/* STUDD AI Landing Site — Shared Styles
 * Brutalist trade-tool aesthetic. Heavy weights, tight tracking,
 * neon as structural color. Archivo + JetBrains Mono. Dark-only. */

:root {
  --neon: #CCF70A;
  --charcoal: #302E29;
  --cream: #FAF7F2;
  --amber: #FFB300;
  --ink-900: #1A1916;
  --ink-700: #302E29;
  --ink-600: #4A4842;
  --ink-400: #908C81;
  --ink-300: #B8B4A8;

  --bg: var(--ink-900);
  --card: var(--ink-700);
  --border: rgba(250,247,242,0.12);
  --border-strong: rgba(250,247,242,0.22);
  --text: var(--cream);
  --muted: rgba(250,247,242,0.7);
  --font: 'Archivo', 'Helvetica Neue', system-ui, sans-serif;
  --font-narrow: 'Archivo Narrow', 'Archivo', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "ss02";
}

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  text-wrap: balance;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- UTILITY ---- */
.container { max-width: none; margin: 0 auto; padding: 0 32px; }
.container--narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }

.label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--neon);
  color: var(--charcoal);
  padding: 14px 24px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(204,247,10,0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  padding: 14px 24px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-outline:hover {
  border-color: var(--neon);
  color: var(--neon);
}

/* ---- TICKER BAND ---- */
.ticker {
  background: var(--neon);
  color: var(--charcoal);
  padding: 8px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  font-weight: 600;
  gap: 16px;
}
.ticker .ticker-mid {
  flex: 1;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.site-header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  max-width: none;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-logo .brand-dog {
  width: 36px;
  height: 36px;
  display: block;
}
.site-logo span {
  font-family: var(--font);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--cream);
}
.site-logo .dot-ai { color: var(--neon); }
.site-logo .logo-tm,
.brand-mark .logo-tm {
  font-size: 0.45em;
  font-weight: 700;
  margin-left: 2px;
  vertical-align: super;
  letter-spacing: 0;
  /* inherit color: cream in nav (over cream STUDD), neon in footer (over neon STUDD) */
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  color: rgba(250,247,242,0.75);
  transition: color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--cream); }

.nav-cta {
  background: var(--neon);
  color: var(--charcoal);
  padding: 8px 16px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--neon);
  border-radius: 6px;
  transition: all 0.15s;
}
.nav-cta:hover {
  background: transparent;
  color: var(--neon);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .ticker { font-size: 9px; padding: 6px 16px; }
  .ticker .ticker-mid { display: none; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 16px;
  }
}

/* ---- FOOTER ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
}
.footer-brand .brand-mark {
  font-family: var(--font);
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: 28px;
  color: var(--neon);
}
.footer-brand .tagline {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 12px;
  letter-spacing: 0.10em;
}
.footer-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.10em;
  text-align: right;
  line-height: 1.7;
}
.footer-meta a {
  color: var(--muted);
  transition: color 0.15s;
}
.footer-meta a:hover { color: var(--cream); }
.footer-policies {
  margin-top: 8px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
.footer-policies .dot { color: var(--border-strong); }

@media (max-width: 768px) {
  .footer-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-meta { text-align: left; }
  .footer-policies { justify-content: flex-start; }
}

/* ---- SECTIONS ---- */
.section { padding: 128px 0; }
.section--alt { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-header { max-width: 960px; margin-bottom: 72px; }
.section-header h2 {
  margin-top: 16px;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

/* ---- GRID CARDS ---- */
.card-grid { display: grid; gap: 1px; background: var(--border); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--bg);
  padding: 40px;
  border-radius: 6px;
  transition: background 0.15s;
}
.card:hover { background: var(--card); }
.card h3 {
  margin-top: 20px;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.card p {
  margin-top: 16px;
  color: var(--muted);
  line-height: 1.7;
}
.card-bar {
  margin-top: 32px;
  height: 2px;
  width: 32px;
  background: var(--neon);
  transition: width 0.4s;
}
.card:hover .card-bar { width: 80px; }

@media (max-width: 768px) {
  .card-grid--3 { grid-template-columns: 1fr; }
}

/* ---- TIMELINE / ON-RAMP ---- */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.timeline-step .step-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}
.timeline-step h3 {
  margin-top: 16px;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.timeline-step p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .timeline { grid-template-columns: 1fr; }
}

