/* AlphaMakers — one stylesheet for the whole site.
   Modern product-marketing system: heavy tight display sans, a vivid teal brand, pill buttons,
   tinted icon tiles, soft elevated cards and light tinted section bands. */

:root {
  /* Ink */
  --ink:        #0b1220;
  --ink-soft:   #1c2736;
  --body:       #47546b;
  --muted:      #6b7891;

  /* Surfaces */
  --bg:         #ffffff;
  --bg-soft:    #f6f8fb;
  --line:       #e7ecf1;
  --line-2:     #d7dfe8;

  /* Brand — vivid teal */
  --brand:      #0d9488;
  --brand-600:  #0b8078;
  --brand-700:  #0a6a63;
  --brand-400:  #2fb3a5;
  --brand-tint: #e6f5f3;
  --brand-tint2:#f2faf9;

  /* Accents */
  --navy:       #0b1220;
  --green:      #12a150;
  --green-tint: #e7f7ee;
  --violet:     #6366f1;
  --violet-tint:#eef0fe;

  /* Depth */
  --sh-xs: 0 1px 2px rgba(11,18,32,.05);
  --sh-sm: 0 1px 3px rgba(11,18,32,.06), 0 1px 2px rgba(11,18,32,.04);
  --sh-md: 0 8px 24px rgba(11,18,32,.07), 0 2px 6px rgba(11,18,32,.04);
  --sh-lg: 0 24px 60px rgba(11,18,32,.10), 0 8px 24px rgba(11,18,32,.05);
  --sh-xl: 0 40px 90px rgba(11,18,32,.14), 0 12px 32px rgba(11,18,32,.07);
  --sh-brand: 0 12px 30px rgba(13,148,136,.26);

  /* Radii */
  --r-sm: 12px;
  --r:    16px;
  --r-lg: 22px;
  --r-xl: 30px;

  /* Type */
  --display: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sans:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --maxw: 1200px;
  --nav-h: 74px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

h1, h2, h3, h4 {
  font-family: var(--display);
  color: var(--ink);
  font-weight: 800;
  margin: 0;
  line-height: 1.08;
}

h1 { font-size: clamp(2.5rem, 5.4vw, 4.15rem); letter-spacing: -0.032em; }
h2 { font-size: clamp(1.95rem, 3.8vw, 3rem); letter-spacing: -0.028em; }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.35rem); letter-spacing: -0.018em; line-height: 1.25; }
h4 { font-size: 1.05rem; letter-spacing: -0.01em; line-height: 1.3; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--brand-600); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brand-700); }

strong, b { color: var(--ink-soft); font-weight: 600; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.lead { font-size: 1.2rem; line-height: 1.6; color: var(--body); }

/* ---------- Eyebrow ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand-600);
  margin: 0 0 16px;
}
.eyebrow::before { content: ""; width: 18px; height: 1.5px; background: var(--brand-400); flex: none; }

/* ---------- Chip ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--sh-xs);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: .84rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); flex: none; }
.chip .pill {
  background: var(--brand-tint);
  color: var(--brand-700);
  font-weight: 600;
  font-size: .76rem;
  padding: 2px 9px;
  border-radius: 100px;
}

/* ---------- Header ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-head .wrap { height: var(--nav-h); display: flex; align-items: center; gap: 28px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand:hover { color: var(--ink); }
.brand .mark {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand-400), var(--brand-700));
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
}
.brand .mark::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #fff; }

.site-nav { margin-left: auto; display: flex; align-items: center; gap: 30px; }
.site-nav a { font-size: .95rem; font-weight: 500; color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover { color: var(--brand-600); }
.site-nav a.btn { color: #fff; }
.site-nav a.btn:hover { color: #fff; }

@media (max-width: 860px) { .site-nav { gap: 18px; } .site-nav .hide-sm { display: none; } }
@media (max-width: 560px) { .site-nav .hide-xs { display: none; } }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--sans);
  font-size: .97rem;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: 100px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.btn svg { width: 16px; height: 16px; flex: none; }

.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--sh-brand); }
.btn-primary:hover { background: var(--brand-600); color: #fff; transform: translateY(-1px); }

.btn-ghost { border-color: var(--line-2); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink-soft); color: var(--ink); }

.btn-sm { padding: 9px 18px; font-size: .9rem; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .97rem;
  color: var(--brand-600);
  text-decoration: none;
}
.arrow-link svg { width: 15px; height: 15px; transition: transform .16s ease; }
.arrow-link:hover svg { transform: translateX(3px); }

/* ---------- Icon tiles ---------- */

.tile {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--brand-tint);
  color: var(--brand-600);
  flex: none;
}
.tile svg { width: 20px; height: 20px; }
.tile.green  { background: var(--green-tint);  color: var(--green); }
.tile.violet { background: var(--violet-tint); color: var(--violet); }
.tile.sm { width: 36px; height: 36px; border-radius: 10px; }
.tile.sm svg { width: 17px; height: 17px; }

