70%);
  filter:blur(58px) saturate(1.15);
  animation:drift calc(28s / var(--motion, 1)) ease-in-out infinite alternate;
}
.atmos::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, transparent 60%, var(--bg) 99%);
}
@keyframes drift{
  0%{ transform:translate3d(0,0,0) scale(1); }
  100%{ transform:translate3d(-3%,-2%,0) scale(1.08); }
}
.grain{
  position:absolute; inset:0; z-index:-1; pointer-events:none; opacity:0.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
.no-grain .grain{ display:none; }

/* ---- Direction A : Editorial Split ---- */
.hero-a{ min-height:100svh; display:flex; align-items:center; padding:120px 0 70px; }
.hero-a .wrap{ display:grid; grid-template-columns:1.05fr 0.95fr; gap:clamp(28px,5vw,70px); align-items:center; }
.hero-a .copy{ max-width:600px; }
.hero-a .copy .display{ margin:22px 0 26px; }
.hero-a .actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:34px; }
.hero-frame{
  position:relative; border-radius:16px; overflow:hidden;
  aspect-ratio:4/4.6; box-shadow:0 40px 80px -40px oklch(0.3 0.03 250 / 0.5);
  will-change:transform;
}
.hero-frame image-slot{ width:100%; height:100%; }
.hero-frame .tag{
  position:absolute; left:14px; bottom:14px; z-index:3;
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.14em; text-transform:uppercase;
  color:white; background:oklch(0.2 0.02 250 / 0.55); backdrop-filter:blur(6px);
  padding:7px 11px; border-radius:6px; border:1px solid oklch(1 0 0 / 0.14);
  white-space:nowrap;
}
.f-media .tag{
  color:white; background:oklch(0.2 0.02 250 / 0.5); backdrop-filter:blur(6px);
  padding:7px 11px; border-radius:6px; border:1px solid oklch(1 0 0 / 0.14); white-space:nowrap;
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.14em; text-transform:uppercase;
}
@media (max-width: 900px){
  .hero-a .wrap{ grid-template-columns:1fr; }
  .hero-frame{ aspect-ratio:16/12; order:-1; }
}

/* ---- Direction B : Centered Statement (full-bleed image) ---- */
.hero-b{ min-height:100svh; display:grid; place-items:center; text-align:center; padding:140px 0 90px; position:relative; }
.hero-b .bleed{ position:absolute; inset:0; z-index:-1; overflow:hidden; background:var(--slate-2); }
.hero-b .bleed image-slot{ width:100%; height:100%; }
.hero-b .bleed::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, oklch(0.18 0.02 252/0.55), oklch(0.16 0.02 252/0.78));
}
.hero-b .copy{ max-width:20ch; margin-inline:auto; color:var(--on-slate); }
.hero-b .display{ margin:26px 0 22px; color:white; }
.hero-b .lede{ color:var(--on-slate-soft); margin-inline:auto; max-width:52ch; }
.hero-b .actions{ display:flex; gap:14px; justify-content:center; margin-top:38px; flex-wrap:wrap; }
.hero-b .kicker{ color:var(--accent); }
.hero-b .kicker::before{ background:var(--accent); }

/* ---- Direction C : Type-forward Index ---- */
.hero-c{ min-height:100svh; display:flex; flex-direction:column; justify-content:center; padding:150px 0 60px; }
.hero-c .mega{
  font-size:clamp(2.4rem, 8vw, 8.6rem); line-height:0.88; letter-spacing:-0.045em; font-weight:700;
  margin:18px 0 0; max-width:100%; padding-right:clamp(8px, 3vw, 48px); overflow-wrap:break-word;
}
.hero-c .mega .ln{ display:block; overflow:hidden; }
.hero-c .mega em{ font-style:normal; color:var(--accent-deep); }
.hero-c .meta{
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
  margin-top:clamp(40px,6vw,72px); padding-top:26px; border-top:1px solid var(--line);
}
.hero-c .meta .cell .n{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.16em; color:var(--ink-faint); text-transform:uppercase; }
.hero-c .meta .cell .v{ font-size:1.05rem; margin-top:8px; color:var(--ink); font-weight:500; letter-spacing:-0.01em; }
.hero-c .actions{ display:flex; gap:14px; margin-top:38px; flex-wrap:wrap; }
@media (max-width: 760px){ .hero-c .meta{ grid-template-columns:repeat(2,1fr); } }

