/* ==========================================================================
   offer4 — TERMINAL / HUD fintech theme
   bg #0A0E0B · phosphor #00FF9C · amber #FFB000
   JetBrains Mono (UI) · Chakra Petch (display)
   ========================================================================== */

:root {
  --bg: #0A0E0B;
  --bg-raise: #0E1511;
  --bg-term: #0B110D;
  --ink: #C9F5DF;
  --ink-dim: #7FA893;
  --phosphor: #00FF9C;
  --phosphor-dim: #00C87A;
  --amber: #FFB000;
  --amber-dim: #CC8C00;
  --line: #1C2E24;
  --line-bright: #2E4A3A;
  --danger: #FF5C5C;
  --font-ui: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-display: 'Chakra Petch', 'JetBrains Mono', monospace;
  --glow: 0 0 12px rgba(0, 255, 156, .25);
  --radius: 6px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: clamp(.95rem, .9rem + .2vw, 1.05rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--phosphor); color: #04120B; }

.wrap { width: min(72rem, 100% - 2.5rem); margin-inline: auto; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

/* ---------- scanline overlay ---------- */
.scanlines {
  position: fixed; inset: 0; z-index: 999; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0 2px,
    rgba(0, 0, 0, .16) 2px 4px
  );
  mix-blend-mode: multiply;
  opacity: .55;
}
.scanlines::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, .5) 100%);
}

/* ---------- shared bits ---------- */
.prompt { color: var(--phosphor); font-weight: 700; }

.cursor {
  display: inline-block; width: .6ch; height: 1.15em;
  margin-left: 2px; vertical-align: text-bottom;
  background: var(--phosphor);
  box-shadow: var(--glow);
  animation: blink 1.06s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--phosphor);
  text-shadow: 0 0 18px rgba(0, 255, 156, .18);
  line-height: 1.2;
  letter-spacing: .01em;
}

a { color: var(--phosphor); text-decoration: none; }
a:hover { color: var(--amber); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px;
}

/* ---------- terminal window chrome ---------- */
.term {
  background: var(--bg-term);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px rgba(0, 255, 156, .04), 0 18px 50px rgba(0, 0, 0, .55), inset 0 0 60px rgba(0, 255, 156, .02);
  overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: .75rem;
  padding: .55rem .9rem;
  background: linear-gradient(180deg, #101B14, #0C130F);
  border-bottom: 1px solid var(--line);
  font-size: .78rem; color: var(--ink-dim);
  user-select: none;
}
.term-dots { display: inline-flex; gap: .45rem; }
.term-dots i {
  width: .68rem; height: .68rem; border-radius: 50%;
  background: var(--line-bright);
}
.term-dots i:nth-child(1) { background: #FF5F57; }
.term-dots i:nth-child(2) { background: var(--amber); }
.term-dots i:nth-child(3) { background: var(--phosphor-dim); }
.term-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.term-bar-meta { margin-left: auto; font-size: .7rem; opacity: .6; }
.term-body { padding: clamp(1.1rem, 2.5vw, 1.8rem); }

/* ---------- language banner ---------- */
.lang-banner {
  display: flex; align-items: center; flex-wrap: wrap; gap: .5rem .9rem;
  padding: .55rem 1.1rem;
  background: #101B14;
  border-bottom: 1px solid var(--line-bright);
  font-size: .82rem;
}
.lang-banner-prompt { color: var(--amber); font-weight: 700; }
.lang-banner-text { color: var(--ink); }
.lang-banner-link {
  color: var(--amber); border-bottom: 1px dashed var(--amber-dim);
  font-weight: 700;
}
.lang-banner-link:hover { color: var(--phosphor); border-color: var(--phosphor); }
.lang-banner-close {
  margin-left: auto; background: none; border: 1px solid var(--line-bright);
  color: var(--ink-dim); border-radius: 3px; cursor: pointer;
  font: inherit; line-height: 1; padding: .15rem .55rem;
}
.lang-banner-close:hover { color: var(--amber); border-color: var(--amber); }
.lang-banner.is-hidden { display: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 11, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; gap: 1rem;
  min-height: 3.9rem;
}
.brand {
  display: inline-flex; align-items: baseline; gap: .45rem;
  font-family: var(--font-display);
  font-size: 1.22rem; font-weight: 700; letter-spacing: .02em;
  color: var(--phosphor);
}
.brand:hover { color: var(--phosphor); }
.brand-prompt { color: var(--amber); }
.brand-cursor {
  width: .55ch; height: 1.05em; align-self: center;
  background: var(--phosphor); box-shadow: var(--glow);
  animation: blink 1.06s steps(1) infinite;
}
.site-nav {
  display: flex; align-items: center; gap: 1.15rem;
  margin-left: auto; font-size: .86rem;
}
.site-nav > a {
  color: var(--ink-dim); text-transform: uppercase; letter-spacing: .08em;
  padding-block: .3rem;
}
.site-nav > a::before { content: './'; color: var(--line-bright); }
.site-nav > a:hover { color: var(--phosphor); }
.site-nav > a:hover::before { color: var(--amber); }
.nav-cta {
  color: var(--amber) !important; border: 1px solid var(--amber-dim);
  border-radius: 3px; padding: .3rem .7rem !important;
}
.nav-cta::before { content: '' !important; }
.nav-cta:hover { background: var(--amber); color: #140D00 !important; }
.lang-switch {
  display: flex; gap: .15rem; margin-left: .6rem;
  border: 1px solid var(--line); border-radius: 3px; padding: .15rem;
}
.lang-switch a {
  padding: .12rem .42rem; border-radius: 2px;
  color: var(--ink-dim); font-size: .72rem; letter-spacing: .05em;
}
.lang-switch a:hover { color: var(--phosphor); background: var(--bg-raise); }
.lang-switch a.is-active { background: var(--phosphor); color: #04120B; font-weight: 700; }

