/* ==========================================================================
   DevForTrade.com — styles
   Brand tokens from the logo 2C design handoff.
   ========================================================================== */

:root {
  --red: #E11D2A;
  --red-deep: #B31420;
  --ink: #111111;
  --canvas: #EDEBE6;
  --paper: #F6F4EF;
  --gray: #B4AFA8;
  --gray-dk: #5B5B5B;
  --white: #FFFFFF;
  --ink-10: rgba(17, 17, 17, 0.10);
  --ink-15: rgba(17, 17, 17, 0.15);

  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;

  --radius: 12px;   /* logo bar radius */
  --radius-sm: 8px; /* logo small-bar radius */
  --header-h: 76px;
}

/* ---- fonts (self-hosted, latin subsets) -------------------------------- */
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("../assets/fonts/space-grotesk-var.woff2") format("woff2");
}
@font-face {
  font-family: "Space Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/space-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "Space Mono";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/space-mono-700.woff2") format("woff2");
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 { font-weight: 700; line-height: 1.08; margin: 0 0 0.6em; }
h1 { font-size: clamp(2.7rem, 7.5vw, 4.75rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.9rem, 4.4vw, 2.9rem); letter-spacing: -0.025em; max-width: 21ch; }
h3 { font-size: 1.125rem; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }
a { color: inherit; }

::selection { background: var(--red); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
  border-radius: 2px;
}

.wrap {
  width: min(100% - 2.5rem, 1120px);
  margin-inline: auto;
}
.wrap-narrow { max-width: 780px; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -3rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ink); color: var(--white);
  font-family: var(--font-mono); font-size: 0.8rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0; }

/* ---- eyebrows & tag chip motif ------------------------------------------ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.33em;
  text-transform: uppercase;
  color: var(--gray-dk);
  margin: 0 0 0.9rem;
}
.eyebrow::before { content: "// "; color: var(--red); letter-spacing: 0; }
.eyebrow-red { color: var(--gray); }

/* price-tag chip: pointed left end + punched hole */
.eyebrow-tag {
  display: inline-block;
  position: relative;
  margin: 0 0 1.4rem;
  padding: 0.5rem 1rem 0.5rem 1.9rem;
  background: var(--ink);
  color: var(--canvas);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  clip-path: polygon(0 50%, 16px 0, 100% 0, 100% 100%, 16px 100%);
}
.eyebrow-tag::before {
  content: "";
  position: absolute;
  left: 14px; top: 50%;
  width: 7px; height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--canvas);
}

/* ---- buttons ------------------------------------------------------------ */
.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease,
              border-color 0.15s ease, transform 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 0.95rem 1.9rem; font-size: 1.0625rem; }

.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-deep); }

.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--canvas); }

.btn-light { background: var(--white); color: var(--ink); }
.btn-light:hover { background: var(--canvas); }

/* ---- header ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--canvas);
  border-bottom: 1px solid var(--ink-10);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-h);
}
.brand img { height: 46px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 1.75rem; }
.site-nav ul {
  display: flex;
  gap: 1.6rem;
  margin: 0; padding: 0;
  list-style: none;
}
.site-nav ul a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  padding-block: 0.4rem;
}
.site-nav ul a:hover {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}
.nav-cta { font-size: 0.9rem; padding: 0.55rem 1.1rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  display: block;
  width: 24px; height: 2.5px;
  margin-inline: auto;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle-bars::before { position: absolute; top: -7px; }
.nav-toggle-bars::after { position: absolute; top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-7px) rotate(-45deg); }

/* ---- hero ----------------------------------------------------------------- */
.hero { padding: clamp(3.5rem, 9vh, 6.5rem) 0 clamp(3rem, 7vh, 5.5rem); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 2rem;
  align-items: start;
}
.hero h1 { max-width: 12ch; margin-bottom: 0.45em; }
.asterisk {
  color: var(--red);
  text-decoration: none;
}
.hero-sub {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--gray-dk);
  max-width: 52ch;
  margin-bottom: 1.8rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 1.6rem; }
.footnote {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gray-dk);
  margin: 0;
}
.footnote::first-letter { color: var(--red); }

.hero-tag { display: flex; justify-content: center; }
.hero-tag svg { width: min(78%, 270px); overflow: visible; }
.hang {
  transform-origin: 33px 0;
  animation: sway 5.5s ease-in-out infinite alternate;
}
@keyframes sway {
  from { transform: rotate(3.2deg); }
  to   { transform: rotate(-3.2deg); }
}

/* ---- ticker (signature) --------------------------------------------------- */
.ticker {
  background: var(--red);
  color: var(--white);
  overflow: hidden;
  padding: 0.85rem 0;
  border-block: 1px solid var(--red-deep);
}
.ticker-track {
  display: inline-flex;
  gap: 3.5rem;
  padding-right: 3.5rem;
  white-space: nowrap;
  animation: ticker 52s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.tk-arrow { opacity: 0.65; padding-inline: 0.35rem; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---- sections -------------------------------------------------------------- */
.section { padding: clamp(4rem, 10vh, 6.75rem) 0; }
.section-paper { background: var(--paper); }
.section-ink { background: var(--ink); color: var(--canvas); }

.section-sub {
  color: var(--gray-dk);
  max-width: 62ch;
  margin-bottom: 2.2rem;
}