/* ============================================================
   FEATURES — numbered editorial split rows
   ============================================================ */
.section{ padding:clamp(80px,11vw,160px) 0; position:relative; }
.section-head{ display:flex; flex-direction:column; gap:20px; max-width:60ch; margin-bottom:clamp(48px,7vw,92px); }

.feature{
  display:grid; grid-template-columns:0.92fr 1.08fr; gap:clamp(30px,5vw,80px);
  align-items:center; padding:clamp(40px,6vw,72px) 0; border-top:1px solid var(--line);
}
.feature:nth-child(even) .f-media{ order:-1; }
.feature .f-num{ font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.16em; color:var(--accent-deep); }
.feature .f-text h3{ margin:18px 0 16px; }
.feature .f-text p{ color:var(--ink-soft); max-width:44ch; }
.f-list{ list-style:none; margin-top:26px; display:flex; flex-direction:column; gap:1px; }
.f-list li{
  font-family:var(--font-mono); font-size:0.82rem; color:var(--ink-soft);
  padding:13px 0; border-top:1px solid var(--line-soft); display:flex; gap:14px; align-items:baseline;
}
.f-list li::before{ content:attr(data-i); color:var(--accent-deep); font-size:0.72rem; }
.f-media{
  border-radius:14px; overflow:hidden; aspect-ratio:5/4;
  box-shadow:0 30px 60px -36px oklch(0.3 0.03 250 / 0.45); position:relative;
}
.f-media image-slot{ width:100%; height:100%; }
@media (max-width: 820px){
  .feature{ grid-template-columns:1fr; gap:28px; }
  .feature:nth-child(even) .f-media{ order:0; }
}

/* ============================================================
   STATS BAND (dark)
   ============================================================ */
.band{ background:var(--slate); color:var(--on-slate); position:relative; overflow:hidden; }
.band::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(60% 120% at 85% 0%, color-mix(in oklch, var(--accent) 22%, transparent), transparent 60%);
  pointer-events:none;
}
.band .wrap{ position:relative; }
.stat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:color-mix(in oklch, var(--on-slate) 12%, transparent); border:1px solid color-mix(in oklch, var(--on-slate) 12%, transparent); border-radius:14px; overflow:hidden; }
.stat{ background:var(--slate); padding:clamp(28px,3.5vw,44px); }
.stat .v{ font-size:clamp(2.4rem,4.5vw,3.6rem); font-weight:700; letter-spacing:-0.04em; line-height:1; }
.stat .v .suf{ color:var(--accent); }
.stat .l{ font-family:var(--font-mono); font-size:0.74rem; letter-spacing:0.06em; color:var(--on-slate-soft); margin-top:14px; line-height:1.5; }
@media (max-width: 820px){ .stat-grid{ grid-template-columns:repeat(2,1fr); } }

/* ============================================================
   PRICING
   ============================================================ */
.price-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; align-items:stretch; }
.tier{
  background:var(--bg-panel); border:1px solid var(--line); border-radius:16px;
  padding:clamp(26px,3vw,38px); display:flex; flex-direction:column;
  transition:transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s, border-color .4s;
}
.tier:hover{ transform:translateY(-6px); box-shadow:0 30px 60px -34px oklch(0.3 0.03 250 / 0.4); border-color:var(--ink-faint); }
.tier.featured{ background:var(--slate); color:var(--on-slate); border-color:transparent; }
.tier.featured .t-price{ color:white; }
.tier.featured .t-desc, .tier.featured .t-feat li{ color:var(--on-slate-soft); }
.tier.featured .t-feat li{ border-top-color:color-mix(in oklch,var(--on-slate) 16%,transparent); }
.tier.featured .t-feat li::before{ color:var(--accent); }
.t-name{ font-family:var(--font-mono); font-size:0.8rem; letter-spacing:0.14em; text-transform:uppercase; display:flex; justify-content:space-between; align-items:center; }
.t-badge{ white-space:nowrap; font-size:0.62rem; color:var(--accent-ink); background:var(--accent); padding:4px 9px; border-radius:20px; letter-spacing:0.1em; }
.t-price{ font-size:clamp(2.2rem,3.2vw,2.9rem); font-weight:700; letter-spacing:-0.035em; margin:24px 0 6px; }
.t-price .per{ font-size:0.92rem; font-weight:400; color:var(--ink-faint); letter-spacing:0; font-family:var(--font-mono); }
.tier.featured .t-price .per{ color:var(--on-slate-soft); }
.t-desc{ color:var(--ink-soft); font-size:0.95rem; min-height:3em; }
.t-feat{ list-style:none; margin:24px 0 30px; display:flex; flex-direction:column; flex:1; }
.t-feat li{ font-size:0.9rem; padding:12px 0; border-top:1px solid var(--line-soft); display:flex; gap:11px; align-items:baseline; color:var(--ink-soft); }
.t-feat li::before{ content:"→"; color:var(--accent-deep); font-family:var(--font-mono); font-size:0.8rem; }
@media (max-width: 880px){ .price-grid{ grid-template-columns:1fr; max-width:440px; margin-inline:auto; } }