.nav-toggle {
  display: none; margin-left: auto;
  background: none; border: 1px solid var(--line-bright); border-radius: 3px;
  width: 2.5rem; height: 2.3rem; cursor: pointer;
}
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block; width: 1.15rem; height: 2px; margin-inline: auto;
  background: var(--phosphor); position: relative;
  transition: transform .2s, opacity .2s;
}
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ''; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  padding: clamp(1.6rem, 4vw, 3.4rem) 0 clamp(2rem, 4vw, 3rem);
  background:
    radial-gradient(1000px 480px at 82% -10%, rgba(0, 255, 156, .07), transparent 60%),
    radial-gradient(700px 380px at 8% 12%, rgba(255, 176, 0, .05), transparent 60%),
    var(--bg);
}
.hero-kicker { color: var(--amber); font-size: .85rem; margin-bottom: 1rem; }
.hero-title {
  font-size: clamp(1.65rem, 1.1rem + 2.6vw, 3.1rem);
  min-height: 2.4em;
  margin-bottom: .9rem;
}
.hero-title::after {
  content: ''; display: inline-block;
  width: .55ch; height: .95em; margin-left: .15ch;
  background: var(--phosphor); box-shadow: var(--glow);
  vertical-align: -0.08em;
  animation: blink 1.06s steps(1) infinite;
}
.hero-typed {
  color: var(--ink); font-size: clamp(.98rem, .9rem + .5vw, 1.2rem);
  margin-bottom: 1.1rem;
}
.hero-typed .prompt { color: var(--amber); margin-right: .5ch; }
.hero-lead { color: var(--ink-dim); max-width: 62ch; margin-bottom: 1.6rem; }

/* answer-first block (LLM-extractable direct answer) */
.hero-answer {
  border-left: 3px solid var(--amber);
  background: rgba(255, 176, 0, .05);
  border-radius: 0 4px 4px 0;
  padding: .8rem 1rem;
  margin-bottom: 1.2rem;
  max-width: 68ch;
  color: var(--ink);
  font-size: .95rem;
}
.hero-answer-tag {
  display: block; margin-bottom: .3rem;
  color: var(--amber); font-size: .74rem; font-weight: 700; letter-spacing: .14em;
}

/* key-facts terminal block */
.facts-section { padding-bottom: clamp(2rem, 4vw, 3rem); }
.facts-code { font-size: .88rem; }
.facts-brace { display: block; color: var(--amber); font-weight: 700; }
.facts-grid { display: grid; gap: .3rem 2.4rem; padding-left: 1.3rem; }
.fact-row { display: grid; grid-template-columns: minmax(9ch, 13ch) 1fr; gap: .8rem; }
.fact-row dt { color: var(--phosphor); white-space: nowrap; }
.fact-row dd { color: var(--ink-dim); }
.fact-row dd::after { content: ','; }
.fact-row:last-child dd::after { content: ''; }
@media (min-width: 768px) {
  .facts-grid { grid-template-columns: 1fr 1fr; }
}
.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.hero-stat { background: var(--bg-raise); padding: .8rem 1rem; }
.hero-stat dd {
  font-family: var(--font-display); font-size: 1.45rem; font-weight: 700;
  color: var(--amber); text-shadow: 0 0 14px rgba(255, 176, 0, .25);
}
.hero-stat dt { order: 2; font-size: .74rem; color: var(--ink-dim); text-transform: uppercase; letter-spacing: .1em; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat dd { order: 1; }
.hero-stat dt { order: 2; }