/* ---- how it works ------------------------------------------------------------ */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem 1.75rem;
  margin: 2.75rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.step-num {
  display: inline-block;
  position: relative;
  margin-bottom: 0.9rem;
  padding: 0.32rem 0.85rem 0.32rem 1.55rem;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  clip-path: polygon(0 50%, 13px 0, 100% 0, 100% 100%, 13px 100%);
}
.step-num::before {
  content: "";
  position: absolute;
  left: 11px; top: 50%;
  width: 6px; height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--canvas);
}
.step h3 { margin-bottom: 0.4em; }
.step p { color: var(--gray-dk); font-size: 0.95rem; margin: 0; }

/* ---- what we build ------------------------------------------------------------ */
.build-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: 0.7rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}
.build-grid li {
  padding: 1rem 1.1rem;
  border: 1px solid var(--ink-15);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  background: var(--white);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.build-grid li:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--canvas);
}

/* ---- trade-for tag wall -------------------------------------------------------- */
.tag-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.tag-wall li {
  position: relative;
  padding: 0.55rem 1.05rem 0.55rem 1.8rem;
  background: var(--white);
  border: 1px solid var(--ink-15);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.01em;
  transition: background-color 0.15s ease, color 0.15s ease,
              border-color 0.15s ease, transform 0.15s ease;
}
.tag-wall li::before {
  content: "";
  position: absolute;
  left: 0.75rem; top: 50%;
  width: 7px; height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--canvas);
  border: 1px solid var(--ink-15);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.tag-wall li:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
  transform: rotate(-1.5deg);
}
.tag-wall li:hover::before { background: var(--white); border-color: var(--white); }

.tag-wall-note {
  margin: 2rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gray-dk);
}
.tag-wall-note::first-letter { color: var(--red); }

/* ---- why trade -------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 3rem;
  align-items: start;
}
.why-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.why-list li {
  padding: 1.3rem 0;
  border-top: 1px solid var(--ink-15);
  color: var(--gray-dk);
}
.why-list li:last-child { border-bottom: 1px solid var(--ink-15); }
.why-list strong { color: var(--ink); }

/* ---- equity callout ----------------------------------------------------------- */
.callout {
  background: var(--ink);
  padding: clamp(2.75rem, 7vh, 4rem) 0;
}
.callout-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.callout-text {
  margin: 0;
  color: var(--canvas);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  letter-spacing: -0.02em;
  line-height: 1.35;
  max-width: 34ch;
}

/* ---- FAQ ------------------------------------------------------------------------ */
.faq-list { margin-top: 2.25rem; border-bottom: 1px solid var(--ink-15); }
.faq-list details { border-top: 1px solid var(--ink-15); }
.faq-list summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0.2rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--red);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p {
  padding: 0 0.2rem 1.3rem;
  margin: 0;
  color: var(--gray-dk);
  max-width: 62ch;
}

/* ---- contact ------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 3.5rem;
  align-items: start;
}
.contact-lead p { color: var(--gray); max-width: 40ch; }
.contact-lead h2 { color: var(--white); }
.contact-email a {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}
.contact-email a:hover { color: var(--red); }

.contact-form { margin: 0; }
.field { margin: 0 0 1.1rem; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}
.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
}
.req { color: var(--red); }
.opt { text-transform: none; letter-spacing: 0.05em; opacity: 0.7; }

.field input,
.field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  background: #1c1c1c;
  border: 1px solid #3a3a3a;
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.45;
  transition: border-color 0.15s ease;
}
.field textarea { resize: vertical; min-height: 90px; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--red);
}
.field input::placeholder,
.field textarea::placeholder { color: #6f6f6f; }

.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

.form-actions { margin: 1.6rem 0 0; }
.form-status {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 1.4em;
  color: var(--gray);
}
.form-status.is-ok { color: #9fd8a4; }
.form-status.is-error { color: #ff8a93; }

/* ---- footer -------------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--gray);
  border-top: 1px solid #2a2a2a;
  padding: clamp(3rem, 7vh, 4.5rem) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer-brand img { height: 58px; width: auto; }
.footer-tagline {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.33em;
  text-transform: uppercase;
  color: var(--gray-dk);
}
.footer-col h3 {
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray-dk);
}
.footer-col ul { margin: 0; padding: 0; list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.95rem;
}
.footer-col a:hover { color: var(--white); }
.footer-legal {
  border-top: 1px solid #2a2a2a;
  padding-block: 1.4rem;
}
.footer-legal p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-dk);
}

/* ---- reveal on scroll ------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
/* if JS never runs, everything stays visible */
.no-js .reveal, html:not(.js) .reveal { opacity: 1; transform: none; }

/* ---- responsive -------------------------------------------------------------------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-tag { display: none; }
  .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .brand img { height: 38px; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--ink-10);
    padding: 0.5rem 1.25rem 1.25rem;
    box-shadow: 0 18px 30px -18px rgba(17, 17, 17, 0.25);
  }
  .site-nav.open { display: flex; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav ul a {
    display: block;
    padding: 0.85rem 0.2rem;
    border-bottom: 1px solid var(--ink-10);
  }
  .nav-cta { margin-top: 1rem; text-align: center; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .hero-ctas .btn { width: 100%; text-align: center; }
}

/* ---- reduced motion ---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hang { animation: none; }
  .ticker { overflow-x: auto; }
  .ticker-track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .tag-wall li { transition: none; }
}