/* ============================================================
   FAQ
   ============================================================ */
.faq{ max-width:920px; margin-inline:auto; }
.faq-item{ border-top:1px solid var(--line); }
.faq-item:last-child{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; display:flex; align-items:center; gap:24px; text-align:left;
  padding:26px 4px; font-size:clamp(1.05rem,1.6vw,1.35rem); font-weight:500; letter-spacing:-0.02em;
}
.faq-q .qn{ font-family:var(--font-mono); font-size:0.8rem; color:var(--accent-deep); flex:none; padding-top:0.2em; }
.faq-q .qt{ flex:1; }
.faq-q .ic{ flex:none; width:22px; height:22px; position:relative; }
.faq-q .ic::before, .faq-q .ic::after{
  content:""; position:absolute; inset:0; margin:auto; background:var(--ink);
  transition:transform .35s cubic-bezier(.2,.8,.2,1), opacity .3s;
}
.faq-q .ic::before{ width:100%; height:1.5px; }
.faq-q .ic::after{ width:1.5px; height:100%; }
.faq-item.open .ic::after{ transform:rotate(90deg); opacity:0; }
.faq-a{ overflow:hidden; height:0; transition:height .4s cubic-bezier(.2,.8,.2,1); }
.faq-a .inner{ padding:0 60px 28px 60px; color:var(--ink-soft); max-width:64ch; line-height:1.62; }
@media (max-width:600px){ .faq-a .inner{ padding-left:4px; } }

/* ============================================================
   CTA + FOOTER
   ============================================================ */
.cta{ background:var(--slate-2); color:var(--on-slate); text-align:center; position:relative; overflow:hidden; }
.cta .atmos{ z-index:0; opacity:0.5; }
.cta .wrap{ position:relative; z-index:1; padding-block:clamp(80px,11vw,150px); }
.cta .display{ color:white; margin:22px auto 30px; max-width:16ch; }
.cta .actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

.footer{ background:var(--bg-panel); border-top:1px solid var(--line); padding:clamp(56px,7vw,90px) 0 40px; }
.foot-top{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:40px; }
.foot-brand .word{ font-size:1.32rem; font-weight:700; letter-spacing:-0.04em; }
.foot-brand p{ color:var(--ink-soft); margin-top:16px; max-width:30ch; font-size:0.95rem; }
.foot-col h5{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.16em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:18px; }
.foot-col a{ display:block; color:var(--ink-soft); font-size:0.95rem; padding:7px 0; transition:color .2s; }
.foot-col a:hover{ color:var(--accent-deep); }
.foot-bottom{ display:flex; justify-content:space-between; align-items:center; gap:18px; margin-top:clamp(48px,7vw,80px); padding-top:26px; border-top:1px solid var(--line); flex-wrap:wrap; }
.foot-bottom .fine{ font-family:var(--font-mono); font-size:0.72rem; color:var(--ink-faint); letter-spacing:0.04em; }
@media (max-width: 820px){ .foot-top{ grid-template-columns:1fr 1fr; gap:34px; } }