.hero-grid {
  display: grid; gap: 1.4rem;
  margin-top: 1.4rem;
}
.hero-visual {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--bg-term);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .5);
  align-self: start;
}
.hero-visual img { display: block; width: 100%; height: auto; }

/* ---------- contact form (terminal session) ---------- */
.contact-intro { color: var(--ink-dim); font-size: .85rem; margin-bottom: 1rem; }
.form-status {
  border: 1px solid; border-radius: 3px;
  padding: .65rem .85rem; margin-bottom: 1rem;
  font-size: .86rem;
}
.form-status-success { color: var(--phosphor); border-color: var(--phosphor-dim); background: rgba(0, 255, 156, .06); }
.form-status-error { color: var(--amber); border-color: var(--amber-dim); background: rgba(255, 176, 0, .07); }
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.contact-form { position: relative; }
.field { margin-bottom: 1rem; }
.field label {
  display: block; margin-bottom: .35rem;
  font-size: .85rem; color: var(--phosphor);
}
.field input, .field textarea {
  width: 100%;
  background: #081009;
  border: 1px solid var(--line-bright); border-radius: 3px;
  color: var(--ink); font: inherit;
  padding: .6rem .75rem;
  caret-color: var(--phosphor);
  transition: border-color .15s, box-shadow .15s;
}
.field input::placeholder, .field textarea::placeholder { color: #3D5A4A; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--phosphor);
  box-shadow: 0 0 0 1px var(--phosphor-dim), var(--glow);
}
.field textarea { resize: vertical; min-height: 6.5rem; }
.btn-transmit {
  display: inline-block;
  background: transparent; color: var(--amber);
  border: 1px solid var(--amber); border-radius: 3px;
  font: 700 .95rem var(--font-ui); letter-spacing: .08em;
  padding: .7rem 1.5rem; cursor: pointer;
  text-shadow: 0 0 10px rgba(255, 176, 0, .35);
  transition: background .15s, color .15s, box-shadow .15s;
}
.btn-transmit:hover {
  background: var(--amber); color: #140D00;
  box-shadow: 0 0 24px rgba(255, 176, 0, .35);
}
.form-privacy { margin-top: .9rem; font-size: .74rem; color: var(--ink-dim); }

/* ---------- ticker ---------- */
.ticker {
  border-block: 1px solid var(--line);
  background: var(--bg-raise);
  overflow: hidden; padding: .5rem 0;
}
.ticker-track {
  display: inline-flex; gap: 2.6rem; white-space: nowrap;
  animation: ticker 46s linear infinite;
  will-change: transform;
}
.ticker-item { font-size: .78rem; color: var(--ink-dim); letter-spacing: .04em; }
.ticker-item i { color: var(--amber); font-style: normal; margin-right: .4ch; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.section { padding: clamp(2.6rem, 6vw, 4.6rem) 0; }
.section-alt { background: var(--bg-raise); border-block: 1px solid var(--line); }

.ascii-divider {
  display: flex; align-items: center; gap: .9rem;
  color: var(--line-bright); font-size: .8rem;
  margin-bottom: 2rem; user-select: none;
}
.ascii-divider span { flex: 1; overflow: hidden; white-space: nowrap; letter-spacing: .3em; }
.ascii-divider span:last-child { text-align: right; }
.ascii-divider b { color: var(--amber); font-weight: 700; letter-spacing: .15em; white-space: nowrap; }

.section-head { max-width: 62ch; margin-bottom: 2.2rem; }
.kicker { color: var(--amber); font-size: .88rem; margin-bottom: .6rem; }
.section-head h2 { font-size: clamp(1.4rem, 1.05rem + 1.7vw, 2.15rem); margin-bottom: .8rem; }
.section-lead { color: var(--ink-dim); }

.card-grid { display: grid; gap: 1.3rem; }
.card .term-body h3 { font-size: 1.08rem; margin-bottom: .6rem; }
.card .term-body p { color: var(--ink-dim); font-size: .92rem; }
.card { transition: border-color .2s, transform .2s, box-shadow .2s; }
.card:hover {
  border-color: var(--phosphor-dim);
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px rgba(0, 255, 156, .12), 0 22px 55px rgba(0, 0, 0, .6);
}

/* ---------- steps ---------- */
.steps { list-style: none; display: grid; gap: 1.3rem; counter-reset: step; }
.step {
  display: flex; gap: 1.2rem; align-items: flex-start;
  background: var(--bg-term); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
}
.step-n {
  font-family: var(--font-display); font-weight: 700; font-size: 1.5rem;
  color: var(--amber); text-shadow: 0 0 14px rgba(255, 176, 0, .3);
  border: 1px solid var(--amber-dim); border-radius: 4px;
  padding: .25rem .6rem; line-height: 1.1; flex-shrink: 0;
}
.step-body h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.step-body p { color: var(--ink-dim); font-size: .94rem; }