/* ---- BLOCKQUOTE ---- */
.objection-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: start;
}
.objection-grid blockquote {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.objection-grid blockquote .highlight { color: var(--neon); }
.objection-response { padding-top: 8px; }
.objection-response p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.objection-response p.strong { color: var(--text); }

@media (max-width: 768px) {
  .objection-grid { grid-template-columns: 1fr; }
}

/* ---- FAQ ---- */
.faq-list { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.faq-item {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-item dt { font-size: 18px; font-weight: 800; letter-spacing: -0.01em; }
.faq-item dd { color: var(--muted); line-height: 1.7; }

@media (max-width: 768px) {
  .faq-item { grid-template-columns: 1fr; gap: 12px; }
}

/* ---- TRADE GRID ---- */
.trade-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.trade-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
  background: rgba(36,34,32,0.3);
  padding: 16px 20px;
  transition: all 0.15s;
}
.trade-card:hover {
  border-color: var(--neon);
  background: var(--card);
}
.trade-card span:first-child { font-weight: 500; }
.trade-card .trade-tag {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  transition: color 0.15s;
}
.trade-card:hover .trade-tag { color: var(--neon); }

.trade-card--soon {
  opacity: 0.4;
  cursor: default;
}
.trade-card--soon:hover {
  border-color: var(--border);
  background: rgba(36,34,32,0.3);
}
.trade-card--soon:hover .trade-tag { color: var(--muted); }

@media (max-width: 768px) {
  .trade-grid { grid-template-columns: 1fr 1fr; }
}

/* ---- HERO ---- */
.hero {
  padding: 64px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero-content {
  padding: 0 32px;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 32px;
}
.hero-rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero-rail .vertical {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--neon);
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  align-self: flex-start;
}
.hero-tag { display: flex; align-items: center; gap: 8px; }
.hero-tag .pulse {
  width: 6px; height: 6px;
  background: var(--neon);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero h1 {
  margin-top: 24px;
  font-size: clamp(64px, 14vw, 196px);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.055em;
}
.hero h1 .neon { color: var(--neon); }
.hero .hero-sub {
  margin-top: 28px;
  max-width: 640px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
}
.hero-ctas {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.hero-bullets {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 720px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.hero-bullets p { display: flex; gap: 10px; }
.hero-bullets .bullet { color: var(--neon); }

@media (max-width: 768px) {
  .hero { padding: 40px 0 64px; }
  .hero-content { grid-template-columns: 1fr; padding: 0 16px; }
  .hero-rail { display: none; }
  .hero-bullets { grid-template-columns: 1fr; }
}

/* ---- PILLAR ROW (What STUDD Does) ---- */
.pillar-section { padding: 96px 32px; }
.pillar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 64px;
  gap: 24px;
}
.pillar-head h2 {
  font-size: 24px;
  font-weight: 800;
}
.pillar-head .section-glyph { color: var(--neon); }
.pillar-head .kicker {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.18em;
}
.pillar-row {
  border-top: 1px solid var(--border);
}
.pillar-row .pillar-grid {
  display: grid;
  grid-template-columns: 80px 1fr 320px;
  gap: 32px;
  padding: 64px 0;
  align-items: center;
}
.pillar-row .num {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--neon);
  letter-spacing: 0.10em;
  font-weight: 600;
}
.pillar-row h3 {
  font-size: clamp(44px, 7vw, 96px);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.95;
}
.pillar-row .tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.16em;
}
.pillar-foot { border-top: 1px solid var(--border); }

@media (max-width: 768px) {
  .pillar-section { padding: 64px 16px; }
  .pillar-row .pillar-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 32px 0;
  }
  .pillar-row .num { font-size: 12px; }
  .pillar-row h3 { font-size: 44px; }
}