/* ---------- Sections ---------- */

section { padding: 96px 0; }
section.tight { padding: 56px 0; }
section.soft { background: var(--bg-soft); }

.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head p { margin-top: 18px; }

@media (max-width: 720px) { section { padding: 64px 0; } .section-head { margin-bottom: 36px; } }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 84px 0 96px;
  overflow: hidden;
}
/* Radial, not a rectangle inset from the left — an inset gradient leaves a hard vertical seam
   down the middle of the hero. */
.hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 78%;
  height: 150%;
  background:
    radial-gradient(ellipse 52% 44% at 58% 42%, rgba(13,148,136,.13), rgba(13,148,136,0) 68%),
    radial-gradient(ellipse 44% 38% at 84% 16%, rgba(99,102,241,.10), rgba(99,102,241,0) 66%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 52%;
  height: 620px;
  background-image:
    linear-gradient(to right, rgba(11,18,32,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11,18,32,.045) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 20%, transparent 75%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }

.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero h1 { margin: 22px 0 22px; }
.hero .lead { max-width: 520px; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-proof {
  margin-top: 38px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: .92rem;
}
.hero-proof .divider { width: 1px; height: 18px; background: var(--line-2); }

@media (max-width: 980px) {
  .hero { padding: 56px 0 64px; }
  .hero::before, .hero::after { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero .lead { max-width: none; }
}

/* ---------- Interviewer demo card ---------- */

.demo-wrap { position: relative; }

.demo {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xl);
  /* Extra bottom padding so the overlapping chip lands on empty card, never on a bubble. */
  padding: 22px 22px 52px;
}
.demo-head { display: flex; align-items: center; gap: 13px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.demo-head .who { font-family: var(--display); font-weight: 800; font-size: 1rem; color: var(--ink); letter-spacing: -.02em; }
.demo-head .status { display: flex; align-items: center; gap: 7px; font-size: .84rem; color: var(--muted); margin-top: 2px; }
.demo-head .status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); flex: none; }

.demo-body { display: flex; flex-direction: column; gap: 12px; padding-top: 18px; }
.bubble { max-width: 90%; font-size: .94rem; line-height: 1.55; padding: 12px 16px; border-radius: 16px; }
.bubble.them { background: var(--bg-soft); color: var(--ink-soft); border-bottom-left-radius: 5px; align-self: flex-start; }
.bubble.you { background: var(--brand); color: #fff; border-bottom-right-radius: 5px; align-self: flex-end; }

.float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 11px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--sh-lg);
  padding: 12px 16px;
}
.float .t { font-family: var(--display); font-weight: 800; font-size: .92rem; color: var(--ink); letter-spacing: -.015em; }
.float .s { font-size: .8rem; color: var(--muted); line-height: 1.35; }
.float.tr { top: -26px; right: -34px; }
.float.bl { bottom: -26px; left: -40px; }

@media (max-width: 1080px) { .float.tr { right: -12px; } .float.bl { left: -12px; } }
@media (max-width: 620px) {
  .float { position: static; margin-top: 14px; box-shadow: var(--sh-sm); }
  .demo-wrap { display: flex; flex-direction: column; }
}

/* ---------- Step cards ---------- */

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px 28px;
  box-shadow: var(--sh-sm);
  transition: box-shadow .18s ease, transform .18s ease;
}
.card:hover { box-shadow: var(--sh-md); transform: translateY(-2px); }
.card .step-n {
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand-600);
  display: block;
  margin-bottom: 18px;
}
.card .tile { margin-bottom: 20px; }
.card h3 { margin-bottom: 10px; }
.card p { font-size: .97rem; }

.center-link { text-align: center; margin-top: 40px; }

@media (max-width: 900px) { .cards-3 { grid-template-columns: 1fr; gap: 18px; } }

/* ---------- Split feature ---------- */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 40px; } }

/* ---------- Feature list ---------- */

.flist { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
.flist li { display: flex; gap: 16px; align-items: flex-start; }
.flist .t { font-family: var(--display); font-weight: 800; font-size: 1.02rem; color: var(--ink); letter-spacing: -.015em; margin-bottom: 3px; }
.flist p { font-size: .96rem; margin: 0; }

/* ---------- Stack panel (timeline) ---------- */

.panel {
  background: linear-gradient(160deg, var(--brand-tint2), #fff 70%);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 26px;
  box-shadow: var(--sh-md);
  display: grid;
  gap: 14px;
}
.row {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--sh-xs);
}
.row .t { font-family: var(--display); font-weight: 800; font-size: .97rem; color: var(--ink); letter-spacing: -.015em; }
.row .s { font-size: .84rem; color: var(--muted); line-height: 1.4; }
.row .tag {
  margin-left: auto;
  background: var(--green-tint);
  color: #0a7a3c;
  font-size: .76rem;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: 100px;
  flex: none;
}

/* ---------- Participant band ---------- */

.band {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-md);
  padding: 34px 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}
.band .txt { flex: 1 1 380px; }
.band h3 { margin-bottom: 8px; }
.band p { font-size: .97rem; }