/* ---------- academy modules ---------- */
.module-grid { display: grid; gap: 1.3rem; }
.module {
  border: 1px solid var(--line); border-left: 3px solid var(--phosphor-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--bg-term); padding: 1.2rem 1.4rem;
}
.module h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.module-icon { color: var(--amber); margin-right: .4ch; }
.module p { color: var(--ink-dim); font-size: .94rem; }

/* ---------- reviews ---------- */
.aggregate {
  margin-top: 1rem; font-size: .95rem; color: var(--ink-dim);
}
.aggregate strong { color: var(--amber); }
.aggregate-stars, .review-stars { color: var(--amber); letter-spacing: .15em; text-shadow: 0 0 12px rgba(255, 176, 0, .35); }
.review-card blockquote p { color: var(--ink); font-size: .92rem; margin: .7rem 0 1rem; }
.review-card figcaption { font-size: .82rem; color: var(--ink-dim); display: grid; }
.review-card figcaption strong { color: var(--phosphor); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: .8rem; }
.faq-item {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-term);
}
.faq-item summary {
  display: flex; align-items: baseline; gap: .6rem;
  padding: 1rem 1.2rem; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: 600; color: var(--phosphor);
  font-size: .98rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-plus { margin-left: auto; color: var(--amber); font-family: var(--font-ui); font-size: .85rem; flex-shrink: 0; }
.faq-item[open] .faq-plus { color: var(--phosphor); }
.faq-item[open] { border-color: var(--phosphor-dim); }
.faq-answer {
  padding: 0 1.2rem 1.1rem 2.75rem;
  color: var(--ink-dim); font-size: .93rem;
}

/* ---------- CTA ---------- */
.cta-section { padding-bottom: clamp(3rem, 7vw, 5.5rem); }
.cta-term .term-body { text-align: center; padding-block: clamp(2rem, 5vw, 3.2rem); }
.cta-term h2 { font-size: clamp(1.4rem, 1.05rem + 1.8vw, 2.2rem); margin-bottom: .8rem; }
.cta-term p { color: var(--ink-dim); max-width: 52ch; margin: 0 auto 1.6rem; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: #080D0A;
  padding: clamp(2.2rem, 5vw, 3.4rem) 0 1.6rem;
}
.footer-grid { display: grid; gap: 2rem; }
.footer-tagline { color: var(--ink-dim); font-size: .88rem; margin-top: .9rem; max-width: 40ch; }
.footer-status {
  margin-top: 1.1rem; font-size: .74rem; letter-spacing: .1em; color: var(--phosphor-dim);
  display: flex; align-items: center; gap: .55rem;
}
.status-dot {
  width: .55rem; height: .55rem; border-radius: 50%;
  background: var(--phosphor); box-shadow: var(--glow);
  animation: blink 1.6s steps(1) infinite;
}
.footer-heading {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--amber); margin-bottom: .8rem; font-family: var(--font-ui); font-weight: 700;
}
.footer-nav, .footer-langs { display: grid; gap: .45rem; align-content: start; }
.footer-nav a, .footer-langs a { color: var(--ink-dim); font-size: .88rem; }
.footer-nav a:hover, .footer-langs a:hover { color: var(--phosphor); }
.footer-langs a.is-active { color: var(--phosphor); font-weight: 700; }
.footer-bottom {
  border-top: 1px solid var(--line); margin-top: 2.2rem; padding-top: 1.2rem;
  font-size: .78rem; color: var(--ink-dim);
  display: grid; gap: .4rem;
}

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
html.no-js .reveal { opacity: 1; transform: none; }

/* ---------- breakpoints ---------- */
@media (min-width: 640px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.2fr 1fr; }
  .footer-bottom { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step { flex-direction: column; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
@media (min-width: 1024px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-grid { grid-template-columns: 1.05fr 1fr; align-items: start; }
}

/* ---------- mobile nav ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #0B110D; border-bottom: 1px solid var(--line-bright);
    padding: .6rem 1.25rem 1rem;
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav > a { padding: .7rem 0; border-bottom: 1px solid var(--line); }
  .nav-cta { text-align: center; margin-top: .7rem; }
  .lang-switch { margin: .8rem 0 0; justify-content: center; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  .cursor, .brand-cursor, .status-dot, .hero-title::after { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .btn-transmit { transition: none; }
}