/* ---- VIDEO EMBED ---- */
.video-section { padding: 0 0 96px; }
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  border: 1px solid rgba(204,247,10,0.15);
  box-shadow: 0 0 40px rgba(204,247,10,0.08), 0 0 80px rgba(204,247,10,0.04);
}
.video-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* ---- CTA SECTION ---- */
.cta-section {
  padding: 112px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section h2 {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
}
.cta-section h2 .neon { color: var(--neon); }
.cta-section p {
  margin: 24px auto 0;
  max-width: 520px;
  font-size: 18px;
  color: var(--muted);
}
.cta-buttons {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ---- FOUNDER NOTE ---- */
.founder-note {
  font-size: 20px;
  line-height: 1.6;
  color: rgba(232,230,225,0.85);
}
.founder-note p { margin-bottom: 24px; }
.founder-note .neon { color: var(--neon); }
.founder-row {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.founder-sig {
  display: flex;
  align-items: center;
  gap: 16px;
}
.founder-sig .sig-mark {
  width: 48px;
  height: 48px;
  display: block;
}
.founder-sig .sig-name {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.founder-sig .sig-location {
  font-size: 14px;
  color: var(--muted);
}

/* ---- CONTACT FORM ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 48px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--neon);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted);
}

.sidebar-card {
  border: 1px solid var(--border);
  background: rgba(36,34,32,0.5);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-card ol {
  margin-top: 16px;
  list-style: none;
  counter-reset: steps;
}
.sidebar-card li {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
  display: flex;
  gap: 8px;
}
.sidebar-card .step-num {
  color: var(--neon);
  font-family: var(--mono);
  font-size: 12px;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  padding: 64px 0 96px;
  position: relative;
  overflow: hidden;
}
.page-hero h1 {
  margin-top: 24px;
  font-size: clamp(56px, 11vw, 160px);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.045em;
}
.page-hero h1 .neon { color: var(--neon); }
.page-hero-tagline {
  margin-top: 28px;
  max-width: 800px;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--cream);
  letter-spacing: -0.01em;
}
.page-hero .hero-sub {
  margin-top: 28px;
  max-width: 640px;
  font-size: 18px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- ARTICLE CONTENT ---- */
.article-content {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(232,230,225,0.85);
}
.article-content p { margin-bottom: 28px; }
.article-content h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 48px 0 20px;
}
.article-content em { font-style: italic; }
.article-content .neon { color: var(--neon); }

/* ---- PRICING ---- */
.pricing { padding: 0 0 120px; }
.pricing-inner {
  border-top: 1px solid var(--border);
  padding-top: 64px;
}
.pricing-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 24px;
  flex-wrap: wrap;
}
.pricing-head h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.pricing-head .section-glyph { color: var(--neon); }
.pricing-head .kicker {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.price-col {
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.price-col.founder {
  background: var(--neon);
  color: var(--charcoal);
  border-right: 1px solid var(--border);
}
.price-col.standard {
  background: var(--bg);
  color: var(--cream);
}
.price-head-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.price-tier-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 700;
}
.price-tier-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}
.price-col.standard .price-tier-label,
.price-col.standard .price-tier-meta { color: var(--muted); }
.price-numeric {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.price-numeric .amount {
  font-size: 144px;
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.9;
}
.price-numeric .per {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.10em;
}
.price-col.standard .price-numeric .per { color: var(--muted); }
.price-loyalty {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.10em;
  font-weight: 600;
}
.price-col.standard .price-loyalty { color: var(--muted); }
.price-cta {
  align-self: flex-start;
  padding: 14px 22px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s;
}
.price-col.founder .price-cta {
  background: var(--charcoal);
  color: var(--cream);
}
.price-col.founder .price-cta:hover { background: var(--ink-900); }
.price-col.standard .price-cta {
  background: var(--neon);
  color: var(--charcoal);
}
.price-col.standard .price-cta:hover { background: #B8E209; }

.pricing-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: 0 0 6px 6px;
  margin-top: -1px;
}
.pricing-features .feature {
  padding: 20px 24px;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.10em;
  color: var(--muted);
  text-transform: uppercase;
}
.pricing-features .feature:last-child { border-right: none; }
.pricing-features .plus {
  color: var(--neon);
  font-weight: 800;
  font-size: 18px;
}

@media (max-width: 768px) {
  .pricing { padding: 0 0 64px; }
  .pricing-head { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 24px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-col { padding: 32px; }
  .price-numeric .amount { font-size: 96px; }
  .pricing-features { grid-template-columns: repeat(2, 1fr); }
  .pricing-features .feature:nth-child(2n) { border-right: none; }
  .pricing-features .feature:nth-last-child(-n+2) { border-bottom: none; }
}