@media (max-width: 620px) { .band { padding: 26px 22px; } }

/* ---------- FAQ ---------- */

.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  margin-bottom: 12px;
  box-shadow: var(--sh-xs);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 52px 20px 24px;
  position: relative;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.04rem;
  letter-spacing: -.015em;
  color: var(--ink);
  line-height: 1.4;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 24px; top: 50%;
  width: 9px; height: 9px;
  margin-top: -7px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .18s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq .answer { padding: 0 24px 22px; font-size: .98rem; }

/* ---------- CTA band ---------- */

.cta {
  position: relative;
  background: var(--navy);
  border-radius: var(--r-xl);
  padding: 68px 56px;
  text-align: center;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 0%, rgba(13,148,136,.32), transparent 70%);
  pointer-events: none;
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; max-width: 18ch; margin: 0 auto; }
.cta p { color: rgba(255,255,255,.7); margin: 20px auto 0; max-width: 56ch; }
.cta .btn-primary { margin-top: 32px; background: #fff; color: var(--ink); box-shadow: none; }
.cta .btn-primary:hover { background: var(--bg-soft); color: var(--ink); }

@media (max-width: 620px) { .cta { padding: 44px 24px; } }

/* ---------- Prose (legal + long-form) ---------- */

.prose { max-width: 720px; }
.prose h2 { font-size: 1.5rem; margin: 48px 0 16px; letter-spacing: -.02em; }
.prose h2:first-of-type { margin-top: 0; }
.prose h3 { font-size: 1.06rem; margin: 28px 0 10px; }
.prose ul { margin: 0 0 1.1em; padding-left: 20px; }
.prose li { margin-bottom: .55em; }
.prose .updated { font-size: .88rem; color: var(--muted); margin-bottom: 40px; }
.prose .quote {
  background: var(--bg-soft);
  border-left: 3px solid var(--brand-400);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 22px 26px;
  margin: 0 0 20px;
}
.prose .quote p { font-size: 1rem; color: var(--ink-soft); }

/* ---------- Page hero (inner pages) ---------- */

.page-hero { padding: 72px 0 56px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.2rem); margin-bottom: 18px; }
.page-hero p { font-size: 1.15rem; color: var(--muted); max-width: 640px; }

/* ---------- Contact form ---------- */

.form { max-width: 540px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .88rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  padding: 12px 14px;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--brand-400); outline-offset: -1px; border-color: var(--brand-400); }
.field textarea { min-height: 150px; resize: vertical; }
.form-msg { font-size: .94rem; margin-top: 16px; min-height: 1.4em; }
.form-msg.ok { color: var(--brand-700); }
.form-msg.err { color: #b3261e; }

/* ---------- Tabs ---------- */

.tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.tab {
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  padding: 10px 22px;
  cursor: pointer;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.tab:hover { border-color: var(--brand-400); color: var(--brand-700); }
.tab[aria-selected="true"] { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: var(--sh-brand); }
.tab-panel[hidden] { display: none; }

/* ---------- Scroll reveal ----------
   Every rule here is scoped to `.js`, which a one-line inline script in <head> sets on <html>
   before first paint. That inversion is deliberate: hiding unconditionally means a visitor with
   JavaScript blocked or broken gets a page stuck at opacity 0 — no FAQ, no footer, no link to the
   privacy notice. Content is visible by default; the animation is the opt-in. */

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(.22,.61,.36,1), transform .6s cubic-bezier(.22,.61,.36,1); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal.d1 { transition-delay: .08s; }
.js .reveal.d2 { transition-delay: .16s; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .reveal.in { opacity: 1; transform: none; transition: none; }
}

/* ---------- Footer ---------- */

.site-foot { background: var(--navy); color: rgba(255,255,255,.62); padding: 64px 0 34px; font-size: .93rem; }
.site-foot .brand { color: #fff; }
.site-foot a { color: rgba(255,255,255,.72); text-decoration: none; font-weight: 500; }
.site-foot a:hover { color: #fff; }

.foot-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; }
.foot-brand p { margin: 18px 0 0; max-width: 34ch; font-size: .92rem; line-height: 1.6; }
.foot-brand .tagline { margin-top: 14px; color: rgba(255,255,255,.38); font-size: .86rem; }

.foot-col h4 { font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.45); margin-bottom: 16px; }
.foot-col a { display: block; margin-bottom: 11px; font-weight: 400; }

.foot-base {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-size: .86rem;
  color: rgba(255,255,255,.42);
}
.foot-base .addr { margin-left: auto; }

@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: 34px; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } .foot-base .addr { margin-left: 0; } }

/* ---------- Small content helpers ----------
   These replace the only four inline styles in the markup. */

.note { margin-top: 28px; font-size: .92rem; color: var(--muted); max-width: 520px; }
.note-tight { margin-top: 20px; }
.lead-spaced { margin-top: 20px; }
.flist-spaced { margin-top: 34px; }

/* ---------- Utilities ---------- */

.skip { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 100; }
.skip:focus { left: 0; color: #fff; }